Compare commits

...

20 Commits

Author SHA1 Message Date
RoyUP9
824945141a fixed config parsing of int and uint (#172) 2021-08-05 21:45:18 +03:00
Igor Gov
0244f12167 Fixes (#171) 2021-08-05 19:29:06 +03:00
RoyUP9
60533a9591 added allowed set flag (#169) 2021-08-05 14:23:16 +03:00
Igor Gov
90f0f603c7 Support getting logs in ns restricted mode (#168) 2021-08-05 12:12:01 +03:00
RoyUP9
683d199774 added support of multiple namespaces (#167) 2021-08-05 11:19:29 +03:00
Igor Gov
fa632b49a7 Introducing mizu logs dump & Log prints alignment in API server using rlog (#165) 2021-08-05 11:01:08 +03:00
Nimrod Gilboa Markevich
04579eb03c Namespace restricted mode (#147) 2021-08-05 10:28:31 +03:00
Selton Fiuza
dea223bfe1 Feature/tra 3349 validation rules merged with develop (#148)
* Implemented validation rules, based on: https://up9.atlassian.net/browse/TRA-3349

* Color on Entry based on rules

* Background red/green based on rules

* Change flag --validation-rules to --test-rules

* rules tab UI updated

* rules tab font and background-color is changed for objects

* Merged with develop

* Fixed compilation issues.

* Renamed fullEntry -> harEntry where appropriate.

* Change green/red logic

* Update models.go

* Fix latency bug and alignment

* Merge Conflicts fix

* Working after merge

* Working on Nimrod comments

* Resolving conflicts

* Resolving conflicts

* Resolving conflicts

* Nimrod Comments pt.3

* Log Error on configmap creation if the user doesn't have permission.

* Checking configmap permission to ignore --test-rules

* Revert time for mizu to get ready

* Nimrod comments pt 4 && merge develop pt3

* Nimrod comments pt 4 && merge develop pt3

* Const rulePolicyPath and filename

Co-authored-by: Neim <elezin9@gmail.com>
Co-authored-by: nimrod-up9 <nimrod@up9.com>
2021-08-04 09:21:36 -03:00
gadotroee
06c8056443 Tapper stats in stats tracker (#166) 2021-08-04 12:51:51 +03:00
Igor Gov
d18f1f8316 Tapped pods report via endpoint instead of web socket (#164) 2021-08-04 10:41:33 +03:00
Igor Gov
f9202900ee No warning when mizu rbac exists (#163) 2021-08-04 08:41:00 +03:00
Igor Gov
9e34662511 Adding logs and fixing several issues (#162)
* Config grooming and several general fixes
2021-08-04 08:18:07 +03:00
gadotroee
1e726e381b Add option to memory profiling and limit page cache (#158) 2021-08-03 17:30:13 +03:00
RoyUP9
69a9deab4b Feature/tra 3474 config refactor (#155) 2021-08-03 17:23:52 +03:00
RamiBerm
f9396e01ca TRA-3415 ignore unready pods (#160)
* Update tapRunner.go and provider.go

* Update tapRunner.go

* Update tapRunner.go

* Update tapRunner.go

* Update tapRunner.go and provider.go

Co-authored-by: RamiBerm <rami.berman@up9.com>
2021-08-03 15:02:31 +03:00
Nimrod Gilboa Markevich
2d5b170406 Added a default SEM_VER (#159)
* Set default SEM_VER to 0.0.0.

* Build docker with both latest and semver tags.

* Use docker tag instead of building twice.

* Build and tag in one command.
2021-08-03 14:35:02 +03:00
Nimrod Gilboa Markevich
dc59fb6931 Added/edited description to Makefile commands. (#157)
* Added missing description to Makefile commands.

* Uppercase.
2021-08-03 11:41:02 +03:00
Igor Gov
793bb97e51 Print Mizu URL only after the watched pods (#156)
* Print Mizu URL after the watched pods
2021-08-03 08:54:10 +03:00
RamiBerm
ceb8d714e3 TRA-3420 inform user of tls traffic (#149)
* Update passive_tapper.go and tls_utils.go

* Update go.mod, go.sum, and 18 more files...

* go fmt

* Update http_reader.go, passive_tapper.go, and 3 more files...

* Update status_controller.go and status_provider.go

Co-authored-by: RamiBerm <rami.berman@up9.com>
2021-08-01 14:57:43 +03:00
gadotroee
8d8310ee02 Revert "feature/TRA_3427_demo_mode (#150)" (#151)
This reverts commit 71eff5ea04.
2021-07-29 21:06:41 +03:00
87 changed files with 25767 additions and 1353 deletions

View File

@@ -19,34 +19,30 @@ help: ## This help.
TS_SUFFIX="$(shell date '+%s')"
GIT_BRANCH="$(shell git branch | grep \* | cut -d ' ' -f2 | tr '[:upper:]' '[:lower:]' | tr '/' '_')"
BUCKET_PATH=static.up9.io/mizu/$(GIT_BRANCH)
export SEM_VER?=0.0.0
ui: ## build UI
ui: ## Build UI.
@(cd ui; npm i ; npm run build; )
@ls -l ui/build
cli: # build CLI
cli: ## Build CLI.
@echo "building cli"; cd cli && $(MAKE) build
agent: ## build mizuagent server
agent: ## Build agent.
@(echo "building mizu agent .." )
@(cd agent; go build -o build/mizuagent main.go)
@ls -l agent/build
#tap: ## build tap binary
# @(cd tap; go build -o build/tap ./src)
# @ls -l tap/build
docker: ## Build and publish agent docker image.
$(MAKE) push-docker
docker: ## build Docker image
@(echo "building docker image" )
./build-push-featurebranch.sh
push: push-docker push-cli ## Build and publish agent docker image & CLI.
push: push-docker push-cli ## build and publish Mizu docker image & CLI
push-docker:
push-docker: ## Build and publish agent docker image.
@echo "publishing Docker image .. "
./build-push-featurebranch.sh
push-cli:
push-cli: ## Build and publish CLI.
@echo "publishing CLI .. "
@cd cli; $(MAKE) build-all
@echo "publishing file ${OUTPUT_FILE} .."
@@ -55,17 +51,17 @@ push-cli:
gsutil setmeta -r -h "Cache-Control:public, max-age=30" gs://${BUCKET_PATH}/\*
clean: clean-ui clean-agent clean-cli clean-docker ## Clean all build artifacts
clean: clean-ui clean-agent clean-cli clean-docker ## Clean all build artifacts.
clean-ui:
clean-ui: ## Clean UI.
@(rm -rf ui/build ; echo "UI cleanup done" )
clean-agent:
clean-agent: ## Clean agent.
@(rm -rf agent/build ; echo "agent cleanup done" )
clean-cli:
clean-cli: ## Clean CLI.
@(cd cli; make clean ; echo "CLI cleanup done" )
clean-docker:
clean-docker:
@(echo "DOCKER cleanup - NOT IMPLEMENTED YET " )

205
README.md
View File

@@ -50,12 +50,14 @@ Pick one from the [Releases](https://github.com/up9inc/mizu/releases) page.
- list
- watch
- create
- delete
- apiGroups:
- ""
resources:
- services
verbs:
- create
- delete
- apiGroups:
- apps
resources:
@@ -63,11 +65,13 @@ Pick one from the [Releases](https://github.com/up9inc/mizu/releases) page.
verbs:
- create
- patch
- delete
- apiGroups:
- ""
resources:
- namespaces
verbs:
- get
- list
- watch
- create
@@ -79,7 +83,8 @@ Pick one from the [Releases](https://github.com/up9inc/mizu/releases) page.
verbs:
- get
```
3. Optionally, for resolving traffic ip to kubernetes service name, mizu needs below permissions
3. Optionally, for resolving traffic IP to kubernetes service name, mizu needs below permissions
```yaml
- apiGroups:
@@ -88,6 +93,10 @@ Pick one from the [Releases](https://github.com/up9inc/mizu/releases) page.
- pods
verbs:
- get
- list
- watch
- create
- delete
- apiGroups:
- ""
resources:
@@ -96,6 +105,72 @@ Pick one from the [Releases](https://github.com/up9inc/mizu/releases) page.
- get
- list
- watch
- create
- delete
- apiGroups:
- apps
resources:
- daemonsets
verbs:
- create
- patch
- delete
- apiGroups:
- ""
resources:
- namespaces
verbs:
- get
- list
- watch
- create
- delete
- apiGroups:
- ""
resources:
- services/proxy
verbs:
- get
- apiGroups:
- ""
resources:
- serviceaccounts
verbs:
- get
- create
- delete
- apiGroups:
- rbac.authorization.k8s.io
resources:
- clusterroles
verbs:
- get
- create
- delete
- apiGroups:
- rbac.authorization.k8s.io
resources:
- clusterrolebindings
verbs:
- get
- create
- delete
- apiGroups:
- rbac.authorization.k8s.io
resources:
- roles
verbs:
- get
- create
- delete
- apiGroups:
- rbac.authorization.k8s.io
resources:
- rolebindings
verbs:
- get
- create
- delete
- apiGroups:
- apps
- extensions
@@ -124,6 +199,97 @@ Pick one from the [Releases](https://github.com/up9inc/mizu/releases) page.
- get
- list
- watch
```
4. Optionally, in order to use the policy rules validation feature, mizu requires the following additional permissions:
```yaml
- apiGroups:
- ""
resources:
- configmaps
verbs:
- get
- create
- delete
```
5. Alternatively, in order to restrict mizu to one namespace only (by setting `agent.namespace` in the config file), mizu needs the following permissions in that namespace:
```yaml
- apiGroups:
- ""
resources:
- pods
verbs:
- get
- list
- watch
- create
- delete
- apiGroups:
- ""
resources:
- services
verbs:
- get
- create
- delete
- apiGroups:
- apps
resources:
- daemonsets
verbs:
- get
- create
- patch
- delete
- apiGroups:
- ""
resources:
- services/proxy
verbs:
- get
```
6. To restrict mizu to one namespace while also resolving IPs, mizu needs the following permissions in that namespace:
```yaml
- apiGroups:
- ""
resources:
- pods
verbs:
- get
- list
- watch
- create
- delete
- apiGroups:
- ""
resources:
- services
verbs:
- get
- list
- watch
- create
- delete
- apiGroups:
- apps
resources:
- daemonsets
verbs:
- get
- create
- patch
- delete
- apiGroups:
- ""
resources:
- services/proxy
verbs:
- get
- apiGroups:
- ""
resources:
@@ -131,22 +297,51 @@ Pick one from the [Releases](https://github.com/up9inc/mizu/releases) page.
verbs:
- get
- create
- delete
- apiGroups:
- rbac.authorization.k8s.io
resources:
- clusterroles
- roles
verbs:
- list
- get
- create
- delete
- apiGroups:
- rbac.authorization.k8s.io
resources:
- clusterrolebindings
- rolebindings
verbs:
- list
- get
- create
- delete
- apiGroups:
- apps
- extensions
resources:
- pods
verbs:
- get
- list
- watch
- apiGroups:
- apps
- extensions
resources:
- services
verbs:
- get
- list
- watch
- apiGroups:
- ""
- apps
- extensions
resources:
- endpoints
verbs:
- get
- list
- watch
```
See `examples/roles` for example `clusterroles`.

View File

@@ -13,9 +13,12 @@ require (
github.com/go-playground/validator/v10 v10.5.0
github.com/google/martian v2.1.0+incompatible
github.com/gorilla/websocket v1.4.2
github.com/orcaman/concurrent-map v0.0.0-20210106121528-16402b402231
github.com/patrickmn/go-cache v2.1.0+incompatible
github.com/romana/rlog v0.0.0-20171115192701-f018bc92e7d7
github.com/up9inc/mizu/shared v0.0.0
github.com/up9inc/mizu/tap v0.0.0
github.com/yalp/jsonpath v0.0.0-20180802001716-5cc68e5049a0
go.mongodb.org/mongo-driver v1.5.1
gorm.io/driver/sqlite v1.1.4
gorm.io/gorm v1.21.8

View File

@@ -45,6 +45,8 @@ github.com/asaskevich/govalidator v0.0.0-20190424111038-f61b66f89f4a/go.mod h1:l
github.com/aws/aws-sdk-go v1.34.28/go.mod h1:H7NKnBqNVzoTJpGfLrQkkD+ytBA93eiDYi/+8rV9s48=
github.com/beevik/etree v1.1.0 h1:T0xke/WvNtMoCqgzPhkX2r4rjY3GDZFi+FjpRZY2Jbs=
github.com/beevik/etree v1.1.0/go.mod h1:r8Aw8JqVegEf0w2fDnATrX9VpkMcyFeM0FhwO62wh+A=
github.com/bradleyfalzon/tlsx v0.0.0-20170624122154-28fd0e59bac4 h1:NJOOlc6ZJjix0A1rAU+nxruZtR8KboG1848yqpIUo4M=
github.com/bradleyfalzon/tlsx v0.0.0-20170624122154-28fd0e59bac4/go.mod h1:DQPxZS994Ld1Y8uwnJT+dRL04XPD0cElP/pHH/zEBHM=
github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI=
github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e/go.mod h1:nSuG5e5PlCu98SY8svDHJxuZscDgtXS6KTTbou5AhLI=
@@ -245,6 +247,8 @@ github.com/onsi/gomega v0.0.0-20170829124025-dcabb60a477c/go.mod h1:C1qb7wdrVGGV
github.com/onsi/gomega v1.7.0/go.mod h1:ex+gbHU/CVuBBDIJjb2X0qEXbFg53c61hWP/1CpauHY=
github.com/orcaman/concurrent-map v0.0.0-20210106121528-16402b402231 h1:fa50YL1pzKW+1SsBnJDOHppJN9stOEwS+CRWyUtyYGU=
github.com/orcaman/concurrent-map v0.0.0-20210106121528-16402b402231/go.mod h1:Lu3tH6HLW3feq74c2GC+jIMS/K2CFcDWnWD9XkenwhI=
github.com/patrickmn/go-cache v2.1.0+incompatible h1:HRMgzkcYKYpi3C8ajMPV8OFXaaRUnok+kx1WdO15EQc=
github.com/patrickmn/go-cache v2.1.0+incompatible/go.mod h1:3Qf8kWWT7OJRJbdiICTKqZju1ZixQ/KpMGzzAfe6+WQ=
github.com/pelletier/go-toml v1.7.0/go.mod h1:vwGMzjaWMwyfHwgIBhI2YUM4fB6nL6lVAvS1LBMMhTE=
github.com/peterbourgon/diskv v2.0.1+incompatible/go.mod h1:uqqh8zWWbv1HBMNONnaR/tNboyR3/BZd58JJSHlUSCU=
github.com/pkg/errors v0.8.0/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
@@ -283,6 +287,8 @@ github.com/ugorji/go/codec v1.1.7/go.mod h1:Ax+UKWsSmolVDwsd+7N3ZtXu+yMGCf907BLY
github.com/xdg-go/pbkdf2 v1.0.0/go.mod h1:jrpuAogTd400dnrH08LKmI/xc1MbPOebTwRqcT5RDeI=
github.com/xdg-go/scram v1.0.2/go.mod h1:1WAq6h33pAW+iRreB34OORO2Nf7qel3VV3fjBj+hCSs=
github.com/xdg-go/stringprep v1.0.2/go.mod h1:8F9zXuvzgwmyT5DUm4GUfZGDdT3W+LCvS6+da4O5kxM=
github.com/yalp/jsonpath v0.0.0-20180802001716-5cc68e5049a0 h1:6fRhSjgLCkTD3JnJxvaJ4Sj+TYblw757bqYgZaOq5ZY=
github.com/yalp/jsonpath v0.0.0-20180802001716-5cc68e5049a0/go.mod h1:/LWChgwKmvncFJFHJ7Gvn9wZArjbV5/FppcK2fKk/tI=
github.com/youmark/pkcs8 v0.0.0-20181117223130-1be2e3e5546d/go.mod h1:rHwXgn7JulP+udvsHwJoVG1YGAP6VLg4y9I5dyZdqmA=
github.com/yuin/goldmark v1.1.27/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=

View File

@@ -4,6 +4,12 @@ import (
"encoding/json"
"flag"
"fmt"
"github.com/gin-contrib/static"
"github.com/gin-gonic/gin"
"github.com/gorilla/websocket"
"github.com/romana/rlog"
"github.com/up9inc/mizu/shared"
"github.com/up9inc/mizu/tap"
"mizuserver/pkg/api"
"mizuserver/pkg/models"
"mizuserver/pkg/routes"
@@ -13,39 +19,35 @@ import (
"os"
"os/signal"
"strings"
"github.com/gin-contrib/static"
"github.com/gin-gonic/gin"
"github.com/gorilla/websocket"
"github.com/romana/rlog"
"github.com/up9inc/mizu/shared"
"github.com/up9inc/mizu/tap"
)
var shouldTap = flag.Bool("tap", false, "Run in tapper mode without API")
var demo = flag.Bool("demo", false, "Run in Demo mode with API")
var apiServer = flag.Bool("api-server", false, "Run in API server mode with API")
var standalone = flag.Bool("standalone", false, "Run in standalone tapper and API mode")
var tapperMode = flag.Bool("tap", false, "Run in tapper mode without API")
var apiServerMode = flag.Bool("api-server", false, "Run in API server mode with API")
var standaloneMode = flag.Bool("standalone", false, "Run in standalone tapper and API mode")
var apiServerAddress = flag.String("api-server-address", "", "Address of mizu API server")
var namespace = flag.String("namespace", "", "Resolve IPs if they belong to resources in this namespace (default is all)")
func main() {
flag.Parse()
hostMode := os.Getenv(shared.HostModeEnvVar) == "1"
tapOpts := &tap.TapOpts{HostMode: hostMode}
if !*shouldTap && !*apiServer && !*standalone {
if !*tapperMode && !*apiServerMode && !*standaloneMode {
panic("One of the flags --tap, --api or --standalone must be provided")
}
if *standalone {
if *standaloneMode {
api.StartResolving(*namespace)
harOutputChannel, outboundLinkOutputChannel := tap.StartPassiveTapper(tapOpts)
filteredHarChannel := make(chan *tap.OutputChannelItem)
go filterHarItems(harOutputChannel, filteredHarChannel, getTrafficFilteringOptions())
go api.StartReadingEntries(filteredHarChannel, nil, false)
go api.StartReadingEntries(filteredHarChannel, nil)
go api.StartReadingOutbound(outboundLinkOutputChannel)
hostApi(nil)
} else if *shouldTap {
} else if *tapperMode {
if *apiServerAddress == "" {
panic("API server address must be provided with --api-server-address when using --tap")
}
@@ -63,19 +65,16 @@ func main() {
panic(fmt.Sprintf("Error connecting to socket server at %s %v", *apiServerAddress, err))
}
go pipeChannelToSocket(socketConnection, harOutputChannel)
go api.StartReadingOutbound(outboundLinkOutputChannel)
} else if *apiServer {
go pipeTapChannelToSocket(socketConnection, harOutputChannel)
go pipeOutboundLinksChannelToSocket(socketConnection, outboundLinkOutputChannel)
} else if *apiServerMode {
api.StartResolving(*namespace)
socketHarOutChannel := make(chan *tap.OutputChannelItem, 1000)
filteredHarChannel := make(chan *tap.OutputChannelItem)
go filterHarItems(socketHarOutChannel, filteredHarChannel, getTrafficFilteringOptions())
if *demo {
workdir := "./hars"
go api.StartReadingEntries(filteredHarChannel, &workdir, true)
} else {
go api.StartReadingEntries(filteredHarChannel, nil, false)
}
go api.StartReadingEntries(filteredHarChannel, nil)
hostApi(socketHarOutChannel)
}
@@ -91,7 +90,7 @@ func hostApi(socketHarOutputChannel chan<- *tap.OutputChannelItem) {
app := gin.Default()
app.GET("/echo", func(c *gin.Context) {
c.String(http.StatusOK, "Hello, World 👋!")
c.String(http.StatusOK, "Here is Mizu agent")
})
eventHandlers := api.RoutesEventHandlers{
@@ -101,9 +100,10 @@ func hostApi(socketHarOutputChannel chan<- *tap.OutputChannelItem) {
app.Use(static.ServeRoot("/", "./site"))
app.Use(CORSMiddleware()) // This has to be called after the static middleware, does not work if its called before
routes.WebSocketRoutes(app, &eventHandlers)
api.WebSocketRoutes(app, &eventHandlers)
routes.EntriesRoutes(app)
routes.MetadataRoutes(app)
routes.StatusRoutes(app)
routes.NotFoundRoute(app)
utils.StartServer(app)
@@ -183,7 +183,7 @@ func isHealthCheckByUserAgent(message *tap.OutputChannelItem) bool {
return false
}
func pipeChannelToSocket(connection *websocket.Conn, messageDataChannel <-chan *tap.OutputChannelItem) {
func pipeTapChannelToSocket(connection *websocket.Conn, messageDataChannel <-chan *tap.OutputChannelItem) {
if connection == nil {
panic("Websocket connection is nil")
}
@@ -206,3 +206,21 @@ func pipeChannelToSocket(connection *websocket.Conn, messageDataChannel <-chan *
}
}
}
func pipeOutboundLinksChannelToSocket(connection *websocket.Conn, outboundLinkChannel <-chan *tap.OutboundLink) {
for outboundLink := range outboundLinkChannel {
if outboundLink.SuggestedProtocol == tap.TLSProtocol {
marshaledData, err := models.CreateWebsocketOutboundLinkMessage(outboundLink)
if err != nil {
rlog.Infof("Error converting outbound link to json %s, (%v,%+v)", err, err, err)
continue
}
err = connection.WriteMessage(websocket.TextMessage, marshaledData)
if err != nil {
rlog.Infof("error sending outbound link message through socket server %s, (%v,%+v)", err, err, err)
continue
}
}
}
}

View File

@@ -5,7 +5,6 @@ import (
"context"
"encoding/json"
"fmt"
"math/rand"
"mizuserver/pkg/holder"
"net/url"
"os"
@@ -27,9 +26,9 @@ import (
var k8sResolver *resolver.Resolver
func init() {
func StartResolving(namespace string) {
errOut := make(chan error, 100)
res, err := resolver.NewFromInCluster(errOut)
res, err := resolver.NewFromInCluster(errOut, namespace)
if err != nil {
rlog.Infof("error creating k8s resolver %s", err)
return
@@ -49,15 +48,15 @@ func init() {
holder.SetResolver(res)
}
func StartReadingEntries(harChannel <-chan *tap.OutputChannelItem, workingDir *string, demo bool) {
func StartReadingEntries(harChannel <-chan *tap.OutputChannelItem, workingDir *string) {
if workingDir != nil && *workingDir != "" {
startReadingFiles(*workingDir, demo)
startReadingFiles(*workingDir)
} else {
startReadingChannel(harChannel)
}
}
func startReadingFiles(workingDir string, infiniteLoad bool) {
func startReadingFiles(workingDir string) {
err := os.MkdirAll(workingDir, os.ModePerm)
utils.CheckErr(err)
@@ -88,10 +87,7 @@ func startReadingFiles(workingDir string, infiniteLoad bool) {
utils.CheckErr(decErr)
for _, entry := range inputHar.Log.Entries {
if infiniteLoad {
entry.StartedDateTime = time.Now().Add(20 * time.Millisecond)
}
time.Sleep(time.Millisecond * time.Duration(rand.Intn(300)))
time.Sleep(time.Millisecond * 250)
connectionInfo := &tap.ConnectionInfo{
ClientIP: fileInfo.Name(),
ClientPort: "",
@@ -101,10 +97,8 @@ func startReadingFiles(workingDir string, infiniteLoad bool) {
}
saveHarToDb(entry, connectionInfo)
}
if !infiniteLoad {
rmErr := os.Remove(inputFilePath)
utils.CheckErr(rmErr)
}
rmErr := os.Remove(inputFilePath)
utils.CheckErr(rmErr)
}
}
@@ -173,8 +167,10 @@ func saveHarToDb(entry *har.Entry, connectionInfo *tap.ConnectionInfo) {
if err := models.GetEntry(&mizuEntry, &baseEntry); err != nil {
return
}
baseEntry.Rules = models.RunValidationRulesState(*entry, serviceName)
baseEntry.Latency = entry.Timings.Receive
baseEntryBytes, _ := models.CreateBaseEntryWebSocketMessage(&baseEntry)
broadcastToBrowserClients(baseEntryBytes)
BroadcastToBrowserClients(baseEntryBytes)
}
func getServiceNameFromUrl(inputUrl string) (string, string) {

View File

@@ -1,10 +1,10 @@
package routes
package api
import (
"errors"
"fmt"
"github.com/gin-gonic/gin"
"github.com/gorilla/websocket"
"github.com/romana/rlog"
"github.com/up9inc/mizu/shared/debounce"
"net/http"
"sync"
@@ -18,10 +18,10 @@ type EventHandlers interface {
}
type SocketConnection struct {
connection *websocket.Conn
lock *sync.Mutex
connection *websocket.Conn
lock *sync.Mutex
eventHandlers EventHandlers
isTapper bool
isTapper bool
}
var websocketUpgrader = websocket.Upgrader{
@@ -50,7 +50,7 @@ func WebSocketRoutes(app *gin.Engine, eventHandlers EventHandlers) {
func websocketHandler(w http.ResponseWriter, r *http.Request, eventHandlers EventHandlers, isTapper bool) {
conn, err := websocketUpgrader.Upgrade(w, r, nil)
if err != nil {
fmt.Println("Failed to set websocket upgrade: %+v", err)
rlog.Errorf("Failed to set websocket upgrade: %v", err)
return
}
@@ -71,7 +71,7 @@ func websocketHandler(w http.ResponseWriter, r *http.Request, eventHandlers Even
for {
_, msg, err := conn.ReadMessage()
if err != nil {
fmt.Printf("Conn err: %v\n", err)
rlog.Errorf("Error reading message, socket id: %d, error: %v", socketId, err)
break
}
eventHandlers.WebSocketMessage(socketId, msg)
@@ -81,7 +81,7 @@ func websocketHandler(w http.ResponseWriter, r *http.Request, eventHandlers Even
func socketCleanup(socketId int, socketConnection *SocketConnection) {
err := socketConnection.connection.Close()
if err != nil {
fmt.Printf("Error closing socket connection for socket id %d: %v\n", socketId, err)
rlog.Errorf("Error closing socket connection for socket id %d: %v\n", socketId, err)
}
websocketIdsLock.Lock()
@@ -91,8 +91,8 @@ func socketCleanup(socketId int, socketConnection *SocketConnection) {
socketConnection.eventHandlers.WebSocketDisconnect(socketId, socketConnection.isTapper)
}
var db = debounce.NewDebouncer(time.Second * 5, func() {
fmt.Println("Successfully sent to socket")
var db = debounce.NewDebouncer(time.Second*5, func() {
rlog.Error("Successfully sent to socket")
})
func SendToSocket(socketId int, message []byte) error {
@@ -102,9 +102,9 @@ func SendToSocket(socketId int, message []byte) error {
}
var sent = false
time.AfterFunc(time.Second * 5, func() {
time.AfterFunc(time.Second*5, func() {
if !sent {
fmt.Println("Socket timed out")
rlog.Error("Socket timed out")
socketCleanup(socketId, socketObj)
}
})

View File

@@ -3,26 +3,26 @@ package api
import (
"encoding/json"
"fmt"
"mizuserver/pkg/models"
"mizuserver/pkg/providers"
"mizuserver/pkg/up9"
"sync"
"github.com/romana/rlog"
"github.com/up9inc/mizu/shared"
"github.com/up9inc/mizu/tap"
"mizuserver/pkg/controllers"
"mizuserver/pkg/models"
"mizuserver/pkg/routes"
"mizuserver/pkg/up9"
"sync"
)
var browserClientSocketUUIDs = make([]int, 0)
var socketListLock = sync.Mutex{}
type RoutesEventHandlers struct {
routes.EventHandlers
EventHandlers
SocketHarOutChannel chan<- *tap.OutputChannelItem
}
func init() {
go up9.UpdateAnalyzeStatus(broadcastToBrowserClients)
go up9.UpdateAnalyzeStatus(BroadcastToBrowserClients)
}
func (h *RoutesEventHandlers) WebSocketConnect(socketId int, isTapper bool) {
@@ -47,15 +47,14 @@ func (h *RoutesEventHandlers) WebSocketDisconnect(socketId int, isTapper bool) {
}
}
func broadcastToBrowserClients(message []byte) {
func BroadcastToBrowserClients(message []byte) {
for _, socketId := range browserClientSocketUUIDs {
go func(socketId int) {
err := routes.SendToSocket(socketId, message)
err := SendToSocket(socketId, message)
if err != nil {
fmt.Printf("error sending message to socket ID %d: %v", socketId, err)
rlog.Errorf("error sending message to socket ID %d: %v", socketId, err)
}
}(socketId)
}
}
@@ -80,8 +79,16 @@ func (h *RoutesEventHandlers) WebSocketMessage(_ int, message []byte) {
if err != nil {
rlog.Infof("Could not unmarshal message of message type %s %v\n", socketMessageBase.MessageType, err)
} else {
controllers.TapStatus = statusMessage.TappingStatus
broadcastToBrowserClients(message)
providers.TapStatus.Pods = statusMessage.TappingStatus.Pods
BroadcastToBrowserClients(message)
}
case shared.WebsocketMessageTypeOutboundLink:
var outboundLinkMessage models.WebsocketOutboundLinkMessage
err := json.Unmarshal(message, &outboundLinkMessage)
if err != nil {
rlog.Infof("Could not unmarshal message of message type %s %v\n", socketMessageBase.MessageType, err)
} else {
handleTLSLink(outboundLinkMessage)
}
default:
rlog.Infof("Received socket message of type %s for which no handlers are defined", socketMessageBase.MessageType)
@@ -89,6 +96,29 @@ func (h *RoutesEventHandlers) WebSocketMessage(_ int, message []byte) {
}
}
func handleTLSLink(outboundLinkMessage models.WebsocketOutboundLinkMessage) {
resolvedName := k8sResolver.Resolve(outboundLinkMessage.Data.DstIP)
if resolvedName != "" {
outboundLinkMessage.Data.DstIP = resolvedName
} else if outboundLinkMessage.Data.SuggestedResolvedName != "" {
outboundLinkMessage.Data.DstIP = outboundLinkMessage.Data.SuggestedResolvedName
}
cacheKey := fmt.Sprintf("%s -> %s:%d", outboundLinkMessage.Data.Src, outboundLinkMessage.Data.DstIP, outboundLinkMessage.Data.DstPort)
_, isInCache := providers.RecentTLSLinks.Get(cacheKey)
if isInCache {
return
} else {
providers.RecentTLSLinks.SetDefault(cacheKey, outboundLinkMessage.Data)
}
marshaledMessage, err := json.Marshal(outboundLinkMessage)
if err != nil {
rlog.Errorf("Error marshaling outbound link message for broadcasting: %v", err)
} else {
rlog.Errorf("Broadcasting outboundlink message %s", string(marshaledMessage))
BroadcastToBrowserClients(marshaledMessage)
}
}
func removeSocketUUIDFromBrowserSlice(uuidToRemove int) {
newUUIDSlice := make([]int, 0, len(browserClientSocketUUIDs))
for _, uuid := range browserClientSocketUUIDs {

View File

@@ -3,17 +3,19 @@ package controllers
import (
"encoding/json"
"fmt"
"github.com/gin-gonic/gin"
"github.com/google/martian/har"
"github.com/romana/rlog"
"mizuserver/pkg/database"
"mizuserver/pkg/models"
"mizuserver/pkg/providers"
"mizuserver/pkg/up9"
"mizuserver/pkg/utils"
"mizuserver/pkg/validation"
"net/http"
"strings"
"time"
"github.com/gin-gonic/gin"
"github.com/google/martian/har"
"github.com/romana/rlog"
)
func GetEntries(c *gin.Context) {
@@ -217,7 +219,14 @@ func GetEntry(c *gin.Context) {
"msg": "Can't get entry details",
})
}
c.JSON(http.StatusOK, fullEntry)
fullEntryWithPolicy := models.FullEntryWithPolicy{}
if err := models.GetEntry(&entryData, &fullEntryWithPolicy); err != nil {
c.JSON(http.StatusInternalServerError, map[string]interface{}{
"error": true,
"msg": "Can't get entry details",
})
}
c.JSON(http.StatusOK, fullEntryWithPolicy)
}
func DeleteAllEntries(c *gin.Context) {
@@ -241,3 +250,15 @@ func GetGeneralStats(c *gin.Context) {
database.GetEntriesTable().Raw(sqlQuery).Scan(&result)
c.JSON(http.StatusOK, result)
}
func GetTappingStatus(c *gin.Context) {
c.JSON(http.StatusOK, providers.TapStatus)
}
func AnalyzeInformation(c *gin.Context) {
c.JSON(http.StatusOK, up9.GetAnalyzeInfo())
}
func GetRecentTLSLinks(c *gin.Context) {
c.JSON(http.StatusOK, providers.GetAllRecentTLSAddresses())
}

View File

@@ -1,18 +1,32 @@
package controllers
import (
"encoding/json"
"github.com/gin-gonic/gin"
"github.com/romana/rlog"
"github.com/up9inc/mizu/shared"
"mizuserver/pkg/up9"
"mizuserver/pkg/api"
"mizuserver/pkg/providers"
"mizuserver/pkg/validation"
"net/http"
)
var TapStatus shared.TapStatus
func GetTappingStatus(c *gin.Context) {
c.JSON(http.StatusOK, TapStatus)
}
func AnalyzeInformation(c *gin.Context) {
c.JSON(http.StatusOK, up9.GetAnalyzeInfo())
func PostTappedPods(c *gin.Context) {
tapStatus := &shared.TapStatus{}
if err := c.Bind(tapStatus); err != nil {
c.JSON(http.StatusBadRequest, err)
return
}
if err := validation.Validate(tapStatus); err != nil {
c.JSON(http.StatusBadRequest, err)
return
}
rlog.Infof("[Status] POST request: %d tapped pods", len(tapStatus.Pods))
providers.TapStatus.Pods = tapStatus.Pods
message := shared.CreateWebSocketStatusMessage(*tapStatus)
if jsonBytes, err := json.Marshal(message); err != nil {
rlog.Errorf("Could not Marshal message %v\n", err)
} else {
api.BroadcastToBrowserClients(jsonBytes)
}
}

View File

@@ -1,8 +1,8 @@
package database
import (
"fmt"
"github.com/fsnotify/fsnotify"
"github.com/romana/rlog"
"github.com/up9inc/mizu/shared"
"github.com/up9inc/mizu/shared/debounce"
"github.com/up9inc/mizu/shared/units"
@@ -47,7 +47,7 @@ func StartEnforcingDatabaseSize() {
if !ok {
return // closed channel
}
fmt.Printf("filesystem watcher encountered error:%v\n", err)
rlog.Errorf("filesystem watcher encountered error:%v", err)
}
}
}()
@@ -72,7 +72,7 @@ func getMaxEntriesDBByteSize() (int64, error) {
func checkFileSize(maxSizeBytes int64) {
fileStat, err := os.Stat(DBPath)
if err != nil {
fmt.Printf("Error checking %s file size: %v\n", DBPath, err)
rlog.Errorf("Error checking %s file size: %v", DBPath, err)
} else {
if fileStat.Size() > maxSizeBytes {
pruneOldEntries(fileStat.Size())
@@ -83,13 +83,13 @@ func checkFileSize(maxSizeBytes int64) {
func pruneOldEntries(currentFileSize int64) {
// sqlite locks the database while delete or VACUUM are running and sqlite is terrible at handling its own db lock while a lot of inserts are attempted, we prevent a significant bottleneck by handling the db lock ourselves here
IsDBLocked = true
defer func() {IsDBLocked = false}()
defer func() { IsDBLocked = false }()
amountOfBytesToTrim := currentFileSize / (100 / percentageOfMaxSizeBytesToPrune)
rows, err := GetEntriesTable().Limit(10000).Order("id").Rows()
if err != nil {
fmt.Printf("Error getting 10000 first db rows: %v\n", err)
rlog.Errorf("Error getting 10000 first db rows: %v", err)
return
}
@@ -102,7 +102,7 @@ func pruneOldEntries(currentFileSize int64) {
var entry models.MizuEntry
err = DB.ScanRows(rows, &entry)
if err != nil {
fmt.Printf("Error scanning db row: %v\n", err)
rlog.Errorf("Error scanning db row: %v", err)
continue
}
@@ -114,8 +114,8 @@ func pruneOldEntries(currentFileSize int64) {
GetEntriesTable().Where(entryIdsToRemove).Delete(models.MizuEntry{})
// VACUUM causes sqlite to shrink the db file after rows have been deleted, the db file will not shrink without this
DB.Exec("VACUUM")
fmt.Printf("Removed %d rows and cleared %s\n", len(entryIdsToRemove), units.BytesToHumanReadable(bytesToBeRemoved))
rlog.Errorf("Removed %d rows and cleared %s", len(entryIdsToRemove), units.BytesToHumanReadable(bytesToBeRemoved))
} else {
fmt.Println("Found no rows to remove when pruning")
rlog.Error("Found no rows to remove when pruning")
}
}

View File

@@ -2,11 +2,14 @@ package models
import (
"encoding/json"
"mizuserver/pkg/rules"
"mizuserver/pkg/utils"
"time"
"github.com/google/martian/har"
"github.com/up9inc/mizu/shared"
"github.com/up9inc/mizu/tap"
"mizuserver/pkg/utils"
"time"
)
type DataUnmarshaler interface {
@@ -33,19 +36,33 @@ type MizuEntry struct {
ResolvedSource string `json:"resolvedSource,omitempty" gorm:"column:resolvedSource"`
ResolvedDestination string `json:"resolvedDestination,omitempty" gorm:"column:resolvedDestination"`
IsOutgoing bool `json:"isOutgoing,omitempty" gorm:"column:isOutgoing"`
EstimatedSizeBytes int `json:"-" gorm:"column:estimatedSizeBytes"`
EstimatedSizeBytes int `json:"-" gorm:"column:estimatedSizeBytes"`
}
type BaseEntryDetails struct {
Id string `json:"id,omitempty"`
Url string `json:"url,omitempty"`
RequestSenderIp string `json:"requestSenderIp,omitempty"`
Service string `json:"service,omitempty"`
Path string `json:"path,omitempty"`
StatusCode int `json:"statusCode,omitempty"`
Method string `json:"method,omitempty"`
Timestamp int64 `json:"timestamp,omitempty"`
IsOutgoing bool `json:"isOutgoing,omitempty"`
Id string `json:"id,omitempty"`
Url string `json:"url,omitempty"`
RequestSenderIp string `json:"requestSenderIp,omitempty"`
Service string `json:"service,omitempty"`
Path string `json:"path,omitempty"`
StatusCode int `json:"statusCode,omitempty"`
Method string `json:"method,omitempty"`
Timestamp int64 `json:"timestamp,omitempty"`
IsOutgoing bool `json:"isOutgoing,omitempty"`
Latency int64 `json:"latency,omitempty"`
Rules ApplicableRules `json:"rules,omitempty"`
}
type ApplicableRules struct {
Latency int64 `json:"latency,omitempty"`
Status bool `json:"status,omitempty"`
}
func NewApplicableRules(status bool, latency int64) ApplicableRules {
ar := ApplicableRules{}
ar.Status = status
ar.Latency = latency
return ar
}
type FullEntryDetails struct {
@@ -101,11 +118,6 @@ func (fedex *FullEntryDetailsExtra) UnmarshalData(entry *MizuEntry) error {
return nil
}
type EntryData struct {
Entry string `json:"entry,omitempty"`
ResolvedDestination string `json:"resolvedDestination,omitempty" gorm:"column:resolvedDestination"`
}
type EntriesFilter struct {
Limit int `query:"limit" validate:"required,min=1,max=200"`
Operator string `query:"operator" validate:"required,oneof='lt' 'gt'"`
@@ -132,6 +144,11 @@ type WebSocketTappedEntryMessage struct {
Data *tap.OutputChannelItem
}
type WebsocketOutboundLinkMessage struct {
*shared.WebSocketMessageMetadata
Data *tap.OutboundLink
}
func CreateBaseEntryWebSocketMessage(base *BaseEntryDetails) ([]byte, error) {
message := &WebSocketEntryMessage{
WebSocketMessageMetadata: &shared.WebSocketMessageMetadata{
@@ -152,6 +169,16 @@ func CreateWebsocketTappedEntryMessage(base *tap.OutputChannelItem) ([]byte, err
return json.Marshal(message)
}
func CreateWebsocketOutboundLinkMessage(base *tap.OutboundLink) ([]byte, error) {
message := &WebsocketOutboundLinkMessage{
WebSocketMessageMetadata: &shared.WebSocketMessageMetadata{
MessageType: shared.WebsocketMessageTypeOutboundLink,
},
Data: base,
}
return json.Marshal(message)
}
// ExtendedHAR is the top level object of a HAR log.
type ExtendedHAR struct {
Log *ExtendedLog `json:"log"`
@@ -171,3 +198,27 @@ type ExtendedCreator struct {
*har.Creator
Source *string `json:"_source"`
}
type FullEntryWithPolicy struct {
RulesMatched []rules.RulesMatched `json:"rulesMatched,omitempty"`
Entry har.Entry `json:"entry"`
Service string `json:"service"`
}
func (fewp *FullEntryWithPolicy) UnmarshalData(entry *MizuEntry) error {
if err := json.Unmarshal([]byte(entry.Entry), &fewp.Entry); err != nil {
return err
}
_, resultPolicyToSend := rules.MatchRequestPolicy(fewp.Entry, entry.Service)
fewp.RulesMatched = resultPolicyToSend
fewp.Service = entry.Service
return nil
}
func RunValidationRulesState(harEntry har.Entry, service string) ApplicableRules {
numberOfRules, resultPolicyToSend := rules.MatchRequestPolicy(harEntry, service)
statusPolicyToSend, latency := rules.PassedValidationRules(resultPolicyToSend, numberOfRules)
ar := NewApplicableRules(statusPolicyToSend, latency)
return ar
}

View File

@@ -0,0 +1,28 @@
package providers
import (
"github.com/patrickmn/go-cache"
"github.com/up9inc/mizu/shared"
"github.com/up9inc/mizu/tap"
"time"
)
const tlsLinkRetainmentTime = time.Minute * 15
var (
TapStatus shared.TapStatus
RecentTLSLinks = cache.New(tlsLinkRetainmentTime, tlsLinkRetainmentTime)
)
func GetAllRecentTLSAddresses() []string {
recentTLSLinks := make([]string, 0)
for _, outboundLinkItem := range RecentTLSLinks.Items() {
outboundLink, castOk := outboundLinkItem.Object.(*tap.OutboundLink)
if castOk {
recentTLSLinks = append(recentTLSLinks, outboundLink.DstIP)
}
}
return recentTLSLinks
}

View File

@@ -32,7 +32,7 @@ Now you will be able to import `github.com/up9inc/mizu/resolver` in any `.go` fi
errOut := make(chan error, 100)
k8sResolver, err := resolver.NewFromOutOfCluster("", errOut)
if err != nil {
fmt.Printf("error creating k8s resolver %s", err)
rlog.Errorf("error creating k8s resolver %s", err)
}
ctx, cancel := context.WithCancel(context.Background())
@@ -40,15 +40,15 @@ k8sResolver.Start(ctx)
resolvedName := k8sResolver.Resolve("10.107.251.91") // will always return `nil` in real scenarios as the internal map takes a moment to populate after `Start` is called
if resolvedName != nil {
fmt.Printf("resolved 10.107.251.91=%s", *resolvedName)
rlog.Errorf("resolved 10.107.251.91=%s", *resolvedName)
} else {
fmt.Printf("Could not find a resolved name for 10.107.251.91")
rlog.Error("Could not find a resolved name for 10.107.251.91")
}
for {
select {
case err := <- errOut:
fmt.Printf("name resolving error %s", err)
rlog.Errorf("name resolving error %s", err)
}
}
```

