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Merge pull request #816 from hakman/remove_fakeclock

Browse Source 
Remove dependency on code.cloudfoundry.org/clock
This commit is contained in:
Kubernetes Prow Robot
2023-09-19 09:39:07 -07:00
committed by GitHub
parent fb498567b4 65e4aa3c5e
commit ed94dff2cd
18 changed files with 4 additions and 607 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
go.mod
View File

@@ -4,7 +4,6 @@ go 1.20
require (
cloud.google.com/go/compute/metadata v0.2.3
code.cloudfoundry.org/clock v1.1.0
contrib.go.opencensus.io/exporter/prometheus v0.4.2
contrib.go.opencensus.io/exporter/stackdriver v0.13.14
github.com/acobaugh/osrelease v0.1.0

3
go.sum
View File

@@ -58,8 +58,6 @@ cloud.google.com/go/storage v1.8.0/go.mod h1:Wv1Oy7z6Yz3DshWRJFhqM/UCfaWIRTdp0RX
cloud.google.com/go/storage v1.10.0/go.mod h1:FLPqc6j+Ki4BU591ie1oL6qBQGu2Bl/tZ9ullr3+Kg0=
cloud.google.com/go/trace v1.10.1 h1:EwGdOLCNfYOOPtgqo+D2sDLZmRCEO1AagRTJCU6ztdg=
cloud.google.com/go/trace v1.10.1/go.mod h1:gbtL94KE5AJLH3y+WVpfWILmqgc6dXcqgNXdOPAQTYk=
code.cloudfoundry.org/clock v1.1.0 h1:XLzC6W3Ah/Y7ht1rmZ6+QfPdt1iGWEAAtIZXgiaj57c=
code.cloudfoundry.org/clock v1.1.0/go.mod h1:yA3fxddT9RINQL2XHS7PS+OXxKCGhfrZmlNUCIM6AKo=
contrib.go.opencensus.io/exporter/prometheus v0.4.2 h1:sqfsYl5GIY/L570iT+l93ehxaWJs2/OwXtiWwew3oAg=
contrib.go.opencensus.io/exporter/prometheus v0.4.2/go.mod h1:dvEHbiKmgvbr5pjaF9fpw1KeYcjrnC1J8B+JKjsZyRQ=
contrib.go.opencensus.io/exporter/stackdriver v0.13.14 h1:zBakwHardp9Jcb8sQHcHpXy/0+JIb1M8KjigCJzx7+4=
@@ -1074,7 +1072,6 @@ github.com/syndtr/gocapability v0.0.0-20170704070218-db04d3cc01c8/go.mod h1:hkRG
github.com/syndtr/gocapability v0.0.0-20180916011248-d98352740cb2/go.mod h1:hkRG7XYTFWNJGYcbNJQlaLq0fg1yr4J4t/NcTQtrfww=
github.com/syndtr/gocapability v0.0.0-20200815063812-42c35b437635/go.mod h1:hkRG7XYTFWNJGYcbNJQlaLq0fg1yr4J4t/NcTQtrfww=
github.com/tchap/go-patricia v2.2.6+incompatible/go.mod h1:bmLyhP68RS6kStMGxByiQ23RP/odRBOTVjwp2cDyi6I=
github.com/tedsuo/ifrit v0.0.0-20230330192023-5cba443a66c4 h1:MGZzzxBuPuK4J0XQo+0uy0NnXQGKzHXhYp5oG1Wy860=
github.com/tidwall/pretty v1.0.0/go.mod h1:XNkn88O1ChpSDQmQeStsy+sBenx6DDtFZJxhVysOjyk=
github.com/tklauser/go-sysconf v0.3.12 h1:0QaGUFOdQaIVdPgfITYzaTegZvdCjmYO52cSFAEVmqU=
github.com/tklauser/go-sysconf v0.3.12/go.mod h1:Ho14jnntGE1fpdOqQEEaiKRpvIavV0hSfmBq8nJbHYI=

