148 lines
3.9 KiB
Go
148 lines
3.9 KiB
Go
package main
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import (
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"fmt"
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"os"
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"github.com/containers/libpod/cmd/podman/cliconfig"
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"github.com/containers/libpod/pkg/adapter"
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"github.com/containers/storage"
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"github.com/pkg/errors"
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"github.com/spf13/cobra"
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)
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var (
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rmiCommand cliconfig.RmiValues
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rmiDescription = "Removes one or more previously pulled or locally created images."
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_rmiCommand = cobra.Command{
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Use: "rmi [flags] IMAGE [IMAGE...]",
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Short: "Removes one or more images from local storage",
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Long: rmiDescription,
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RunE: func(cmd *cobra.Command, args []string) error {
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rmiCommand.InputArgs = args
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rmiCommand.GlobalFlags = MainGlobalOpts
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return rmiCmd(&rmiCommand)
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},
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Example: `podman rmi imageID
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podman rmi --force alpine
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podman rmi c4dfb1609ee2 93fd78260bd1 c0ed59d05ff7`,
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}
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)
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func rmiInit(command *cliconfig.RmiValues) {
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command.SetHelpTemplate(HelpTemplate())
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command.SetUsageTemplate(UsageTemplate())
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flags := command.Flags()
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flags.BoolVarP(&command.All, "all", "a", false, "Remove all images")
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flags.BoolVarP(&command.Force, "force", "f", false, "Force Removal of the image")
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}
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func init() {
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rmiCommand.Command = &_rmiCommand
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rmiInit(&rmiCommand)
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}
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func rmiCmd(c *cliconfig.RmiValues) error {
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var (
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lastError error
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failureCnt int
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)
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ctx := getContext()
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removeAll := c.All
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runtime, err := adapter.GetRuntime(&c.PodmanCommand)
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if err != nil {
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return errors.Wrapf(err, "could not get runtime")
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}
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defer runtime.Shutdown(false)
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args := c.InputArgs
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if len(args) == 0 && !removeAll {
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return errors.Errorf("image name or ID must be specified")
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}
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if len(args) > 0 && removeAll {
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return errors.Errorf("when using the --all switch, you may not pass any images names or IDs")
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}
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images := args[:]
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removeImage := func(img *adapter.ContainerImage) {
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msg, err := runtime.RemoveImage(ctx, img, c.Force)
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if err != nil {
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if errors.Cause(err) == storage.ErrImageUsedByContainer {
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fmt.Printf("A container associated with containers/storage, i.e. via Buildah, CRI-O, etc., may be associated with this image: %-12.12s\n", img.ID())
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}
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if !adapter.IsImageNotFound(err) {
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failureCnt++
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}
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if lastError != nil {
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fmt.Fprintln(os.Stderr, lastError)
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}
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lastError = err
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return
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}
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fmt.Println(msg)
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}
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if removeAll {
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var imagesToDelete []*adapter.ContainerImage
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imagesToDelete, err = runtime.GetImages()
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if err != nil {
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return errors.Wrapf(err, "unable to query local images")
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}
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lastNumberofImages := 0
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for len(imagesToDelete) > 0 {
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if lastNumberofImages == len(imagesToDelete) {
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return errors.New("unable to delete all images; re-run the rmi command again.")
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}
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for _, i := range imagesToDelete {
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isParent, err := i.IsParent()
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if err != nil {
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return err
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}
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if isParent {
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continue
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}
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removeImage(i)
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}
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lastNumberofImages = len(imagesToDelete)
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imagesToDelete, err = runtime.GetImages()
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if err != nil {
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return err
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}
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// If no images are left to delete or there is just one image left and it cannot be deleted,
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// lets break out and display the error
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if len(imagesToDelete) == 0 || (lastNumberofImages == 1 && lastError != nil) {
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break
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}
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}
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} else {
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// Create image.image objects for deletion from user input.
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// Note that we have to query the storage one-by-one to
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// always get the latest state for each image. Otherwise, we
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// run inconsistency issues, for instance, with repoTags.
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// See https://github.com/containers/libpod/issues/930 as
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// an exemplary inconsistency issue.
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for _, i := range images {
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newImage, err := runtime.NewImageFromLocal(i)
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if err != nil {
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if lastError != nil {
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if !adapter.IsImageNotFound(lastError) {
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failureCnt++
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}
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fmt.Fprintln(os.Stderr, lastError)
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}
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lastError = err
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continue
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}
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removeImage(newImage)
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}
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}
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if adapter.IsImageNotFound(lastError) && failureCnt == 0 {
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exitCode = 1
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}
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return lastError
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}
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