View File

@@ -1,6 +1,7 @@
package resolver
import (
cmap "github.com/orcaman/concurrent-map"
"k8s.io/client-go/kubernetes"
_ "k8s.io/client-go/plugin/pkg/client/auth/azure"
_ "k8s.io/client-go/plugin/pkg/client/auth/gcp"
@@ -9,7 +10,7 @@ import (
restclient "k8s.io/client-go/rest"
)
func NewFromInCluster(errOut chan error) (*Resolver, error) {
func NewFromInCluster(errOut chan error, namesapce string) (*Resolver, error) {
config, err := restclient.InClusterConfig()
if err != nil {
return nil, err
@@ -18,5 +19,5 @@ func NewFromInCluster(errOut chan error) (*Resolver, error) {
if err != nil {
return nil, err
}
return &Resolver{clientConfig: config, clientSet: clientset, nameMap: make(map[string]string), serviceMap: make(map[string]string), errOut: errOut}, nil
return &Resolver{clientConfig: config, clientSet: clientset, nameMap: cmap.New(), serviceMap: cmap.New(), errOut: errOut, namespace: namesapce}, nil
}

View File

@@ -7,28 +7,32 @@ import (
"github.com/romana/rlog"
k8serrors "k8s.io/apimachinery/pkg/api/errors"
"github.com/orcaman/concurrent-map"
corev1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/watch"
"k8s.io/client-go/kubernetes"
restclient "k8s.io/client-go/rest"
)
const (
kubClientNullString = "None"
)
type Resolver struct {
clientConfig *restclient.Config
clientSet *kubernetes.Clientset
nameMap map[string]string
serviceMap map[string]string
isStarted bool
errOut chan error
clientConfig *restclient.Config
clientSet *kubernetes.Clientset
nameMap cmap.ConcurrentMap
serviceMap cmap.ConcurrentMap
isStarted bool
errOut chan error
namespace string
}
func (resolver *Resolver) Start(ctx context.Context) {
if !resolver.isStarted {
resolver.isStarted = true
go resolver.infiniteErrorHandleRetryFunc(ctx, resolver.watchServices)
go resolver.infiniteErrorHandleRetryFunc(ctx, resolver.watchEndpoints)
go resolver.infiniteErrorHandleRetryFunc(ctx, resolver.watchPods)
@@ -36,97 +40,97 @@ func (resolver *Resolver) Start(ctx context.Context) {
}
func (resolver *Resolver) Resolve(name string) string {
resolvedName, isFound := resolver.nameMap[name]
resolvedName, isFound := resolver.nameMap.Get(name)
if !isFound {
return ""
}
return resolvedName
return resolvedName.(string)
}
func (resolver *Resolver) GetMap() map[string]string {
func (resolver *Resolver) GetMap() cmap.ConcurrentMap {
return resolver.nameMap
}
func (resolver *Resolver) CheckIsServiceIP(address string) bool {
_, isFound := resolver.serviceMap[address]
_, isFound := resolver.serviceMap.Get(address)
return isFound
}
func (resolver *Resolver) watchPods(ctx context.Context) error {
// empty namespace makes the client watch all namespaces
watcher, err := resolver.clientSet.CoreV1().Pods("").Watch(ctx, metav1.ListOptions{Watch: true})
watcher, err := resolver.clientSet.CoreV1().Pods(resolver.namespace).Watch(ctx, metav1.ListOptions{Watch: true})
if err != nil {
return err
}
for {
select {
case event := <- watcher.ResultChan():
if event.Object == nil {
return errors.New("error in kubectl pod watch")
}
if event.Type == watch.Deleted {
pod := event.Object.(*corev1.Pod)
resolver.saveResolvedName(pod.Status.PodIP, "", event.Type)
}
case <- ctx.Done():
watcher.Stop()
return nil
case event := <-watcher.ResultChan():
if event.Object == nil {
return errors.New("error in kubectl pod watch")
}
if event.Type == watch.Deleted {
pod := event.Object.(*corev1.Pod)
resolver.saveResolvedName(pod.Status.PodIP, "", event.Type)
}
case <-ctx.Done():
watcher.Stop()
return nil
}
}
}
func (resolver *Resolver) watchEndpoints(ctx context.Context) error {
// empty namespace makes the client watch all namespaces
watcher, err := resolver.clientSet.CoreV1().Endpoints("").Watch(ctx, metav1.ListOptions{Watch: true})
watcher, err := resolver.clientSet.CoreV1().Endpoints(resolver.namespace).Watch(ctx, metav1.ListOptions{Watch: true})
if err != nil {
return err
}
for {
select {
case event := <- watcher.ResultChan():
if event.Object == nil {
return errors.New("error in kubectl endpoint watch")
}
endpoint := event.Object.(*corev1.Endpoints)
serviceHostname := fmt.Sprintf("%s.%s", endpoint.Name, endpoint.Namespace)
if endpoint.Subsets != nil {
for _, subset := range endpoint.Subsets {
var ports []int32
if subset.Ports != nil {
for _, portMapping := range subset.Ports {
if portMapping.Port > 0 {
ports = append(ports, portMapping.Port)
}
case event := <-watcher.ResultChan():
if event.Object == nil {
return errors.New("error in kubectl endpoint watch")
}
endpoint := event.Object.(*corev1.Endpoints)
serviceHostname := fmt.Sprintf("%s.%s", endpoint.Name, endpoint.Namespace)
if endpoint.Subsets != nil {
for _, subset := range endpoint.Subsets {
var ports []int32
if subset.Ports != nil {
for _, portMapping := range subset.Ports {
if portMapping.Port > 0 {
ports = append(ports, portMapping.Port)
}
}
if subset.Addresses != nil {
for _, address := range subset.Addresses {
resolver.saveResolvedName(address.IP, serviceHostname, event.Type)
for _, port := range ports {
ipWithPort := fmt.Sprintf("%s:%d", address.IP, port)
resolver.saveResolvedName(ipWithPort, serviceHostname, event.Type)
}
}
}
}
if subset.Addresses != nil {
for _, address := range subset.Addresses {
resolver.saveResolvedName(address.IP, serviceHostname, event.Type)
for _, port := range ports {
ipWithPort := fmt.Sprintf("%s:%d", address.IP, port)
resolver.saveResolvedName(ipWithPort, serviceHostname, event.Type)
}
}
}
}
case <- ctx.Done():
watcher.Stop()
return nil
}
case <-ctx.Done():
watcher.Stop()
return nil
}
}
}
func (resolver *Resolver) watchServices(ctx context.Context) error {
// empty namespace makes the client watch all namespaces
watcher, err := resolver.clientSet.CoreV1().Services("").Watch(ctx, metav1.ListOptions{Watch: true})
watcher, err := resolver.clientSet.CoreV1().Services(resolver.namespace).Watch(ctx, metav1.ListOptions{Watch: true})
if err != nil {
return err
}
for {
select {
case event := <- watcher.ResultChan():
case event := <-watcher.ResultChan():
if event.Object == nil {
return errors.New("error in kubectl service watch")
}
@@ -142,7 +146,7 @@ func (resolver *Resolver) watchServices(ctx context.Context) error {
resolver.saveResolvedName(ingress.IP, serviceHostname, event.Type)
}
}
case <- ctx.Done():
case <-ctx.Done():
watcher.Stop()
return nil
}
@@ -151,19 +155,19 @@ func (resolver *Resolver) watchServices(ctx context.Context) error {
func (resolver *Resolver) saveResolvedName(key string, resolved string, eventType watch.EventType) {
if eventType == watch.Deleted {
delete(resolver.nameMap, key)
resolver.nameMap.Remove(key)
rlog.Infof("setting %s=nil\n", key)
} else {
resolver.nameMap[key] = resolved
resolver.nameMap.Set(key, resolved)
rlog.Infof("setting %s=%s\n", key, resolved)
}
}
func (resolver *Resolver) saveServiceIP(key string, resolved string, eventType watch.EventType) {
if eventType == watch.Deleted {
delete(resolver.serviceMap, key)
resolver.serviceMap.Remove(key)
} else {
resolver.serviceMap[key] = resolved
resolver.serviceMap.Set(key, resolved)
}
}
@@ -186,4 +190,3 @@ func (resolver *Resolver) infiniteErrorHandleRetryFunc(ctx context.Context, fun
}
}
}

View File

@@ -22,4 +22,5 @@ func EntriesRoutes(ginApp *gin.Engine) {
routeGroup.GET("/tapStatus", controllers.GetTappingStatus) // get tapping status
routeGroup.GET("/analyzeStatus", controllers.AnalyzeInformation)
routeGroup.GET("/recentTLSLinks", controllers.GetRecentTLSLinks)
}

View File

@@ -0,0 +1,12 @@
package routes
import (
"github.com/gin-gonic/gin"
"mizuserver/pkg/controllers"
)
func StatusRoutes(ginApp *gin.Engine) {
routeGroup := ginApp.Group("/status")
routeGroup.POST("/tappedPods", controllers.PostTappedPods)
}

110
agent/pkg/rules/models.go Normal file
View File

@@ -0,0 +1,110 @@
package rules
import (
"encoding/json"
"fmt"
"reflect"
"regexp"
"strings"
"github.com/google/martian/har"
"github.com/up9inc/mizu/shared"
jsonpath "github.com/yalp/jsonpath"
)
type RulesMatched struct {
Matched bool `json:"matched"`
Rule shared.RulePolicy `json:"rule"`
}
func appendRulesMatched(rulesMatched []RulesMatched, matched bool, rule shared.RulePolicy) []RulesMatched {
return append(rulesMatched, RulesMatched{Matched: matched, Rule: rule})
}
func ValidatePath(URLFromRule string, URL string) bool {
if URLFromRule != "" {
matchPath, err := regexp.MatchString(URLFromRule, URL)
if err != nil || !matchPath {
return false
}
}
return true
}
func ValidateService(serviceFromRule string, service string) bool {
if serviceFromRule != "" {
matchService, err := regexp.MatchString(serviceFromRule, service)
if err != nil || !matchService {
return false
}
}
return true
}
func MatchRequestPolicy(harEntry har.Entry, service string) (int, []RulesMatched) {
enforcePolicy, _ := shared.DecodeEnforcePolicy(fmt.Sprintf("%s/%s", shared.RulePolicyPath, shared.RulePolicyFileName))
var resultPolicyToSend []RulesMatched
for _, rule := range enforcePolicy.Rules {
if !ValidatePath(rule.Path, harEntry.Request.URL) || !ValidateService(rule.Service, service) {
continue
}
if rule.Type == "json" {
var bodyJsonMap interface{}
if err := json.Unmarshal(harEntry.Response.Content.Text, &bodyJsonMap); err != nil {
continue
}
out, err := jsonpath.Read(bodyJsonMap, rule.Key)
if err != nil || out == nil {
continue
}
var matchValue bool
if reflect.TypeOf(out).Kind() == reflect.String {
matchValue, err = regexp.MatchString(rule.Value, out.(string))
if err != nil {
continue
}
} else {
val := fmt.Sprint(out)
matchValue, err = regexp.MatchString(rule.Value, val)
if err != nil {
continue
}
}
resultPolicyToSend = appendRulesMatched(resultPolicyToSend, matchValue, rule)
} else if rule.Type == "header" {
for j := range harEntry.Response.Headers {
matchKey, err := regexp.MatchString(rule.Key, harEntry.Response.Headers[j].Name)
if err != nil {
continue
}
if matchKey {
matchValue, err := regexp.MatchString(rule.Value, harEntry.Response.Headers[j].Value)
if err != nil {
continue
}
resultPolicyToSend = appendRulesMatched(resultPolicyToSend, matchValue, rule)
}
}
} else {
resultPolicyToSend = appendRulesMatched(resultPolicyToSend, true, rule)
}
}
return len(enforcePolicy.Rules), resultPolicyToSend
}
func PassedValidationRules(rulesMatched []RulesMatched, numberOfRules int) (bool, int64) {
if len(rulesMatched) == 0 {
return false, 0
}
for _, rule := range rulesMatched {
if rule.Matched == false {
return false, -1
}
}
for _, rule := range rulesMatched {
if strings.ToLower(rule.Rule.Type) == "latency" {
return true, rule.Rule.Latency
}
}
return true, -1
}

View File

@@ -3,6 +3,7 @@ package utils
import (
"context"
"fmt"
"github.com/romana/rlog"
"gorm.io/gorm/logger"
"gorm.io/gorm/utils"
"time"
@@ -10,7 +11,7 @@ import (
// TruncatingLogger implements the gorm logger.Interface interface. Its purpose is to act as gorm's logger while truncating logs to a max of 50 characters to minimise the performance impact
type TruncatingLogger struct {
LogLevel logger.LogLevel
LogLevel logger.LogLevel
SlowThreshold time.Duration
}
@@ -23,21 +24,21 @@ func (truncatingLogger *TruncatingLogger) Info(_ context.Context, message string
if truncatingLogger.LogLevel < logger.Info {
return
}
fmt.Printf("gorm info: %.150s\n", message)
rlog.Errorf("gorm info: %.150s", message)
}
func (truncatingLogger *TruncatingLogger) Warn(_ context.Context, message string, __ ...interface{}) {
if truncatingLogger.LogLevel < logger.Warn {
return
}
fmt.Printf("gorm warning: %.150s\n", message)
rlog.Errorf("gorm warning: %.150s", message)
}
func (truncatingLogger *TruncatingLogger) Error(_ context.Context, message string, __ ...interface{}) {
if truncatingLogger.LogLevel < logger.Error {
return
}
fmt.Printf("gorm error: %.150s\n", message)
rlog.Errorf("gorm error: %.150s", message)
}
func (truncatingLogger *TruncatingLogger) Trace(ctx context.Context, begin time.Time, fc func() (string, int64), err error) {

View File

@@ -5,7 +5,9 @@ SERVER_NAME=mizu
GCP_PROJECT=up9-docker-hub
REPOSITORY=gcr.io/$GCP_PROJECT
GIT_BRANCH=$(git branch | grep \* | cut -d ' ' -f2 | tr '[:upper:]' '[:lower:]')
DOCKER_TAGGED_BUILD=$REPOSITORY/$SERVER_NAME/$GIT_BRANCH:latest
SEM_VER=${SEM_VER=0.0.0}
DOCKER_REPO=$REPOSITORY/$SERVER_NAME/$GIT_BRANCH
DOCKER_TAGGED_BUILDS=("$DOCKER_REPO:latest" "$DOCKER_REPO:$SEM_VER")
if [ "$GIT_BRANCH" = 'develop' -o "$GIT_BRANCH" = 'master' -o "$GIT_BRANCH" = 'main' ]
then
@@ -13,8 +15,12 @@ then
exit 1
fi
echo "building $DOCKER_TAGGED_BUILD"
docker build -t "$DOCKER_TAGGED_BUILD" --build-arg SEM_VER=${SEM_VER} --build-arg BUILD_TIMESTAMP=${BUILD_TIMESTAMP} --build-arg GIT_BRANCH=${GIT_BRANCH} --build-arg COMMIT_HASH=${COMMIT_HASH} .
echo "building ${DOCKER_TAGGED_BUILDS[@]}"
DOCKER_TAGS_ARGS=$(echo ${DOCKER_TAGGED_BUILDS[@]/#/-t }) # "-t FIRST_TAG -t SECOND_TAG ..."
docker build $DOCKER_TAGS_ARGS --build-arg SEM_VER=${SEM_VER} --build-arg BUILD_TIMESTAMP=${BUILD_TIMESTAMP} --build-arg GIT_BRANCH=${GIT_BRANCH} --build-arg COMMIT_HASH=${COMMIT_HASH} .
echo pushing to "$REPOSITORY"
docker push "$DOCKER_TAGGED_BUILD"
for DOCKER_TAG in "${DOCKER_TAGGED_BUILDS[@]}"
do
echo pushing "$DOCKER_TAG"
docker push "$DOCKER_TAG"
done

