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67746908e5
In upstream the kubelet is responsible for all pods which have the spec.NodeName set. In Mesos we have a two-stage scheduling process: 1. pods with a pre-set spec.NodeName are still scheduled by the scheduler. 2. The kubelet will only see them when a Mesos task was started and the executor passes the pod to the kubelet. With this PR a pod with spec.NodeName which is gracefully terminated, but not yet scheduled, e.g. - because the termination happened just after creation and the scheduler was not fast enough - because the NodeSelector does not match is deleted by the Mesos scheduler.
81 lines
1.9 KiB
Go
81 lines
1.9 KiB
Go
/*
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Copyright 2015 The Kubernetes Authors All rights reserved.
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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 scheduler
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import (
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"fmt"
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"time"
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"k8s.io/kubernetes/contrib/mesos/pkg/queue"
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"k8s.io/kubernetes/pkg/api"
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"k8s.io/kubernetes/pkg/client/cache"
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)
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// wrapper for the k8s pod type so that we can define additional methods on a "pod"
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type Pod struct {
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*api.Pod
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deadline *time.Time
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delay *time.Duration
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notify queue.BreakChan
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}
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// implements Copyable
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func (p *Pod) Copy() queue.Copyable {
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if p == nil {
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return nil
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}
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//TODO(jdef) we may need a better "deep-copy" implementation
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pod := *(p.Pod)
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return &Pod{Pod: &pod}
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}
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// implements Unique
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func (p *Pod) GetUID() string {
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if id, err := cache.MetaNamespaceKeyFunc(p.Pod); err != nil {
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panic(fmt.Sprintf("failed to determine pod id for '%+v'", p.Pod))
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} else {
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return id
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}
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}
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// implements Deadlined
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func (dp *Pod) Deadline() (time.Time, bool) {
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if dp.deadline != nil {
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return *(dp.deadline), true
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}
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return time.Time{}, false
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}
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func (dp *Pod) GetDelay() time.Duration {
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if dp.delay != nil {
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return *(dp.delay)
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}
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return 0
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}
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func (p *Pod) Breaker() queue.BreakChan {
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return p.notify
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}
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func (p *Pod) String() string {
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displayDeadline := "<none>"
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if deadline, ok := p.Deadline(); ok {
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displayDeadline = deadline.String()
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}
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return fmt.Sprintf("{pod:%v, deadline:%v, delay:%v}", p.Pod.Name, displayDeadline, p.GetDelay())
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}
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