diff options
| -rw-r--r-- | cmd/podman/volumes/prune.go | 52 | ||||
| -rw-r--r-- | test/system/160-volumes.bats | 15 |
2 files changed, 61 insertions, 6 deletions
diff --git a/cmd/podman/volumes/prune.go b/cmd/podman/volumes/prune.go index 0f3ba9ef6..39ad2735b 100644 --- a/cmd/podman/volumes/prune.go +++ b/cmd/podman/volumes/prune.go @@ -49,16 +49,46 @@ func init() { func prune(cmd *cobra.Command, args []string) error { var ( - pruneOptions = entities.VolumePruneOptions{} + pruneOptions = entities.VolumePruneOptions{} + listOptions = entities.VolumeListOptions{} + unusedOptions = entities.VolumeListOptions{} ) // Prompt for confirmation if --force is not set force, err := cmd.Flags().GetBool("force") if err != nil { return err } + pruneOptions.Filters, err = filters.ParseFilterArgumentsIntoFilters(filter) if !force { reader := bufio.NewReader(os.Stdin) - fmt.Println("WARNING! This will remove all volumes not used by at least one container.") + fmt.Println("WARNING! This will remove all volumes not used by at least one container. The following volumes will be removed:") + if err != nil { + return err + } + listOptions.Filter, err = filters.ParseFilterArgumentsIntoFilters(filter) + if err != nil { + return err + } + // filter all the dangling volumes + unusedOptions.Filter = make(map[string][]string, 1) + unusedOptions.Filter["dangling"] = []string{"true"} + unusedVolumes, err := registry.ContainerEngine().VolumeList(context.Background(), unusedOptions) + if err != nil { + return err + } + // filter volumes based on user input + filteredVolumes, err := registry.ContainerEngine().VolumeList(context.Background(), listOptions) + if err != nil { + return err + } + finalVolumes := getIntersection(unusedVolumes, filteredVolumes) + if len(finalVolumes) < 1 { + fmt.Println("No dangling volumes found") + return nil + } + for _, fv := range finalVolumes { + fmt.Println(fv.Name) + } fmt.Print("Are you sure you want to continue? [y/N] ") answer, err := reader.ReadString('\n') if err != nil { @@ -68,13 +98,23 @@ func prune(cmd *cobra.Command, args []string) error { return nil } } - pruneOptions.Filters, err = filters.ParseFilterArgumentsIntoFilters(filter) - if err != nil { - return err - } responses, err := registry.ContainerEngine().VolumePrune(context.Background(), pruneOptions) if err != nil { return err } return utils.PrintVolumePruneResults(responses, false) } + +func getIntersection(a, b []*entities.VolumeListReport) []*entities.VolumeListReport { + var intersection []*entities.VolumeListReport + hash := make(map[string]bool, len(a)) + for _, aa := range a { + hash[aa.Name] = true + } + for _, bb := range b { + if hash[bb.Name] { + intersection = append(intersection, bb) + } + } + return intersection +} diff --git a/test/system/160-volumes.bats b/test/system/160-volumes.bats index 0b7aab2fb..4952eafc2 100644 --- a/test/system/160-volumes.bats +++ b/test/system/160-volumes.bats @@ -214,6 +214,13 @@ EOF run_podman volume create $vol done + # Create two additional labeled volumes + for i in 5 6; do + vol=myvol${i}$(random_string) + v[$i]=$vol + run_podman volume create $vol --label "mylabel" + done + # (Assert that output is formatted, not a one-line blob: #8011) run_podman volume inspect ${v[1]} if [[ "${#lines[*]}" -lt 10 ]]; then @@ -225,6 +232,14 @@ EOF run_podman run --name c2 --volume ${v[2]}:/vol2 -v ${v[3]}:/vol3 \ $IMAGE date + # List available volumes for pruning after using 1,2,3 + run_podman volume prune <<< N + is "$(echo $(sort <<<${lines[@]:1:3}))" "${v[4]} ${v[5]} ${v[6]}" "volume prune, with 1,2,3 in use, lists 4,5,6" + + # List available volumes for pruning after using 1,2,3 and filtering; see #8913 + run_podman volume prune --filter label=mylabel <<< N + is "$(echo $(sort <<<${lines[@]:1:2}))" "${v[5]} ${v[6]}" "volume prune, with 1,2,3 in use and 4 filtered out, lists 5,6" + # prune should remove v4 run_podman volume prune --force is "$output" "${v[4]}" "volume prune, with 1, 2, 3 in use, deletes only 4" |