View File

@@ -3,6 +3,7 @@ COMMIT_HASH=$(shell git rev-parse HEAD)
GIT_BRANCH=$(shell git branch --show-current | tr '[:upper:]' '[:lower:]')
GIT_VERSION=$(shell git branch --show-current | tr '[:upper:]' '[:lower:]')
BUILD_TIMESTAMP=$(shell date +%s)
export SEM_VER?=0.0.0
.PHONY: help
.DEFAULT_GOAL := help
@@ -13,7 +14,7 @@ help: ## This help.
install:
go install mizu.go
build: ## build mizu CLI binary (select platform via GOOS / GOARCH env variables)
build: ## Build mizu CLI binary (select platform via GOOS / GOARCH env variables).
go build -ldflags="-X 'github.com/up9inc/mizu/cli/mizu.GitCommitHash=$(COMMIT_HASH)' \
-X 'github.com/up9inc/mizu/cli/mizu.Branch=$(GIT_BRANCH)' \
-X 'github.com/up9inc/mizu/cli/mizu.BuildTimestamp=$(BUILD_TIMESTAMP)' \
@@ -21,7 +22,7 @@ build: ## build mizu CLI binary (select platform via GOOS / GOARCH env variables
-o bin/mizu_$(SUFFIX) mizu.go
(cd bin && shasum -a 256 mizu_${SUFFIX} > mizu_${SUFFIX}.sha256)
build-all: ## build for all supported platforms
build-all: ## Build for all supported platforms.
@echo "Compiling for every OS and Platform"
@mkdir -p bin && echo "SHA256 checksums available for compiled binaries \n\nRun \`shasum -a 256 -c mizu_OS_ARCH.sha256\` to verify\n\n" > bin/README.md
@$(MAKE) build GOOS=darwin GOARCH=amd64
@@ -35,6 +36,6 @@ build-all: ## build for all supported platforms
@echo "---------"
@find ./bin -ls
clean: ## clean all build artifacts
clean: ## Clean all build artifacts.
go clean
rm -rf ./bin/*

View File

@@ -8,17 +8,24 @@ import (
"io/ioutil"
)
var outputFileName string
var regenerateFile bool
var configCmd = &cobra.Command{
Use: "config",
Short: "Generate example config file to stdout",
Short: "Generate config with default values",
RunE: func(cmd *cobra.Command, args []string) error {
template := mizu.GetTemplateConfig()
if outputFileName != "" {
template, err := mizu.GetConfigWithDefaults()
if err != nil {
mizu.Log.Errorf("Failed generating config with defaults %v", err)
return nil
}
if regenerateFile {
data := []byte(template)
_ = ioutil.WriteFile(outputFileName, data, 0644)
mizu.Log.Infof(fmt.Sprintf("Template File written to %s", fmt.Sprintf(uiUtils.Purple, outputFileName)))
if err := ioutil.WriteFile(mizu.GetConfigFilePath(), data, 0644); err != nil {
mizu.Log.Errorf("Failed writing config %v", err)
return nil
}
mizu.Log.Infof(fmt.Sprintf("Template File written to %s", fmt.Sprintf(uiUtils.Purple, mizu.GetConfigFilePath())))
} else {
mizu.Log.Debugf("Writing template config.\n%v", template)
fmt.Printf("%v", template)
@@ -29,6 +36,5 @@ var configCmd = &cobra.Command{
func init() {
rootCmd.AddCommand(configCmd)
configCmd.Flags().StringVarP(&outputFileName, "file", "f", "", "Save content to local file")
configCmd.Flags().BoolVarP(&regenerateFile, "regenerate", "r", false, fmt.Sprintf("Regenerate the config file with default values %s", mizu.GetConfigFilePath()))
}

View File

@@ -1,32 +0,0 @@
package cmd
import (
"github.com/spf13/cobra"
)
type MizuDemoOptions struct {
GuiPort uint16
Analyze bool
AnalyzeDestination string
}
var mizuDemoOptions = &MizuDemoOptions{}
var demoCmd = &cobra.Command{
Use: "demo",
Short: "Record ingoing traffic of a kubernetes pod",
Long: `Record the ingoing traffic of a kubernetes pod.
Supported protocols are HTTP and gRPC.`,
RunE: func(cmd *cobra.Command, args []string) error {
RunMizuTapDemo(mizuDemoOptions)
return nil
},
}
func init() {
rootCmd.AddCommand(demoCmd)
demoCmd.Flags().Uint16VarP(&mizuDemoOptions.GuiPort, "gui-port", "p", 8899, "Provide a custom port for the web interface webserver")
demoCmd.Flags().BoolVar(&mizuDemoOptions.Analyze, "analyze", false, "Uploads traffic to UP9 cloud for further analysis (Beta)")
demoCmd.Flags().StringVar(&mizuDemoOptions.AnalyzeDestination, "dest", "up9.app", "Destination environment")
}

View File

@@ -1,185 +0,0 @@
package cmd
import (
"archive/zip"
"bytes"
"context"
"fmt"
"io"
"log"
"net/http"
"os"
"os/exec"
"os/signal"
"path/filepath"
"runtime"
"strings"
"syscall"
"time"
"github.com/up9inc/mizu/cli/uiUtils"
)
func RunMizuTapDemo(demoOptions *MizuDemoOptions) {
dir, _ := os.Getwd()
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
downloadMizuDemo(dir)
go callMizuDemo(ctx, cancel, dir, demoOptions)
if demoOptions.Analyze {
go analyze(demoOptions)
fmt.Printf(uiUtils.Purple, "mizu tap \"catalogue-.*|carts-[0-9].*|payment.*|shipping.*|user-[0-9].*\" -n sock-shop --analyze\n")
} else {
fmt.Printf(uiUtils.Purple, "mizu tap \"catalogue-.*|carts-[0-9].*|payment.*|shipping.*|user-[0-9].*\" -n sock-shop\n")
}
fmt.Println("Mizu will be available on http://localhost:8899 in a few seconds")
sigChan := make(chan os.Signal, 1)
signal.Notify(sigChan, syscall.SIGINT, syscall.SIGTERM, syscall.SIGQUIT)
select {
case <-ctx.Done():
break
case <-sigChan:
cleanUpDemoResources(dir)
cancel()
}
}
func cleanUpDemoResources(dir string) {
removeFile(fmt.Sprintf("%s/site.zip", dir))
removeFile(fmt.Sprintf("%s/site", dir))
removeFile(fmt.Sprintf("%s/apiserver.zip", dir))
removeFile(fmt.Sprintf("%s/apiserver", dir))
removeFile(fmt.Sprintf("%s/entries.db", dir))
removeFile(fmt.Sprintf("%s/hars", dir))
removeFile(fmt.Sprintf("%s/hars.zip", dir))
}
func removeFile(file string) {
err := os.RemoveAll(file)
if err != nil {
log.Fatal(err)
}
}
func downloadMizuDemo(dir string) {
if runtime.GOOS != "darwin" && runtime.GOOS != "linux" {
panic("Platform not supported")
}
mizuApiURL := fmt.Sprintf("https://storage.googleapis.com/up9-mizu-demo-mode/apiserver-%s.zip", runtime.GOOS)
siteFileURL := "https://storage.googleapis.com/up9-mizu-demo-mode/site.zip"
harsURL := "https://storage.googleapis.com/up9-mizu-demo-mode/hars.zip"
dirApi := fmt.Sprintf("%s/apiserver.zip", dir)
dirSite := fmt.Sprintf("%s/site.zip", dir)
dirHars := fmt.Sprintf("%s/hars.zip", dir)
DownloadFile(dirApi, mizuApiURL)
DownloadFile(dirSite, siteFileURL)
DownloadFile(dirHars, harsURL)
UnzipSite(dirSite, fmt.Sprintf("%s/", dir))
UnzipSite(dirApi, fmt.Sprintf("%s/", dir))
UnzipSite(dirHars, fmt.Sprintf("%s/", dir))
allowExecutable(fmt.Sprintf("%s/apiserver", dir))
}
func DownloadFile(filepath string, url string) error {
resp, err := http.Get(url)
if err != nil {
return err
}
defer resp.Body.Close()
out, err := os.Create(filepath)
if err != nil {
return err
}
defer out.Close()
_, err = io.Copy(out, resp.Body)
return err
}
func UnzipSite(src string, dest string) ([]string, error) {
var filenames []string
r, err := zip.OpenReader(src)
if err != nil {
return filenames, err
}
defer r.Close()
for _, f := range r.File {
fpath := filepath.Join(dest, f.Name)
if !strings.HasPrefix(fpath, filepath.Clean(dest)+string(os.PathSeparator)) {
return filenames, fmt.Errorf("%s: illegal file path", fpath)
}
filenames = append(filenames, fpath)
if f.FileInfo().IsDir() {
os.MkdirAll(fpath, os.ModePerm)
continue
}
if err = os.MkdirAll(filepath.Dir(fpath), os.ModePerm); err != nil {
return filenames, err
}
outFile, err := os.OpenFile(fpath, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, f.Mode())
if err != nil {
return filenames, err
}
rc, err := f.Open()
if err != nil {
return filenames, err
}
_, err = io.Copy(outFile, rc)
outFile.Close()
rc.Close()
if err != nil {
return filenames, err
}
}
return filenames, nil
}
func allowExecutable(dir string) {
if err := os.Chmod(dir, 0755); err != nil {
log.Fatalln(err)
}
}
func callMizuDemo(ctx context.Context, cancel context.CancelFunc, dir string, demoOptions *MizuDemoOptions) {
cmd := exec.Command(fmt.Sprintf("%s/apiserver", dir), "--aggregator", "--demo")
var out bytes.Buffer
// set the output to our variable
cmd.Stdout = &out
err := cmd.Run()
if err != nil {
log.Println(err)
}
}
func analyze(demoOptions *MizuDemoOptions) {
mizuProxiedUrl := getMizuCollectorProxiedHostAndPath(demoOptions.GuiPort)
for {
response, err := http.Get(fmt.Sprintf("http://%s/api/uploadEntries?dest=%s&interval=10", mizuProxiedUrl, demoOptions.AnalyzeDestination))
if err != nil || response.StatusCode != 200 {
fmt.Printf(uiUtils.Red, "Mizu Not running, waiting 10 seconds before trying again\n")
} else {
fmt.Printf(uiUtils.Purple, "Traffic is uploading to UP9 cloud for further analsys\n")
break
}
time.Sleep(10 * time.Second)
}
}
func getMizuCollectorProxiedHostAndPath(mizuPort uint16) string {
return fmt.Sprintf("localhost:%d", mizuPort)
}

View File

@@ -1,30 +1,23 @@
package cmd
import (
"github.com/creasty/defaults"
"github.com/spf13/cobra"
"github.com/up9inc/mizu/cli/mizu"
"github.com/up9inc/mizu/cli/mizu/configStructs"
)
type MizuFetchOptions struct {
FromTimestamp int64
ToTimestamp int64
Directory string
MizuPort uint16
}
var mizuFetchOptions = MizuFetchOptions{}
var fetchCmd = &cobra.Command{
Use: "fetch",
Short: "Download recorded traffic to files",
RunE: func(cmd *cobra.Command, args []string) error {
go mizu.ReportRun("fetch", mizuTapOptions)
if isCompatible, err := mizu.CheckVersionCompatibility(mizuFetchOptions.MizuPort); err != nil {
go mizu.ReportRun("fetch", mizu.Config.Fetch)
if isCompatible, err := mizu.CheckVersionCompatibility(mizu.Config.Fetch.MizuPort); err != nil {
return err
} else if !isCompatible {
return nil
}
RunMizuFetch(&mizuFetchOptions)
RunMizuFetch()
return nil
},
}
@@ -32,8 +25,11 @@ var fetchCmd = &cobra.Command{
func init() {
rootCmd.AddCommand(fetchCmd)
fetchCmd.Flags().StringVarP(&mizuFetchOptions.Directory, "directory", "d", ".", "Provide a custom directory for fetched entries")
fetchCmd.Flags().Int64Var(&mizuFetchOptions.FromTimestamp, "from", 0, "Custom start timestamp for fetched entries")
fetchCmd.Flags().Int64Var(&mizuFetchOptions.ToTimestamp, "to", 0, "Custom end timestamp fetched entries")
fetchCmd.Flags().Uint16VarP(&mizuFetchOptions.MizuPort, "port", "p", 8899, "Custom port for mizu")
defaultFetchConfig := configStructs.FetchConfig{}
defaults.Set(&defaultFetchConfig)
fetchCmd.Flags().StringP(configStructs.DirectoryFetchName, "d", defaultFetchConfig.Directory, "Provide a custom directory for fetched entries")
fetchCmd.Flags().Int(configStructs.FromTimestampFetchName, defaultFetchConfig.FromTimestamp, "Custom start timestamp for fetched entries")
fetchCmd.Flags().Int(configStructs.ToTimestampFetchName, defaultFetchConfig.ToTimestamp, "Custom end timestamp fetched entries")
fetchCmd.Flags().Uint16P(configStructs.MizuPortFetchName, "p", defaultFetchConfig.MizuPort, "Custom port for mizu")
}

View File

@@ -15,9 +15,9 @@ import (
"strings"
)
func RunMizuFetch(fetch *MizuFetchOptions) {
mizuProxiedUrl := kubernetes.GetMizuApiServerProxiedHostAndPath(fetch.MizuPort)
resp, err := http.Get(fmt.Sprintf("http://%s/api/har?from=%v&to=%v", mizuProxiedUrl, fetch.FromTimestamp, fetch.ToTimestamp))
func RunMizuFetch() {
mizuProxiedUrl := kubernetes.GetMizuApiServerProxiedHostAndPath(mizu.Config.Fetch.MizuPort)
resp, err := http.Get(fmt.Sprintf("http://%s/api/har?from=%v&to=%v", mizuProxiedUrl, mizu.Config.Fetch.FromTimestamp, mizu.Config.Fetch.ToTimestamp))
if err != nil {
log.Fatal(err)
}
@@ -33,8 +33,8 @@ func RunMizuFetch(fetch *MizuFetchOptions) {
if err != nil {
log.Fatal(err)
}
_ = Unzip(zipReader, fetch.Directory)
_ = Unzip(zipReader, mizu.Config.Fetch.Directory)
}
func Unzip(reader *zip.Reader, dest string) error {

46
cli/cmd/logs.go Normal file
View File

@@ -0,0 +1,46 @@
package cmd
import (
"context"
"github.com/spf13/cobra"
"github.com/up9inc/mizu/cli/fsUtils"
"github.com/up9inc/mizu/cli/kubernetes"
"github.com/up9inc/mizu/cli/mizu"
"os"
"path"
)
var filePath string
var logsCmd = &cobra.Command{
Use: "logs",
Short: "Create a zip file with logs for Github issue or troubleshoot",
RunE: func(cmd *cobra.Command, args []string) error {
kubernetesProvider, err := kubernetes.NewProvider(mizu.Config.View.KubeConfigPath)
if err != nil {
return nil
}
ctx, _ := context.WithCancel(context.Background())
if filePath == "" {
pwd, err := os.Getwd()
if err != nil {
mizu.Log.Errorf("Failed to get PWD, %v (try using `mizu logs -f <full path dest zip file>)`", err)
return nil
}
filePath = path.Join(pwd, "mizu_logs.zip")
}
mizu.Log.Debugf("Using file path %s", filePath)
if err := fsUtils.DumpLogs(kubernetesProvider, ctx, filePath); err != nil {
mizu.Log.Errorf("Failed dump logs %v", err)
}
return nil
},
}
func init() {
rootCmd.AddCommand(logsCmd)
logsCmd.Flags().StringVarP(&filePath, "file", "f", "", "Path for zip file (default current <pwd>\\mizu_logs.zip)")
}

View File

@@ -4,29 +4,31 @@ import (
"errors"
"fmt"
"github.com/spf13/cobra"
"github.com/up9inc/mizu/cli/fsUtils"
"github.com/up9inc/mizu/cli/mizu"
)
var commandLineFlags []string
var rootCmd = &cobra.Command{
Use: "mizu",
Short: "A web traffic viewer for kubernetes",
Long: `A web traffic viewer for kubernetes
Further info is available at https://github.com/up9inc/mizu`,
PersistentPreRunE: func(cmd *cobra.Command, args []string) error {
if err := mizu.InitConfig(commandLineFlags); err != nil {
if err := fsUtils.EnsureDir(mizu.GetMizuFolderPath()); err != nil {
mizu.Log.Errorf("Failed to use mizu folder, %v", err)
}
mizu.InitLogger()
if err := mizu.InitConfig(cmd); err != nil {
mizu.Log.Errorf("Invalid config, Exit %s", err)
return errors.New(fmt.Sprintf("%v", err))
}
prettifiedConfig := mizu.GetConfigStr()
mizu.Log.Debugf("Final Config: %s", prettifiedConfig)
return nil
},
}
func init() {
rootCmd.PersistentFlags().StringSliceVar(&commandLineFlags, "set", []string{}, "Override values using --set")
rootCmd.PersistentFlags().StringSlice(mizu.SetCommandName, []string{}, fmt.Sprintf("Override values using --%s", mizu.SetCommandName))
}
// Execute adds all child commands to the root command and sets flags appropriately.

View File

@@ -2,39 +2,16 @@ package cmd
import (
"errors"
"fmt"
"github.com/spf13/cobra"
"github.com/up9inc/mizu/cli/mizu"
"github.com/up9inc/mizu/cli/uiUtils"
"github.com/up9inc/mizu/shared/units"
"os"
"regexp"
"strings"
"github.com/creasty/defaults"
"github.com/spf13/cobra"
"github.com/up9inc/mizu/cli/errormessage"
"github.com/up9inc/mizu/cli/mizu"
"github.com/up9inc/mizu/cli/mizu/configStructs"
"github.com/up9inc/mizu/cli/uiUtils"
)
type MizuTapOptions struct {
GuiPort uint16
Namespace string
AllNamespaces bool
Analysis bool
AnalysisDestination string
KubeConfigPath string
MizuImage string
PlainTextFilterRegexes []string
TapOutgoing bool
HideHealthChecks bool
MaxEntriesDBSizeBytes int64
SleepIntervalSec uint16
DisableRedaction bool
}
var mizuTapOptions = &MizuTapOptions{}
var direction string
var humanMaxEntriesDBSize string
var regex *regexp.Regexp
const maxEntriesDBSizeFlagName = "max-entries-db-size"
const analysisMessageToConfirm = `NOTE: running mizu with --analysis flag will upload recorded traffic for further analysis and enriched presentation options.`
var tapCmd = &cobra.Command{
@@ -43,53 +20,35 @@ var tapCmd = &cobra.Command{
Long: `Record the ingoing traffic of a kubernetes pod.
Supported protocols are HTTP and gRPC.`,
RunE: func(cmd *cobra.Command, args []string) error {
go mizu.ReportRun("tap", mizuTapOptions)
RunMizuTap(regex, mizuTapOptions)
go mizu.ReportRun("tap", mizu.Config.Tap)
RunMizuTap()
return nil
},
PreRunE: func(cmd *cobra.Command, args []string) error {
mizu.Log.Debugf("Getting params")
mizuTapOptions.AnalysisDestination = mizu.GetString(mizu.ConfigurationKeyAnalyzingDestination)
mizuTapOptions.SleepIntervalSec = uint16(mizu.GetInt(mizu.ConfigurationKeyUploadInterval))
mizuTapOptions.MizuImage = mizu.GetString(mizu.ConfigurationKeyMizuImage)
mizu.Log.Debugf(uiUtils.PrettyJson(mizuTapOptions))
if len(args) == 0 {
return errors.New("POD REGEX argument is required")
if len(args) == 1 {
mizu.Config.Tap.PodRegexStr = args[0]
} else if len(args) > 1 {
return errors.New("unexpected number of arguments")
}
var compileErr error
regex, compileErr = regexp.Compile(args[0])
if compileErr != nil {
return errors.New(fmt.Sprintf("%s is not a valid regex %s", args[0], compileErr))
if err := mizu.Config.Validate(); err != nil {
return errormessage.FormatError(err)
}
var parseHumanDataSizeErr error
mizuTapOptions.MaxEntriesDBSizeBytes, parseHumanDataSizeErr = units.HumanReadableToBytes(humanMaxEntriesDBSize)
if parseHumanDataSizeErr != nil {
return errors.New(fmt.Sprintf("Could not parse --max-entries-db-size value %s", humanMaxEntriesDBSize))
}
mizu.Log.Infof("Mizu will store up to %s of traffic, old traffic will be cleared once the limit is reached.", units.BytesToHumanReadable(mizuTapOptions.MaxEntriesDBSizeBytes))
directionLowerCase := strings.ToLower(direction)
if directionLowerCase == "any" {
mizuTapOptions.TapOutgoing = true
} else if directionLowerCase == "in" {
mizuTapOptions.TapOutgoing = false
} else {
return errors.New(fmt.Sprintf("%s is not a valid value for flag --direction. Acceptable values are in/any.", direction))
if err := mizu.Config.Tap.Validate(); err != nil {
return errormessage.FormatError(err)
}
if mizuTapOptions.Analysis {
mizu.Log.Infof("Mizu will store up to %s of traffic, old traffic will be cleared once the limit is reached.", mizu.Config.Tap.HumanMaxEntriesDBSize)
if mizu.Config.Tap.Analysis {
mizu.Log.Infof(analysisMessageToConfirm)
if !uiUtils.AskForConfirmation("Would you like to proceed [Y/n]: ") {
mizu.Log.Infof("You can always run mizu without analysis, aborting")
os.Exit(0)
}
}
return nil
},
}
@@ -97,14 +56,19 @@ Supported protocols are HTTP and gRPC.`,
func init() {
rootCmd.AddCommand(tapCmd)
tapCmd.Flags().Uint16VarP(&mizuTapOptions.GuiPort, "gui-port", "p", 8899, "Provide a custom port for the web interface webserver")
tapCmd.Flags().StringVarP(&mizuTapOptions.Namespace, "namespace", "n", "", "Namespace selector")
tapCmd.Flags().BoolVar(&mizuTapOptions.Analysis, "analysis", false, "Uploads traffic to UP9 for further analysis (Beta)")
tapCmd.Flags().BoolVarP(&mizuTapOptions.AllNamespaces, "all-namespaces", "A", false, "Tap all namespaces")
tapCmd.Flags().StringVarP(&mizuTapOptions.KubeConfigPath, "kube-config", "k", "", "Path to kube-config file")
tapCmd.Flags().StringArrayVarP(&mizuTapOptions.PlainTextFilterRegexes, "regex-masking", "r", nil, "List of regex expressions that are used to filter matching values from text/plain http bodies")
tapCmd.Flags().StringVarP(&direction, "direction", "", "in", "Record traffic that goes in this direction (relative to the tapped pod): in/any")
tapCmd.Flags().BoolVar(&mizuTapOptions.HideHealthChecks, "hide-healthchecks", false, "hides requests with kube-probe or prometheus user-agent headers")
tapCmd.Flags().StringVarP(&humanMaxEntriesDBSize, maxEntriesDBSizeFlagName, "", "200MB", "override the default max entries db size of 200mb")
tapCmd.Flags().BoolVar(&mizuTapOptions.DisableRedaction, "no-redact", false, "Disables redaction of potentially sensitive request/response headers and body values")
defaultTapConfig := configStructs.TapConfig{}
defaults.Set(&defaultTapConfig)
tapCmd.Flags().Uint16P(configStructs.GuiPortTapName, "p", defaultTapConfig.GuiPort, "Provide a custom port for the web interface webserver")
tapCmd.Flags().StringArrayP(configStructs.NamespacesTapName, "n", defaultTapConfig.Namespaces, "Namespaces selector")
tapCmd.Flags().Bool(configStructs.AnalysisTapName, defaultTapConfig.Analysis, "Uploads traffic to UP9 for further analysis (Beta)")
tapCmd.Flags().BoolP(configStructs.AllNamespacesTapName, "A", defaultTapConfig.AllNamespaces, "Tap all namespaces")
tapCmd.Flags().StringP(configStructs.KubeConfigPathTapName, "k", defaultTapConfig.KubeConfigPath, "Path to kube-config file")
tapCmd.Flags().StringArrayP(configStructs.PlainTextFilterRegexesTapName, "r", defaultTapConfig.PlainTextFilterRegexes, "List of regex expressions that are used to filter matching values from text/plain http bodies")
tapCmd.Flags().Bool(configStructs.HideHealthChecksTapName, defaultTapConfig.HideHealthChecks, "hides requests with kube-probe or prometheus user-agent headers")
tapCmd.Flags().Bool(configStructs.DisableRedactionTapName, defaultTapConfig.DisableRedaction, "Disables redaction of potentially sensitive request/response headers and body values")
tapCmd.Flags().String(configStructs.HumanMaxEntriesDBSizeTapName, defaultTapConfig.HumanMaxEntriesDBSize, "override the default max entries db size of 200mb")
tapCmd.Flags().String(configStructs.DirectionTapName, defaultTapConfig.Direction, "Record traffic that goes in this direction (relative to the tapped pod): in/any")
tapCmd.Flags().Bool(configStructs.DryRunTapName, defaultTapConfig.DryRun, "Preview of all pods matching the regex, without tapping them")
tapCmd.Flags().String(configStructs.EnforcePolicyFile, defaultTapConfig.EnforcePolicyFile, "Yaml file with policy rules")
}

