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The pod worker is the owner of when a container is running or not, and the start and stop of the probes for a given pod should be handled during the pod sync loop. This ensures that probes do not continue running even after eviction. Because the pod semantics allow lifecycle probes to shorten grace period, the probe is removed after the containers in a pod are terminated successfully. As an optimization, if the pod will have a very short grace period (0 or 1 seconds) we stop the probes immediately to reduce resource usage during eviction slightly. After this change, the probe manager is only called by the pod worker or by the reconcile loop.
51 lines
1.4 KiB
Go
51 lines
1.4 KiB
Go
/*
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Copyright 2015 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 testing
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import (
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v1 "k8s.io/api/core/v1"
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"k8s.io/apimachinery/pkg/types"
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"k8s.io/apimachinery/pkg/util/sets"
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)
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// FakeManager simulates a prober.Manager for testing.
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type FakeManager struct{}
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// Unused methods below.
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// AddPod simulates adding a Pod.
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func (FakeManager) AddPod(_ *v1.Pod) {}
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// RemovePod simulates removing a Pod.
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func (FakeManager) RemovePod(_ *v1.Pod) {}
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// Simulated stopping liveness and startup probes.
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func (FakeManager) StopLivenessAndStartup(_ *v1.Pod) {}
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// CleanupPods simulates cleaning up Pods.
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func (FakeManager) CleanupPods(_ map[types.UID]sets.Empty) {}
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// Start simulates start syncing the probe status
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func (FakeManager) Start() {}
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// UpdatePodStatus simulates updating the Pod Status.
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func (FakeManager) UpdatePodStatus(_ types.UID, podStatus *v1.PodStatus) {
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for i := range podStatus.ContainerStatuses {
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podStatus.ContainerStatuses[i].Ready = true
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}
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}
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