func deleteImage(docker *dockerclient.DockerClient, imageIDs []string) []error { var errors []error if !noConfirm { var answer string fmt.Printf("This will delete %v images\n", len(imageIDs)) fmt.Printf("Do you want to continue? (yes/no)\n") fmt.Scanln(&answer) if answer != "yes" { fmt.Printf("%v", answer) return nil } } for _, imageID := range imageIDs { imageDelete, deleteErr := docker.RemoveImage(imageID) if deleteErr != nil { errors = append(errors, deleteErr) } for _, id := range imageDelete { if id.Deleted != "" { log.Printf("DELETED: %v", id.Deleted) } if id.Untagged != "" { log.Printf("UNTAGGED: %#v", id.Untagged) } } } if len(errors) > 0 { return errors } return nil }
func removeImages(client *dockerclient.DockerClient, images []*dockerclient.Image) error { for _, image := range images { log.Print("rmi ", image.Id) if !*dry { if _, err := client.RemoveImage(image.Id); err != nil { debug("Couldn't remove image: %s", err) } } } return nil }
func runGC(dockerClient *dockerclient.DockerClient, filters ...string) (bool, error) { done := true images, err := dockerClient.ListImages(true) if err != nil { return true, err } imagesToSave := make(map[string]bool) for _, image := range images { for _, repoTag := range image.RepoTags { for _, regexFilter := range filters { if match, _ := regexp.MatchString(regexFilter, repoTag); match { log.Printf("Image %v matches regexp /%s/ to keep\n", image.Id, regexFilter) imagesToSave[image.Id] = true } } } } for _, i := range images { if i.ParentId != "" { log.Printf("Image %s has children\n", i.ParentId) imagesToSave[i.ParentId] = true } } containers, err := dockerClient.ListContainers(true, false, "") if err != nil { return true, err } for _, c := range containers { info, _ := dockerClient.InspectContainer(c.Id) log.Printf("Image %s in use by container %v\n", info.Image, c.Id) imagesToSave[info.Image] = true } for _, image := range images { if !imagesToSave[image.Id] { log.Printf("Deleting image with image id %s %v\n", image.Id, image.RepoTags) done = false _, err = dockerClient.RemoveImage(image.Id) if err != nil { log.Println("Failed to delete image: ", err) } } } log.Println("Done with images GC") return done, nil }