View File

@@ -1,172 +1,217 @@
package cmd
import (
"bytes"
"context"
"encoding/json"
"fmt"
"github.com/up9inc/mizu/cli/fsUtils"
"net/http"
"net/url"
"os"
"os/signal"
"path"
"regexp"
"strings"
"syscall"
"time"
"github.com/up9inc/mizu/cli/errormessage"
"github.com/up9inc/mizu/cli/kubernetes"
"github.com/up9inc/mizu/cli/mizu"
"github.com/up9inc/mizu/cli/uiUtils"
"github.com/up9inc/mizu/shared"
"github.com/up9inc/mizu/shared/debounce"
yaml "gopkg.in/yaml.v3"
core "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/util/wait"
"k8s.io/client-go/tools/clientcmd"
"log"
"net/http"
"net/url"
"os"
"os/signal"
"regexp"
"syscall"
"time"
)
var mizuServiceAccountExists bool
var apiServerService *core.Service
const (
updateTappersDelay = 5 * time.Second
cleanupTimeout = time.Minute
updateTappersDelay = 5 * time.Second
)
var currentlyTappedPods []core.Pod
type tapState struct {
apiServerService *core.Service
currentlyTappedPods []core.Pod
mizuServiceAccountExists bool
doNotRemoveConfigMap bool
}
func RunMizuTap(podRegexQuery *regexp.Regexp, tappingOptions *MizuTapOptions) {
mizuApiFilteringOptions, err := getMizuApiFilteringOptions(tappingOptions)
var state tapState
func RunMizuTap() {
mizuApiFilteringOptions, err := getMizuApiFilteringOptions()
if err != nil {
mizu.Log.Errorf(uiUtils.Error, fmt.Sprintf("Error parsing regex-masking: %v", errormessage.FormatError(err)))
return
}
var mizuValidationRules string
if mizu.Config.Tap.EnforcePolicyFile != "" {
mizuValidationRules, err = readValidationRules(mizu.Config.Tap.EnforcePolicyFile)
if err != nil {
mizu.Log.Errorf(uiUtils.Error, fmt.Sprintf("Error reading policy file: %v", errormessage.FormatError(err)))
return
}
}
kubernetesProvider, err := kubernetes.NewProvider(mizu.Config.Tap.KubeConfigPath)
if err != nil {
mizu.Log.Error(err)
return
}
kubernetesProvider, err := kubernetes.NewProvider(tappingOptions.KubeConfigPath)
if err != nil {
if clientcmd.IsEmptyConfig(err) {
mizu.Log.Infof(uiUtils.Red, "Couldn't find the kube config file, or file is empty. Try adding '--kube-config=<path to kube config file>'\n")
return
}
if clientcmd.IsConfigurationInvalid(err) {
mizu.Log.Infof(uiUtils.Red, "Invalid kube config file. Try using a different config with '--kube-config=<path to kube config file>'\n")
return
}
}
defer cleanUpMizuResources(kubernetesProvider)
ctx, cancel := context.WithCancel(context.Background())
defer cancel() // cancel will be called when this function exits
targetNamespace := getNamespace(tappingOptions, kubernetesProvider)
if matchingPods, err := kubernetesProvider.GetAllPodsMatchingRegex(ctx, podRegexQuery, targetNamespace); err != nil {
mizu.Log.Infof("Error listing pods: %v", err)
return
} else {
currentlyTappedPods = matchingPods
}
targetNamespaces := getNamespaces(kubernetesProvider)
var namespacesStr string
if targetNamespace != mizu.K8sAllNamespaces {
namespacesStr = fmt.Sprintf("namespace \"%s\"", targetNamespace)
if targetNamespaces[0] != mizu.K8sAllNamespaces {
namespacesStr = fmt.Sprintf("namespaces \"%s\"", strings.Join(targetNamespaces, "\", \""))
} else {
namespacesStr = "all namespaces"
}
mizu.CheckNewerVersion()
mizu.Log.Infof("Tapping pods in %s", namespacesStr)
if len(currentlyTappedPods) == 0 {
if err, _ := updateCurrentlyTappedPods(kubernetesProvider, ctx, targetNamespaces); err != nil {
mizu.Log.Errorf(uiUtils.Error, fmt.Sprintf("Error getting pods by regex: %v", errormessage.FormatError(err)))
return
}
if len(state.currentlyTappedPods) == 0 {
var suggestionStr string
if targetNamespace != mizu.K8sAllNamespaces {
suggestionStr = "\nSelect a different namespace with -n or tap all namespaces with -A"
if targetNamespaces[0] != mizu.K8sAllNamespaces {
suggestionStr = ". Select a different namespace with -n or tap all namespaces with -A"
}
mizu.Log.Infof("Did not find any pods matching the regex argument%s", suggestionStr)
mizu.Log.Warningf(uiUtils.Warning, fmt.Sprintf("Did not find any pods matching the regex argument%s", suggestionStr))
}
nodeToTappedPodIPMap, err := getNodeHostToTappedPodIpsMap(currentlyTappedPods)
if err != nil {
if mizu.Config.Tap.DryRun {
return
}
if err := createMizuResources(ctx, kubernetesProvider, nodeToTappedPodIPMap, tappingOptions, mizuApiFilteringOptions); err != nil {
nodeToTappedPodIPMap := getNodeHostToTappedPodIpsMap(state.currentlyTappedPods)
defer cleanUpMizuResources(kubernetesProvider)
if err := createMizuResources(ctx, kubernetesProvider, nodeToTappedPodIPMap, mizuApiFilteringOptions, mizuValidationRules); err != nil {
mizu.Log.Errorf(uiUtils.Error, fmt.Sprintf("Error creating resources: %v", errormessage.FormatError(err)))
return
}
mizu.CheckNewerVersion()
go portForwardApiPod(ctx, kubernetesProvider, cancel, tappingOptions) // TODO convert this to job for built in pod ttl or have the running app handle this
go watchPodsForTapping(ctx, kubernetesProvider, cancel, podRegexQuery, tappingOptions)
go syncApiStatus(ctx, cancel, tappingOptions)
go createProxyToApiServerPod(ctx, kubernetesProvider, cancel)
go watchPodsForTapping(ctx, kubernetesProvider, targetNamespaces, cancel)
//block until exit signal or error
waitForFinish(ctx, cancel)
}
func createMizuResources(ctx context.Context, kubernetesProvider *kubernetes.Provider, nodeToTappedPodIPMap map[string][]string, tappingOptions *MizuTapOptions, mizuApiFilteringOptions *shared.TrafficFilteringOptions) error {
if err := createMizuNamespace(ctx, kubernetesProvider); err != nil {
func readValidationRules(file string) (string, error) {
rules, err := shared.DecodeEnforcePolicy(file)
if err != nil {
return "", err
}
newContent, _ := yaml.Marshal(&rules)
return string(newContent), nil
}
func createMizuResources(ctx context.Context, kubernetesProvider *kubernetes.Provider, nodeToTappedPodIPMap map[string][]string, mizuApiFilteringOptions *shared.TrafficFilteringOptions, mizuValidationRules string) error {
if !mizu.Config.IsNsRestrictedMode() {
if err := createMizuNamespace(ctx, kubernetesProvider); err != nil {
return err
}
}
if err := createMizuApiServer(ctx, kubernetesProvider, mizuApiFilteringOptions); err != nil {
return err
}
if err := createMizuApiServer(ctx, kubernetesProvider, tappingOptions, mizuApiFilteringOptions); err != nil {
if err := updateMizuTappers(ctx, kubernetesProvider, nodeToTappedPodIPMap); err != nil {
return err
}
if err := updateMizuTappers(ctx, kubernetesProvider, nodeToTappedPodIPMap, tappingOptions); err != nil {
return err
if err := createMizuConfigmap(ctx, kubernetesProvider, mizuValidationRules); err != nil {
mizu.Log.Warningf(uiUtils.Warning, fmt.Sprintf("Failed to create resources required for policy validation. Mizu will not validate policy rules. error: %v\n", errormessage.FormatError(err)))
state.doNotRemoveConfigMap = true
} else if mizuValidationRules == "" {
state.doNotRemoveConfigMap = true
}
return nil
}
func createMizuNamespace(ctx context.Context, kubernetesProvider *kubernetes.Provider) error {
_, err := kubernetesProvider.CreateNamespace(ctx, mizu.ResourcesNamespace)
if err != nil {
mizu.Log.Infof("Error creating Namespace %s: %v", mizu.ResourcesNamespace, err)
}
func createMizuConfigmap(ctx context.Context, kubernetesProvider *kubernetes.Provider, data string) error {
err := kubernetesProvider.CreateConfigMap(ctx, mizu.Config.MizuResourcesNamespace, mizu.ConfigMapName, data)
return err
}
func createMizuApiServer(ctx context.Context, kubernetesProvider *kubernetes.Provider, tappingOptions *MizuTapOptions, mizuApiFilteringOptions *shared.TrafficFilteringOptions) error {
func createMizuNamespace(ctx context.Context, kubernetesProvider *kubernetes.Provider) error {
_, err := kubernetesProvider.CreateNamespace(ctx, mizu.Config.MizuResourcesNamespace)
return err
}
func createMizuApiServer(ctx context.Context, kubernetesProvider *kubernetes.Provider, mizuApiFilteringOptions *shared.TrafficFilteringOptions) error {
var err error
mizuServiceAccountExists = createRBACIfNecessary(ctx, kubernetesProvider)
state.mizuServiceAccountExists, err = createRBACIfNecessary(ctx, kubernetesProvider)
if err != nil {
mizu.Log.Warningf(uiUtils.Warning, fmt.Sprintf("Failed to ensure the resources required for IP resolving. Mizu will not resolve target IPs to names. error: %v", errormessage.FormatError(err)))
}
var serviceAccountName string
if mizuServiceAccountExists {
if state.mizuServiceAccountExists {
serviceAccountName = mizu.ServiceAccountName
} else {
serviceAccountName = ""
}
_, err = kubernetesProvider.CreateMizuApiServerPod(ctx, mizu.ResourcesNamespace, mizu.ApiServerPodName, tappingOptions.MizuImage, serviceAccountName, mizuApiFilteringOptions, tappingOptions.MaxEntriesDBSizeBytes)
if err != nil {
mizu.Log.Infof("Error creating mizu %s pod: %v", mizu.ApiServerPodName, err)
return err
}
apiServerService, err = kubernetesProvider.CreateService(ctx, mizu.ResourcesNamespace, mizu.ApiServerPodName, mizu.ApiServerPodName)
opts := &kubernetes.ApiServerOptions{
Namespace: mizu.Config.MizuResourcesNamespace,
PodName: mizu.ApiServerPodName,
PodImage: mizu.Config.AgentImage,
ServiceAccountName: serviceAccountName,
IsNamespaceRestricted: mizu.Config.IsNsRestrictedMode(),
MizuApiFilteringOptions: mizuApiFilteringOptions,
MaxEntriesDBSizeBytes: mizu.Config.Tap.MaxEntriesDBSizeBytes(),
}
_, err = kubernetesProvider.CreateMizuApiServerPod(ctx, opts)
if err != nil {
mizu.Log.Infof("Error creating mizu %s service: %v", mizu.ApiServerPodName, err)
return err
}
mizu.Log.Debugf("Successfully created API server pod: %s", mizu.ApiServerPodName)
state.apiServerService, err = kubernetesProvider.CreateService(ctx, mizu.Config.MizuResourcesNamespace, mizu.ApiServerPodName, mizu.ApiServerPodName)
if err != nil {
return err
}
mizu.Log.Debugf("Successfully created service: %s", mizu.ApiServerPodName)
return nil
}
func getMizuApiFilteringOptions(tappingOptions *MizuTapOptions) (*shared.TrafficFilteringOptions, error) {
func getMizuApiFilteringOptions() (*shared.TrafficFilteringOptions, error) {
var compiledRegexSlice []*shared.SerializableRegexp
if tappingOptions.PlainTextFilterRegexes != nil && len(tappingOptions.PlainTextFilterRegexes) > 0 {
if mizu.Config.Tap.PlainTextFilterRegexes != nil && len(mizu.Config.Tap.PlainTextFilterRegexes) > 0 {
compiledRegexSlice = make([]*shared.SerializableRegexp, 0)
for _, regexStr := range tappingOptions.PlainTextFilterRegexes {
for _, regexStr := range mizu.Config.Tap.PlainTextFilterRegexes {
compiledRegex, err := shared.CompileRegexToSerializableRegexp(regexStr)
if err != nil {
mizu.Log.Infof("Regex %s is invalid: %v", regexStr, err)
return nil, err
}
compiledRegexSlice = append(compiledRegexSlice, compiledRegex)
}
}
return &shared.TrafficFilteringOptions{PlainTextMaskingRegexes: compiledRegexSlice, HideHealthChecks: tappingOptions.HideHealthChecks, DisableRedaction: tappingOptions.DisableRedaction}, nil
return &shared.TrafficFilteringOptions{PlainTextMaskingRegexes: compiledRegexSlice, HideHealthChecks: mizu.Config.Tap.HideHealthChecks, DisableRedaction: mizu.Config.Tap.DisableRedaction}, nil
}
func updateMizuTappers(ctx context.Context, kubernetesProvider *kubernetes.Provider, nodeToTappedPodIPMap map[string][]string, tappingOptions *MizuTapOptions) error {
func updateMizuTappers(ctx context.Context, kubernetesProvider *kubernetes.Provider, nodeToTappedPodIPMap map[string][]string) error {
if len(nodeToTappedPodIPMap) > 0 {
var serviceAccountName string
if mizuServiceAccountExists {
if state.mizuServiceAccountExists {
serviceAccountName = mizu.ServiceAccountName
} else {
serviceAccountName = ""
@@ -174,21 +219,20 @@ func updateMizuTappers(ctx context.Context, kubernetesProvider *kubernetes.Provi
if err := kubernetesProvider.ApplyMizuTapperDaemonSet(
ctx,
mizu.ResourcesNamespace,
mizu.Config.MizuResourcesNamespace,
mizu.TapperDaemonSetName,
tappingOptions.MizuImage,
mizu.Config.AgentImage,
mizu.TapperPodName,
fmt.Sprintf("%s.%s.svc.cluster.local", apiServerService.Name, apiServerService.Namespace),
fmt.Sprintf("%s.%s.svc.cluster.local", state.apiServerService.Name, state.apiServerService.Namespace),
nodeToTappedPodIPMap,
serviceAccountName,
tappingOptions.TapOutgoing,
mizu.Config.Tap.TapOutgoing(),
); err != nil {
mizu.Log.Infof("Error creating mizu tapper daemonset: %v", err)
return err
}
mizu.Log.Debugf("Successfully created %v tappers", len(nodeToTappedPodIPMap))
} else {
if err := kubernetesProvider.RemoveDaemonSet(ctx, mizu.ResourcesNamespace, mizu.TapperDaemonSetName); err != nil {
mizu.Log.Infof("Error deleting mizu tapper daemonset: %v", err)
if err := kubernetesProvider.RemoveDaemonSet(ctx, mizu.Config.MizuResourcesNamespace, mizu.TapperDaemonSetName); err != nil {
return err
}
}
@@ -197,61 +241,138 @@ func updateMizuTappers(ctx context.Context, kubernetesProvider *kubernetes.Provi
}
func cleanUpMizuResources(kubernetesProvider *kubernetes.Provider) {
mizu.Log.Infof("\nRemoving mizu resources\n")
removalCtx, cancel := context.WithTimeout(context.Background(), cleanupTimeout)
defer cancel()
if err := kubernetesProvider.RemoveNamespace(removalCtx, mizu.ResourcesNamespace); err != nil {
mizu.Log.Infof("Error removing Namespace %s: %s (%v,%+v)", mizu.ResourcesNamespace, err, err, err)
return
}
if mizuServiceAccountExists {
if err := kubernetesProvider.RemoveNonNamespacedResources(removalCtx, mizu.ClusterRoleName, mizu.ClusterRoleBindingName); err != nil {
mizu.Log.Infof("Error removing non-namespaced resources: %s (%v,%+v)", err, err, err)
return
if mizu.Config.DumpLogs {
mizuDir := mizu.GetMizuFolderPath()
filePath = path.Join(mizuDir, fmt.Sprintf("mizu_logs_%s.zip", time.Now().Format("2006_01_02__15_04_05")))
if err := fsUtils.DumpLogs(kubernetesProvider, removalCtx, filePath); err != nil {
mizu.Log.Errorf("Failed dump logs %v", err)
}
}
mizu.Log.Infof("\nRemoving mizu resources\n")
if !mizu.Config.IsNsRestrictedMode() {
if err := kubernetesProvider.RemoveNamespace(removalCtx, mizu.Config.MizuResourcesNamespace); err != nil {
mizu.Log.Errorf(uiUtils.Error, fmt.Sprintf("Error removing Namespace %s: %v", mizu.Config.MizuResourcesNamespace, errormessage.FormatError(err)))
return
}
} else {
if err := kubernetesProvider.RemovePod(removalCtx, mizu.Config.MizuResourcesNamespace, mizu.ApiServerPodName); err != nil {
mizu.Log.Errorf(uiUtils.Error, fmt.Sprintf("Error removing Pod %s in namespace %s: %v", mizu.ApiServerPodName, mizu.Config.MizuResourcesNamespace, errormessage.FormatError(err)))
}
if err := kubernetesProvider.RemoveService(removalCtx, mizu.Config.MizuResourcesNamespace, mizu.ApiServerPodName); err != nil {
mizu.Log.Errorf(uiUtils.Error, fmt.Sprintf("Error removing Service %s in namespace %s: %v", mizu.ApiServerPodName, mizu.Config.MizuResourcesNamespace, errormessage.FormatError(err)))
}
if err := kubernetesProvider.RemoveDaemonSet(removalCtx, mizu.Config.MizuResourcesNamespace, mizu.TapperDaemonSetName); err != nil {
mizu.Log.Errorf(uiUtils.Error, fmt.Sprintf("Error removing DaemonSet %s in namespace %s: %v", mizu.TapperDaemonSetName, mizu.Config.MizuResourcesNamespace, errormessage.FormatError(err)))
}
if !state.doNotRemoveConfigMap {
if err := kubernetesProvider.RemoveConfigMap(removalCtx, mizu.Config.MizuResourcesNamespace, mizu.ConfigMapName); err != nil {
mizu.Log.Errorf(uiUtils.Error, fmt.Sprintf("Error removing ConfigMap %s in namespace %s: %v", mizu.ConfigMapName, mizu.Config.MizuResourcesNamespace, errormessage.FormatError(err)))
}
}
}
if state.mizuServiceAccountExists {
if !mizu.Config.IsNsRestrictedMode() {
if err := kubernetesProvider.RemoveNonNamespacedResources(removalCtx, mizu.ClusterRoleName, mizu.ClusterRoleBindingName); err != nil {
mizu.Log.Errorf(uiUtils.Error, fmt.Sprintf("Error removing non-namespaced resources: %v", errormessage.FormatError(err)))
return
}
} else {
if err := kubernetesProvider.RemoveServicAccount(removalCtx, mizu.Config.MizuResourcesNamespace, mizu.ServiceAccountName); err != nil {
mizu.Log.Errorf(uiUtils.Error, fmt.Sprintf("Error removing Service Account %s in namespace %s: %v", mizu.ServiceAccountName, mizu.Config.MizuResourcesNamespace, errormessage.FormatError(err)))
return
}
if err := kubernetesProvider.RemoveRole(removalCtx, mizu.Config.MizuResourcesNamespace, mizu.RoleName); err != nil {
mizu.Log.Errorf(uiUtils.Error, fmt.Sprintf("Error removing Role %s in namespace %s: %v", mizu.RoleName, mizu.Config.MizuResourcesNamespace, errormessage.FormatError(err)))
}
if err := kubernetesProvider.RemoveRoleBinding(removalCtx, mizu.Config.MizuResourcesNamespace, mizu.RoleBindingName); err != nil {
mizu.Log.Errorf(uiUtils.Error, fmt.Sprintf("Error removing RoleBinding %s in namespace %s: %v", mizu.RoleBindingName, mizu.Config.MizuResourcesNamespace, errormessage.FormatError(err)))
}
}
}
if !mizu.Config.IsNsRestrictedMode() {
waitUntilNamespaceDeleted(removalCtx, cancel, kubernetesProvider)
}
}
func waitUntilNamespaceDeleted(ctx context.Context, cancel context.CancelFunc, kubernetesProvider *kubernetes.Provider) {
// Call cancel if a terminating signal was received. Allows user to skip the wait.
go func() {
waitForFinish(removalCtx, cancel)
waitForFinish(ctx, cancel)
}()
if err := kubernetesProvider.WaitUtilNamespaceDeleted(removalCtx, mizu.ResourcesNamespace); err != nil {
if err := kubernetesProvider.WaitUtilNamespaceDeleted(ctx, mizu.Config.MizuResourcesNamespace); err != nil {
switch {
case removalCtx.Err() == context.Canceled:
case ctx.Err() == context.Canceled:
// Do nothing. User interrupted the wait.
case err == wait.ErrWaitTimeout:
mizu.Log.Infof("Timeout while removing Namespace %s", mizu.ResourcesNamespace)
mizu.Log.Errorf(uiUtils.Error, fmt.Sprintf("Timeout while removing Namespace %s", mizu.Config.MizuResourcesNamespace))
default:
mizu.Log.Infof("Error while waiting for Namespace %s to be deleted: %s (%v,%+v)", mizu.ResourcesNamespace, err, err, err)
mizu.Log.Errorf(uiUtils.Error, fmt.Sprintf("Error while waiting for Namespace %s to be deleted: %v", mizu.Config.MizuResourcesNamespace, errormessage.FormatError(err)))
}
}
}
func watchPodsForTapping(ctx context.Context, kubernetesProvider *kubernetes.Provider, cancel context.CancelFunc, podRegex *regexp.Regexp, tappingOptions *MizuTapOptions) {
targetNamespace := getNamespace(tappingOptions, kubernetesProvider)
func reportTappedPods() {
mizuProxiedUrl := kubernetes.GetMizuApiServerProxiedHostAndPath(mizu.Config.Fetch.MizuPort)
tappedPodsUrl := fmt.Sprintf("http://%s/status/tappedPods", mizuProxiedUrl)
added, modified, removed, errorChan := kubernetes.FilteredWatch(ctx, kubernetesProvider.GetPodWatcher(ctx, targetNamespace), podRegex)
podInfos := make([]shared.PodInfo, 0)
for _, pod := range state.currentlyTappedPods {
podInfos = append(podInfos, shared.PodInfo{Name: pod.Name, Namespace: pod.Namespace})
}
tapStatus := shared.TapStatus{Pods: podInfos}
if jsonValue, err := json.Marshal(tapStatus); err != nil {
mizu.Log.Debugf("[ERROR] failed Marshal the tapped pods %v", err)
} else {
if response, err := http.Post(tappedPodsUrl, "application/json", bytes.NewBuffer(jsonValue)); err != nil {
mizu.Log.Debugf("[ERROR] failed sending to API server the tapped pods %v", err)
} else if response.StatusCode != 200 {
mizu.Log.Debugf("[ERROR] failed sending to API server the tapped pods, response status code %v", response.StatusCode)
} else {
mizu.Log.Debugf("Reported to server API about %d taped pods successfully", len(podInfos))
}
}
}
func watchPodsForTapping(ctx context.Context, kubernetesProvider *kubernetes.Provider, targetNamespaces []string, cancel context.CancelFunc) {
added, modified, removed, errorChan := kubernetes.FilteredWatch(ctx, kubernetesProvider, targetNamespaces, mizu.Config.Tap.PodRegex())
restartTappers := func() {
if matchingPods, err := kubernetesProvider.GetAllPodsMatchingRegex(ctx, podRegex, targetNamespace); err != nil {
mizu.Log.Infof("Error getting pods by regex: %s (%v,%+v)", err, err, err)
cancel()
} else {
currentlyTappedPods = matchingPods
}
nodeToTappedPodIPMap, err := getNodeHostToTappedPodIpsMap(currentlyTappedPods)
err, changeFound := updateCurrentlyTappedPods(kubernetesProvider, ctx, targetNamespaces)
if err != nil {
mizu.Log.Infof("Error building node to ips map: %s (%v,%+v)", err, err, err)
mizu.Log.Errorf(uiUtils.Error, fmt.Sprintf("Failed to update currently tapped pods: %v", err))
cancel()
}
if err := updateMizuTappers(ctx, kubernetesProvider, nodeToTappedPodIPMap, tappingOptions); err != nil {
mizu.Log.Infof("Error updating daemonset: %s (%v,%+v)", err, err, err)
if !changeFound {
mizu.Log.Debugf("Nothing changed update tappers not needed")
return
}
reportTappedPods()
nodeToTappedPodIPMap := getNodeHostToTappedPodIpsMap(state.currentlyTappedPods)
if err != nil {
mizu.Log.Errorf(uiUtils.Error, fmt.Sprintf("Error building node to ips map: %v", errormessage.FormatError(err)))
cancel()
}
if err := updateMizuTappers(ctx, kubernetesProvider, nodeToTappedPodIPMap); err != nil {
mizu.Log.Errorf(uiUtils.Error, fmt.Sprintf("Error updating daemonset: %v", errormessage.FormatError(err)))
cancel()
}
}
@@ -259,109 +380,177 @@ func watchPodsForTapping(ctx context.Context, kubernetesProvider *kubernetes.Pro
for {
select {
case newTarget := <-added:
mizu.Log.Infof(uiUtils.Green, fmt.Sprintf("+%s", newTarget.Name))
case removedTarget := <-removed:
mizu.Log.Infof(uiUtils.Red, fmt.Sprintf("-%s", removedTarget.Name))
case pod := <-added:
mizu.Log.Debugf("Added matching pod %s, ns: %s", pod.Name, pod.Namespace)
restartTappersDebouncer.SetOn()
case modifiedTarget := <-modified:
case pod := <-removed:
mizu.Log.Debugf("Removed matching pod %s, ns: %s", pod.Name, pod.Namespace)
restartTappersDebouncer.SetOn()
case pod := <-modified:
mizu.Log.Debugf("Modified matching pod %s, ns: %s, phase: %s, ip: %s", pod.Name, pod.Namespace, pod.Status.Phase, pod.Status.PodIP)
// Act only if the modified pod has already obtained an IP address.
// After filtering for IPs, on a normal pod restart this includes the following events:
// - Pod deletion
// - Pod reaches start state
// - Pod reaches ready state
// Ready/unready transitions might also trigger this event.
if modifiedTarget.Status.PodIP != "" {
if pod.Status.PodIP != "" {
restartTappersDebouncer.SetOn()
}
case <-errorChan:
case err := <-errorChan:
mizu.Log.Debugf("Watching pods loop, got error %v, stopping restart tappers debouncer", err)
restartTappersDebouncer.Cancel()
// TODO: Does this also perform cleanup?
cancel()
case <-ctx.Done():
mizu.Log.Debugf("Watching pods loop, context done, stopping restart tappers debouncer")
restartTappersDebouncer.Cancel()
return
}
}
}
func portForwardApiPod(ctx context.Context, kubernetesProvider *kubernetes.Provider, cancel context.CancelFunc, tappingOptions *MizuTapOptions) {
func updateCurrentlyTappedPods(kubernetesProvider *kubernetes.Provider, ctx context.Context, targetNamespaces []string) (error, bool) {
changeFound := false
if matchingPods, err := kubernetesProvider.ListAllRunningPodsMatchingRegex(ctx, mizu.Config.Tap.PodRegex(), targetNamespaces); err != nil {
return err, false
} else {
addedPods, removedPods := getPodArrayDiff(state.currentlyTappedPods, matchingPods)
for _, addedPod := range addedPods {
changeFound = true
mizu.Log.Infof(uiUtils.Green, fmt.Sprintf("+%s", addedPod.Name))
}
for _, removedPod := range removedPods {
changeFound = true
mizu.Log.Infof(uiUtils.Red, fmt.Sprintf("-%s", removedPod.Name))
}
state.currentlyTappedPods = matchingPods
}
return nil, changeFound
}
func getPodArrayDiff(oldPods []core.Pod, newPods []core.Pod) (added []core.Pod, removed []core.Pod) {
added = getMissingPods(newPods, oldPods)
removed = getMissingPods(oldPods, newPods)
return added, removed
}
//returns pods present in pods1 array and missing in pods2 array
func getMissingPods(pods1 []core.Pod, pods2 []core.Pod) []core.Pod {
missingPods := make([]core.Pod, 0)
for _, pod1 := range pods1 {
var found = false
for _, pod2 := range pods2 {
if pod1.UID == pod2.UID {
found = true
break
}
}
if !found {
missingPods = append(missingPods, pod1)
}
}
return missingPods
}
func createProxyToApiServerPod(ctx context.Context, kubernetesProvider *kubernetes.Provider, cancel context.CancelFunc) {
podExactRegex := regexp.MustCompile(fmt.Sprintf("^%s$", mizu.ApiServerPodName))
added, modified, removed, errorChan := kubernetes.FilteredWatch(ctx, kubernetesProvider.GetPodWatcher(ctx, mizu.ResourcesNamespace), podExactRegex)
added, modified, removed, errorChan := kubernetes.FilteredWatch(ctx, kubernetesProvider, []string{mizu.Config.MizuResourcesNamespace}, podExactRegex)
isPodReady := false
timeAfter := time.After(25 * time.Second)
for {
select {
case <-ctx.Done():
return
case <-added:
mizu.Log.Debugf("Got agent pod added event")
continue
case <-removed:
mizu.Log.Infof("%s removed", mizu.ApiServerPodName)
cancel()
return
case modifiedPod := <-modified:
if modifiedPod.Status.Phase == "Running" && !isPodReady {
if modifiedPod == nil {
mizu.Log.Debugf("Got agent pod modified event, status phase: %v", modifiedPod.Status.Phase)
continue
}
mizu.Log.Debugf("Got agent pod modified event, status phase: %v", modifiedPod.Status.Phase)
if modifiedPod.Status.Phase == core.PodRunning && !isPodReady {
isPodReady = true
go func() {
err := kubernetes.StartProxy(kubernetesProvider, tappingOptions.GuiPort, mizu.ResourcesNamespace, mizu.ApiServerPodName)
err := kubernetes.StartProxy(kubernetesProvider, mizu.Config.Tap.GuiPort, mizu.Config.MizuResourcesNamespace, mizu.ApiServerPodName)
if err != nil {
mizu.Log.Infof("Error occured while running k8s proxy %v", err)
mizu.Log.Errorf(uiUtils.Error, fmt.Sprintf("Error occured while running k8s proxy %v", errormessage.FormatError(err)))
cancel()
}
}()
mizuProxiedUrl := kubernetes.GetMizuApiServerProxiedHostAndPath(tappingOptions.GuiPort)
mizu.Log.Infof("Mizu is available at http://%s", mizuProxiedUrl)
mizuProxiedUrl := kubernetes.GetMizuApiServerProxiedHostAndPath(mizu.Config.Tap.GuiPort)
mizu.Log.Infof("Mizu is available at http://%s\n", mizuProxiedUrl)
time.Sleep(time.Second * 5) // Waiting to be sure the proxy is ready
if tappingOptions.Analysis {
urlPath := fmt.Sprintf("http://%s/api/uploadEntries?dest=%s&interval=%v", mizuProxiedUrl, url.QueryEscape(tappingOptions.AnalysisDestination), tappingOptions.SleepIntervalSec)
u, err := url.ParseRequestURI(urlPath)
if err != nil {
log.Fatal(fmt.Sprintf("Failed parsing the URL %v\n", err))
}
mizu.Log.Debugf("Sending get request to %v", u.String())
if response, err := http.Get(u.String()); err != nil || response.StatusCode != 200 {
mizu.Log.Infof("error sending upload entries req, status code: %v, err: %v", response.StatusCode, err)
} else {
mizu.Log.Infof(uiUtils.Purple, "Traffic is uploading to UP9 for further analysis")
}
}
requestForAnalysis()
reportTappedPods()
}
case <-timeAfter:
if !isPodReady {
mizu.Log.Infof("error: %s pod was not ready in time", mizu.ApiServerPodName)
mizu.Log.Errorf(uiUtils.Error, "Mizu API server was not ready in time")
cancel()
}
case <-errorChan:
mizu.Log.Debugf("[ERROR] Agent creation, watching %v namespace", mizu.Config.MizuResourcesNamespace)
cancel()
}
}
}
func createRBACIfNecessary(ctx context.Context, kubernetesProvider *kubernetes.Provider) bool {
mizuRBACExists, err := kubernetesProvider.DoesServiceAccountExist(ctx, mizu.ResourcesNamespace, mizu.ServiceAccountName)
if err != nil {
mizu.Log.Infof("warning: could not ensure mizu rbac resources exist %v", err)
return false
func requestForAnalysis() {
if !mizu.Config.Tap.Analysis {
return
}
if !mizuRBACExists {
err := kubernetesProvider.CreateMizuRBAC(ctx, mizu.ResourcesNamespace, mizu.ServiceAccountName, mizu.ClusterRoleName, mizu.ClusterRoleBindingName, mizu.RBACVersion)
if err != nil {
mizu.Log.Infof("warning: could not create mizu rbac resources %v", err)
return false
}
mizuProxiedUrl := kubernetes.GetMizuApiServerProxiedHostAndPath(mizu.Config.Tap.GuiPort)
urlPath := fmt.Sprintf("http://%s/api/uploadEntries?dest=%s&interval=%v", mizuProxiedUrl, url.QueryEscape(mizu.Config.Tap.AnalysisDestination), mizu.Config.Tap.SleepIntervalSec)
u, parseErr := url.ParseRequestURI(urlPath)
if parseErr != nil {
mizu.Log.Fatal("Failed parsing the URL (consider changing the analysis dest URL), err: %v", parseErr)
}
mizu.Log.Debugf("Sending get request to %v", u.String())
if response, requestErr := http.Get(u.String()); requestErr != nil {
mizu.Log.Errorf("Failed to notify agent for analysis, err: %v", requestErr)
} else if response.StatusCode != 200 {
mizu.Log.Errorf("Failed to notify agent for analysis, status code: %v", response.StatusCode)
} else {
mizu.Log.Infof(uiUtils.Purple, "Traffic is uploading to UP9 for further analysis")
}
return true
}
func getNodeHostToTappedPodIpsMap(tappedPods []core.Pod) (map[string][]string, error) {
func createRBACIfNecessary(ctx context.Context, kubernetesProvider *kubernetes.Provider) (bool, error) {
mizuRBACExists, err := kubernetesProvider.DoesServiceAccountExist(ctx, mizu.Config.MizuResourcesNamespace, mizu.ServiceAccountName)
if err != nil {
return false, err
}
if !mizuRBACExists {
if !mizu.Config.IsNsRestrictedMode() {
err := kubernetesProvider.CreateMizuRBAC(ctx, mizu.Config.MizuResourcesNamespace, mizu.ServiceAccountName, mizu.ClusterRoleName, mizu.ClusterRoleBindingName, mizu.RBACVersion)
if err != nil {
return false, err
}
} else {
err := kubernetesProvider.CreateMizuRBACNamespaceRestricted(ctx, mizu.Config.MizuResourcesNamespace, mizu.ServiceAccountName, mizu.RoleName, mizu.RoleBindingName, mizu.RBACVersion)
if err != nil {
return false, err
}
}
}
return true, nil
}
func getNodeHostToTappedPodIpsMap(tappedPods []core.Pod) map[string][]string {
nodeToTappedPodIPMap := make(map[string][]string, 0)
for _, pod := range tappedPods {
existingList := nodeToTappedPodIPMap[pod.Spec.NodeName]
@@ -371,7 +560,7 @@ func getNodeHostToTappedPodIpsMap(tappedPods []core.Pod) (map[string][]string, e
nodeToTappedPodIPMap[pod.Spec.NodeName] = append(nodeToTappedPodIPMap[pod.Spec.NodeName], pod.Status.PodIP)
}
}
return nodeToTappedPodIPMap, nil
return nodeToTappedPodIPMap
}
func waitForFinish(ctx context.Context, cancel context.CancelFunc) {
@@ -387,35 +576,12 @@ func waitForFinish(ctx context.Context, cancel context.CancelFunc) {
}
}
func syncApiStatus(ctx context.Context, cancel context.CancelFunc, tappingOptions *MizuTapOptions) {
controlSocketStr := fmt.Sprintf("ws://%s/ws", kubernetes.GetMizuApiServerProxiedHostAndPath(tappingOptions.GuiPort))
controlSocket, err := mizu.CreateControlSocket(controlSocketStr)
if err != nil {
mizu.Log.Infof("error establishing control socket connection %s", err)
cancel()
}
for {
select {
case <-ctx.Done():
return
default:
err = controlSocket.SendNewTappedPodsListMessage(currentlyTappedPods)
if err != nil {
mizu.Log.Debugf("error Sending message via control socket %v, error: %s", controlSocketStr, err)
}
time.Sleep(10 * time.Second)
}
}
}
func getNamespace(tappingOptions *MizuTapOptions, kubernetesProvider *kubernetes.Provider) string {
if tappingOptions.AllNamespaces {
return mizu.K8sAllNamespaces
} else if len(tappingOptions.Namespace) > 0 {
return tappingOptions.Namespace
func getNamespaces(kubernetesProvider *kubernetes.Provider) []string {
if mizu.Config.Tap.AllNamespaces {
return []string{mizu.K8sAllNamespaces}
} else if len(mizu.Config.Tap.Namespaces) > 0 {
return mizu.Config.Tap.Namespaces
} else {
return kubernetesProvider.CurrentNamespace()
return []string{kubernetesProvider.CurrentNamespace()}
}
}

