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Wait for c8d process exit instead of polling API

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In the containerd supervisor, instead of polling the healthcheck API
every 500 milliseconds we can just wait for the process to exit.

Signed-off-by: Brian Goff <cpuguy83@gmail.com>
This commit is contained in:
Brian Goff 2019-10-16 12:23:10 -07:00
parent f5bb374a0c
commit bef73d8b07
1 changed files with 9 additions and 0 deletions
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9
libcontainerd/supervisor/remote_daemon.go
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@ -300,6 +300,7 @@ func (r *remote) monitorDaemon(ctx context.Context) {
delay = 100 * time.Millisecond
continue
}
logrus.WithField("address", r.GRPC.Address).Debug("Created containerd monitoring client")
}
if client != nil {
@ -313,6 +314,14 @@ func (r *remote) monitorDaemon(ctx context.Context) {
}
transientFailureCount = 0
select {
case <-r.daemonWaitCh:
case <-ctx.Done():
}
// Set a small delay in case there is a recurring failure (or bug in this code)
// to ensure we don't end up in a super tight loop.
delay = 500 * time.Millisecond
continue
}