3
pkg/systemlogmonitor/logwatchers/filelog/log_watcher.go
View File

@@ -23,7 +23,6 @@ import (
"strings"
"time"
utilclock "code.cloudfoundry.org/clock"
"k8s.io/klog/v2"
"k8s.io/node-problem-detector/pkg/systemlogmonitor/logwatchers/types"
@@ -40,7 +39,6 @@ type filelogWatcher struct {
logCh chan *logtypes.Log
startTime time.Time
tomb *tomb.Tomb
clock utilclock.Clock
}
// NewSyslogWatcherOrDie creates a new log watcher. The function panics
@@ -62,7 +60,6 @@ func NewSyslogWatcherOrDie(cfg types.WatcherConfig) types.LogWatcher {
tomb: tomb.NewTomb(),
// A capacity 1000 buffer should be enough
logCh: make(chan *logtypes.Log, 1000),
clock: utilclock.NewClock(),
}
}

6
pkg/systemlogmonitor/logwatchers/filelog/log_watcher_test.go
View File

@@ -25,8 +25,8 @@ import (
logtypes "k8s.io/node-problem-detector/pkg/systemlogmonitor/types"
"k8s.io/node-problem-detector/pkg/util"
"code.cloudfoundry.org/clock/fakeclock"
"github.com/stretchr/testify/assert"
testclock "k8s.io/utils/clock/testing"
)
// getTestPluginConfig returns a plugin config for test. Use configuration for
@@ -42,7 +42,7 @@ func getTestPluginConfig() map[string]string {
func TestWatch(t *testing.T) {
// now is a fake time
now := time.Date(time.Now().Year(), time.January, 2, 3, 4, 5, 0, time.Local)
fakeClock := fakeclock.NewFakeClock(now)
fakeClock := testclock.NewFakeClock(now)
testCases := []struct {
uptime time.Duration
lookback string
@@ -155,8 +155,6 @@ Jan 2 03:04:05 kernel: [2.000000] 3
})
// Set the startTime.
w.(*filelogWatcher).startTime, _ = util.GetStartTime(fakeClock.Now(), test.uptime, test.lookback, test.delay)
// Set the fake clock.
w.(*filelogWatcher).clock = fakeClock
logCh, err := w.Watch()
assert.NoError(t, err)
defer w.Stop()

3
pkg/systemlogmonitor/logwatchers/kmsg/log_watcher_linux.go
View File

@@ -21,7 +21,6 @@ import (
"strings"
"time"
utilclock "code.cloudfoundry.org/clock"
"github.com/euank/go-kmsg-parser/kmsgparser"
"k8s.io/klog/v2"
@@ -38,7 +37,6 @@ type kernelLogWatcher struct {
tomb *tomb.Tomb
kmsgParser kmsgparser.Parser
clock utilclock.Clock
}
// NewKmsgWatcher creates a watcher which will read messages from /dev/kmsg
@@ -58,7 +56,6 @@ func NewKmsgWatcher(cfg types.WatcherConfig) types.LogWatcher {
tomb: tomb.NewTomb(),
// Arbitrary capacity
logCh: make(chan *logtypes.Log, 100),
clock: utilclock.NewClock(),
}
}