View File

@@ -1,24 +1,21 @@
package cmd
import (
"github.com/spf13/cobra"
"github.com/up9inc/mizu/cli/mizu"
"strconv"
"time"
"github.com/creasty/defaults"
"github.com/spf13/cobra"
"github.com/up9inc/mizu/cli/mizu"
"github.com/up9inc/mizu/cli/mizu/configStructs"
)
type MizuVersionOptions struct {
DebugInfo bool
}
var mizuVersionOptions = &MizuVersionOptions{}
var versionCmd = &cobra.Command{
Use: "version",
Short: "Print version info",
RunE: func(cmd *cobra.Command, args []string) error {
go mizu.ReportRun("version", mizuVersionOptions)
if mizuVersionOptions.DebugInfo {
go mizu.ReportRun("version", mizu.Config.Version)
if mizu.Config.Version.DebugInfo {
timeStampInt, _ := strconv.ParseInt(mizu.BuildTimestamp, 10, 0)
mizu.Log.Infof("Version: %s \nBranch: %s (%s)", mizu.SemVer, mizu.Branch, mizu.GitCommitHash)
mizu.Log.Infof("Build Time: %s (%s)", mizu.BuildTimestamp, time.Unix(timeStampInt, 0))
@@ -33,6 +30,9 @@ var versionCmd = &cobra.Command{
func init() {
rootCmd.AddCommand(versionCmd)
versionCmd.Flags().BoolVarP(&mizuVersionOptions.DebugInfo, "debug", "d", false, "Provide all information about version")
defaultVersionConfig := configStructs.VersionConfig{}
defaults.Set(&defaultVersionConfig)
versionCmd.Flags().BoolP(configStructs.DebugInfoVersionName, "d", defaultVersionConfig.DebugInfo, "Provide all information about version")
}

View File

@@ -1,28 +1,23 @@
package cmd
import (
"github.com/creasty/defaults"
"github.com/spf13/cobra"
"github.com/up9inc/mizu/cli/mizu"
"github.com/up9inc/mizu/cli/mizu/configStructs"
)
type MizuViewOptions struct {
GuiPort uint16
KubeConfigPath string
}
var mizuViewOptions = &MizuViewOptions{}
var viewCmd = &cobra.Command{
Use: "view",
Short: "Open GUI in browser",
RunE: func(cmd *cobra.Command, args []string) error {
go mizu.ReportRun("view", mizuViewOptions)
if isCompatible, err := mizu.CheckVersionCompatibility(mizuViewOptions.GuiPort); err != nil {
go mizu.ReportRun("view", mizu.Config.View)
if isCompatible, err := mizu.CheckVersionCompatibility(mizu.Config.View.GuiPort); err != nil {
return err
} else if !isCompatible {
return nil
}
runMizuView(mizuViewOptions)
runMizuView()
return nil
},
}
@@ -30,6 +25,9 @@ var viewCmd = &cobra.Command{
func init() {
rootCmd.AddCommand(viewCmd)
viewCmd.Flags().Uint16VarP(&mizuViewOptions.GuiPort, "gui-port", "p", 8899, "Provide a custom port for the web interface webserver")
viewCmd.Flags().StringVarP(&mizuViewOptions.KubeConfigPath, "kube-config", "k", "", "Path to kube-config file")
defaultViewConfig := configStructs.ViewConfig{}
defaults.Set(&defaultViewConfig)
viewCmd.Flags().Uint16P(configStructs.GuiPortViewName, "p", defaultViewConfig.GuiPort, "Provide a custom port for the web interface webserver")
viewCmd.Flags().StringP(configStructs.KubeConfigPathViewName, "k", defaultViewConfig.KubeConfigPath, "Path to kube-config file")
}

View File

@@ -5,28 +5,20 @@ import (
"fmt"
"github.com/up9inc/mizu/cli/kubernetes"
"github.com/up9inc/mizu/cli/mizu"
"github.com/up9inc/mizu/cli/uiUtils"
"k8s.io/client-go/tools/clientcmd"
"net/http"
)
func runMizuView(mizuViewOptions *MizuViewOptions) {
kubernetesProvider, err := kubernetes.NewProvider(mizuViewOptions.KubeConfigPath)
func runMizuView() {
kubernetesProvider, err := kubernetes.NewProvider(mizu.Config.View.KubeConfigPath)
if err != nil {
if clientcmd.IsEmptyConfig(err) {
mizu.Log.Infof("Couldn't find the kube config file, or file is empty. Try adding '--kube-config=<path to kube config file>'")
return
}
if clientcmd.IsConfigurationInvalid(err) {
mizu.Log.Infof(uiUtils.Red, "Invalid kube config file. Try using a different config with '--kube-config=<path to kube config file>'")
return
}
mizu.Log.Error(err)
return
}
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
exists, err := kubernetesProvider.DoesServicesExist(ctx, mizu.ResourcesNamespace, mizu.ApiServerPodName)
exists, err := kubernetesProvider.DoesServicesExist(ctx, mizu.Config.MizuResourcesNamespace, mizu.ApiServerPodName)
if err != nil {
panic(err)
}
@@ -35,16 +27,16 @@ func runMizuView(mizuViewOptions *MizuViewOptions) {
return
}
mizuProxiedUrl := kubernetes.GetMizuApiServerProxiedHostAndPath(mizuViewOptions.GuiPort)
mizuProxiedUrl := kubernetes.GetMizuApiServerProxiedHostAndPath(mizu.Config.View.GuiPort)
_, err = http.Get(fmt.Sprintf("http://%s/", mizuProxiedUrl))
if err == nil {
mizu.Log.Infof("Found a running service %s and open port %d", mizu.ApiServerPodName, mizuViewOptions.GuiPort)
mizu.Log.Infof("Found a running service %s and open port %d", mizu.ApiServerPodName, mizu.Config.View.GuiPort)
return
}
mizu.Log.Infof("Found service %s, creating k8s proxy", mizu.ApiServerPodName)
mizu.Log.Infof("Mizu is available at http://%s\n", kubernetes.GetMizuApiServerProxiedHostAndPath(mizuViewOptions.GuiPort))
err = kubernetes.StartProxy(kubernetesProvider, mizuViewOptions.GuiPort, mizu.ResourcesNamespace, mizu.ApiServerPodName)
mizu.Log.Infof("Mizu is available at http://%s\n", kubernetes.GetMizuApiServerProxiedHostAndPath(mizu.Config.View.GuiPort))
err = kubernetes.StartProxy(kubernetesProvider, mizu.Config.View.GuiPort, mizu.Config.MizuResourcesNamespace, mizu.ApiServerPodName)
if err != nil {
mizu.Log.Infof("Error occured while running k8s proxy %v", err)
}

View File

@@ -0,0 +1,34 @@
package errormessage
import (
"errors"
"fmt"
"github.com/up9inc/mizu/cli/mizu"
regexpsyntax "regexp/syntax"
k8serrors "k8s.io/apimachinery/pkg/api/errors"
)
// formatError wraps error with a detailed message that is meant for the user.
// While the errors are meant to be displayed, they are not meant to be exported as classes outsite of CLI.
func FormatError(err error) error {
var errorNew error
if k8serrors.IsForbidden(err) {
errorNew = fmt.Errorf("insufficient permissions: %w. "+
"supply the required permission or control Mizu's access to namespaces by setting MizuResourcesNamespace "+
"in the config file or setting the tapped namespace with --%s %s=<NAMEPSACE>", err, mizu.SetCommandName, mizu.MizuResourcesNamespaceConfigName)
} else if syntaxError, isSyntaxError := asRegexSyntaxError(err); isSyntaxError {
errorNew = fmt.Errorf("regex %s is invalid: %w", syntaxError.Expr, err)
} else {
errorNew = err
}
return errorNew
}
func asRegexSyntaxError(err error) (*regexpsyntax.Error, bool) {
var syntaxError *regexpsyntax.Error
return syntaxError, errors.As(err, &syntaxError)
}

26
cli/fsUtils/dirUtils.go Normal file
View File

@@ -0,0 +1,26 @@
package fsUtils
import (
"errors"
"fmt"
"os"
)
func EnsureDir(dirName string) error {
err := os.Mkdir(dirName, 0700)
if err == nil {
return nil
}
if os.IsExist(err) {
// check that the existing path is a directory
info, err := os.Stat(dirName)
if err != nil {
return err
}
if !info.IsDir() {
return errors.New(fmt.Sprintf("path exists but is not a directory: %s", dirName))
}
return nil
}
return err
}

View File

@@ -0,0 +1,58 @@
package fsUtils
import (
"archive/zip"
"context"
"fmt"
"github.com/up9inc/mizu/cli/kubernetes"
"github.com/up9inc/mizu/cli/mizu"
"os"
"regexp"
)
func DumpLogs(provider *kubernetes.Provider, ctx context.Context, filePath string) error {
podExactRegex := regexp.MustCompile(fmt.Sprintf("^mizu-"))
pods, err := provider.ListAllPodsMatchingRegex(ctx, podExactRegex, []string{mizu.Config.MizuResourcesNamespace})
if err != nil {
return err
}
if len(pods) == 0 {
return fmt.Errorf("no pods found in namespace %s", mizu.Config.MizuResourcesNamespace)
}
newZipFile, err := os.Create(filePath)
if err != nil {
return err
}
defer newZipFile.Close()
zipWriter := zip.NewWriter(newZipFile)
defer zipWriter.Close()
for _, pod := range pods {
logs, err := provider.GetPodLogs(pod.Namespace, pod.Name, ctx)
if err != nil {
mizu.Log.Errorf("Failed to get logs, %v", err)
continue
} else {
mizu.Log.Debugf("Successfully read log length %d for pod: %s.%s", len(logs), pod.Namespace, pod.Name)
}
if err := AddStrToZip(zipWriter, logs, fmt.Sprintf("%s.%s.log", pod.Namespace, pod.Name)); err != nil {
mizu.Log.Errorf("Failed write logs, %v", err)
} else {
mizu.Log.Infof("Successfully added log length %d from pod: %s.%s", len(logs), pod.Namespace, pod.Name)
}
}
if err := AddFileToZip(zipWriter, mizu.GetConfigFilePath()); err != nil {
mizu.Log.Debugf("Failed write file, %v", err)
} else {
mizu.Log.Infof("Successfully added file %s", mizu.GetConfigFilePath())
}
if err := AddFileToZip(zipWriter, mizu.GetLogFilePath()); err != nil {
mizu.Log.Errorf("Failed write file, %v", err)
} else {
mizu.Log.Infof("Successfully added file %s", mizu.GetLogFilePath())
}
mizu.Log.Infof("You can find the zip with all logs in %s\n", filePath)
return nil
}

55
cli/fsUtils/zipUtils.go Normal file
View File

@@ -0,0 +1,55 @@
package fsUtils
import (
"archive/zip"
"fmt"
"io"
"os"
"path/filepath"
)
func AddFileToZip(zipWriter *zip.Writer, filename string) error {
fileToZip, err := os.Open(filename)
if err != nil {
return fmt.Errorf("failed to open file %s, %w", filename, err)
}
defer fileToZip.Close()
// Get the file information
info, err := fileToZip.Stat()
if err != nil {
return fmt.Errorf("failed to get file information %s, %w", filename, err)
}
header, err := zip.FileInfoHeader(info)
if err != nil {
return err
}
// Using FileInfoHeader() above only uses the basename of the file. If we want
// to preserve the folder structure we can overwrite this with the full path.
header.Name = filepath.Base(filename)
// Change to deflate to gain better compression
// see http://golang.org/pkg/archive/zip/#pkg-constants
header.Method = zip.Deflate
writer, err := zipWriter.CreateHeader(header)
if err != nil {
return fmt.Errorf("failed to create header in zip for %s, %w", filename, err)
}
_, err = io.Copy(writer, fileToZip)
return err
}
func AddStrToZip(writer *zip.Writer, logs string, fileName string) error {
if zipFile, err := writer.Create(fileName); err != nil {
return fmt.Errorf("couldn't create a log file inside zip for %s, %w", fileName, err)
} else {
if _, err = zipFile.Write([]byte(logs)); err != nil {
return fmt.Errorf("couldn't write logs to zip file: %s, %w", fileName, err)
}
}
return nil
}

View File

@@ -3,10 +3,12 @@ module github.com/up9inc/mizu/cli
go 1.16
require (
github.com/creasty/defaults v1.5.1
github.com/google/go-github/v37 v37.0.0
github.com/gorilla/websocket v1.4.2
github.com/op/go-logging v0.0.0-20160315200505-970db520ece7
github.com/spf13/cobra v1.1.3
github.com/spf13/pflag v1.0.5
github.com/up9inc/mizu/shared v0.0.0
gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b
k8s.io/api v0.21.2

View File

@@ -82,6 +82,8 @@ github.com/coreos/pkg v0.0.0-20180928190104-399ea9e2e55f/go.mod h1:E3G3o1h8I7cfc
github.com/cpuguy83/go-md2man/v2 v2.0.0/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
github.com/creack/pty v1.1.11/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
github.com/creasty/defaults v1.5.1 h1:j8WexcS3d/t4ZmllX4GEkl4wIB/trOr035ajcLHCISM=
github.com/creasty/defaults v1.5.1/go.mod h1:FPZ+Y0WNrbqOVw+c6av63eyHUAl6pMHZwqLPvXUZGfY=
github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
@@ -215,6 +217,7 @@ github.com/google/go-querystring v1.0.0/go.mod h1:odCYkC5MyYFN7vkCjXpyrEuKhc/BUO
github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
github.com/google/gofuzz v1.1.0 h1:Hsa8mG0dQ46ij8Sl2AYJDUv1oA9/d6Vk+3LG99Oe02g=
github.com/google/gofuzz v1.1.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
github.com/google/martian v2.1.0+incompatible h1:/CP5g8u/VJHijgedC/Legn3BAbAaWPgecwXBIDzw5no=
github.com/google/martian v2.1.0+incompatible/go.mod h1:9I4somxYTbIHy5NJKHRl3wXiIaQGbYVAs8BPL6v8lEs=
github.com/google/pprof v0.0.0-20181206194817-3ea8567a2e57/go.mod h1:zfwlbNMJ+OItoe0UupaVj+oy1omPYYDuagoSzA8v9mc=
github.com/google/pprof v0.0.0-20190515194954-54271f7e092f/go.mod h1:zfwlbNMJ+OItoe0UupaVj+oy1omPYYDuagoSzA8v9mc=
@@ -408,6 +411,8 @@ github.com/tmc/grpc-websocket-proxy v0.0.0-20190109142713-0ad062ec5ee5/go.mod h1
github.com/ugorji/go v1.1.4/go.mod h1:uQMGLiO92mf5W77hV/PUCpI3pbzQx3CRekS0kk+RGrc=
github.com/vektah/gqlparser v1.1.2/go.mod h1:1ycwN7Ij5njmMkPPAOaRFY4rET2Enx7IkVv3vaXspKw=
github.com/xiang90/probing v0.0.0-20190116061207-43a291ad63a2/go.mod h1:UETIi67q53MR2AWcXfiuqkDkRtnGDLqkBTpCHuJHxtU=
github.com/yalp/jsonpath v0.0.0-20180802001716-5cc68e5049a0 h1:6fRhSjgLCkTD3JnJxvaJ4Sj+TYblw757bqYgZaOq5ZY=
github.com/yalp/jsonpath v0.0.0-20180802001716-5cc68e5049a0/go.mod h1:/LWChgwKmvncFJFHJ7Gvn9wZArjbV5/FppcK2fKk/tI=
github.com/xlab/treeprint v0.0.0-20181112141820-a009c3971eca/go.mod h1:ce1O1j6UtZfjr22oyGxGLbauSBp2YVXpARAosm7dHBg=
github.com/xordataexchange/crypt v0.0.3-0.20170626215501-b2862e3d0a77/go.mod h1:aYKd//L2LvnjZzWKhF00oedf4jCCReLcmhLdhm1A27Q=
github.com/yuin/goldmark v1.1.27/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=

View File

@@ -1,20 +1,23 @@
package kubernetes
import (
"bytes"
_ "bytes"
"context"
"encoding/json"
"errors"
"fmt"
"github.com/up9inc/mizu/cli/mizu"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/client-go/tools/cache"
"k8s.io/client-go/util/homedir"
"os"
"path/filepath"
"regexp"
"strconv"
"github.com/up9inc/mizu/cli/mizu"
"io"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/client-go/tools/cache"
"k8s.io/client-go/util/homedir"
"github.com/up9inc/mizu/shared"
core "k8s.io/api/core/v1"
rbac "k8s.io/api/rbac/v1"
@@ -52,7 +55,12 @@ func NewProvider(kubeConfigPath string) (*Provider, error) {
kubernetesConfig := loadKubernetesConfiguration(kubeConfigPath)
restClientConfig, err := kubernetesConfig.ClientConfig()
if err != nil {
return nil, err
if clientcmd.IsEmptyConfig(err) {
return nil, fmt.Errorf("Couldn't find the kube config file, or file is empty. Try adding '--kube-config=<path to kube config file>'\n")
}
if clientcmd.IsConfigurationInvalid(err) {
return nil, fmt.Errorf("Invalid kube config file. Try using a different config with '--kube-config=<path to kube config file>'\n")
}
}
clientSet := getClientSet(restClientConfig)
@@ -125,42 +133,67 @@ func (provider *Provider) CreateNamespace(ctx context.Context, name string) (*co
return provider.clientSet.CoreV1().Namespaces().Create(ctx, namespaceSpec, metav1.CreateOptions{})
}
func (provider *Provider) CreateMizuApiServerPod(ctx context.Context, namespace string, podName string, podImage string, serviceAccountName string, mizuApiFilteringOptions *shared.TrafficFilteringOptions, maxEntriesDBSizeBytes int64) (*core.Pod, error) {
marshaledFilteringOptions, err := json.Marshal(mizuApiFilteringOptions)
type ApiServerOptions struct {
Namespace string
PodName string
PodImage string
ServiceAccountName string
IsNamespaceRestricted bool
MizuApiFilteringOptions *shared.TrafficFilteringOptions
MaxEntriesDBSizeBytes int64
}
func (provider *Provider) CreateMizuApiServerPod(ctx context.Context, opts *ApiServerOptions) (*core.Pod, error) {
marshaledFilteringOptions, err := json.Marshal(opts.MizuApiFilteringOptions)
if err != nil {
return nil, err
}
configMapVolumeName := &core.ConfigMapVolumeSource{}
configMapVolumeName.Name = mizu.ConfigMapName
configMapOptional := true
configMapVolumeName.Optional = &configMapOptional
cpuLimit, err := resource.ParseQuantity("750m")
if err != nil {
return nil, errors.New(fmt.Sprintf("invalid cpu limit for %s container", podName))
return nil, errors.New(fmt.Sprintf("invalid cpu limit for %s container", opts.PodName))
}
memLimit, err := resource.ParseQuantity("512Mi")
if err != nil {
return nil, errors.New(fmt.Sprintf("invalid memory limit for %s container", podName))
return nil, errors.New(fmt.Sprintf("invalid memory limit for %s container", opts.PodName))
}
cpuRequests, err := resource.ParseQuantity("50m")
if err != nil {
return nil, errors.New(fmt.Sprintf("invalid cpu request for %s container", podName))
return nil, errors.New(fmt.Sprintf("invalid cpu request for %s container", opts.PodName))
}
memRequests, err := resource.ParseQuantity("50Mi")
if err != nil {
return nil, errors.New(fmt.Sprintf("invalid memory request for %s container", podName))
return nil, errors.New(fmt.Sprintf("invalid memory request for %s container", opts.PodName))
}
command := []string{"./mizuagent", "--api-server"}
if opts.IsNamespaceRestricted {
command = append(command, "--namespace", opts.Namespace)
}
pod := &core.Pod{
ObjectMeta: metav1.ObjectMeta{
Name: podName,
Namespace: namespace,
Labels: map[string]string{"app": podName},
Name: opts.PodName,
Namespace: opts.Namespace,
Labels: map[string]string{"app": opts.PodName},
},
Spec: core.PodSpec{
Containers: []core.Container{
{
Name: podName,
Image: podImage,
Name: opts.PodName,
Image: opts.PodImage,
ImagePullPolicy: core.PullAlways,
Command: []string{"./mizuagent", "--api-server"},
VolumeMounts: []core.VolumeMount{
{
Name: mizu.ConfigMapName,
MountPath: shared.RulePolicyPath,
},
},
Command: command,
Env: []core.EnvVar{
{
Name: shared.HostModeEnvVar,
@@ -172,7 +205,7 @@ func (provider *Provider) CreateMizuApiServerPod(ctx context.Context, namespace
},
{
Name: shared.MaxEntriesDBSizeBytesEnvVar,
Value: strconv.FormatInt(maxEntriesDBSizeBytes, 10),
Value: strconv.FormatInt(opts.MaxEntriesDBSizeBytes, 10),
},
},
Resources: core.ResourceRequirements{
@@ -187,15 +220,23 @@ func (provider *Provider) CreateMizuApiServerPod(ctx context.Context, namespace
},
},
},
Volumes: []core.Volume{
{
Name: mizu.ConfigMapName,
VolumeSource: core.VolumeSource{
ConfigMap: configMapVolumeName,
},
},
},
DNSPolicy: core.DNSClusterFirstWithHostNet,
TerminationGracePeriodSeconds: new(int64),
},
}
//define the service account only when it exists to prevent pod crash
if serviceAccountName != "" {
pod.Spec.ServiceAccountName = serviceAccountName
if opts.ServiceAccountName != "" {
pod.Spec.ServiceAccountName = opts.ServiceAccountName
}
return provider.clientSet.CoreV1().Pods(namespace).Create(ctx, pod, metav1.CreateOptions{})
return provider.clientSet.CoreV1().Pods(opts.Namespace).Create(ctx, pod, metav1.CreateOptions{})
}
func (provider *Provider) CreateService(ctx context.Context, namespace string, serviceName string, appLabelValue string) (*core.Service, error) {
@@ -215,7 +256,55 @@ func (provider *Provider) CreateService(ctx context.Context, namespace string, s
func (provider *Provider) DoesServiceAccountExist(ctx context.Context, namespace string, serviceAccountName string) (bool, error) {
serviceAccount, err := provider.clientSet.CoreV1().ServiceAccounts(namespace).Get(ctx, serviceAccountName, metav1.GetOptions{})
return provider.doesResourceExist(serviceAccount, err)
}
func (provider *Provider) DoesConfigMapExist(ctx context.Context, namespace string, name string) (bool, error) {
resource, err := provider.clientSet.CoreV1().ConfigMaps(namespace).Get(ctx, name, metav1.GetOptions{})
return provider.doesResourceExist(resource, err)
}
func (provider *Provider) DoesServicesExist(ctx context.Context, namespace string, name string) (bool, error) {
resource, err := provider.clientSet.CoreV1().Services(namespace).Get(ctx, name, metav1.GetOptions{})
return provider.doesResourceExist(resource, err)
}
func (provider *Provider) DoesNamespaceExist(ctx context.Context, name string) (bool, error) {
resource, err := provider.clientSet.CoreV1().Namespaces().Get(ctx, name, metav1.GetOptions{})
return provider.doesResourceExist(resource, err)
}
func (provider *Provider) DoesClusterRoleExist(ctx context.Context, name string) (bool, error) {
resource, err := provider.clientSet.RbacV1().ClusterRoles().Get(ctx, name, metav1.GetOptions{})
return provider.doesResourceExist(resource, err)
}
func (provider *Provider) DoesClusterRoleBindingExist(ctx context.Context, name string) (bool, error) {
resource, err := provider.clientSet.RbacV1().ClusterRoleBindings().Get(ctx, name, metav1.GetOptions{})
return provider.doesResourceExist(resource, err)
}
func (provider *Provider) DoesRoleExist(ctx context.Context, namespace string, name string) (bool, error) {
resource, err := provider.clientSet.RbacV1().Roles(namespace).Get(ctx, name, metav1.GetOptions{})
return provider.doesResourceExist(resource, err)
}
func (provider *Provider) DoesRoleBindingExist(ctx context.Context, namespace string, name string) (bool, error) {
resource, err := provider.clientSet.RbacV1().RoleBindings(namespace).Get(ctx, name, metav1.GetOptions{})
return provider.doesResourceExist(resource, err)
}
func (provider *Provider) DoesPodExist(ctx context.Context, namespace string, name string) (bool, error) {
resource, err := provider.clientSet.CoreV1().Pods(namespace).Get(ctx, name, metav1.GetOptions{})
return provider.doesResourceExist(resource, err)
}
func (provider *Provider) DoesDaemonSetExist(ctx context.Context, namespace string, name string) (bool, error) {
resource, err := provider.clientSet.AppsV1().DaemonSets(namespace).Get(ctx, name, metav1.GetOptions{})
return provider.doesResourceExist(resource, err)
}
func (provider *Provider) doesResourceExist(resource interface{}, err error) (bool, error) {
var statusError *k8serrors.StatusError
if errors.As(err, &statusError) {
// expected behavior when resource does not exist
@@ -226,22 +315,7 @@ func (provider *Provider) DoesServiceAccountExist(ctx context.Context, namespace
if err != nil {
return false, err
}
return serviceAccount != nil, nil
}
func (provider *Provider) DoesServicesExist(ctx context.Context, namespace string, serviceName string) (bool, error) {
service, err := provider.clientSet.CoreV1().Services(namespace).Get(ctx, serviceName, metav1.GetOptions{})
var statusError *k8serrors.StatusError
if errors.As(err, &statusError) {
if statusError.ErrStatus.Reason == metav1.StatusReasonNotFound {
return false, nil
}
}
if err != nil {
return false, err
}
return service != nil, nil
return resource != nil, nil
}
func (provider *Provider) CreateMizuRBAC(ctx context.Context, namespace string, serviceAccountName string, clusterRoleName string, clusterRoleBindingName string, version string) error {
@@ -298,8 +372,62 @@ func (provider *Provider) CreateMizuRBAC(ctx context.Context, namespace string,
return nil
}
func (provider *Provider) CreateMizuRBACNamespaceRestricted(ctx context.Context, namespace string, serviceAccountName string, roleName string, roleBindingName string, version string) error {
serviceAccount := &core.ServiceAccount{
ObjectMeta: metav1.ObjectMeta{
Name: serviceAccountName,
Namespace: namespace,
Labels: map[string]string{"mizu-cli-version": version},
},
}
role := &rbac.Role{
ObjectMeta: metav1.ObjectMeta{
Name: roleName,
Labels: map[string]string{"mizu-cli-version": version},
},
Rules: []rbac.PolicyRule{
{
APIGroups: []string{"", "extensions", "apps"},
Resources: []string{"pods", "services", "endpoints"},
Verbs: []string{"list", "get", "watch"},
},
},
}
roleBinding := &rbac.RoleBinding{
ObjectMeta: metav1.ObjectMeta{
Name: roleBindingName,
Labels: map[string]string{"mizu-cli-version": version},
},
RoleRef: rbac.RoleRef{
Name: roleName,
Kind: "Role",
APIGroup: "rbac.authorization.k8s.io",
},
Subjects: []rbac.Subject{
{
Kind: "ServiceAccount",
Name: serviceAccountName,
Namespace: namespace,
},
},
}
_, err := provider.clientSet.CoreV1().ServiceAccounts(namespace).Create(ctx, serviceAccount, metav1.CreateOptions{})
if err != nil {
return err
}
_, err = provider.clientSet.RbacV1().Roles(namespace).Create(ctx, role, metav1.CreateOptions{})
if err != nil {
return err
}
_, err = provider.clientSet.RbacV1().RoleBindings(namespace).Create(ctx, roleBinding, metav1.CreateOptions{})
if err != nil {
return err
}
return nil
}
func (provider *Provider) RemoveNamespace(ctx context.Context, name string) error {
if isFound, err := provider.CheckNamespaceExists(ctx, name); err != nil {
if isFound, err := provider.DoesNamespaceExist(ctx, name); err != nil {
return err
} else if !isFound {
return nil
@@ -321,7 +449,7 @@ func (provider *Provider) RemoveNonNamespacedResources(ctx context.Context, clus
}
func (provider *Provider) RemoveClusterRole(ctx context.Context, name string) error {
if isFound, err := provider.CheckClusterRoleExists(ctx, name); err != nil {
if isFound, err := provider.DoesClusterRoleExist(ctx, name); err != nil {
return err
} else if !isFound {
return nil
@@ -331,7 +459,7 @@ func (provider *Provider) RemoveClusterRole(ctx context.Context, name string) er
}
func (provider *Provider) RemoveClusterRoleBinding(ctx context.Context, name string) error {
if isFound, err := provider.CheckClusterRoleBindingExists(ctx, name); err != nil {
if isFound, err := provider.DoesClusterRoleBindingExist(ctx, name); err != nil {
return err
} else if !isFound {
return nil
@@ -340,8 +468,38 @@ func (provider *Provider) RemoveClusterRoleBinding(ctx context.Context, name str
return provider.clientSet.RbacV1().ClusterRoleBindings().Delete(ctx, name, metav1.DeleteOptions{})
}
func (provider *Provider) RemoveRoleBinding(ctx context.Context, namespace string, name string) error {
if isFound, err := provider.DoesRoleBindingExist(ctx, namespace, name); err != nil {
return err
} else if !isFound {
return nil
}
return provider.clientSet.RbacV1().RoleBindings(namespace).Delete(ctx, name, metav1.DeleteOptions{})
}
func (provider *Provider) RemoveRole(ctx context.Context, namespace string, name string) error {
if isFound, err := provider.DoesRoleExist(ctx, namespace, name); err != nil {
return err
} else if !isFound {
return nil
}
return provider.clientSet.RbacV1().Roles(namespace).Delete(ctx, name, metav1.DeleteOptions{})
}
func (provider *Provider) RemoveServicAccount(ctx context.Context, namespace string, name string) error {
if isFound, err := provider.DoesServiceAccountExist(ctx, namespace, name); err != nil {
return err
} else if !isFound {
return nil
}
return provider.clientSet.CoreV1().ServiceAccounts(namespace).Delete(ctx, name, metav1.DeleteOptions{})
}
func (provider *Provider) RemovePod(ctx context.Context, namespace string, podName string) error {
if isFound, err := provider.CheckPodExists(ctx, namespace, podName); err != nil {
if isFound, err := provider.DoesPodExist(ctx, namespace, podName); err != nil {
return err
} else if !isFound {
return nil
@@ -350,8 +508,18 @@ func (provider *Provider) RemovePod(ctx context.Context, namespace string, podNa
return provider.clientSet.CoreV1().Pods(namespace).Delete(ctx, podName, metav1.DeleteOptions{})
}
func (provider *Provider) RemoveConfigMap(ctx context.Context, namespace string, configMapName string) error {
if isFound, err := provider.DoesConfigMapExist(ctx, namespace, configMapName); err != nil {
return err
} else if !isFound {
return nil
}
return provider.clientSet.CoreV1().ConfigMaps(namespace).Delete(ctx, configMapName, metav1.DeleteOptions{})
}
func (provider *Provider) RemoveService(ctx context.Context, namespace string, serviceName string) error {
if isFound, err := provider.CheckServiceExists(ctx, namespace, serviceName); err != nil {
if isFound, err := provider.DoesServicesExist(ctx, namespace, serviceName); err != nil {
return err
} else if !isFound {
return nil
@@ -361,7 +529,7 @@ func (provider *Provider) RemoveService(ctx context.Context, namespace string, s
}
func (provider *Provider) RemoveDaemonSet(ctx context.Context, namespace string, daemonSetName string) error {
if isFound, err := provider.CheckDaemonSetExists(ctx, namespace, daemonSetName); err != nil {
if isFound, err := provider.DoesDaemonSetExist(ctx, namespace, daemonSetName); err != nil {
return err
} else if !isFound {
return nil
@@ -370,109 +538,33 @@ func (provider *Provider) RemoveDaemonSet(ctx context.Context, namespace string,
return provider.clientSet.AppsV1().DaemonSets(namespace).Delete(ctx, daemonSetName, metav1.DeleteOptions{})
}
func (provider *Provider) CheckNamespaceExists(ctx context.Context, name string) (bool, error) {
listOptions := metav1.ListOptions{
FieldSelector: fmt.Sprintf("metadata.name=%s", name),
Limit: 1,
}
resourceList, err := provider.clientSet.CoreV1().Namespaces().List(ctx, listOptions)
if err != nil {
return false, err
func (provider *Provider) CreateConfigMap(ctx context.Context, namespace string, configMapName string, data string) error {
if data == "" {
return nil
}
if len(resourceList.Items) > 0 {
return true, nil
configMapData := make(map[string]string, 0)
configMapData[shared.RulePolicyFileName] = data
configMap := &core.ConfigMap{
TypeMeta: metav1.TypeMeta{
Kind: "ConfigMap",
APIVersion: "v1",
},
ObjectMeta: metav1.ObjectMeta{
Name: configMapName,
Namespace: namespace,
},
Data: configMapData,
}
return false, nil
}
func (provider *Provider) CheckClusterRoleExists(ctx context.Context, name string) (bool, error) {
listOptions := metav1.ListOptions{
FieldSelector: fmt.Sprintf("metadata.name=%s", name),
Limit: 1,
if _, err := provider.clientSet.CoreV1().ConfigMaps(namespace).Create(ctx, configMap, metav1.CreateOptions{}); err != nil {
return err
}
resourceList, err := provider.clientSet.RbacV1().ClusterRoles().List(ctx, listOptions)
if err != nil {
return false, err
}
if len(resourceList.Items) > 0 {
return true, nil
}
return false, nil
}
func (provider *Provider) CheckClusterRoleBindingExists(ctx context.Context, name string) (bool, error) {
listOptions := metav1.ListOptions{
FieldSelector: fmt.Sprintf("metadata.name=%s", name),
Limit: 1,
}
resourceList, err := provider.clientSet.RbacV1().ClusterRoleBindings().List(ctx, listOptions)
if err != nil {
return false, err
}
if len(resourceList.Items) > 0 {
return true, nil
}
return false, nil
}
func (provider *Provider) CheckPodExists(ctx context.Context, namespace string, name string) (bool, error) {
listOptions := metav1.ListOptions{
FieldSelector: fmt.Sprintf("metadata.name=%s", name),
Limit: 1,
}
resourceList, err := provider.clientSet.CoreV1().Pods(namespace).List(ctx, listOptions)
if err != nil {
return false, err
}
if len(resourceList.Items) > 0 {
return true, nil
}
return false, nil
}
func (provider *Provider) CheckServiceExists(ctx context.Context, namespace string, name string) (bool, error) {
listOptions := metav1.ListOptions{
FieldSelector: fmt.Sprintf("metadata.name=%s", name),
Limit: 1,
}
resourceList, err := provider.clientSet.CoreV1().Services(namespace).List(ctx, listOptions)
if err != nil {
return false, err
}
if len(resourceList.Items) > 0 {
return true, nil
}
return false, nil
}
func (provider *Provider) CheckDaemonSetExists(ctx context.Context, namespace string, name string) (bool, error) {
listOptions := metav1.ListOptions{
FieldSelector: fmt.Sprintf("metadata.name=%s", name),
Limit: 1,
}
resourceList, err := provider.clientSet.AppsV1().DaemonSets(namespace).List(ctx, listOptions)
if err != nil {
return false, err
}
if len(resourceList.Items) > 0 {
return true, nil
}
return false, nil
return nil
}
func (provider *Provider) ApplyMizuTapperDaemonSet(ctx context.Context, namespace string, daemonSetName string, podImage string, tapperPodName string, apiServerPodIp string, nodeToTappedPodIPMap map[string][]string, serviceAccountName string, tapOutgoing bool) error {
mizu.Log.Debugf("Applying %d tapper deamonsets, ns: %s, daemonSetName: %s, podImage: %s, tapperPodName: %s", len(nodeToTappedPodIPMap), namespace, daemonSetName, podImage, tapperPodName)
if len(nodeToTappedPodIPMap) == 0 {
return fmt.Errorf("Daemon set %s must tap at least 1 pod", daemonSetName)
}
@@ -493,12 +585,11 @@ func (provider *Provider) ApplyMizuTapperDaemonSet(ctx context.Context, namespac
mizuCmd = append(mizuCmd, "--anydirection")
}
privileged := true
agentContainer := applyconfcore.Container()
agentContainer.WithName(tapperPodName)
agentContainer.WithImage(podImage)
agentContainer.WithImagePullPolicy(core.PullAlways)
agentContainer.WithSecurityContext(applyconfcore.SecurityContext().WithPrivileged(privileged))
agentContainer.WithSecurityContext(applyconfcore.SecurityContext().WithPrivileged(true))
agentContainer.WithCommand(mizuCmd...)
agentContainer.WithEnv(
applyconfcore.EnvVar().WithName(shared.HostModeEnvVar).WithValue("1"),
@@ -587,18 +678,55 @@ func (provider *Provider) ApplyMizuTapperDaemonSet(ctx context.Context, namespac
return err
}
func (provider *Provider) GetAllPodsMatchingRegex(ctx context.Context, regex *regexp.Regexp, namespace string) ([]core.Pod, error) {
pods, err := provider.clientSet.CoreV1().Pods(namespace).List(ctx, metav1.ListOptions{})
if err != nil {
return nil, err
func (provider *Provider) ListAllPodsMatchingRegex(ctx context.Context, regex *regexp.Regexp, namespaces []string) ([]core.Pod, error) {
var pods []core.Pod
for _, namespace := range namespaces {
namespacePods, err := provider.clientSet.CoreV1().Pods(namespace).List(ctx, metav1.ListOptions{})
if err != nil {
return nil, fmt.Errorf("failed to get pods in ns: [%s], %w", namespace, err)
}
pods = append(pods, namespacePods.Items...)
}
matchingPods := make([]core.Pod, 0)
for _, pod := range pods.Items {
for _, pod := range pods {
if regex.MatchString(pod.Name) {
matchingPods = append(matchingPods, pod)
}
}
return matchingPods, err
return matchingPods, nil
}
func (provider *Provider) ListAllRunningPodsMatchingRegex(ctx context.Context, regex *regexp.Regexp, namespaces []string) ([]core.Pod, error) {
pods, err := provider.ListAllPodsMatchingRegex(ctx, regex, namespaces)
if err != nil {
return nil, err
}
matchingPods := make([]core.Pod, 0)
for _, pod := range pods {
if isPodRunning(&pod) {
matchingPods = append(matchingPods, pod)
}
}
return matchingPods, nil
}
func (provider *Provider) GetPodLogs(namespace string, podName string, ctx context.Context) (string, error) {
podLogOpts := core.PodLogOptions{}
req := provider.clientSet.CoreV1().Pods(namespace).GetLogs(podName, &podLogOpts)
podLogs, err := req.Stream(ctx)
if err != nil {
return "", fmt.Errorf("error opening log stream on ns: %s, pod: %s, %w", namespace, podName, err)
}
defer podLogs.Close()
buf := new(bytes.Buffer)
if _, err = io.Copy(buf, podLogs); err != nil {
return "", fmt.Errorf("error copy information from podLogs to buf, ns: %s, pod: %s, %w", namespace, podName, err)
}
str := buf.String()
return str, nil
}
func getClientSet(config *restclient.Config) *kubernetes.Clientset {
@@ -635,3 +763,7 @@ func loadKubernetesConfiguration(kubeConfigPath string) clientcmd.ClientConfig {
},
)
}
func isPodRunning(pod *core.Pod) bool {
return pod.Status.Phase == core.PodRunning
}

