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7db339dba2
1. Scheduler bug-fix + scheduler-focussed E2E tests 2. Add cgroup v2 support for in-place pod resize 3. Enable full E2E pod resize test for containerd>=1.6.9 and EventedPLEG related changes. Co-Authored-By: Vinay Kulkarni <vskibum@gmail.com>
74 lines
2.5 KiB
Go
74 lines
2.5 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 pleg
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import (
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"time"
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"k8s.io/apimachinery/pkg/types"
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kubecontainer "k8s.io/kubernetes/pkg/kubelet/container"
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)
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// PodLifeCycleEventType define the event type of pod life cycle events.
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type PodLifeCycleEventType string
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type RelistDuration struct {
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// The period for relisting.
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RelistPeriod time.Duration
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// The relisting threshold needs to be greater than the relisting period +
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// the relisting time, which can vary significantly. Set a conservative
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// threshold to avoid flipping between healthy and unhealthy.
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RelistThreshold time.Duration
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}
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const (
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// ContainerStarted - event type when the new state of container is running.
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ContainerStarted PodLifeCycleEventType = "ContainerStarted"
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// ContainerDied - event type when the new state of container is exited.
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ContainerDied PodLifeCycleEventType = "ContainerDied"
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// ContainerRemoved - event type when the old state of container is exited.
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ContainerRemoved PodLifeCycleEventType = "ContainerRemoved"
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// PodSync is used to trigger syncing of a pod when the observed change of
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// the state of the pod cannot be captured by any single event above.
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PodSync PodLifeCycleEventType = "PodSync"
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// ContainerChanged - event type when the new state of container is unknown.
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ContainerChanged PodLifeCycleEventType = "ContainerChanged"
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)
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// PodLifecycleEvent is an event that reflects the change of the pod state.
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type PodLifecycleEvent struct {
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// The pod ID.
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ID types.UID
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// The type of the event.
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Type PodLifeCycleEventType
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// The accompanied data which varies based on the event type.
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// - ContainerStarted/ContainerStopped: the container name (string).
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// - All other event types: unused.
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Data interface{}
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}
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// PodLifecycleEventGenerator contains functions for generating pod life cycle events.
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type PodLifecycleEventGenerator interface {
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Start()
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Stop()
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Update(relistDuration *RelistDuration)
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Watch() chan *PodLifecycleEvent
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Healthy() (bool, error)
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Relist()
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UpdateCache(*kubecontainer.Pod, types.UID) (error, bool)
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}
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