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KCM: specifies the upper-bound timeout limit for outgoing requests

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Previously no timeout was set.
Requests without explicit timeout might potentially hang forever and lead to starvation of the application.
This commit is contained in:
Lukasz Szaszkiewicz 2021-02-23 13:08:19 +01:00
parent 54691ed806
commit 662cc70c70
1 changed files with 2 additions and 0 deletions
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2
cmd/kube-controller-manager/app/options/options.go
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@ -21,6 +21,7 @@ package options
import (
"fmt"
"net"
"time"
v1 "k8s.io/api/core/v1"
utilerrors "k8s.io/apimachinery/pkg/util/errors"
@ -434,6 +435,7 @@ func (s KubeControllerManagerOptions) Config(allControllers []string, disabledBy
kubeconfig.ContentConfig.ContentType = s.Generic.ClientConnection.ContentType
kubeconfig.QPS = s.Generic.ClientConnection.QPS
kubeconfig.Burst = int(s.Generic.ClientConnection.Burst)
kubeconfig.Timeout = 70 * time.Second // slightly bigger than the default server timeout which is 60 seconds
client, err := clientset.NewForConfig(restclient.AddUserAgent(kubeconfig, KubeControllerManagerUserAgent))
if err != nil {