6
pkg/systemlogmonitor/logwatchers/kmsg/log_watcher_linux_test.go
View File

@@ -17,12 +17,11 @@ limitations under the License.
package kmsg
import (
testclock "k8s.io/utils/clock/testing"
"testing"
"code.cloudfoundry.org/clock/fakeclock"
"github.com/euank/go-kmsg-parser/kmsgparser"
"github.com/stretchr/testify/assert"
"time"
"k8s.io/node-problem-detector/pkg/systemlogmonitor/logwatchers/types"
@@ -49,7 +48,7 @@ func (m *mockKmsgParser) SeekEnd() error { return nil }
func TestWatch(t *testing.T) {
now := time.Date(time.Now().Year(), time.January, 2, 3, 4, 5, 0, time.Local)
fakeClock := fakeclock.NewFakeClock(now)
fakeClock := testclock.NewFakeClock(now)
testCases := []struct {
uptime time.Duration
lookback string
@@ -150,7 +149,6 @@ func TestWatch(t *testing.T) {
for _, test := range testCases {
w := NewKmsgWatcher(types.WatcherConfig{Lookback: test.lookback})
w.(*kernelLogWatcher).startTime, _ = util.GetStartTime(fakeClock.Now(), test.uptime, test.lookback, test.delay)
w.(*kernelLogWatcher).clock = fakeClock
w.(*kernelLogWatcher).kmsgParser = test.log
logCh, err := w.Watch()
if err != nil {

201
vendor/code.cloudfoundry.org/clock/LICENSE generated vendored
View File

@@ -1,201 +0,0 @@
Apache License
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http://www.apache.org/licenses/
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You may add Your own copyright statement to Your modifications and
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5. Submission of Contributions. Unless You explicitly state otherwise,
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6. Trademarks. This License does not grant permission to use the trade
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To apply the Apache License to your work, attach the following
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20
vendor/code.cloudfoundry.org/clock/NOTICE generated vendored
View File

@@ -1,20 +0,0 @@
Copyright (c) 2015-Present CloudFoundry.org Foundation, Inc. All Rights Reserved.
This project contains software that is Copyright (c) 2015 Pivotal Software, Inc.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
This project may include a number of subcomponents with separate
copyright notices and license terms. Your use of these subcomponents
is subject to the terms and conditions of each subcomponent's license,
as noted in the LICENSE file.

13
vendor/code.cloudfoundry.org/clock/README.md generated vendored
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@@ -1,13 +0,0 @@
# clock
**Note**: This repository should be imported as `code.cloudfoundry.org/clock`.
Provides a `Clock` interface, useful for injecting time dependencies in tests.
## Reporting issues and requesting features
Please report all issues and feature requests in [cloudfoundry/diego-release](https://github.com/cloudfoundry/diego-release/issues).
## Contributing
For tagging please use the semver compatible version format e.g. `v1.0.0`.

53
vendor/code.cloudfoundry.org/clock/clock.go generated vendored
View File

@@ -1,53 +0,0 @@
package clock
import "time"
type Clock interface {
Now() time.Time
Sleep(d time.Duration)
Since(t time.Time) time.Duration
// After waits for the duration to elapse and then sends the current time
// on the returned channel.
// It is equivalent to clock.NewTimer(d).C.
// The underlying Timer is not recovered by the garbage collector
// until the timer fires. If efficiency is a concern, use clock.NewTimer
// instead and call Timer.Stop if the timer is no longer needed.
After(d time.Duration) <-chan time.Time
NewTimer(d time.Duration) Timer
NewTicker(d time.Duration) Ticker
}
type realClock struct{}
func NewClock() Clock {
return &realClock{}
}
func (clock *realClock) Now() time.Time {
return time.Now()
}
func (clock *realClock) Since(t time.Time) time.Duration {
return time.Now().Sub(t)
}
func (clock *realClock) Sleep(d time.Duration) {
<-clock.NewTimer(d).C()
}
func (clock *realClock) After(d time.Duration) <-chan time.Time {
return clock.NewTimer(d).C()
}
func (clock *realClock) NewTimer(d time.Duration) Timer {
return &realTimer{
t: time.NewTimer(d),
}
}
func (clock *realClock) NewTicker(d time.Duration) Ticker {
return &realTicker{
t: time.NewTicker(d),
}
}

139
vendor/code.cloudfoundry.org/clock/fakeclock/fake_clock.go generated vendored
View File

