71 lines
1.8 KiB
Go
71 lines
1.8 KiB
Go
package images
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import (
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"bufio"
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"fmt"
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"os"
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"strings"
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"github.com/containers/libpod/cmd/podman/registry"
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"github.com/containers/libpod/cmd/podman/utils"
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"github.com/containers/libpod/cmd/podman/validate"
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"github.com/containers/libpod/pkg/domain/entities"
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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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pruneDescription = `Removes all unnamed images from local storage.
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If an image is not being used by a container, it will be removed from the system.`
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pruneCmd = &cobra.Command{
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Use: "prune",
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Args: validate.NoArgs,
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Short: "Remove unused images",
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Long: pruneDescription,
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RunE: prune,
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Example: `podman image prune`,
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}
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pruneOpts = entities.ImagePruneOptions{}
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force bool
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filter = []string{}
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)
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func init() {
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registry.Commands = append(registry.Commands, registry.CliCommand{
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Mode: []entities.EngineMode{entities.ABIMode, entities.TunnelMode},
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Command: pruneCmd,
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Parent: imageCmd,
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})
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flags := pruneCmd.Flags()
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flags.BoolVarP(&pruneOpts.All, "all", "a", false, "Remove all unused images, not just dangling ones")
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flags.BoolVarP(&force, "force", "f", false, "Do not prompt for confirmation")
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flags.StringArrayVar(&filter, "filter", []string{}, "Provide filter values (e.g. 'label=<key>=<value>')")
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}
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func prune(cmd *cobra.Command, args []string) error {
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if !force {
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reader := bufio.NewReader(os.Stdin)
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fmt.Printf(`
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WARNING! This will remove all dangling images.
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Are you sure you want to continue? [y/N] `)
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answer, err := reader.ReadString('\n')
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if err != nil {
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return errors.Wrapf(err, "error reading input")
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}
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if strings.ToLower(answer)[0] != 'y' {
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return nil
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}
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}
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results, err := registry.ImageEngine().Prune(registry.GetContext(), pruneOpts)
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if err != nil {
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return err
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}
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return utils.PrintImagePruneResults(results)
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}
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