61d51243c5
This interface will be used to inject functionality and logic into the runtimes that should be shared accross runtimes.
65 lines
1.9 KiB
Go
65 lines
1.9 KiB
Go
/*
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Copyright 2015 Google Inc. 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 kubelet
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import (
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"github.com/GoogleCloudPlatform/kubernetes/pkg/api"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/client/record"
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kubecontainer "github.com/GoogleCloudPlatform/kubernetes/pkg/kubelet/container"
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"github.com/golang/glog"
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)
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// Kubelet-specific runtime hooks.
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type kubeletRuntimeHooks struct {
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recorder record.EventRecorder
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}
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var _ kubecontainer.RuntimeHooks = &kubeletRuntimeHooks{}
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func newKubeletRuntimeHooks(recorder record.EventRecorder) kubecontainer.RuntimeHooks {
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return &kubeletRuntimeHooks{
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recorder: recorder,
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}
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}
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func (kr *kubeletRuntimeHooks) ShouldPullImage(pod *api.Pod, container *api.Container, imagePresent bool) bool {
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if container.ImagePullPolicy == api.PullNever {
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return false
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}
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if container.ImagePullPolicy == api.PullAlways ||
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(container.ImagePullPolicy == api.PullIfNotPresent && (!imagePresent)) {
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return true
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}
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return false
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}
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func (kr *kubeletRuntimeHooks) ReportImagePull(pod *api.Pod, container *api.Container, err error) {
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ref, err := kubecontainer.GenerateContainerRef(pod, container)
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if err != nil {
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glog.Errorf("Couldn't make a ref to pod %v, container %v: '%v'", pod.Name, container.Name, err)
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return
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}
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if err != nil {
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kr.recorder.Eventf(ref, "failed", "Failed to pull image %q: %v", container.Image, err)
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} else {
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kr.recorder.Eventf(ref, "pulled", "Successfully pulled image %q", container.Image)
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}
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}
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