193918b702
Moves to the containerd/log package over logrus directly. This benefits the traces because if using any log context such as OpenCensus on the entry gRPC API all traces for that gRPC method will now contain the appropriate TraceID, SpanID for easy correlation. Signed-off-by: Justin Terry (VM) <juterry@microsoft.com>
106 lines
3.2 KiB
Go
106 lines
3.2 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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"encoding/json"
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"github.com/containerd/containerd/log"
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imagespec "github.com/opencontainers/image-spec/specs-go/v1"
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"github.com/pkg/errors"
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"golang.org/x/net/context"
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runtime "k8s.io/cri-api/pkg/apis/runtime/v1alpha2"
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"github.com/containerd/cri/pkg/store"
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imagestore "github.com/containerd/cri/pkg/store/image"
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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 *criService) ImageStatus(ctx context.Context, r *runtime.ImageStatusRequest) (*runtime.ImageStatusResponse, error) {
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image, err := c.localResolve(r.GetImage().GetImage())
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if err != nil {
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if err == store.ErrNotExist {
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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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return nil, errors.Wrapf(err, "can not resolve %q locally", r.GetImage().GetImage())
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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 := toCRIImage(image)
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info, err := c.toCRIImageInfo(ctx, &image, r.GetVerbose())
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if err != nil {
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return nil, errors.Wrap(err, "failed to generate image info")
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}
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return &runtime.ImageStatusResponse{
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Image: runtimeImage,
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Info: info,
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}, nil
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}
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// toCRIImage converts internal image object to CRI runtime.Image.
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func toCRIImage(image imagestore.Image) *runtime.Image {
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repoTags, repoDigests := parseImageReferences(image.References)
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runtimeImage := &runtime.Image{
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Id: image.ID,
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RepoTags: repoTags,
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RepoDigests: repoDigests,
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Size_: uint64(image.Size),
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}
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uid, username := getUserFromImage(image.ImageSpec.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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return runtimeImage
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}
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// TODO (mikebrow): discuss moving this struct and / or constants for info map for some or all of these fields to CRI
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type verboseImageInfo struct {
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ChainID string `json:"chainID"`
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ImageSpec imagespec.Image `json:"imageSpec"`
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}
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// toCRIImageInfo converts internal image object information to CRI image status response info map.
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func (c *criService) toCRIImageInfo(ctx context.Context, image *imagestore.Image, verbose bool) (map[string]string, error) {
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if !verbose {
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return nil, nil
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}
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info := make(map[string]string)
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imi := &verboseImageInfo{
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ChainID: image.ChainID,
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ImageSpec: image.ImageSpec,
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}
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m, err := json.Marshal(imi)
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if err == nil {
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info["info"] = string(m)
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} else {
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log.G(ctx).WithError(err).Errorf("failed to marshal info %v", imi)
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info["info"] = err.Error()
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}
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return info, nil
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}
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