View File

@@ -2,6 +2,7 @@ package kubernetes
import (
"fmt"
"github.com/up9inc/mizu/cli/mizu"
"k8s.io/kubectl/pkg/proxy"
"net"
"net/http"
@@ -13,6 +14,7 @@ const k8sProxyApiPrefix = "/"
const mizuServicePort = 80
func StartProxy(kubernetesProvider *Provider, mizuPort uint16, mizuNamespace string, mizuServiceName string) error {
mizu.Log.Debugf("Starting proxy. namespace: [%v], service name: [%s], port: [%v]", mizuNamespace, mizuServiceName, mizuPort)
filter := &proxy.FilterServer{
AcceptPaths: proxy.MakeRegexpArrayOrDie(proxy.DefaultPathAcceptRE),
RejectPaths: proxy.MakeRegexpArrayOrDie(proxy.DefaultPathRejectRE),

View File

@@ -4,49 +4,64 @@ import (
"context"
"errors"
"regexp"
"sync"
corev1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/watch"
)
func FilteredWatch(ctx context.Context, watcher watch.Interface, podFilter *regexp.Regexp) (chan *corev1.Pod, chan *corev1.Pod, chan *corev1.Pod, chan error) {
func FilteredWatch(ctx context.Context, kubernetesProvider *Provider, targetNamespaces []string, podFilter *regexp.Regexp) (chan *corev1.Pod, chan *corev1.Pod, chan *corev1.Pod, chan error) {
addedChan := make(chan *corev1.Pod)
modifiedChan := make(chan *corev1.Pod)
removedChan := make(chan *corev1.Pod)
errorChan := make(chan error)
go func() {
for {
select {
case e := <-watcher.ResultChan():
if e.Object == nil {
errorChan <- errors.New("kubernetes pod watch failed")
var wg sync.WaitGroup
for _, targetNamespace := range targetNamespaces {
wg.Add(1)
go func(targetNamespace string) {
defer wg.Done()
watcher := kubernetesProvider.GetPodWatcher(ctx, targetNamespace)
for {
select {
case e := <-watcher.ResultChan():
if e.Object == nil {
errorChan <- errors.New("kubernetes pod watch failed")
return
}
pod := e.Object.(*corev1.Pod)
if !podFilter.MatchString(pod.Name) {
continue
}
switch e.Type {
case watch.Added:
addedChan <- pod
case watch.Modified:
modifiedChan <- pod
case watch.Deleted:
removedChan <- pod
}
case <-ctx.Done():
watcher.Stop()
return
}
pod := e.Object.(*corev1.Pod)
if !podFilter.MatchString(pod.Name) {
continue
}
switch e.Type {
case watch.Added:
addedChan <- pod
case watch.Modified:
modifiedChan <- pod
case watch.Deleted:
removedChan <- pod
}
case <-ctx.Done():
watcher.Stop()
close(addedChan)
close(modifiedChan)
close(removedChan)
close(errorChan)
return
}
}
}(targetNamespace)
}
go func() {
<-ctx.Done()
wg.Wait()
close(addedChan)
close(modifiedChan)
close(removedChan)
close(errorChan)
}()
return addedChan, modifiedChan, removedChan, errorChan

View File

@@ -2,10 +2,8 @@ package main
import (
"github.com/up9inc/mizu/cli/cmd"
"github.com/up9inc/mizu/cli/mizu"
)
func main() {
mizu.InitLogger()
cmd.Execute()
}

View File

@@ -3,219 +3,276 @@ package mizu
import (
"errors"
"fmt"
"github.com/up9inc/mizu/cli/uiUtils"
"gopkg.in/yaml.v3"
"io/ioutil"
"os"
"path"
"reflect"
"strconv"
"strings"
"github.com/creasty/defaults"
"github.com/spf13/cobra"
"github.com/spf13/pflag"
"github.com/up9inc/mizu/cli/mizu/configStructs"
"github.com/up9inc/mizu/cli/uiUtils"
"gopkg.in/yaml.v3"
)
const separator = "="
var configObj = map[string]interface{}{}
type CommandLineFlag struct {
CommandLineName string
YamlHierarchyName string
DefaultValue interface{}
}
const (
ConfigurationKeyAnalyzingDestination = "tap.dest"
ConfigurationKeyUploadInterval = "tap.uploadInterval"
ConfigurationKeyMizuImage = "mizuImage"
ConfigurationKeyTelemetry = "telemetry"
Separator = "="
SetCommandName = "set"
)
var allowedSetFlags = []CommandLineFlag{
{
CommandLineName: "dest",
YamlHierarchyName: ConfigurationKeyAnalyzingDestination,
DefaultValue: "up9.app",
// TODO: maybe add short description that we can show
},
{
CommandLineName: "uploadInterval",
YamlHierarchyName: ConfigurationKeyUploadInterval,
DefaultValue: 10,
},
{
CommandLineName: "mizuImage",
YamlHierarchyName: ConfigurationKeyMizuImage,
DefaultValue: fmt.Sprintf("gcr.io/up9-docker-hub/mizu/%s:%s", Branch, SemVer),
},
{
CommandLineName: "telemetry",
YamlHierarchyName: ConfigurationKeyTelemetry,
DefaultValue: true,
},
var allowedSetFlags = []string{
AgentImageConfigName,
MizuResourcesNamespaceConfigName,
TelemetryConfigName,
DumpLogsConfigName,
configStructs.AnalysisDestinationTapName,
configStructs.SleepIntervalSecTapName,
}
func GetString(key string) string {
return fmt.Sprintf("%v", getValueFromMergedConfig(key))
}
var Config = ConfigStruct{}
func GetBool(key string) bool {
stringVal := GetString(key)
Log.Debugf("Found string value %v", stringVal)
val, err := strconv.ParseBool(stringVal)
if err != nil {
Log.Warningf(uiUtils.Red, fmt.Sprintf( "Invalid value %v for key %s, expected bool", stringVal, key))
os.Exit(1)
func (config *ConfigStruct) Validate() error {
if config.IsNsRestrictedMode() {
if config.Tap.AllNamespaces || len(config.Tap.Namespaces) != 1 || config.Tap.Namespaces[0] != config.MizuResourcesNamespace {
return fmt.Errorf("Not supported mode. Mizu can't resolve IPs in other namespaces when running in namespace restricted mode.\n"+
"You can use the same namespace for --%s and --%s", configStructs.NamespacesTapName, MizuResourcesNamespaceConfigName)
}
}
return val
}
func GetInt(key string) int {
stringVal := GetString(key)
Log.Debugf("Found string value %v", stringVal)
val, err := strconv.Atoi(stringVal)
if err != nil {
Log.Warningf(uiUtils.Red, fmt.Sprintf("Invalid value %v for key %s, expected int", stringVal, key))
os.Exit(1)
}
return val
}
func InitConfig(commandLineValues []string) error {
Log.Debugf("Merging default values")
mergeDefaultValues()
Log.Debugf("Merging config file values")
if err1 := mergeConfigFile(); err1 != nil {
Log.Infof(fmt.Sprintf(uiUtils.Red, "Invalid config file\n"))
return err1
}
Log.Debugf("Merging command line values")
if err2 := mergeCommandLineFlags(commandLineValues); err2 != nil {
Log.Infof(fmt.Sprintf(uiUtils.Red, "Invalid commanad argument\n"))
return err2
}
finalConfigPrettified, _ := uiUtils.PrettyJson(configObj)
Log.Debugf("Merged all config successfully\n Final config: %v", finalConfigPrettified)
return nil
}
func GetTemplateConfig() string {
templateConfig := map[string]interface{}{}
for _, allowedFlag := range allowedSetFlags {
addToConfigObj(allowedFlag.YamlHierarchyName, allowedFlag.DefaultValue, templateConfig)
func InitConfig(cmd *cobra.Command) error {
if err := defaults.Set(&Config); err != nil {
return err
}
prettifiedConfig, _ := uiUtils.PrettyYaml(templateConfig)
return prettifiedConfig
}
func GetConfigStr() string {
val, _ := uiUtils.PrettyYaml(configObj)
return val
}
func getValueFromMergedConfig(key string) interface{} {
if a, ok := configObj[key]; ok {
return a
if err := mergeConfigFile(); err != nil {
Log.Errorf("Could not load config file, error %v", err)
Log.Fatalf("You can regenerate the file using `mizu config -r` or just remove it %v", GetConfigFilePath())
}
cmd.Flags().Visit(initFlag)
finalConfigPrettified, _ := uiUtils.PrettyJson(Config)
Log.Debugf("Init config finished\n Final config: %v", finalConfigPrettified)
return nil
}
func mergeDefaultValues() {
for _, allowedFlag := range allowedSetFlags {
Log.Debugf("Setting %v to %v", allowedFlag.YamlHierarchyName, allowedFlag.DefaultValue)
configObj[allowedFlag.YamlHierarchyName] = allowedFlag.DefaultValue
func GetConfigWithDefaults() (string, error) {
defaultConf := ConfigStruct{}
if err := defaults.Set(&defaultConf); err != nil {
return "", err
}
return uiUtils.PrettyYaml(defaultConf)
}
func GetConfigFilePath() string {
return path.Join(GetMizuFolderPath(), "config.yaml")
}
func mergeConfigFile() error {
Log.Debugf("Merging mizu config file values")
home, homeDirErr := os.UserHomeDir()
if homeDirErr != nil {
return nil
}
reader, openErr := os.Open(path.Join(home, ".mizu", "config.yaml"))
reader, openErr := os.Open(GetConfigFilePath())
if openErr != nil {
return nil
}
buf, readErr := ioutil.ReadAll(reader)
if readErr != nil {
return readErr
}
m := make(map[string]interface{})
if err := yaml.Unmarshal(buf, &m); err != nil {
if err := yaml.Unmarshal(buf, &Config); err != nil {
return err
}
for k, v := range m {
addToConfig(k, v)
}
Log.Debugf("Found config file, merged to default options")
return nil
}
func addToConfig(prefix string, value interface{}) {
typ := reflect.TypeOf(value).Kind()
if typ == reflect.Map {
for k1, v1 := range value.(map[string]interface{}) {
addToConfig(fmt.Sprintf("%s.%s", prefix, k1), v1)
}
} else {
validateConfigFileKey(prefix)
configObj[prefix] = value
func initFlag(f *pflag.Flag) {
configElem := reflect.ValueOf(&Config).Elem()
sliceValue, isSliceValue := f.Value.(pflag.SliceValue)
if !isSliceValue {
mergeFlagValue(configElem, f.Name, f.Value.String())
return
}
if f.Name == SetCommandName {
mergeSetFlag(sliceValue.GetSlice())
return
}
mergeFlagValues(configElem, f.Name, sliceValue.GetSlice())
}
func mergeCommandLineFlags(commandLineValues []string) error {
Log.Debugf("Merging Command line flags")
for _, e := range commandLineValues {
if !strings.Contains(e, separator) {
return errors.New(fmt.Sprintf("invalid set argument %s", e))
func mergeSetFlag(setValues []string) {
configElem := reflect.ValueOf(&Config).Elem()
for _, setValue := range setValues {
if !strings.Contains(setValue, Separator) {
Log.Warningf(uiUtils.Warning, fmt.Sprintf("Ignoring set argument %s (set argument format: <flag name>=<flag value>)", setValue))
}
split := strings.SplitN(e, separator, 2)
split := strings.SplitN(setValue, Separator, 2)
if len(split) != 2 {
return errors.New(fmt.Sprintf("invalid set argument %s", e))
Log.Warningf(uiUtils.Warning, fmt.Sprintf("Ignoring set argument %s (set argument format: <flag name>=<flag value>)", setValue))
}
setFlagKey, argumentValue := split[0], split[1]
argumentNameInConfig, err := flagFromAllowed(setFlagKey)
argumentKey, argumentValue := split[0], split[1]
if !Contains(allowedSetFlags, argumentKey) {
Log.Warningf(uiUtils.Warning, fmt.Sprintf("Ignoring set argument %s, flag name must be one of the following: \"%s\"", setValue, strings.Join(allowedSetFlags, "\", \"")))
}
mergeFlagValue(configElem, argumentKey, argumentValue)
}
}
func mergeFlagValue(currentElem reflect.Value, flagKey string, flagValue string) {
for i := 0; i < currentElem.NumField(); i++ {
currentField := currentElem.Type().Field(i)
currentFieldByName := currentElem.FieldByName(currentField.Name)
if currentField.Type.Kind() == reflect.Struct {
mergeFlagValue(currentFieldByName, flagKey, flagValue)
continue
}
if currentField.Tag.Get("yaml") != flagKey {
continue
}
flagValueKind := currentField.Type.Kind()
parsedValue, err := getParsedValue(flagValueKind, flagValue)
if err != nil {
return err
}
configObj[argumentNameInConfig] = argumentValue
}
return nil
}
func flagFromAllowed(setFlagKey string) (string, error) {
for _, allowedFlag := range allowedSetFlags {
if strings.ToLower(allowedFlag.CommandLineName) == strings.ToLower(setFlagKey) {
return allowedFlag.YamlHierarchyName, nil
}
}
return "", errors.New(fmt.Sprintf("invalid set argument %s", setFlagKey))
}
func validateConfigFileKey(configFileKey string) {
for _, allowedFlag := range allowedSetFlags {
if allowedFlag.YamlHierarchyName == configFileKey {
Log.Warningf(uiUtils.Red, fmt.Sprintf("Invalid value %v for flag name %s, expected %s", flagValue, flagKey, flagValueKind))
return
}
currentFieldByName.Set(parsedValue)
}
Log.Info(fmt.Sprintf("Unknown argument: %s. Exit", configFileKey))
os.Exit(1)
}
func addToConfigObj(key string, value interface{}, configObj map[string]interface{}) {
typ := reflect.TypeOf(value).Kind()
if typ != reflect.Map {
if strings.Contains(key, ".") {
split := strings.SplitN(key, ".", 2)
firstLevelKey := split[0]
if _, ok := configObj[firstLevelKey]; !ok {
configObj[firstLevelKey] = map[string]interface{}{}
}
addToConfigObj(split[1], value, configObj[firstLevelKey].(map[string]interface{}))
} else {
configObj[key] = value
func mergeFlagValues(currentElem reflect.Value, flagKey string, flagValues []string) {
for i := 0; i < currentElem.NumField(); i++ {
currentField := currentElem.Type().Field(i)
currentFieldByName := currentElem.FieldByName(currentField.Name)
if currentField.Type.Kind() == reflect.Struct {
mergeFlagValues(currentFieldByName, flagKey, flagValues)
continue
}
if currentField.Tag.Get("yaml") != flagKey {
continue
}
flagValueKind := currentField.Type.Elem().Kind()
parsedValues := reflect.MakeSlice(reflect.SliceOf(currentField.Type.Elem()), 0, 0)
for _, flagValue := range flagValues {
parsedValue, err := getParsedValue(flagValueKind, flagValue)
if err != nil {
Log.Warningf(uiUtils.Red, fmt.Sprintf("Invalid value %v for flag name %s, expected %s", flagValue, flagKey, flagValueKind))
return
}
parsedValues = reflect.Append(parsedValues, parsedValue)
}
currentFieldByName.Set(parsedValues)
}
}
func getParsedValue(kind reflect.Kind, value string) (reflect.Value, error) {
switch kind {
case reflect.String:
return reflect.ValueOf(value), nil
case reflect.Bool:
boolArgumentValue, err := strconv.ParseBool(value)
if err != nil {
break
}
return reflect.ValueOf(boolArgumentValue), nil
case reflect.Int:
intArgumentValue, err := strconv.ParseInt(value, 10, 64)
if err != nil {
break
}
return reflect.ValueOf(int(intArgumentValue)), nil
case reflect.Int8:
intArgumentValue, err := strconv.ParseInt(value, 10, 8)
if err != nil {
break
}
return reflect.ValueOf(int8(intArgumentValue)), nil
case reflect.Int16:
intArgumentValue, err := strconv.ParseInt(value, 10, 16)
if err != nil {
break
}
return reflect.ValueOf(int16(intArgumentValue)), nil
case reflect.Int32:
intArgumentValue, err := strconv.ParseInt(value, 10, 32)
if err != nil {
break
}
return reflect.ValueOf(int32(intArgumentValue)), nil
case reflect.Int64:
intArgumentValue, err := strconv.ParseInt(value, 10, 64)
if err != nil {
break
}
return reflect.ValueOf(intArgumentValue), nil
case reflect.Uint:
uintArgumentValue, err := strconv.ParseUint(value, 10, 64)
if err != nil {
break
}
return reflect.ValueOf(uint(uintArgumentValue)), nil
case reflect.Uint8:
uintArgumentValue, err := strconv.ParseUint(value, 10, 8)
if err != nil {
break
}
return reflect.ValueOf(uint8(uintArgumentValue)), nil
case reflect.Uint16:
uintArgumentValue, err := strconv.ParseUint(value, 10, 16)
if err != nil {
break
}
return reflect.ValueOf(uint16(uintArgumentValue)), nil
case reflect.Uint32:
uintArgumentValue, err := strconv.ParseUint(value, 10, 32)
if err != nil {
break
}
return reflect.ValueOf(uint32(uintArgumentValue)), nil
case reflect.Uint64:
uintArgumentValue, err := strconv.ParseUint(value, 10, 64)
if err != nil {
break
}
return reflect.ValueOf(uintArgumentValue), nil
}
return reflect.ValueOf(nil), errors.New("value to parse does not match type")
}

33
cli/mizu/configStruct.go Normal file
View File

@@ -0,0 +1,33 @@
package mizu
import (
"fmt"
"github.com/up9inc/mizu/cli/mizu/configStructs"
)
const (
AgentImageConfigName = "agent-image"
MizuResourcesNamespaceConfigName = "mizu-resources-namespace"
TelemetryConfigName = "telemetry"
DumpLogsConfigName = "dump-logs"
)
type ConfigStruct struct {
Tap configStructs.TapConfig `yaml:"tap"`
Fetch configStructs.FetchConfig `yaml:"fetch"`
Version configStructs.VersionConfig `yaml:"version"`
View configStructs.ViewConfig `yaml:"view"`
AgentImage string `yaml:"agent-image"`
MizuResourcesNamespace string `yaml:"mizu-resources-namespace" default:"mizu"`
Telemetry bool `yaml:"telemetry" default:"true"`
DumpLogs bool `yaml:"dump-logs" default:"false"`
}
func (config *ConfigStruct) SetDefaults() {
config.AgentImage = fmt.Sprintf("gcr.io/up9-docker-hub/mizu/%s:%s", Branch, SemVer)
}
func (config *ConfigStruct) IsNsRestrictedMode() bool {
return config.MizuResourcesNamespace != "mizu" // Notice "mizu" string must match the default MizuResourcesNamespace
}

View File

@@ -0,0 +1,15 @@
package configStructs
const (
DirectoryFetchName = "directory"
FromTimestampFetchName = "from"
ToTimestampFetchName = "to"
MizuPortFetchName = "port"
)
type FetchConfig struct {
Directory string `yaml:"directory" default:"."`
FromTimestamp int `yaml:"from" default:"0"`
ToTimestamp int `yaml:"to" default:"0"`
MizuPort uint16 `yaml:"port" default:"8899"`
}