@@ -1,139 +0,0 @@
package fakeclock
import (
"errors"
"sync"
"time"
"code.cloudfoundry.org/clock"
)
type timeWatcher interface {
timeUpdated(time.Time)
shouldFire(time.Time) bool
repeatable() bool
}
type FakeClock struct {
now time.Time
watchers map[timeWatcher]struct{}
cond *sync.Cond
}
func NewFakeClock(now time.Time) *FakeClock {
return &FakeClock{
now: now,
watchers: make(map[timeWatcher]struct{}),
cond: &sync.Cond{L: &sync.Mutex{}},
}
}
func (clock *FakeClock) Since(t time.Time) time.Duration {
return clock.Now().Sub(t)
}
func (clock *FakeClock) Now() time.Time {
clock.cond.L.Lock()
defer clock.cond.L.Unlock()
return clock.now
}
func (clock *FakeClock) Increment(duration time.Duration) {
clock.increment(duration, false, 0)
}
func (clock *FakeClock) IncrementBySeconds(seconds uint64) {
clock.Increment(time.Duration(seconds) * time.Second)
}
func (clock *FakeClock) WaitForWatcherAndIncrement(duration time.Duration) {
clock.WaitForNWatchersAndIncrement(duration, 1)
}
func (clock *FakeClock) WaitForNWatchersAndIncrement(duration time.Duration, numWatchers int) {
clock.increment(duration, true, numWatchers)
}
func (clock *FakeClock) NewTimer(d time.Duration) clock.Timer {
timer := newFakeTimer(clock, d, false)
clock.addTimeWatcher(timer)
return timer
}
func (clock *FakeClock) Sleep(d time.Duration) {
<-clock.NewTimer(d).C()
}
func (clock *FakeClock) After(d time.Duration) <-chan time.Time {
return clock.NewTimer(d).C()
}
func (clock *FakeClock) NewTicker(d time.Duration) clock.Ticker {
if d <= 0 {
panic(errors.New("duration must be greater than zero"))
}
timer := newFakeTimer(clock, d, true)
clock.addTimeWatcher(timer)
return newFakeTicker(timer)
}
func (clock *FakeClock) WatcherCount() int {
clock.cond.L.Lock()
defer clock.cond.L.Unlock()
return len(clock.watchers)
}
func (clock *FakeClock) increment(duration time.Duration, waitForWatchers bool, numWatchers int) {
clock.cond.L.Lock()
for waitForWatchers && len(clock.watchers) < numWatchers {
clock.cond.Wait()
}
now := clock.now.Add(duration)
clock.now = now
watchers := make([]timeWatcher, 0)
newWatchers := map[timeWatcher]struct{}{}
for w, _ := range clock.watchers {
fire := w.shouldFire(now)
if fire {
watchers = append(watchers, w)
}
if !fire || w.repeatable() {
newWatchers[w] = struct{}{}
}
}
clock.watchers = newWatchers
clock.cond.L.Unlock()
for _, w := range watchers {
w.timeUpdated(now)
}
}
func (clock *FakeClock) addTimeWatcher(tw timeWatcher) {
clock.cond.L.Lock()
clock.watchers[tw] = struct{}{}
clock.cond.L.Unlock()
// force the timer to fire
clock.Increment(0)
clock.cond.Broadcast()
}
func (clock *FakeClock) removeTimeWatcher(tw timeWatcher) {
clock.cond.L.Lock()
delete(clock.watchers, tw)
clock.cond.L.Unlock()
}

25
vendor/code.cloudfoundry.org/clock/fakeclock/fake_ticker.go generated vendored
View File

@@ -1,25 +0,0 @@
package fakeclock
import (
"time"
"code.cloudfoundry.org/clock"
)
type fakeTicker struct {
timer clock.Timer
}
func newFakeTicker(timer *fakeTimer) *fakeTicker {
return &fakeTicker{
timer: timer,
}
}
func (ft *fakeTicker) C() <-chan time.Time {
return ft.timer.C()
}
func (ft *fakeTicker) Stop() {
ft.timer.Stop()
}

87
vendor/code.cloudfoundry.org/clock/fakeclock/fake_timer.go generated vendored
View File

