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impersonator config: catch panics when running impersonator

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Signed-off-by: Monis Khan <mok@vmware.com>
This commit is contained in:
Monis Khan 2021-03-18 10:28:16 -04:00
parent aa79bc7609
commit 205c22ddbe
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GPG Key ID: 52C90ADA01B269B8
1 changed files with 3 additions and 0 deletions
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3
internal/controller/impersonatorconfig/impersonator_config.go
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@ -20,6 +20,7 @@ import (
"k8s.io/apimachinery/pkg/util/clock" "k8s.io/apimachinery/pkg/util/clock"
"k8s.io/apimachinery/pkg/util/errors" "k8s.io/apimachinery/pkg/util/errors"
"k8s.io/apimachinery/pkg/util/intstr" "k8s.io/apimachinery/pkg/util/intstr"
utilruntime "k8s.io/apimachinery/pkg/util/runtime"
"k8s.io/apimachinery/pkg/util/sets" "k8s.io/apimachinery/pkg/util/sets"
corev1informers "k8s.io/client-go/informers/core/v1" corev1informers "k8s.io/client-go/informers/core/v1"
"k8s.io/client-go/kubernetes" "k8s.io/client-go/kubernetes"
@ -383,6 +384,8 @@ func (c *impersonatorConfigController) ensureImpersonatorIsStarted(syncCtx contr
// startImpersonatorFunc will block until the server shuts down (or fails to start), so run it in the background. // startImpersonatorFunc will block until the server shuts down (or fails to start), so run it in the background.
go func() { go func() {
defer utilruntime.HandleCrash()
// The server has stopped, so enqueue ourselves for another sync, // The server has stopped, so enqueue ourselves for another sync,
// so we can try to start the server again as quickly as possible. // so we can try to start the server again as quickly as possible.
defer syncCtx.Queue.AddRateLimited(syncCtx.Key) defer syncCtx.Queue.AddRateLimited(syncCtx.Key)