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authorJhon Honce <jhonce@redhat.com>2020-03-26 17:16:59 -0700
committerJhon Honce <jhonce@redhat.com>2020-03-26 18:32:44 -0700
commit581dd312af6ada92b96e16dd95d45967bde5fd8a (patch)
tree13e55270aa70201f5514b769410a736a07b102af /cmd/podmanV2
parent1710eca4e930f7ed3a2b060029c627c1a66a2349 (diff)
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V2 podman image prune
* Fixed header for `podman image ls` * Implemented prune `all` flag, preserved filter method for backwards capability * Updated binding tests Signed-off-by: Jhon Honce <jhonce@redhat.com>
Diffstat (limited to 'cmd/podmanV2')
-rw-r--r--cmd/podmanV2/images/images.go2
-rw-r--r--cmd/podmanV2/images/list.go2
-rw-r--r--cmd/podmanV2/images/prune.go86
3 files changed, 88 insertions, 2 deletions
diff --git a/cmd/podmanV2/images/images.go b/cmd/podmanV2/images/images.go
index f248aa65f..d00f0996e 100644
--- a/cmd/podmanV2/images/images.go
+++ b/cmd/podmanV2/images/images.go
@@ -15,7 +15,7 @@ var (
Args: listCmd.Args,
Short: listCmd.Short,
Long: listCmd.Long,
- PreRunE: listCmd.PreRunE,
+ PreRunE: preRunE,
RunE: listCmd.RunE,
Example: strings.Replace(listCmd.Example, "podman image list", "podman images", -1),
}
diff --git a/cmd/podmanV2/images/list.go b/cmd/podmanV2/images/list.go
index 4714af3e4..9a5b47299 100644
--- a/cmd/podmanV2/images/list.go
+++ b/cmd/podmanV2/images/list.go
@@ -212,7 +212,7 @@ func imageListFormat(flags listFlagType) (string, string) {
row += "\t{{.Digest}}"
}
- hdr += "\tID"
+ hdr += "\tIMAGE ID"
if flags.noTrunc {
row += "\tsha256:{{.ID}}"
} else {
diff --git a/cmd/podmanV2/images/prune.go b/cmd/podmanV2/images/prune.go
new file mode 100644
index 000000000..6577c458e
--- /dev/null
+++ b/cmd/podmanV2/images/prune.go
@@ -0,0 +1,86 @@
+package images
+
+import (
+ "bufio"
+ "fmt"
+ "os"
+ "strings"
+
+ "github.com/containers/libpod/cmd/podmanV2/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
+}