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v0.16.0
troubleshoot/Makefile
Simon Croome 977fc438ea Remote host collectors (#392) 
* Add collect command and remote host collectors

Adds the ability to run a host collector on a set of remote k8s nodes.
Target nodes can be filtered using the --selector flag, with the same
syntax as kubectl.  Existing flags for --collector-image,
--collector-pullpolicy and --request-timeout are used.  To run on a
specified node, --selector="kubernetes.io/hostname=kind-worker2" could
be used.

The collect command is used by the remote collector to output the
results using a "raw" format, which uses the filename as the key, and
the value the output as a escaped json string.  When run manually it
defaults to fully decoded json. The existing block devices,
ipv4interfaces and services host collectors don't decode properly - the
fix is to convert their slice output to a map (fix not included as
unsure what depends on the existing format).

The collect command is also useful for troubleshooting preflight issues.

Examples are included to show remote collector usage.

```
bin/collect --collector-image=croomes/troubleshoot:latest  examples/collect/remote/memory.yaml --namespace test
{
  "kind-control-plane": {
    "system/memory.json": {
      "total": 1304207360
    }
  },
  "kind-worker": {
    "system/memory.json": {
      "total": 1695780864
    }
  },
  "kind-worker2": {
    "system/memory.json": {
      "total": 1726353408
    }
  }
}
```

The preflight command has been updated to run remote collectors.  To run
a host collector remotely it must be specified in the spec as a
`remoteCollector`:

```
apiVersion: troubleshoot.sh/v1beta2
kind: HostPreflight
metadata:
  name: memory
spec:
  remoteCollectors:
    - memory:
        collectorName: memory
  analyzers:
    - memory:
        outcomes:
          - fail:
              when: "< 8Gi"
              message: At least 8Gi of memory is required
          - warn:
              when: "< 32Gi"
              message: At least 32Gi of memory is recommended
          - pass:
              message: The system has as sufficient memory
```

Results for each node are analyzed separately, with the node name
appended to the title:

```
bin/preflight --interactive=false --collector-image=croomes/troubleshoot:latest examples/preflight/remote/memory.yaml --format=json
{memory running 0 1}
{memory completed 1 1}
{
  "fail": [
    {
      "title": "Amount of Memory (kind-worker2)",
      "message": "At least 8Gi of memory is required"
    },
    {
      "title": "Amount of Memory (kind-worker)",
      "message": "At least 8Gi of memory is required"
    },
    {
      "title": "Amount of Memory (kind-control-plane)",
      "message": "At least 8Gi of memory is required"
    }
  ]
}
```

Also added a host collector to allow preflight checks of required kernel
modules, which is the main driver for this change.
2021-10-06 09:03:53 -05:00

