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authorBrent Baude <bbaude@redhat.com>2020-04-16 12:25:26 -0500
committerBrent Baude <bbaude@redhat.com>2020-04-16 15:53:58 -0500
commit241326a9a8c20ad7f2bcf651416b836e7778e090 (patch)
tree4001e8e47a022bb1b9bfbf2332c42e1aeb802f9e /cmd/podman/images/prune.go
parent88c6fd06cd54fb9a8826306dfdf1a77e400de5de (diff)
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Podman V2 birth
remote podman v1 and replace with podman v2. Signed-off-by: Brent Baude <bbaude@redhat.com>
Diffstat (limited to 'cmd/podman/images/prune.go')
-rw-r--r--cmd/podman/images/prune.go86
1 files changed, 86 insertions, 0 deletions
diff --git a/cmd/podman/images/prune.go b/cmd/podman/images/prune.go
new file mode 100644
index 000000000..b90d889be
--- /dev/null
+++ b/cmd/podman/images/prune.go
@@ -0,0 +1,86 @@
+package images
+
+import (
+ "bufio"
+ "fmt"
+ "os"
+ "strings"
+
+ "github.com/containers/libpod/cmd/podman/registry"
+ "github.com/containers/libpod/pkg/domain/entities"
+ "github.com/pkg/errors"
+ "github.com/spf13/cobra"
+)
+
+var (
+ pruneDescription = `Removes all unnamed images from local storage.
+
+ If an image is not being used by a container, it will be removed from the system.`
+ pruneCmd = &cobra.Command{
+ Use: "prune",
+ Args: cobra.NoArgs,
+ Short: "Remove unused images",
+ Long: pruneDescription,
+ RunE: prune,
+ Example: `podman image prune`,
+ }
+
+ pruneOpts = entities.ImagePruneOptions{}
+ force bool
+ filter = []string{}
+)
+
+func init() {
+ registry.Commands = append(registry.Commands, registry.CliCommand{
+ Mode: []entities.EngineMode{entities.ABIMode, entities.TunnelMode},
+ Command: pruneCmd,
+ Parent: imageCmd,
+ })
+
+ flags := pruneCmd.Flags()
+ flags.BoolVarP(&pruneOpts.All, "all", "a", false, "Remove all unused images, not just dangling ones")
+ flags.BoolVarP(&force, "force", "f", false, "Do not prompt for confirmation")
+ flags.StringArrayVar(&filter, "filter", []string{}, "Provide filter values (e.g. 'label=<key>=<value>')")
+
+}
+
+func prune(cmd *cobra.Command, args []string) error {
+ if !force {
+ reader := bufio.NewReader(os.Stdin)
+ fmt.Printf(`
+WARNING! This will remove all dangling images.
+Are you sure you want to continue? [y/N] `)
+ answer, err := reader.ReadString('\n')
+ if err != nil {
+ return errors.Wrapf(err, "error reading input")
+ }
+ if strings.ToLower(answer)[0] != 'y' {
+ return nil
+ }
+ }
+
+ // TODO Remove once filter refactor is finished and url.Values rules :)
+ for _, f := range filter {
+ t := strings.SplitN(f, "=", 2)
+ pruneOpts.Filters.Add(t[0], t[1])
+ }
+
+ results, err := registry.ImageEngine().Prune(registry.GetContext(), pruneOpts)
+ if err != nil {
+ return err
+ }
+
+ for _, i := range results.Report.Id {
+ fmt.Println(i)
+ }
+
+ for _, e := range results.Report.Err {
+ fmt.Fprint(os.Stderr, e.Error()+"\n")
+ }
+
+ if results.Size > 0 {
+ fmt.Fprintf(os.Stdout, "Size: %d\n", results.Size)
+ }
+
+ return nil
+}