containerd/pkg/server/image_list.go
Mike Brown e5199c0cda initial implementation for image management
Signed-off-by: Mike Brown <brownwm@us.ibm.com>
2017-05-11 19:32:44 -05:00

51 lines
1.6 KiB
Go

/*
Copyright 2017 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package server
import (
"fmt"
"golang.org/x/net/context"
"k8s.io/kubernetes/pkg/kubelet/api/v1alpha1/runtime"
)
// ListImages lists existing images.
// TODO(mikebrow): add filters
// TODO(mikebrow): harden api
func (c *criContainerdService) ListImages(ctx context.Context, r *runtime.ListImagesRequest) (*runtime.ListImagesResponse, error) {
imageMetadataA, err := c.imageMetadataStore.List()
if err != nil {
return nil, fmt.Errorf("failed to list image metadata from store %v", err)
}
// TODO(mikebrow): Get the id->tags, and id->digest mapping from our checkpoint;
// Get other information from containerd image/content store
var images []*runtime.Image
for _, image := range imageMetadataA { // TODO(mikebrow): write a ImageMetadata to runtime.Image converter
ri := &runtime.Image{
Id: image.ID,
RepoTags: image.RepoTags,
RepoDigests: image.RepoDigests,
Size_: image.Size,
// TODO(mikebrow): Uid and Username?
}
images = append(images, ri)
}
return &runtime.ListImagesResponse{Images: images}, nil
}