Add function for looking up volumes by partial name

This isn't included in Docker, but seems handy enough.

Use the new API for 'volume rm' and 'volume inspect'.

Fixes #3891

Signed-off-by: Matthew Heon <matthew.heon@pm.me>

3 files changed, 51 insertions, 16 deletions

diff --git a/cmd/podman/shared/volumes_shared.go b/cmd/podman/shared/volumes_shared.go
new file mode 100644
index 000000000..912615cad
--- /dev/null
+++ b/cmd/podman/shared/volumes_shared.go
@@ -0,0 +1,47 @@
+package shared
+
+import (
+	"context"
+
+	"github.com/containers/libpod/libpod"
+)
+
+// Remove given set of volumes
+func SharedRemoveVolumes(ctx context.Context, runtime *libpod.Runtime, vols []string, all, force bool) ([]string, map[string]error, error) {
+	var (
+		toRemove []*libpod.Volume
+		success  []string
+		failed   map[string]error
+	)
+
+	failed = make(map[string]error)
+
+	if all {
+		vols, err := runtime.Volumes()
+		if err != nil {
+			return nil, nil, err
+		}
+		toRemove = vols
+	} else {
+		for _, v := range vols {
+			vol, err := runtime.LookupVolume(v)
+			if err != nil {
+				failed[v] = err
+				continue
+			}
+			toRemove = append(toRemove, vol)
+		}
+	}
+
+	// We could parallelize this, but I haven't heard anyone complain about
+	// performance here yet, so hold off.
+	for _, vol := range toRemove {
+		if err := runtime.RemoveVolume(ctx, vol, force); err != nil {
+			failed[vol.Name()] = err
+			continue
+		}
+		success = append(success, vol.Name())
+	}
+
+	return success, failed, nil
+}
diff --git a/cmd/podman/varlink/io.podman.varlink b/cmd/podman/varlink/io.podman.varlink
index 752e28256..2e46b31ce 100644
--- a/cmd/podman/varlink/io.podman.varlink
+++ b/cmd/podman/varlink/io.podman.varlink
@@ -1212,7 +1212,7 @@ method ReceiveFile(path: string, delete: bool) -> (len: int)
 method VolumeCreate(options: VolumeCreateOpts) -> (volumeName: string)
 
 # VolumeRemove removes a volume on a remote host
-method VolumeRemove(options: VolumeRemoveOpts) -> (volumeNames: []string)
+method VolumeRemove(options: VolumeRemoveOpts) -> (successes: []string, failures: [string]string)
 
 # GetVolumes gets slice of the volumes on a remote host
 method GetVolumes(args: []string, all: bool) -> (volumes: []Volume)
diff --git a/cmd/podman/volume_rm.go b/cmd/podman/volume_rm.go
index 0141d06da..2fa6a8d03 100644
--- a/cmd/podman/volume_rm.go
+++ b/cmd/podman/volume_rm.go
@@ -1,8 +1,6 @@
 package main
 
 import (
-	"fmt"
-
 	"github.com/containers/libpod/cmd/podman/cliconfig"
 	"github.com/containers/libpod/pkg/adapter"
 	"github.com/pkg/errors"
@@ -52,19 +50,9 @@ func volumeRmCmd(c *cliconfig.VolumeRmValues) error {
 		return errors.Wrapf(err, "error creating libpod runtime")
 	}
 	defer runtime.DeferredShutdown(false)
-	deletedVolumeNames, err := runtime.RemoveVolumes(getContext(), c)
+	deletedVolumeNames, deletedVolumeErrors, err := runtime.RemoveVolumes(getContext(), c)
 	if err != nil {
-		if len(deletedVolumeNames) > 0 {
-			printDeleteVolumes(deletedVolumeNames)
-			return err
-		}
-	}
-	printDeleteVolumes(deletedVolumeNames)
-	return err
-}
-
-func printDeleteVolumes(volumes []string) {
-	for _, v := range volumes {
-		fmt.Println(v)
+		return err
 	}
+	return printCmdResults(deletedVolumeNames, deletedVolumeErrors)
 }