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fixed possible resource leak

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This commit is contained in:
yusing 2024-09-22 04:11:02 +08:00
parent a11ce46028
commit d39b68bfd8
1 changed files with 10 additions and 6 deletions
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14
src/watcher/docker_watcher.go
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@ -33,6 +33,8 @@ var (
DockerFilterUnpause = filters.Arg("event", string(docker_events.ActionUnPause))
NewDockerFilter = filters.NewArgs
dockerWatcherRetryInterval = 3 * time.Second
)
func DockerrFilterContainerName(name string) filters.KeyValuePair {
@ -56,6 +58,8 @@ func (w DockerWatcher) EventsWithOptions(ctx context.Context, options DockerList
errCh := make(chan E.NestedError)
started := make(chan struct{})
eventsCtx, eventsCancel := context.WithCancel(ctx)
go func() {
defer close(eventCh)
defer close(errCh)
@ -80,12 +84,12 @@ func (w DockerWatcher) EventsWithOptions(ctx context.Context, options DockerList
case <-ctx.Done():
return
default:
time.Sleep(3 * time.Second)
time.Sleep(dockerWatcherRetryInterval)
}
}
}
cEventCh, cErrCh := w.client.Events(ctx, options)
cEventCh, cErrCh := w.client.Events(eventsCtx, options)
started <- struct{}{}
for {
@ -118,13 +122,13 @@ func (w DockerWatcher) EventsWithOptions(ctx context.Context, options DockerList
case <-ctx.Done():
return
default:
if D.IsErrConnectionFailed(err) {
time.Sleep(100 * time.Millisecond)
eventsCancel()
time.Sleep(dockerWatcherRetryInterval)
eventsCtx, eventsCancel = context.WithCancel(ctx)
cEventCh, cErrCh = w.client.Events(ctx, options)
}
}
}
}
}()
<-started