mirror of https://github.com/docker/compose.git
121 lines
3.2 KiB
Go
121 lines
3.2 KiB
Go
/*
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Copyright 2020 Docker Compose CLI 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 compose
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import (
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"context"
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"fmt"
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"strings"
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"sync"
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"github.com/distribution/reference"
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moby "github.com/docker/docker/api/types"
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containerType "github.com/docker/docker/api/types/container"
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"github.com/docker/docker/api/types/filters"
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"github.com/docker/docker/errdefs"
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"golang.org/x/sync/errgroup"
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"github.com/docker/compose/v2/pkg/api"
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"github.com/docker/compose/v2/pkg/utils"
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)
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func (s *composeService) Images(ctx context.Context, projectName string, options api.ImagesOptions) ([]api.ImageSummary, error) {
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projectName = strings.ToLower(projectName)
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allContainers, err := s.apiClient().ContainerList(ctx, containerType.ListOptions{
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All: true,
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Filters: filters.NewArgs(projectFilter(projectName)),
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})
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if err != nil {
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return nil, err
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}
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containers := []moby.Container{}
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if len(options.Services) > 0 {
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// filter service containers
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for _, c := range allContainers {
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if utils.StringContains(options.Services, c.Labels[api.ServiceLabel]) {
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containers = append(containers, c)
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}
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}
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} else {
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containers = allContainers
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}
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imageIDs := []string{}
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// aggregate image IDs
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for _, c := range containers {
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if !utils.StringContains(imageIDs, c.ImageID) {
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imageIDs = append(imageIDs, c.ImageID)
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}
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}
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images, err := s.getImages(ctx, imageIDs)
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if err != nil {
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return nil, err
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}
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summary := make([]api.ImageSummary, len(containers))
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for i, container := range containers {
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img, ok := images[container.ImageID]
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if !ok {
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return nil, fmt.Errorf("failed to retrieve image for container %s", getCanonicalContainerName(container))
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}
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summary[i] = img
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summary[i].ContainerName = getCanonicalContainerName(container)
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}
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return summary, nil
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}
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func (s *composeService) getImages(ctx context.Context, images []string) (map[string]api.ImageSummary, error) {
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summary := map[string]api.ImageSummary{}
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l := sync.Mutex{}
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eg, ctx := errgroup.WithContext(ctx)
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for _, img := range images {
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img := img
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eg.Go(func() error {
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inspect, _, err := s.apiClient().ImageInspectWithRaw(ctx, img)
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if err != nil {
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if errdefs.IsNotFound(err) {
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return nil
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}
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return fmt.Errorf("unable to get image '%s': %w", img, err)
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}
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tag := ""
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repository := ""
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if len(inspect.RepoTags) > 0 {
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ref, err := reference.ParseDockerRef(inspect.RepoTags[0])
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if err != nil {
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return err
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}
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repository = reference.FamiliarName(ref)
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if tagged, ok := ref.(reference.Tagged); ok {
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tag = tagged.Tag()
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}
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}
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l.Lock()
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summary[img] = api.ImageSummary{
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ID: inspect.ID,
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Repository: repository,
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Tag: tag,
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Size: inspect.Size,
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}
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l.Unlock()
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return nil
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})
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}
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return summary, eg.Wait()
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}
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