fix(poller): graceful shutdown

This commit is contained in:
Bo-Yi Wu 2022-11-11 16:57:41 +08:00 committed by Jason Song
parent 8cffac65d9
commit 9830f34d36
1 changed files with 6 additions and 17 deletions

View File

@ -12,11 +12,6 @@ import (
log "github.com/sirupsen/logrus"
)
const (
errorRetryCounterLimit = 3
errorRetryTimeSleepSecs = 30
)
var ErrDataLock = errors.New("Data Lock Error")
func New(cli client.Client, dispatch func(context.Context, *runnerv1.Task) error) *Poller {
@ -35,7 +30,6 @@ type Poller struct {
routineGroup *routineGroup
metric *metric
errorRetryCounter int
}
func (p *Poller) Wait() {
@ -59,10 +53,10 @@ func (p *Poller) Poll(ctx context.Context, n int) error {
if err := p.poll(ctx, i+1); err != nil {
log.WithField("thread", i+1).
WithError(err).Error("poll error")
if p.errorRetryCounter > errorRetryCounterLimit {
log.WithField("thread", i+1).Error("poller: too many errors, sleeping for 30 seconds")
// FIXME: it makes ctrl+c hang up
time.Sleep(time.Second * errorRetryTimeSleepSecs)
select {
case <-ctx.Done():
return
case <-time.After(5 * time.Second):
}
}
}
@ -86,19 +80,16 @@ func (p *Poller) poll(ctx context.Context, thread int) error {
resp, err := p.Client.FetchTask(reqCtx, connect.NewRequest(&runnerv1.FetchTaskRequest{}))
if err == context.Canceled || err == context.DeadlineExceeded {
l.WithError(err).Trace("poller: no stage returned")
p.errorRetryCounter++
return nil
}
if err != nil && err == ErrDataLock {
l.WithError(err).Info("task accepted by another runner")
p.errorRetryCounter++
return nil
}
if err != nil {
l.WithError(err).Error("cannot accept task")
p.errorRetryCounter++
return err
}
@ -108,8 +99,6 @@ func (p *Poller) poll(ctx context.Context, thread int) error {
return nil
}
p.errorRetryCounter = 0
runCtx, cancel := context.WithTimeout(ctx, time.Hour)
defer cancel()