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Code Issues Releases Activity

Stop LogStream if there is an error in k8s pod log streaming (#1469)

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* Stop LogStream if there is an error in k8s pod log streaming

* Locking stream Stops

* PR comment
This commit is contained in:
Janos Dobronszki
2020-04-02 13:16:35 +02:00
committed by GitHub
parent 0241197c6a
commit 2cafa289b6
5 changed files with 18 additions and 4 deletions
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4
debug/log/kubernetes/stream.go
View File

@@ -4,6 +4,7 @@ import (
"encoding/json"
"fmt"
"os"
"sync"
"github.com/micro/go-micro/v2/debug/log"
)
@@ -20,6 +21,7 @@ func write(l log.Record) error {
type kubeStream struct {
// the k8s log stream
stream chan log.Record
sync.Mutex
// the stop chan
stop chan bool
}
@@ -29,6 +31,8 @@ func (k *kubeStream) Chan() <-chan log.Record {
}
func (k *kubeStream) Stop() error {
k.Lock()
defer k.Unlock()
select {
case <-k.stop:
return nil

7
runtime/default.go
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@@ -259,8 +259,9 @@ type logStream struct {
tail *tail.Tail
service string
stream chan LogRecord
stop chan bool
err error
sync.Mutex
stop chan bool
err error
}
func (l *logStream) Chan() chan LogRecord {
@@ -272,6 +273,8 @@ func (l *logStream) Error() error {
}
func (l *logStream) Stop() error {
l.Lock()
defer l.Unlock()
// @todo seems like this is causing a hangup
//err := l.tail.Stop()
//if err != nil {

3
runtime/kubernetes/kubernetes.go
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@@ -330,6 +330,7 @@ type kubeStream struct {
// the k8s log stream
stream chan runtime.LogRecord
// the stop chan
sync.Mutex
stop chan bool
err error
}
@@ -343,6 +344,8 @@ func (k *kubeStream) Chan() chan runtime.LogRecord {
}
func (k *kubeStream) Stop() error {
k.Lock()
defer k.Unlock()
select {
case <-k.stop:
return nil

1
runtime/kubernetes/kubernetes_logs.go
View File

@@ -32,6 +32,7 @@ func (k *klog) podLogStream(podName string, stream *kubeStream) error {
if err != nil {
stream.err = err
stream.Stop()
return err
}

7
runtime/service/service.go
View File

@@ -95,8 +95,9 @@ func (s *svc) Logs(service *runtime.Service, options ...runtime.LogsOption) (run
type serviceLogStream struct {
service string
stream chan runtime.LogRecord
stop chan bool
err error
sync.Mutex
stop chan bool
err error
}
func (l *serviceLogStream) Error() error {
@@ -108,6 +109,8 @@ func (l *serviceLogStream) Chan() chan runtime.LogRecord {
}
func (l *serviceLogStream) Stop() error {
l.Lock()
defer l.Unlock()
select {
case <-l.stop:
return nil