View File

@@ -0,0 +1,83 @@
package configStructs
import (
"errors"
"fmt"
"regexp"
"strings"
"github.com/up9inc/mizu/shared/units"
)
const (
AnalysisDestinationTapName = "dest"
SleepIntervalSecTapName = "upload-interval"
GuiPortTapName = "gui-port"
NamespacesTapName = "namespaces"
AnalysisTapName = "analysis"
AllNamespacesTapName = "all-namespaces"
KubeConfigPathTapName = "kube-config"
PlainTextFilterRegexesTapName = "regex-masking"
HideHealthChecksTapName = "hide-healthchecks"
DisableRedactionTapName = "no-redact"
HumanMaxEntriesDBSizeTapName = "max-entries-db-size"
DirectionTapName = "direction"
DryRunTapName = "dry-run"
EnforcePolicyFile = "test-rules"
)
type TapConfig struct {
AnalysisDestination string `yaml:"dest" default:"up9.app"`
SleepIntervalSec int `yaml:"upload-interval" default:"10"`
PodRegexStr string `yaml:"regex" default:".*"`
GuiPort uint16 `yaml:"gui-port" default:"8899"`
Namespaces []string `yaml:"namespaces"`
Analysis bool `yaml:"analysis" default:"false"`
AllNamespaces bool `yaml:"all-namespaces" default:"false"`
KubeConfigPath string `yaml:"kube-config"`
PlainTextFilterRegexes []string `yaml:"regex-masking"`
HideHealthChecks bool `yaml:"hide-healthchecks" default:"false"`
DisableRedaction bool `yaml:"no-redact" default:"false"`
HumanMaxEntriesDBSize string `yaml:"max-entries-db-size" default:"200MB"`
Direction string `yaml:"direction" default:"in"`
DryRun bool `yaml:"dry-run" default:"false"`
EnforcePolicyFile string `yaml:"test-rules"`
}
func (config *TapConfig) PodRegex() *regexp.Regexp {
podRegex, _ := regexp.Compile(config.PodRegexStr)
return podRegex
}
func (config *TapConfig) TapOutgoing() bool {
directionLowerCase := strings.ToLower(config.Direction)
if directionLowerCase == "any" {
return true
}
return false
}
func (config *TapConfig) MaxEntriesDBSizeBytes() int64 {
maxEntriesDBSizeBytes, _ := units.HumanReadableToBytes(config.HumanMaxEntriesDBSize)
return maxEntriesDBSizeBytes
}
func (config *TapConfig) Validate() error {
_, compileErr := regexp.Compile(config.PodRegexStr)
if compileErr != nil {
return errors.New(fmt.Sprintf("%s is not a valid regex %s", config.PodRegexStr, compileErr))
}
_, parseHumanDataSizeErr := units.HumanReadableToBytes(config.HumanMaxEntriesDBSize)
if parseHumanDataSizeErr != nil {
return errors.New(fmt.Sprintf("Could not parse --%s value %s", HumanMaxEntriesDBSizeTapName, config.HumanMaxEntriesDBSize))
}
directionLowerCase := strings.ToLower(config.Direction)
if directionLowerCase != "any" && directionLowerCase != "in" {
return errors.New(fmt.Sprintf("%s is not a valid value for flag --%s. Acceptable values are in/any.", config.Direction, DirectionTapName))
}
return nil
}

View File

@@ -0,0 +1,9 @@
package configStructs
const (
DebugInfoVersionName = "debug"
)
type VersionConfig struct {
DebugInfo bool `yaml:"debug" default:"false"`
}

View File

@@ -0,0 +1,11 @@
package configStructs
const (
GuiPortViewName = "gui-port"
KubeConfigPathViewName = "kube-config"
)
type ViewConfig struct {
GuiPort uint16 `yaml:"gui-port" default:"8899"`
KubeConfigPath string `yaml:"kube-config"`
}

View File

@@ -1,5 +1,10 @@
package mizu
import (
"os"
"path"
)
var (
SemVer = "0.0.1"
Branch = "develop"
@@ -13,8 +18,18 @@ const (
ClusterRoleBindingName = "mizu-cluster-role-binding"
ClusterRoleName = "mizu-cluster-role"
K8sAllNamespaces = ""
ResourcesNamespace = "mizu"
RoleBindingName = "mizu-role-binding"
RoleName = "mizu-role"
ServiceAccountName = "mizu-service-account"
TapperDaemonSetName = "mizu-tapper-daemon-set"
TapperPodName = "mizu-tapper"
ConfigMapName = "mizu-policy"
)
func GetMizuFolderPath() string {
home, homeDirErr := os.UserHomeDir()
if homeDirErr != nil {
return ""
}
return path.Join(home, ".mizu")
}

View File

@@ -1,7 +1,6 @@
package mizu
import (
"fmt"
"github.com/op/go-logging"
"os"
"path"
@@ -13,16 +12,15 @@ var format = logging.MustStringFormatter(
`%{time} %{level:.5s} ▶ %{pid} %{shortfile} %{shortfunc} ▶ %{message}`,
)
func GetLogFilePath() string {
return path.Join(GetMizuFolderPath(), "mizu_cli.log")
}
func InitLogger() {
homeDirPath, _ := os.UserHomeDir()
mizuDirPath := path.Join(homeDirPath, ".mizu")
if err := os.MkdirAll(mizuDirPath, os.ModePerm); err != nil {
panic(fmt.Sprintf("Failed creating .mizu dir: %v, err %v", mizuDirPath, err))
}
logPath := path.Join(mizuDirPath, "log.log")
logPath := GetLogFilePath()
f, err := os.OpenFile(logPath, os.O_RDWR|os.O_CREATE|os.O_APPEND, 0666)
if err != nil {
panic(fmt.Sprintf("Failed mizu log file: %v, err %v", logPath, err))
Log.Infof("Failed to open mizu log file: %v, err %v", logPath, err)
}
fileLog := logging.NewLogBackend(f, "", 0)
@@ -35,5 +33,6 @@ func InitLogger() {
logging.SetBackend(backend1Leveled, backend2Formatter)
Log.Debugf("\n\n\n")
Log.Debugf("Running mizu version %v", SemVer)
}

11
cli/mizu/sliceUtils.go Normal file
View File

@@ -0,0 +1,11 @@
package mizu
func Contains(slice []string, containsValue string) bool {
for _, sliceValue := range slice {
if sliceValue == containsValue {
return true
}
}
return false
}

View File

@@ -10,15 +10,11 @@ import (
const telemetryUrl = "https://us-east4-up9-prod.cloudfunctions.net/mizu-telemetry"
func ReportRun(cmd string, args interface{}) {
if !GetBool(ConfigurationKeyTelemetry) {
if !Config.Telemetry {
Log.Debugf("not reporting due to config value")
return
}
if Branch != "main" {
Log.Debugf("reporting only on main branch")
return
}
argsBytes, _ := json.Marshal(args)
argsMap := map[string]string{
"telemetry_type": "execution",
@@ -26,6 +22,7 @@ func ReportRun(cmd string, args interface{}) {
"args": string(argsBytes),
"component": "mizu_cli",
"BuildTimestamp": BuildTimestamp,
"Branch": Branch,
"version": SemVer}
argsMap["message"] = fmt.Sprintf("mizu %v - %v", argsMap["cmd"], string(argsBytes))

View File

@@ -4,14 +4,15 @@ import (
"context"
"encoding/json"
"fmt"
"github.com/google/go-github/v37/github"
"github.com/up9inc/mizu/cli/uiUtils"
"github.com/up9inc/mizu/shared"
"github.com/up9inc/mizu/shared/semver"
"io/ioutil"
"net/http"
"net/url"
"time"
"github.com/google/go-github/v37/github"
"github.com/up9inc/mizu/cli/uiUtils"
"github.com/up9inc/mizu/shared"
"github.com/up9inc/mizu/shared/semver"
)
func getApiVersion(port uint16) (string, error) {
@@ -55,7 +56,7 @@ func CheckNewerVersion() {
client := github.NewClient(nil)
latestRelease, _, err := client.Repositories.GetLatestRelease(context.Background(), "up9inc", "mizu")
if err != nil {
Log.Debugf("Failed to get latest release")
Log.Debugf("[ERROR] Failed to get latest release")
return
}
@@ -67,20 +68,20 @@ func CheckNewerVersion() {
}
}
if versionFileUrl == "" {
Log.Debugf("Version file not found in the latest release")
Log.Debugf("[ERROR] Version file not found in the latest release")
return
}
res, err := http.Get(versionFileUrl)
if err != nil {
Log.Debugf("http.Get version asset -> %v", err)
Log.Debugf("[ERROR] Failed to get the version file %v", err)
return
}
data, err := ioutil.ReadAll(res.Body)
res.Body.Close()
if err != nil {
Log.Debugf("ioutil.ReadAll -> %v", err)
Log.Debugf("[ERROR] Failed to read the version file -> %v", err)
return
}
gitHubVersion := string(data)

View File

@@ -2,12 +2,14 @@ package uiUtils
const (
Black = "\033[1;30m%s\033[0m"
Red = "\033[1;31m%s\033[0m"
Green = "\033[1;32m%s\033[0m"
Yellow = "\033[1;33m%s\033[0m"
Purple = "\033[1;34m%s\033[0m"
Magenta = "\033[1;35m%s\033[0m"
Teal = "\033[1;36m%s\033[0m"
White = "\033[1;37m%s\033[0m"
)
Black = "\033[1;30m%s\033[0m"
Red = "\033[1;31m%s\033[0m"
Green = "\033[1;32m%s\033[0m"
Yellow = "\033[1;33m%s\033[0m"
Purple = "\033[1;34m%s\033[0m"
Magenta = "\033[1;35m%s\033[0m"
Teal = "\033[1;36m%s\033[0m"
White = "\033[1;37m%s\033[0m"
Error = Red
Warning = Yellow
)

View File

@@ -7,16 +7,16 @@ metadata:
rules:
- apiGroups: [""]
resources: ["pods"]
verbs: ["list", "watch", "create"]
verbs: ["list", "watch", "create", "delete"]
- apiGroups: [""]
resources: ["services"]
verbs: ["create"]
verbs: ["create", "delete"]
- apiGroups: ["apps"]
resources: ["daemonsets"]
verbs: ["create", "patch"]
verbs: ["create", "patch", "delete"]
- apiGroups: [""]
resources: ["namespaces"]
verbs: ["list", "watch", "create", "delete"]
verbs: ["get", "list", "watch", "create", "delete"]
- apiGroups: [""]
resources: ["services/proxy"]
verbs: ["get"]

View File

@@ -6,28 +6,34 @@ metadata:
rules:
- apiGroups: [""]
resources: ["pods"]
verbs: ["get", "list", "watch", "create"]
verbs: ["get", "list", "watch", "create", "delete"]
- apiGroups: [""]
resources: ["services"]
verbs: ["get", "list", "watch", "create"]
verbs: ["get", "list", "watch", "create", "delete"]
- apiGroups: ["apps"]
resources: ["daemonsets"]
verbs: ["create", "patch"]
verbs: ["create", "patch", "delete"]
- apiGroups: [""]
resources: ["namespaces"]
verbs: ["list", "watch", "create", "delete"]
verbs: ["get", "list", "watch", "create", "delete"]
- apiGroups: [""]
resources: ["services/proxy"]
verbs: ["get"]
- apiGroups: [""]
resources: ["serviceaccounts"]
verbs: ["get", "create"]
verbs: ["get", "create", "delete"]
- apiGroups: ["rbac.authorization.k8s.io"]
resources: ["clusterroles"]
verbs: ["list", "create", "delete"]
verbs: ["get", "create", "delete"]
- apiGroups: ["rbac.authorization.k8s.io"]
resources: ["clusterrolebindings"]
verbs: ["list", "create", "delete"]
verbs: ["get", "create", "delete"]
- apiGroups: ["rbac.authorization.k8s.io"]
resources: ["roles"]
verbs: ["get", "create", "delete"]
- apiGroups: ["rbac.authorization.k8s.io"]
resources: ["rolebindings"]
verbs: ["get", "create", "delete"]
- apiGroups: ["apps", "extensions"]
resources: ["pods"]
verbs: ["get", "list", "watch"]

View File

@@ -0,0 +1,54 @@
# This example shows the roles required for a user to be able to use Mizu in a single namespace.
kind: Role
apiVersion: rbac.authorization.k8s.io/v1
metadata:
name: mizu-runner-role
namespace: user1
rules:
- apiGroups: [""]
resources: ["pods"]
verbs: ["get", "list", "watch", "create", "delete"]
- apiGroups: [""]
resources: ["services"]
verbs: ["get", "list", "watch", "create", "delete"]
- apiGroups: ["apps"]
resources: ["daemonsets"]
verbs: ["get", "create", "patch", "delete"]
- apiGroups: [""]
resources: ["services/proxy"]
verbs: ["get"]
- apiGroups: [""]
resources: ["configmaps"]
verbs: ["get", "create", "delete"]
- apiGroups: [""]
resources: ["serviceaccounts"]
verbs: ["get", "create", "delete"]
- apiGroups: ["rbac.authorization.k8s.io"]
resources: ["roles"]
verbs: ["get", "create", "delete"]
- apiGroups: ["rbac.authorization.k8s.io"]
resources: ["rolebindings"]
verbs: ["get", "create", "delete"]
- apiGroups: ["apps", "extensions"]
resources: ["pods"]
verbs: ["get", "list", "watch"]
- apiGroups: ["apps", "extensions"]
resources: ["services"]
verbs: ["get", "list", "watch"]
- apiGroups: ["", "apps", "extensions"]
resources: ["endpoints"]
verbs: ["get", "list", "watch"]
---
kind: RoleBinding
apiVersion: rbac.authorization.k8s.io/v1
metadata:
name: mizu-runner-rolebindings
namespace: user1
subjects:
- kind: User
name: user1
apiGroup: rbac.authorization.k8s.io
roleRef:
kind: Role
name: mizu-runner-role
apiGroup: rbac.authorization.k8s.io

View File

@@ -0,0 +1,33 @@
# This example shows the roles required for a user to be able to use Mizu in a single namespace with IP resolution disabled.
kind: Role
apiVersion: rbac.authorization.k8s.io/v1
metadata:
name: mizu-runner-role
namespace: user1
rules:
- apiGroups: [""]
resources: ["pods"]
verbs: ["get", "list", "watch", "create", "delete"]
- apiGroups: [""]
resources: ["services"]
verbs: ["get", "create", "delete"]
- apiGroups: ["apps"]
resources: ["daemonsets"]
verbs: ["get", "create", "patch", "delete"]
- apiGroups: [""]
resources: ["services/proxy"]
verbs: ["get"]
---
kind: RoleBinding
apiVersion: rbac.authorization.k8s.io/v1
metadata:
name: mizu-runner-rolebindings
namespace: user1
subjects:
- kind: User
name: user1
apiGroup: rbac.authorization.k8s.io
roleRef:
kind: Role
name: mizu-runner-role
apiGroup: rbac.authorization.k8s.io

View File

@@ -0,0 +1,51 @@
# This example shows the roles required for a user to be able to use Mizu in a single namespace.
kind: Role
apiVersion: rbac.authorization.k8s.io/v1
metadata:
name: mizu-runner-role
namespace: user1
rules:
- apiGroups: [""]
resources: ["pods"]
verbs: ["get", "list", "watch", "create", "delete"]
- apiGroups: [""]
resources: ["services"]
verbs: ["get", "list", "watch", "create", "delete"]
- apiGroups: ["apps"]
resources: ["daemonsets"]
verbs: ["get", "create", "patch", "delete"]
- apiGroups: [""]
resources: ["services/proxy"]
verbs: ["get"]
- apiGroups: [""]
resources: ["serviceaccounts"]
verbs: ["get", "create", "delete"]
- apiGroups: ["rbac.authorization.k8s.io"]
resources: ["roles"]
verbs: ["get", "create", "delete"]
- apiGroups: ["rbac.authorization.k8s.io"]
resources: ["rolebindings"]
verbs: ["get", "create", "delete"]
- apiGroups: ["apps", "extensions"]
resources: ["pods"]
verbs: ["get", "list", "watch"]
- apiGroups: ["apps", "extensions"]
resources: ["services"]
verbs: ["get", "list", "watch"]
- apiGroups: ["", "apps", "extensions"]
resources: ["endpoints"]
verbs: ["get", "list", "watch"]
---
kind: RoleBinding
apiVersion: rbac.authorization.k8s.io/v1
metadata:
name: mizu-runner-rolebindings
namespace: user1
subjects:
- kind: User
name: user1
apiGroup: rbac.authorization.k8s.io
roleRef:
kind: Role
name: mizu-runner-role
apiGroup: rbac.authorization.k8s.io

View File

@@ -6,4 +6,6 @@ const (
NodeNameEnvVar = "NODE_NAME"
TappedAddressesPerNodeDictEnvVar = "TAPPED_ADDRESSES_PER_HOST"
MaxEntriesDBSizeBytesEnvVar = "MAX_ENTRIES_DB_BYTES"
RulePolicyPath = "/app/enforce-policy/"
RulePolicyFileName = "enforce-policy.yaml"
)

View File

@@ -1,6 +1,7 @@
package debounce
import (
"fmt"
"time"
)
@@ -13,9 +14,10 @@ func NewDebouncer(timeout time.Duration, callback func()) *Debouncer {
type Debouncer struct {
callback func()
running bool
timeout time.Duration
timer *time.Timer
running bool
canceled bool
timeout time.Duration
timer *time.Timer
}
func (d *Debouncer) setTimeout(timeout time.Duration) {
@@ -25,18 +27,28 @@ func (d *Debouncer) setTimeout(timeout time.Duration) {
func (d *Debouncer) setCallback(callback func()) {
callbackWrapped := func() {
callback()
if !d.canceled {
callback()
}
d.running = false
}
d.callback = callbackWrapped
}
func (d *Debouncer) SetOn() {
func (d *Debouncer) Cancel() {
d.canceled = true
}
func (d *Debouncer) SetOn() error {
if d.canceled {
return fmt.Errorf("debouncer cancelled")
}
if d.running == true {
return
return nil
}
d.running = true
d.timer = time.AfterFunc(d.timeout, d.callback)
return nil
}

View File

@@ -3,7 +3,8 @@ module github.com/up9inc/mizu/shared
go 1.16
require (
github.com/google/martian v2.1.0+incompatible // indirect
github.com/gorilla/websocket v1.4.2
github.com/yalp/jsonpath v0.0.0-20180802001716-5cc68e5049a0 // indirect
github.com/docker/go-units v0.4.0
)

View File

@@ -1,4 +1,8 @@
github.com/google/martian v2.1.0+incompatible h1:/CP5g8u/VJHijgedC/Legn3BAbAaWPgecwXBIDzw5no=
github.com/google/martian v2.1.0+incompatible/go.mod h1:9I4somxYTbIHy5NJKHRl3wXiIaQGbYVAs8BPL6v8lEs=
github.com/docker/go-units v0.4.0 h1:3uh0PgVws3nIA0Q+MwDC8yjEPf9zjRfZZWXZYDct3Tw=
github.com/docker/go-units v0.4.0/go.mod h1:fgPhTUdO+D/Jk86RDLlptpiXQzgHJF7gydDDbaIK4Dk=
github.com/gorilla/websocket v1.4.2 h1:+/TMaTYc4QFitKJxsQ7Yye35DkWvkdLcvGKqM+x0Ufc=
github.com/gorilla/websocket v1.4.2/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
github.com/yalp/jsonpath v0.0.0-20180802001716-5cc68e5049a0 h1:6fRhSjgLCkTD3JnJxvaJ4Sj+TYblw757bqYgZaOq5ZY=
github.com/yalp/jsonpath v0.0.0-20180802001716-5cc68e5049a0/go.mod h1:/LWChgwKmvncFJFHJ7Gvn9wZArjbV5/FppcK2fKk/tI=

View File

@@ -1,5 +1,13 @@
package shared
import (
"fmt"
"io/ioutil"
"strings"
yaml "gopkg.in/yaml.v3"
)
type WebSocketMessageType string
const (
@@ -7,6 +15,7 @@ const (
WebSocketMessageTypeTappedEntry WebSocketMessageType = "tappedEntry"
WebSocketMessageTypeUpdateStatus WebSocketMessageType = "status"
WebSocketMessageTypeAnalyzeStatus WebSocketMessageType = "analyzeStatus"
WebsocketMessageTypeOutboundLink WebSocketMessageType = "outboundLink"
)
type WebSocketMessageMetadata struct {
@@ -31,7 +40,8 @@ type WebSocketStatusMessage struct {
}
type TapStatus struct {
Pods []PodInfo `json:"pods"`
Pods []PodInfo `json:"pods"`
TLSLinks []TLSLinkInfo `json:"tlsLinks"`
}
type PodInfo struct {
@@ -39,6 +49,13 @@ type PodInfo struct {
Name string `json:"name"`
}
type TLSLinkInfo struct {
SourceIP string `json:"sourceIP"`
DestinationAddress string `json:"destinationAddress"`
ResolvedDestinationName string `json:"resolvedDestinationName"`
ResolvedSourceName string `json:"resolvedSourceName"`
}
func CreateWebSocketStatusMessage(tappingStatus TapStatus) WebSocketStatusMessage {
return WebSocketStatusMessage{
WebSocketMessageMetadata: &WebSocketMessageMetadata{
@@ -67,3 +84,75 @@ type VersionResponse struct {
SemVer string `json:"semver"`
}
type RulesPolicy struct {
Rules []RulePolicy `yaml:"rules"`
}
type RulePolicy struct {
Type string `yaml:"type"`
Service string `yaml:"service"`
Path string `yaml:"path"`
Method string `yaml:"method"`
Key string `yaml:"key"`
Value string `yaml:"value"`
Latency int64 `yaml:"latency"`
Name string `yaml:"name"`
}
func (r *RulePolicy) validateType() bool {
permitedTypes := []string{"json", "header", "latency"}
_, found := Find(permitedTypes, r.Type)
if !found {
fmt.Printf("\nRule with name %s will be ignored. Err: only json, header and latency types are supported on rule definition.\n", r.Name)
}
if strings.ToLower(r.Type) == "latency" {
if r.Latency == 0 {
fmt.Printf("\nRule with name %s will be ignored. Err: when type=latency, the field Latency should be specified and have a value >= 1\n\n", r.Name)
found = false
}
}
return found
}
func (rules *RulesPolicy) ValidateRulesPolicy() []int {
invalidIndex := make([]int, 0)
for i := range rules.Rules {
validated := rules.Rules[i].validateType()
if !validated {
invalidIndex = append(invalidIndex, i)
}
}
return invalidIndex
}
func (rules *RulesPolicy) RemoveRule(idx int) {
rules.Rules = append(rules.Rules[:idx], rules.Rules[idx+1:]...)
}
func Find(slice []string, val string) (int, bool) {
for i, item := range slice {
if item == val {
return i, true
}
}
return -1, false
}
func DecodeEnforcePolicy(path string) (RulesPolicy, error) {
content, err := ioutil.ReadFile(path)
enforcePolicy := RulesPolicy{}
if err != nil {
return enforcePolicy, err
}
err = yaml.Unmarshal([]byte(content), &enforcePolicy)
if err != nil {
return enforcePolicy, err
}
invalidIndex := enforcePolicy.ValidateRulesPolicy()
if len(invalidIndex) != 0 {
for i := range invalidIndex {
enforcePolicy.RemoveRule(invalidIndex[i])
}
}
return enforcePolicy, nil
}

View File

@@ -1,6 +1,7 @@
package tap
import (
"github.com/romana/rlog"
"sync"
"time"
@@ -20,19 +21,21 @@ type Cleaner struct {
cleanPeriod time.Duration
connectionTimeout time.Duration
stats CleanerStats
statsMutex sync.Mutex
statsMutex sync.Mutex
}
func (cl *Cleaner) clean() {
startCleanTime := time.Now()
cl.assemblerMutex.Lock()
rlog.Debugf("Assembler Stats before cleaning %s", cl.assembler.Dump())
flushed, closed := cl.assembler.FlushCloseOlderThan(startCleanTime.Add(-cl.connectionTimeout))
cl.assemblerMutex.Unlock()
deleted := cl.matcher.deleteOlderThan(startCleanTime.Add(-cl.connectionTimeout))
cl.statsMutex.Lock()
rlog.Debugf("Assembler Stats after cleaning %s", cl.assembler.Dump())
cl.stats.flushed += flushed
cl.stats.closed += closed
cl.stats.deleted += deleted
@@ -55,7 +58,7 @@ func (cl *Cleaner) dumpStats() CleanerStats {
stats := CleanerStats{
flushed: cl.stats.flushed,
closed : cl.stats.closed,
closed: cl.stats.closed,
deleted: cl.stats.deleted,
}

View File

@@ -8,4 +8,5 @@ require (
github.com/orcaman/concurrent-map v0.0.0-20210106121528-16402b402231
github.com/romana/rlog v0.0.0-20171115192701-f018bc92e7d7
golang.org/x/net v0.0.0-20210421230115-4e50805a0758
github.com/bradleyfalzon/tlsx v0.0.0-20170624122154-28fd0e59bac4
)

View File

@@ -1,3 +1,5 @@
github.com/bradleyfalzon/tlsx v0.0.0-20170624122154-28fd0e59bac4 h1:NJOOlc6ZJjix0A1rAU+nxruZtR8KboG1848yqpIUo4M=
github.com/bradleyfalzon/tlsx v0.0.0-20170624122154-28fd0e59bac4/go.mod h1:DQPxZS994Ld1Y8uwnJT+dRL04XPD0cElP/pHH/zEBHM=
github.com/google/gopacket v1.1.19 h1:ves8RnFZPGiFnTS0uPQStjwru6uO6h+nlr9j6fL7kF8=
github.com/google/gopacket v1.1.19/go.mod h1:iJ8V8n6KS+z2U1A8pUwu8bW5SyEMkXJB8Yo/Vo+TKTo=
github.com/google/martian v2.1.0+incompatible h1:/CP5g8u/VJHijgedC/Legn3BAbAaWPgecwXBIDzw5no=

View File

@@ -43,7 +43,7 @@ func openNewHarFile(filename string) *HarFile {
}
type HarFile struct {
file *os.File
file *os.File
entryCount int
}
@@ -105,13 +105,13 @@ func NewEntry(request *http.Request, requestTime time.Time, response *http.Respo
harEntry := har.Entry{
StartedDateTime: time.Now().UTC(),
Time: totalTime,
Request: harRequest,
Response: harResponse,
Cache: &har.Cache{},
Time: totalTime,
Request: harRequest,
Response: harResponse,
Cache: &har.Cache{},
Timings: &har.Timings{
Send: -1,
Wait: -1,
Send: -1,
Wait: -1,
Receive: totalTime,
},
}
@@ -155,14 +155,14 @@ func (f *HarFile) Close() {
}
}
func (f*HarFile) writeHeader() {
func (f *HarFile) writeHeader() {
header := []byte(`{"log": {"version": "1.2", "creator": {"name": "Mizu", "version": "0.0.1"}, "entries": [`)
if _, err := f.file.Write(header); err != nil {
log.Panicf("Failed to write header to output file: %s (%v,%+v)", err, err, err)
}
}
func (f*HarFile) writeTrailer() {
func (f *HarFile) writeTrailer() {
trailer := []byte("]}}")
if _, err := f.file.Write(trailer); err != nil {
log.Panicf("Failed to write trailer to output file: %s (%v,%+v)", err, err, err)
@@ -172,26 +172,27 @@ func (f*HarFile) writeTrailer() {
func NewHarWriter(outputDir string, maxEntries int) *HarWriter {
return &HarWriter{
OutputDirPath: outputDir,
MaxEntries: maxEntries,
PairChan: make(chan *PairChanItem),
OutChan: make(chan *OutputChannelItem, 1000),
currentFile: nil,
done: make(chan bool),
MaxEntries: maxEntries,
PairChan: make(chan *PairChanItem),
OutChan: make(chan *OutputChannelItem, 1000),
currentFile: nil,
done: make(chan bool),
}
}
type OutputChannelItem struct {
HarEntry *har.Entry
ConnectionInfo *ConnectionInfo
HarEntry *har.Entry
ConnectionInfo *ConnectionInfo
ValidationRulesChecker string
}
type HarWriter struct {
OutputDirPath string
MaxEntries int
PairChan chan *PairChanItem
OutChan chan *OutputChannelItem
currentFile *HarFile
done chan bool
MaxEntries int
PairChan chan *PairChanItem
OutChan chan *OutputChannelItem
currentFile *HarFile
done chan bool
}
func (hw *HarWriter) WritePair(request *http.Request, requestTime time.Time, response *http.Response, responseTime time.Time, connectionInfo *ConnectionInfo) {
@@ -240,7 +241,7 @@ func (hw *HarWriter) Start() {
hw.closeFile()
}
hw.done <- true
} ()
}()
}
func (hw *HarWriter) Stop() {

View File

@@ -5,21 +5,25 @@ import (
"bytes"
"encoding/hex"
"fmt"
"github.com/bradleyfalzon/tlsx"
"io"
"io/ioutil"
"net/http"
"strconv"
"sync"
"time"
)
const checkTLSPacketAmount = 100
type httpReaderDataMsg struct {
bytes []byte
timestamp time.Time
}
type tcpID struct {
srcIP string
dstIP string
srcIP string
dstIP string
srcPort string
dstPort string
}
@@ -42,28 +46,44 @@ func (tid *tcpID) String() string {
* Implements io.Reader interface (Read)
*/
type httpReader struct {
ident string
tcpID tcpID
isClient bool
isHTTP2 bool
isOutgoing bool
msgQueue chan httpReaderDataMsg // Channel of captured reassembled tcp payload
data []byte
captureTime time.Time
hexdump bool
parent *tcpStream
grpcAssembler GrpcAssembler
messageCount uint
harWriter *HarWriter
ident string
tcpID tcpID
isClient bool
isHTTP2 bool
isOutgoing bool
msgQueue chan httpReaderDataMsg // Channel of captured reassembled tcp payload
data []byte
captureTime time.Time
hexdump bool
parent *tcpStream
grpcAssembler GrpcAssembler
messageCount uint
harWriter *HarWriter
packetsSeen uint
outboundLinkWriter *OutboundLinkWriter
}
func (h *httpReader) Read(p []byte) (int, error) {
var msg httpReaderDataMsg
ok := true
for ok && len(h.data) == 0 {
msg, ok = <-h.msgQueue
h.data = msg.bytes
h.captureTime = msg.timestamp
if len(h.data) > 0 {
h.packetsSeen += 1
}
if h.packetsSeen < checkTLSPacketAmount && len(msg.bytes) > 5 { // packets with less than 5 bytes cause tlsx to panic
clientHello := tlsx.ClientHello{}
err := clientHello.Unmarshall(msg.bytes)
if err == nil {
fmt.Printf("Detected TLS client hello with SNI %s\n", clientHello.SNI)
numericPort, _ := strconv.Atoi(h.tcpID.dstPort)
h.outboundLinkWriter.WriteOutboundLink(h.tcpID.srcIP, h.tcpID.dstIP, numericPort, clientHello.SNI, TLSProtocol)
}
}
}
if !ok || len(h.data) == 0 {
return 0, io.EOF

