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KCM: specifies the upper-bound timeout limit for outgoing requests
Previously no timeout was set. Requests without explicit timeout might potentially hang forever and lead to starvation of the application.
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@ -21,6 +21,7 @@ package options
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import (
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"fmt"
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"net"
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"time"
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v1 "k8s.io/api/core/v1"
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utilerrors "k8s.io/apimachinery/pkg/util/errors"
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@ -434,6 +435,7 @@ func (s KubeControllerManagerOptions) Config(allControllers []string, disabledBy
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kubeconfig.ContentConfig.ContentType = s.Generic.ClientConnection.ContentType
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kubeconfig.QPS = s.Generic.ClientConnection.QPS
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kubeconfig.Burst = int(s.Generic.ClientConnection.Burst)
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kubeconfig.Timeout = 70 * time.Second // slightly bigger than the default server timeout which is 60 seconds
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client, err := clientset.NewForConfig(restclient.AddUserAgent(kubeconfig, KubeControllerManagerUserAgent))
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if err != nil {
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