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f8bf6b97b8
Update description Improve flag comment Update Test case value to be 50s by default Update Description Run make update Minor description fix
52 lines
2.3 KiB
Go
52 lines
2.3 KiB
Go
/*
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Copyright 2019 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package v1alpha1
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import (
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"time"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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kubectrlmgrconfigv1alpha1 "k8s.io/kube-controller-manager/config/v1alpha1"
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)
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// RecommendedDefaultNodeLifecycleControllerConfiguration defaults a pointer to a
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// NodeLifecycleControllerConfiguration struct. This will set the recommended default
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// values, but they may be subject to change between API versions. This function
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// is intentionally not registered in the scheme as a "normal" `SetDefaults_Foo`
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// function to allow consumers of this type to set whatever defaults for their
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// embedded configs. Forcing consumers to use these defaults would be problematic
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// as defaulting in the scheme is done as part of the conversion, and there would
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// be no easy way to opt-out. Instead, if you want to use this defaulting method
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// run it in your wrapper struct of this type in its `SetDefaults_` method.
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func RecommendedDefaultNodeLifecycleControllerConfiguration(obj *kubectrlmgrconfigv1alpha1.NodeLifecycleControllerConfiguration) {
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zero := metav1.Duration{}
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if obj.PodEvictionTimeout == zero {
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obj.PodEvictionTimeout = metav1.Duration{Duration: 5 * time.Minute}
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}
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// NodeMonitorGracePeriod is set to a default value of 50 seconds.
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// This value should be greater than the sum of HTTP2_PING_TIMEOUT_SECONDS (30s)
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// and HTTP2_READ_IDLE_TIMEOUT_SECONDS (15s) from the http2 health check
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// to ensure that the server has adequate time to handle slow or idle connections
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// properly before marking a node as unhealthy.
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if obj.NodeMonitorGracePeriod == zero {
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obj.NodeMonitorGracePeriod = metav1.Duration{Duration: 50 * time.Second}
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}
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if obj.NodeStartupGracePeriod == zero {
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obj.NodeStartupGracePeriod = metav1.Duration{Duration: 60 * time.Second}
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}
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}
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