63 lines
2.1 KiB
Go
63 lines
2.1 KiB
Go
/*
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Copyright 2017 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 server
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import (
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"fmt"
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"github.com/golang/glog"
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"golang.org/x/net/context"
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"k8s.io/kubernetes/pkg/kubelet/apis/cri/v1alpha1/runtime"
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)
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// ImageStatus returns the status of the image, returns nil if the image isn't present.
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// TODO(random-liu): We should change CRI to distinguish image id and image spec. (See
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// kubernetes/kubernetes#46255)
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func (c *criContainerdService) ImageStatus(ctx context.Context, r *runtime.ImageStatusRequest) (retRes *runtime.ImageStatusResponse, retErr error) {
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glog.V(5).Infof("ImageStatus for image %q", r.GetImage().GetImage())
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defer func() {
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if retErr == nil {
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glog.V(5).Infof("ImageStatus for %q returns image status %+v",
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r.GetImage().GetImage(), retRes.GetImage())
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}
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}()
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image, err := c.localResolve(ctx, r.GetImage().GetImage())
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if err != nil {
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return nil, fmt.Errorf("can not resolve %q locally: %v", r.GetImage().GetImage(), err)
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}
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if image == nil {
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// return empty without error when image not found.
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return &runtime.ImageStatusResponse{}, nil
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}
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// TODO(random-liu): [P0] Make sure corresponding snapshot exists. What if snapshot
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// doesn't exist?
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runtimeImage := &runtime.Image{
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Id: image.ID,
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RepoTags: image.RepoTags,
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RepoDigests: image.RepoDigests,
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Size_: uint64(image.Size),
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}
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uid, username := getUserFromImage(image.Config.User)
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if uid != nil {
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runtimeImage.Uid = &runtime.Int64Value{Value: *uid}
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}
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runtimeImage.Username = username
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// TODO(mikebrow): write a ImageMetadata to runtime.Image converter
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return &runtime.ImageStatusResponse{Image: runtimeImage}, nil
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}
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