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Makefile
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# Image URL to use all building/pushing image targets
IMG ?= controller:latest
export GO111MODULE=on
export GOPROXY=https://proxy.golang.org
SHELL := /bin/bash -o pipefail
VERSION_PACKAGE = github.com/replicatedhq/troubleshoot/pkg/version
VERSION ?=`git describe --tags --dirty`
DATE=`date -u +"%Y-%m-%dT%H:%M:%SZ"`
GIT_TREE = $(shell git rev-parse --is-inside-work-tree 2>/dev/null)
ifneq "$(GIT_TREE)" ""
define GIT_UPDATE_INDEX_CMD
git update-index --assume-unchanged
endef
define GIT_SHA
`git rev-parse HEAD`
endef
else
define GIT_UPDATE_INDEX_CMD
echo "Not a git repo, skipping git update-index"
endef
define GIT_SHA
""
endef
endif
define LDFLAGS
-ldflags "\
-s -w \
-X ${VERSION_PACKAGE}.version=${VERSION} \
-X ${VERSION_PACKAGE}.gitSHA=${GIT_SHA} \
-X ${VERSION_PACKAGE}.buildTime=${DATE} \
"
endef
BUILDFLAGS = -tags "netgo containers_image_ostree_stub exclude_graphdriver_devicemapper exclude_graphdriver_btrfs containers_image_openpgp" -installsuffix netgo
all: test
.PHONY: ffi
ffi: fmt vet
go build ${BUILDFLAGS} ${LDFLAGS} -o bin/troubleshoot.so -buildmode=c-shared ffi/main.go
# Run tests
test: generate fmt vet
go test ${BUILDFLAGS} ./pkg/... ./cmd/... -coverprofile cover.out
.PHONY: support-bundle
support-bundle: generate fmt vet
go build ${BUILDFLAGS} ${LDFLAGS} -o bin/support-bundle github.com/replicatedhq/troubleshoot/cmd/troubleshoot
.PHONY: preflight
preflight: generate fmt vet
go build ${BUILDFLAGS} ${LDFLAGS} -o bin/preflight github.com/replicatedhq/troubleshoot/cmd/preflight
.PHONY: analyze
analyze: generate fmt vet
go build ${BUILDFLAGS} ${LDFLAGS} -o bin/analyze github.com/replicatedhq/troubleshoot/cmd/analyze
.PHONY: collect
collect: generate fmt vet
go build ${BUILDFLAGS} ${LDFLAGS} -o bin/collect github.com/replicatedhq/troubleshoot/cmd/collect
.PHONY: fmt
fmt:
go fmt ./pkg/... ./cmd/...
.PHONY: vet
vet:
go vet ${BUILDFLAGS} ./pkg/... ./cmd/...
.PHONY: generate
generate: controller-gen client-gen
$(CONTROLLER_GEN) \
object:headerFile=./hack/boilerplate.go.txt paths=./pkg/apis/...
$(CLIENT_GEN) \
--output-package=github.com/replicatedhq/troubleshoot/pkg/client \
--clientset-name troubleshootclientset \
--input-base github.com/replicatedhq/troubleshoot/pkg/apis \
--input troubleshoot/v1beta1 \
--input troubleshoot/v1beta2 \
-h ./hack/boilerplate.go.txt
.PHONY: openapischema
openapischema: controller-gen
controller-gen crd +output:dir=./config/crds paths=./pkg/apis/troubleshoot/v1beta1
controller-gen crd +output:dir=./config/crds paths=./pkg/apis/troubleshoot/v1beta2
.PHONY: schemas
schemas: fmt vet openapischema
go build ${LDFLAGS} -o bin/schemagen github.com/replicatedhq/troubleshoot/cmd/schemagen
./bin/schemagen --output-dir ./schemas
controller-gen:
go get sigs.k8s.io/controller-tools/cmd/controller-gen@v0.7.0
CONTROLLER_GEN=$(shell which controller-gen)
.PHONY: client-gen
client-gen:
ifeq (, $(shell which client-gen))
go get k8s.io/code-generator/cmd/client-gen@kubernetes-1.18.0
CLIENT_GEN=$(shell go env GOPATH)/bin/client-gen
else
CLIENT_GEN=$(shell which client-gen)
endif
.PHONY: release
release: export GITHUB_TOKEN = $(shell echo ${GITHUB_TOKEN_TROUBLESHOOT})
release:
curl -sL https://git.io/goreleaser | bash -s -- --rm-dist --config deploy/.goreleaser.yml
.PHONY: snapshot-release
snapshot-release:
curl -sL https://git.io/goreleaser | bash -s -- --rm-dist --snapshot --config deploy/.goreleaser.snapshot.yml
docker push replicated/troubleshoot:alpha
docker push replicated/preflight:alpha
.PHONY: local-release
local-release:
curl -sL https://git.io/goreleaser | bash -s -- --rm-dist --snapshot --config deploy/.goreleaser.yaml
docker tag replicated/troubleshoot:alpha localhost:32000/troubleshoot:alpha
docker tag replicated/preflight:alpha localhost:32000/preflight:alpha
docker push localhost:32000/troubleshoot:alpha
docker push localhost:32000/preflight:alpha
.PHONY: run-preflight
run-preflight: preflight
./bin/preflight ./examples/preflight/sample-preflight.yaml
.PHONY: run-troubleshoot
run-troubleshoot: support-bundle
./bin/support-bundle ./examples/support-bundle/sample-supportbundle.yaml
.PHONY: run-analyze
run-analyze: analyze
./bin/analyze --analyzers ./examples/support-bundle/sample-analyzers.yaml ./support-bundle.tar.gz
.PHONY: init-sbom
init-sbom:
mkdir -p sbom/spdx sbom/assets
.PHONY: install-spdx-sbom-generator
install-spdx-sbom-generator: init-sbom
./scripts/initialize-sbom-build.sh
SPDX_GENERATOR=./sbom/spdx-sbom-generator
.PHONY: generate-sbom
generate-sbom: install-spdx-sbom-generator
$(SPDX_GENERATOR) -o ./sbom/spdx
sbom/assets/troubleshoot-sbom.tgz: generate-sbom
tar -czf sbom/assets/troubleshoot-sbom.tgz sbom/spdx/*.spdx
sbom: sbom/assets/troubleshoot-sbom.tgz
cosign sign-blob -key cosign.key sbom/assets/troubleshoot-sbom.tgz > sbom/assets/troubleshoot-sbom.tgz.sig
cosign public-key -key cosign.key -outfile sbom/assets/key.pub
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