View File

@@ -1,9 +1,17 @@
package tap
type OutboundLinkProtocol string
const (
TLSProtocol OutboundLinkProtocol = "tls"
)
type OutboundLink struct {
Src string
DstIP string
DstPort int
SuggestedResolvedName string
SuggestedProtocol OutboundLinkProtocol
}
func NewOutboundLinkWriter() *OutboundLinkWriter {
@@ -16,11 +24,13 @@ type OutboundLinkWriter struct {
OutChan chan *OutboundLink
}
func (olw *OutboundLinkWriter) WriteOutboundLink(src string, DstIP string, DstPort int) {
func (olw *OutboundLinkWriter) WriteOutboundLink(src string, DstIP string, DstPort int, SuggestedResolvedName string, SuggestedProtocol OutboundLinkProtocol) {
olw.OutChan <- &OutboundLink{
Src: src,
DstIP: DstIP,
DstPort: DstPort,
SuggestedResolvedName: SuggestedResolvedName,
SuggestedProtocol: SuggestedProtocol,
}
}

View File

@@ -35,7 +35,8 @@ const AppPortsEnvVar = "APP_PORTS"
const maxHTTP2DataLenEnvVar = "HTTP2_DATA_SIZE_LIMIT"
const maxHTTP2DataLenDefault = 1 * 1024 * 1024 // 1MB
const cleanPeriod = time.Second * 10
var remoteOnlyOutboundPorts = []int { 80, 443 }
var remoteOnlyOutboundPorts = []int{80, 443}
func parseAppPorts(appPortsList string) []int {
ports := make([]int, 0)
@@ -50,15 +51,15 @@ func parseAppPorts(appPortsList string) []int {
return ports
}
var maxcount = flag.Int("c", -1, "Only grab this many packets, then exit")
var maxcount = flag.Int64("c", -1, "Only grab this many packets, then exit")
var decoder = flag.String("decoder", "", "Name of the decoder to use (default: guess from capture)")
var statsevery = flag.Int("stats", 60, "Output statistics every N seconds")
var lazy = flag.Bool("lazy", false, "If true, do lazy decoding")
var nodefrag = flag.Bool("nodefrag", false, "If true, do not do IPv4 defrag")
var checksum = flag.Bool("checksum", false, "Check TCP checksum") // global
var nooptcheck = flag.Bool("nooptcheck", true, "Do not check TCP options (useful to ignore MSS on captures with TSO)") // global
var ignorefsmerr = flag.Bool("ignorefsmerr", true, "Ignore TCP FSM errors") // global
var allowmissinginit = flag.Bool("allowmissinginit", true, "Support streams without SYN/SYN+ACK/ACK sequence") // global
var checksum = flag.Bool("checksum", false, "Check TCP checksum") // global
var nooptcheck = flag.Bool("nooptcheck", true, "Do not check TCP options (useful to ignore MSS on captures with TSO)") // global
var ignorefsmerr = flag.Bool("ignorefsmerr", true, "Ignore TCP FSM errors") // global
var allowmissinginit = flag.Bool("allowmissinginit", true, "Support streams without SYN/SYN+ACK/ACK sequence") // global
var verbose = flag.Bool("verbose", false, "Be verbose")
var debug = flag.Bool("debug", false, "Display debug information")
var quiet = flag.Bool("quiet", false, "Be quiet regarding errors")
@@ -68,7 +69,7 @@ var nohttp = flag.Bool("nohttp", false, "Disable HTTP parsing")
var output = flag.String("output", "", "Path to create file for HTTP 200 OK responses")
var writeincomplete = flag.Bool("writeincomplete", false, "Write incomplete response")
var hexdump = flag.Bool("dump", false, "Dump HTTP request/response as hex") // global
var hexdump = flag.Bool("dump", false, "Dump HTTP request/response as hex") // global
var hexdumppkt = flag.Bool("dumppkt", false, "Dump packet as hex")
// capture
@@ -87,7 +88,7 @@ var dumpToHar = flag.Bool("hardump", false, "Dump traffic to har files")
var HarOutputDir = flag.String("hardir", "", "Directory in which to store output har files")
var harEntriesPerFile = flag.Int("harentriesperfile", 200, "Number of max number of har entries to store in each file")
var reqResMatcher = createResponseRequestMatcher() // global
var reqResMatcher = createResponseRequestMatcher() // global
var statsTracker = StatsTracker{}
// global
@@ -117,8 +118,8 @@ var outputLevel int
var errorsMap map[string]uint
var errorsMapMutex sync.Mutex
var nErrors uint
var ownIps []string // global
var hostMode bool // global
var ownIps []string // global
var hostMode bool // global
/* minOutputLevel: Error will be printed only if outputLevel is above this value
* t: key for errorsMap (counting errors)
@@ -174,6 +175,10 @@ type Context struct {
CaptureInfo gopacket.CaptureInfo
}
func GetStats() AppStats {
return statsTracker.appStats
}
func (c *Context) GetCaptureInfo() gopacket.CaptureInfo {
return c.CaptureInfo
}
@@ -196,6 +201,37 @@ func StartPassiveTapper(opts *TapOpts) (<-chan *OutputChannelItem, <-chan *Outbo
return nil, outboundLinkWriter.OutChan
}
func startMemoryProfiler() {
dirname := "/app/pprof"
rlog.Info("Profiling is on, results will be written to %s", dirname)
go func() {
if _, err := os.Stat(dirname); os.IsNotExist(err) {
if err := os.Mkdir(dirname, 0777); err != nil {
log.Fatal("could not create directory for profile: ", err)
}
}
for true {
t := time.Now()
filename := fmt.Sprintf("%s/%s__mem.prof", dirname, t.Format("15_04_05"))
rlog.Info("Writing memory profile to %s\n", filename)
f, err := os.Create(filename)
if err != nil {
log.Fatal("could not create memory profile: ", err)
}
runtime.GC() // get up-to-date statistics
if err := pprof.WriteHeapProfile(f); err != nil {
log.Fatal("could not write memory profile: ", err)
}
_ = f.Close()
time.Sleep(time.Minute)
}
}()
}
func startPassiveTapper(harWriter *HarWriter, outboundLinkWriter *OutboundLinkWriter) {
log.SetFlags(log.LstdFlags | log.LUTC | log.Lshortfile)
@@ -304,19 +340,23 @@ func startPassiveTapper(harWriter *HarWriter, outboundLinkWriter *OutboundLinkWr
source.Lazy = *lazy
source.NoCopy = true
rlog.Info("Starting to read packets")
count := 0
bytes := int64(0)
start := time.Now()
statsTracker.setStartTime(time.Now())
defragger := ip4defrag.NewIPv4Defragmenter()
streamFactory := &tcpStreamFactory{
doHTTP: !*nohttp,
harWriter: harWriter,
doHTTP: !*nohttp,
harWriter: harWriter,
outbountLinkWriter: outboundLinkWriter,
}
streamPool := reassembly.NewStreamPool(streamFactory)
assembler := reassembly.NewAssembler(streamPool)
maxBufferedPagesTotal := GetMaxBufferedPagesPerConnection()
maxBufferedPagesPerConnection := GetMaxBufferedPagesTotal()
rlog.Infof("Assembler options: maxBufferedPagesTotal=%d, maxBufferedPagesPerConnection=%d", maxBufferedPagesTotal, maxBufferedPagesPerConnection)
assembler.AssemblerOptions.MaxBufferedPagesTotal = maxBufferedPagesTotal
assembler.AssemblerOptions.MaxBufferedPagesPerConnection = maxBufferedPagesPerConnection
var assemblerMutex sync.Mutex
signalChan := make(chan os.Signal, 1)
@@ -324,10 +364,10 @@ func startPassiveTapper(harWriter *HarWriter, outboundLinkWriter *OutboundLinkWr
staleConnectionTimeout := time.Second * time.Duration(*staleTimeoutSeconds)
cleaner := Cleaner{
assembler: assembler,
assemblerMutex: &assemblerMutex,
matcher: &reqResMatcher,
cleanPeriod: cleanPeriod,
assembler: assembler,
assemblerMutex: &assemblerMutex,
matcher: &reqResMatcher,
cleanPeriod: cleanPeriod,
connectionTimeout: staleConnectionTimeout,
}
cleaner.start()
@@ -345,9 +385,9 @@ func startPassiveTapper(harWriter *HarWriter, outboundLinkWriter *OutboundLinkWr
errorsSummery := fmt.Sprintf("%v", errorsMap)
errorsMapMutex.Unlock()
log.Printf("Processed %v packets (%v bytes) in %v (errors: %v, errTypes:%v) - Errors Summary: %s",
count,
bytes,
time.Since(start),
statsTracker.appStats.TotalPacketsCount,
statsTracker.appStats.TotalProcessedBytes,
time.Since(statsTracker.appStats.StartTime),
nErrors,
errorMapLen,
errorsSummery,
@@ -365,22 +405,26 @@ func startPassiveTapper(harWriter *HarWriter, outboundLinkWriter *OutboundLinkWr
// Since the last print
cleanStats := cleaner.dumpStats()
appStats := statsTracker.dumpStats()
matchedMessages := statsTracker.dumpStats()
log.Printf(
"flushed connections %d, closed connections: %d, deleted messages: %d, matched messages: %d",
cleanStats.flushed,
cleanStats.closed,
cleanStats.deleted,
appStats.matchedMessages,
matchedMessages,
)
}
}()
if GetMemoryProfilingEnabled() {
startMemoryProfiler()
}
for packet := range source.Packets() {
count++
rlog.Debugf("PACKET #%d", count)
packetsCount := statsTracker.incPacketsCount()
rlog.Debugf("PACKET #%d", packetsCount)
data := packet.Data()
bytes += int64(len(data))
statsTracker.updateProcessedSize(int64(len(data)))
if *hexdumppkt {
rlog.Debugf("Packet content (%d/0x%x) - %s", len(data), len(data), hex.Dump(data))
}
@@ -431,12 +475,17 @@ func startPassiveTapper(harWriter *HarWriter, outboundLinkWriter *OutboundLinkWr
assemblerMutex.Unlock()
}
done := *maxcount > 0 && count >= *maxcount
done := *maxcount > 0 && statsTracker.appStats.TotalPacketsCount >= *maxcount
if done {
errorsMapMutex.Lock()
errorMapLen := len(errorsMap)
errorsMapMutex.Unlock()
log.Printf("Processed %v packets (%v bytes) in %v (errors: %v, errTypes:%v)", count, bytes, time.Since(start), nErrors, errorMapLen)
log.Printf("Processed %v packets (%v bytes) in %v (errors: %v, errTypes:%v)",
statsTracker.appStats.TotalPacketsCount,
statsTracker.appStats.TotalProcessedBytes,
time.Since(statsTracker.appStats.StartTime),
nErrors,
errorMapLen)
}
select {
case <-signalChan:
@@ -493,4 +542,5 @@ func startPassiveTapper(harWriter *HarWriter, outboundLinkWriter *OutboundLinkWr
for e := range errorsMap {
log.Printf(" %s:\t\t%d", e, errorsMap[e])
}
log.Printf("AppStats: %v", GetStats())
}

View File

@@ -1,5 +1,18 @@
package tap
import (
"os"
"strconv"
)
const (
MemoryProfilingEnabledEnvVarName = "MEMORY_PROFILING_ENABLED"
MaxBufferedPagesTotalEnvVarName = "MAX_BUFFERED_PAGES_TOTAL"
MaxBufferedPagesPerConnectionEnvVarName = "MAX_BUFFERED_PAGES_PER_CONNECTION"
MaxBufferedPagesTotalDefaultValue = 5000
MaxBufferedPagesPerConnectionDefaultValue = 5000
)
type globalSettings struct {
filterPorts []int
filterAuthorities []string
@@ -29,3 +42,23 @@ func GetFilterIPs() []string {
copy(addresses, gSettings.filterAuthorities)
return addresses
}
func GetMaxBufferedPagesTotal() int {
valueFromEnv, err := strconv.Atoi(os.Getenv(MaxBufferedPagesTotalEnvVarName))
if err != nil {
return MaxBufferedPagesTotalDefaultValue
}
return valueFromEnv
}
func GetMaxBufferedPagesPerConnection() int {
valueFromEnv, err := strconv.Atoi(os.Getenv(MaxBufferedPagesPerConnectionEnvVarName))
if err != nil {
return MaxBufferedPagesPerConnectionDefaultValue
}
return valueFromEnv
}
func GetMemoryProfilingEnabled() bool {
return os.Getenv(MemoryProfilingEnabledEnvVarName) == "1"
}

View File

@@ -2,34 +2,54 @@ package tap
import (
"sync"
"time"
)
type AppStats struct {
matchedMessages int
StartTime time.Time `json:"startTime"`
MatchedMessages int `json:"matchedMessages"`
TotalPacketsCount int64 `json:"totalPacketsCount"`
TotalProcessedBytes int64 `json:"totalProcessedBytes"`
TotalMatchedMessages int64 `json:"totalMatchedMessages"`
}
type StatsTracker struct {
stats AppStats
statsMutex sync.Mutex
appStats AppStats
matchedMessagesMutex sync.Mutex
totalPacketsCountMutex sync.Mutex
totalProcessedSizeMutex sync.Mutex
}
func (st *StatsTracker) incMatchedMessages() {
st.statsMutex.Lock()
st.stats.matchedMessages++
st.statsMutex.Unlock()
st.matchedMessagesMutex.Lock()
st.appStats.MatchedMessages++
st.appStats.TotalMatchedMessages++
st.matchedMessagesMutex.Unlock()
}
func (st *StatsTracker) dumpStats() AppStats {
st.statsMutex.Lock()
stats := AppStats{
matchedMessages: st.stats.matchedMessages,
}
st.stats.matchedMessages = 0
st.statsMutex.Unlock()
return stats
func (st *StatsTracker) incPacketsCount() int64 {
st.totalPacketsCountMutex.Lock()
st.appStats.TotalPacketsCount++
currentPacketsCount := st.appStats.TotalPacketsCount
st.totalPacketsCountMutex.Unlock()
return currentPacketsCount
}
func (st *StatsTracker) updateProcessedSize(size int64) {
st.totalProcessedSizeMutex.Lock()
st.appStats.TotalProcessedBytes += size
st.totalProcessedSizeMutex.Unlock()
}
func (st *StatsTracker) setStartTime(startTime time.Time) {
st.appStats.StartTime = startTime
}
func (st *StatsTracker) dumpStats() int {
st.matchedMessagesMutex.Lock()
matchedMessages := st.appStats.MatchedMessages
st.appStats.MatchedMessages = 0
st.matchedMessagesMutex.Unlock()
return matchedMessages
}

View File

@@ -33,7 +33,7 @@ func (factory *tcpStreamFactory) New(net, transport gopacket.Flow, tcp *layers.T
dstPort := int(tcp.DstPort)
if factory.shouldNotifyOnOutboundLink(dstIp, dstPort) {
factory.outbountLinkWriter.WriteOutboundLink(net.Src().String(), dstIp, dstPort)
factory.outbountLinkWriter.WriteOutboundLink(net.Src().String(), dstIp, dstPort, "", "")
}
props := factory.getStreamProps(srcIp, dstIp, dstPort)
isHTTP := props.isTapTarget
@@ -57,11 +57,12 @@ func (factory *tcpStreamFactory) New(net, transport gopacket.Flow, tcp *layers.T
srcPort: transport.Src().String(),
dstPort: transport.Dst().String(),
},
hexdump: *hexdump,
parent: stream,
isClient: true,
isOutgoing: props.isOutgoing,
harWriter: factory.harWriter,
hexdump: *hexdump,
parent: stream,
isClient: true,
isOutgoing: props.isOutgoing,
harWriter: factory.harWriter,
outboundLinkWriter: factory.outbountLinkWriter,
}
stream.server = httpReader{
msgQueue: make(chan httpReaderDataMsg),
@@ -72,10 +73,11 @@ func (factory *tcpStreamFactory) New(net, transport gopacket.Flow, tcp *layers.T
srcPort: transport.Dst().String(),
dstPort: transport.Src().String(),
},
hexdump: *hexdump,
parent: stream,
isOutgoing: props.isOutgoing,
harWriter: factory.harWriter,
hexdump: *hexdump,
parent: stream,
isOutgoing: props.isOutgoing,
harWriter: factory.harWriter,
outboundLinkWriter: factory.outbountLinkWriter,
}
factory.wg.Add(2)
// Start reading from channels stream.client.bytes and stream.server.bytes
@@ -131,6 +133,5 @@ func (factory *tcpStreamFactory) shouldNotifyOnOutboundLink(dstIP string, dstPor
type streamProps struct {
isTapTarget bool
isOutgoing bool
isOutgoing bool
}

22985
ui/package-lock.json generated

File diff suppressed because it is too large Load Diff

View File

@@ -4,6 +4,7 @@
"private": true,
"dependencies": {
"@material-ui/core": "^4.11.3",
"@material-ui/lab": "^4.0.0-alpha.60",
"@testing-library/jest-dom": "^5.11.10",
"@testing-library/react": "^11.2.6",
"@testing-library/user-event": "^12.8.3",
@@ -11,6 +12,7 @@
"@types/node": "^12.20.10",
"@types/react": "^17.0.3",
"@types/react-dom": "^17.0.3",
"jsonpath": "^1.1.1",
"axios": "^0.21.1",
"node-sass": "^5.0.0",
"numeral": "^2.0.6",

View File

@@ -1,10 +1,12 @@
import React, {useState} from 'react';
import React, {useEffect, useState} from 'react';
import './App.sass';
import logo from './components/assets/Mizu-logo.svg';
import {Button} from "@material-ui/core";
import {Button, Snackbar} from "@material-ui/core";
import {HarPage} from "./components/HarPage";
import Tooltip from "./components/Tooltip";
import {makeStyles} from "@material-ui/core/styles";
import MuiAlert from '@material-ui/lab/Alert';
import Api from "./helpers/api";
const useStyles = makeStyles(() => ({
@@ -15,11 +17,37 @@ const useStyles = makeStyles(() => ({
},
}));
const api = new Api();
const App = () => {
const classes = useStyles();
const [analyzeStatus, setAnalyzeStatus] = useState(null);
const [showTLSWarning, setShowTLSWarning] = useState(false);
const [userDismissedTLSWarning, setUserDismissedTLSWarning] = useState(false);
const [addressesWithTLS, setAddressesWithTLS] = useState(new Set());
useEffect(() => {
(async () => {
const recentTLSLinks = await api.getRecentTLSLinks();
if (recentTLSLinks?.length > 0) {
setAddressesWithTLS(new Set([...addressesWithTLS, ...recentTLSLinks]));
setShowTLSWarning(true);
}
})();
}, []);
const onTLSDetected = (destAddress: string) => {
addressesWithTLS.add(destAddress);
setAddressesWithTLS(new Set(addressesWithTLS));
if (!userDismissedTLSWarning) {
setShowTLSWarning(true);
}
};
const analysisMessage = analyzeStatus?.isRemoteReady ?
<span>
@@ -88,7 +116,12 @@ const App = () => {
</Tooltip>
}
</div>
<HarPage setAnalyzeStatus={setAnalyzeStatus}/>
<HarPage setAnalyzeStatus={setAnalyzeStatus} onTLSDetected={onTLSDetected}/>
<Snackbar open={showTLSWarning && !userDismissedTLSWarning}>
<MuiAlert elevation={6} variant="filled" onClose={() => setUserDismissedTLSWarning(true)} severity="warning">
Mizu is detecting TLS traffic{addressesWithTLS.size ? ` (directed to ${Array.from(addressesWithTLS).join(", ")})` : ''}, this type of traffic will not be displayed.
</MuiAlert>
</Snackbar>
</div>
);
}

View File

@@ -19,6 +19,13 @@ interface HAREntry {
isCurrentRevision?: boolean;
timestamp: Date;
isOutgoing?: boolean;
latency: number;
rules: Rules;
}
interface Rules {
status: boolean;
latency: number
}
interface HAREntryProps {
@@ -48,9 +55,16 @@ export const HarEntry: React.FC<HAREntryProps> = ({entry, setFocusedEntryId, isS
break;
}
}
let backgroundColor = "";
if ('latency' in entry.rules) {
if (entry.rules.latency !== -1) {
backgroundColor = entry.rules.latency >= entry.latency ? styles.ruleSuccessRow : styles.ruleFailureRow
} else {
backgroundColor = entry.rules.status ? styles.ruleSuccessRow : styles.ruleFailureRow
}
}
return <>
<div id={entry.id} className={`${styles.row} ${isSelected ? styles.rowSelected : ''}`} onClick={() => setFocusedEntryId(entry.id)}>
<div id={entry.id} className={`${styles.row} ${isSelected ? styles.rowSelected : backgroundColor}`} onClick={() => setFocusedEntryId(entry.id)}>
{entry.statusCode && <div>
<StatusCode statusCode={entry.statusCode}/>
</div>}

View File

@@ -29,7 +29,7 @@ const HarEntryTitle: React.FC<any> = ({har}) => {
const classes = useStyles();
const {log: {entries}} = har;
const {response, request, timings: {receive}} = entries[0];
const {response, request, timings: {receive}} = entries[0].entry;
const {status, statusText, bodySize} = response;
@@ -40,9 +40,10 @@ const HarEntryTitle: React.FC<any> = ({har}) => {
<div style={{flexGrow: 1, overflow: 'hidden'}}>
<EndpointPath method={request?.method} path={request?.url}/>
</div>
<div style={{margin: "0 24px", opacity: 0.5}}>{formatSize(bodySize)}</div>
<div style={{marginRight: 24, opacity: 0.5}}>{status} {statusText}</div>
<div style={{opacity: 0.5}}>{Math.round(receive)}ms</div>
<div style={{margin: "0 18px", opacity: 0.5}}>{formatSize(bodySize)}</div>
<div style={{marginRight: 18, opacity: 0.5}}>{status} {statusText}</div>
<div style={{marginRight: 18, opacity: 0.5}}>{Math.round(receive)}ms</div>
<div style={{opacity: 0.5}}>{'rulesMatched' in entries[0] ? entries[0].rulesMatched?.length : '0'} Rules Applied</div>
</div>;
};

View File

@@ -40,6 +40,27 @@
width: 1%
max-width: 15rem
.rulesTitleSuccess
color: #0C0B1A
.rulesMatchedSuccess
background: #E8FFF1
padding: 5px
border-radius: 4px
color: #219653
font-style: normal
font-size: 0.7rem
font-weight: 600
.rulesMatchedFailure
background: #FFE9EF
padding: 5px
border-radius: 4px
color: #DB2156
font-style: normal
font-size: 0.7rem
font-weight: 600
.dataValue
color: $blue-gray
margin: 0
@@ -66,7 +87,6 @@
border-top: 1px solid $light-blue-color
padding: 1rem
background: none
table
width: 100%
tr td:first-child

View File

@@ -5,6 +5,7 @@ import CollapsibleContainer from "../CollapsibleContainer";
import FancyTextDisplay from "../FancyTextDisplay";
import Checkbox from "../Checkbox";
import ProtobufDecoder from "protobuf-decoder";
var jp = require('jsonpath');
interface HAREntryViewLineProps {
label: string;
@@ -144,3 +145,122 @@ export const HAREntryTableSection: React.FC<HAREntrySectionProps> = ({title, arr
}
</React.Fragment>
}
interface HAREntryPolicySectionProps {
service: string,
title: string,
response: any,
latency?: number,
arrayToIterate: any[],
}
interface HAREntryPolicySectionCollapsibleTitleProps {
label: string;
matched: string;
isExpanded: boolean;
}
const HAREntryPolicySectionCollapsibleTitle: React.FC<HAREntryPolicySectionCollapsibleTitleProps> = ({label, matched, isExpanded}) => {
return <div className={styles.title}>
<span className={`${styles.button} ${isExpanded ? styles.expanded : ''}`}>
{isExpanded ? '-' : '+'}
</span>
<span>
<tr className={styles.dataLine}>
<td className={`${styles.dataKey} ${styles.rulesTitleSuccess}`}>{label}</td>
<td className={`${styles.dataKey} ${matched === 'Success' ? styles.rulesMatchedSuccess : styles.rulesMatchedFailure}`}>{matched}</td>
</tr>
</span>
</div>
}
interface HAREntryPolicySectionContainerProps {
label: string;
matched: string;
children?: any;
}
export const HAREntryPolicySectionContainer: React.FC<HAREntryPolicySectionContainerProps> = ({label, matched, children}) => {
const [expanded, setExpanded] = useState(false);
return <CollapsibleContainer
className={styles.collapsibleContainer}
isExpanded={expanded}
onClick={() => setExpanded(!expanded)}
title={<HAREntryPolicySectionCollapsibleTitle label={label} matched={matched} isExpanded={expanded}/>}
>
{children}
</CollapsibleContainer>
}
export const HAREntryTablePolicySection: React.FC<HAREntryPolicySectionProps> = ({service, title, response, latency, arrayToIterate}) => {
const base64ToJson = response.content.mimeType === "application/json; charset=utf-8" ? JSON.parse(Buffer.from(response.content.text, "base64").toString()) : {};
return <React.Fragment>
{
arrayToIterate && arrayToIterate.length > 0 ?
<>
<HAREntrySectionContainer title={title}>
<table>
<tbody>
{arrayToIterate.map(({rule, matched}, index) => {
return (
<HAREntryPolicySectionContainer key={index} label={rule.Name} matched={matched && (rule.Type === 'latency' ? rule.Latency >= latency : true)? "Success" : "Failure"}>
{
<>
{
rule.Key != "" ?
<tr className={styles.dataValue}><td><b>Key</b>:</td><td>{rule.Key}</td></tr>
: null
}
{
rule.Latency != "" ?
<tr className={styles.dataValue}><td><b>Latency:</b></td> <td>{rule.Latency}</td></tr>
: null
}
{
rule.Method != "" ?
<tr className={styles.dataValue}><td><b>Method:</b></td> <td>{rule.Method}</td></tr>
: null
}
{
rule.Path != "" ?
<tr className={styles.dataValue}><td><b>Path:</b></td> <td>{rule.Path}</td></tr>
: null
}
{
rule.Service != "" ?
<tr className={styles.dataValue}><td><b>Service:</b></td> <td>{service}</td></tr>
: null
}
{
rule.Type != "" ?
<tr className={styles.dataValue}><td><b>Type:</b></td> <td>{rule.Type}</td></tr>
: null
}
{
rule.Value != "" ?
<tr className={styles.dataValue}><td><b>Value:</b></td> <td>{rule.Value}</td></tr>
: null
}
</>
}
</HAREntryPolicySectionContainer>
)
}
)
}
</tbody>
</table>
</HAREntrySectionContainer>
</> : <span/>
}
</React.Fragment>
}

View File

@@ -1,19 +1,22 @@
import React, {useState} from 'react';
import styles from './HAREntryViewer.module.sass';
import Tabs from "../Tabs";
import {HAREntryTableSection, HAREntryBodySection} from "./HAREntrySections";
import {HAREntryTableSection, HAREntryBodySection, HAREntryTablePolicySection} from "./HAREntrySections";
const MIME_TYPE_KEY = 'mimeType';
const HAREntryDisplay: React.FC<any> = ({entry, isCollapsed: initialIsCollapsed, isResponseMocked}) => {
const {request, response} = entry;
const HAREntryDisplay: React.FC<any> = ({har, entry, isCollapsed: initialIsCollapsed, isResponseMocked}) => {
const {request, response, timings: {receive}} = entry;
const rulesMatched = har.log.entries[0].rulesMatched
const TABS = [
{tab: 'request'},
{
tab: 'response',
badge: <>{isResponseMocked && <span className="smallBadge virtual mock">MOCK</span>}</>
},
{
tab: 'Rules',
},
];
const [currentTab, setCurrentTab] = useState(TABS[0].tab);
@@ -43,6 +46,9 @@ const HAREntryDisplay: React.FC<any> = ({entry, isCollapsed: initialIsCollapsed,
<HAREntryTableSection title={'Cookies'} arrayToIterate={response.cookies}/>
</React.Fragment>}
{currentTab === TABS[2].tab && <React.Fragment>
<HAREntryTablePolicySection service={har.log.entries[0].service} title={'Rule'} latency={receive} response={response} arrayToIterate={rulesMatched ? rulesMatched : []}/>
</React.Fragment>}
</div>}
</div>;
}
@@ -58,7 +64,7 @@ const HAREntryViewer: React.FC<Props> = ({harObject, className, isResponseMocked
const {log: {entries}} = harObject;
const isCollapsed = entries.length > 1;
return <div className={`${className ? className : ''}`}>
{Object.keys(entries).map((entry: any, index) => <HAREntryDisplay isCollapsed={isCollapsed} key={index} entry={entries[entry]} isResponseMocked={isResponseMocked} showTitle={showTitle}/>)}
{Object.keys(entries).map((entry: any, index) => <HAREntryDisplay har={harObject} isCollapsed={isCollapsed} key={index} entry={entries[entry].entry} isResponseMocked={isResponseMocked} showTitle={showTitle}/>)}
</div>
};

View File

@@ -38,11 +38,12 @@ enum ConnectionStatus {
interface HarPageProps {
setAnalyzeStatus: (status: any) => void;
onTLSDetected: (destAddress: string) => void;
}
const api = new Api();
export const HarPage: React.FC<HarPageProps> = ({setAnalyzeStatus}) => {
export const HarPage: React.FC<HarPageProps> = ({setAnalyzeStatus, onTLSDetected}) => {
const classes = useLayoutStyles();
@@ -71,7 +72,6 @@ export const HarPage: React.FC<HarPageProps> = ({setAnalyzeStatus}) => {
ws.current.onmessage = e => {
if (!e?.data) return;
const message = JSON.parse(e.data);
switch (message.messageType) {
case "entry":
const entry = message.data
@@ -93,6 +93,9 @@ export const HarPage: React.FC<HarPageProps> = ({setAnalyzeStatus}) => {
case "analyzeStatus":
setAnalyzeStatus(message.analyzeStatus);
break
case "outboundLink":
onTLSDetected(message.Data.DstIP);
break;
default:
console.error(`unsupported websocket message type, Got: ${message.messageType}`)
}

View File

@@ -23,6 +23,14 @@
margin-left: 10px
margin-right: 3px
.ruleSuccessRow
border: 1px $success-color solid
border-left: 5px $success-color solid
.ruleFailureRow
border: 1px $failure-color solid
border-left: 5px $failure-color solid
.service
text-overflow: ellipsis
overflow: hidden

View File

@@ -42,4 +42,9 @@ export default class Api {
const response = await this.client.get(`/entries?limit=50&operator=${operator}&timestamp=${timestamp}`);
return response.data;
}
}
getRecentTLSLinks = async () => {
const response = await this.client.get("/recentTLSLinks");
return response.data;
}
}