@@ -1,87 +0,0 @@
package fakeclock
import (
"sync"
"time"
)
type fakeTimer struct {
clock *FakeClock
mutex sync.Mutex
completionTime time.Time
channel chan time.Time
duration time.Duration
repeat bool
}
func newFakeTimer(clock *FakeClock, d time.Duration, repeat bool) *fakeTimer {
return &fakeTimer{
clock: clock,
completionTime: clock.Now().Add(d),
channel: make(chan time.Time, 1),
duration: d,
repeat: repeat,
}
}
func (ft *fakeTimer) C() <-chan time.Time {
ft.mutex.Lock()
defer ft.mutex.Unlock()
return ft.channel
}
func (ft *fakeTimer) reset(d time.Duration) bool {
currentTime := ft.clock.Now()
ft.mutex.Lock()
active := !ft.completionTime.IsZero()
ft.completionTime = currentTime.Add(d)
ft.mutex.Unlock()
return active
}
func (ft *fakeTimer) Reset(d time.Duration) bool {
active := ft.reset(d)
ft.clock.addTimeWatcher(ft)
return active
}
func (ft *fakeTimer) Stop() bool {
ft.mutex.Lock()
active := !ft.completionTime.IsZero()
ft.mutex.Unlock()
ft.clock.removeTimeWatcher(ft)
return active
}
func (ft *fakeTimer) shouldFire(now time.Time) bool {
ft.mutex.Lock()
defer ft.mutex.Unlock()
if ft.completionTime.IsZero() {
return false
}
return now.After(ft.completionTime) || now.Equal(ft.completionTime)
}
func (ft *fakeTimer) repeatable() bool {
return ft.repeat
}
func (ft *fakeTimer) timeUpdated(now time.Time) {
select {
case ft.channel <- now:
default:
// drop on the floor. timers have a buffered channel anyway. according to
// godoc of the `time' package a ticker can loose ticks in case of a slow
// receiver
}
if ft.repeatable() {
ft.reset(ft.duration)
}
}

1
vendor/code.cloudfoundry.org/clock/fakeclock/package.go generated vendored
View File

@@ -1 +0,0 @@
package fakeclock // import "code.cloudfoundry.org/clock/fakeclock"

1
vendor/code.cloudfoundry.org/clock/package.go generated vendored
View File

@@ -1 +0,0 @@
package clock // import "code.cloudfoundry.org/clock"

20
vendor/code.cloudfoundry.org/clock/ticker.go generated vendored
View File

@@ -1,20 +0,0 @@
package clock
import "time"
type Ticker interface {
C() <-chan time.Time
Stop()
}
type realTicker struct {
t *time.Ticker
}
func (t *realTicker) C() <-chan time.Time {
return t.t.C
}
func (t *realTicker) Stop() {
t.t.Stop()
}

25
vendor/code.cloudfoundry.org/clock/timer.go generated vendored
View File

@@ -1,25 +0,0 @@
package clock
import "time"
type Timer interface {
C() <-chan time.Time
Reset(d time.Duration) bool
Stop() bool
}
type realTimer struct {
t *time.Timer
}
func (t *realTimer) C() <-chan time.Time {
return t.t.C
}
func (t *realTimer) Reset(d time.Duration) bool {
return t.t.Reset(d)
}
func (t *realTimer) Stop() bool {
return t.t.Stop()
}

4
vendor/modules.txt vendored
View File

@@ -14,10 +14,6 @@ cloud.google.com/go/monitoring/internal
cloud.google.com/go/trace/apiv2
cloud.google.com/go/trace/apiv2/tracepb
cloud.google.com/go/trace/internal
# code.cloudfoundry.org/clock v1.1.0
## explicit; go 1.20
code.cloudfoundry.org/clock
code.cloudfoundry.org/clock/fakeclock
# contrib.go.opencensus.io/exporter/prometheus v0.4.2
## explicit; go 1.13
contrib.go.opencensus.io/exporter/prometheus