Add podman system prune and info commands

We are missing the equivalence of the docker system commands

This patch set adds `podman system prune`
and `podman system info`

Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>

1 files changed, 26 insertions, 22 deletions

diff --git a/cmd/podman/volume_prune.go b/cmd/podman/volume_prune.go
index 652c50f42..41d95f9c7 100644
--- a/cmd/podman/volume_prune.go
+++ b/cmd/podman/volume_prune.go
@@ -2,12 +2,13 @@ package main
 
 import (
 	"bufio"
+	"context"
 	"fmt"
 	"os"
 	"strings"
 
-	"github.com/containers/libpod/cmd/podman/libpodruntime"
 	"github.com/containers/libpod/libpod"
+	"github.com/containers/libpod/libpod/adapter"
 	"github.com/pkg/errors"
 	"github.com/sirupsen/logrus"
 	"github.com/urfave/cli"
@@ -37,21 +38,40 @@ var volumePruneCommand = cli.Command{
 	UseShortOptionHandling: true,
 }
 
-func volumePruneCmd(c *cli.Context) error {
+func volumePrune(runtime *adapter.LocalRuntime, ctx context.Context) error {
 	var lastError error
 
+	volumes, err := runtime.GetAllVolumes()
+	if err != nil {
+		return err
+	}
+
+	for _, vol := range volumes {
+		err = runtime.RemoveVolume(ctx, vol, false, true)
+		if err == nil {
+			fmt.Println(vol.Name())
+		} else if err != libpod.ErrVolumeBeingUsed {
+			if lastError != nil {
+				logrus.Errorf("%q", lastError)
+			}
+			lastError = errors.Wrapf(err, "failed to remove volume %q", vol.Name())
+		}
+	}
+	return lastError
+}
+
+func volumePruneCmd(c *cli.Context) error {
+
 	if err := validateFlags(c, volumePruneFlags); err != nil {
 		return err
 	}
 
-	runtime, err := libpodruntime.GetRuntime(c)
+	runtime, err := adapter.GetRuntime(c)
 	if err != nil {
 		return errors.Wrapf(err, "error creating libpod runtime")
 	}
 	defer runtime.Shutdown(false)
 
-	ctx := getContext()
-
 	// Prompt for confirmation if --force is not set
 	if !c.Bool("force") {
 		reader := bufio.NewReader(os.Stdin)
@@ -66,21 +86,5 @@ func volumePruneCmd(c *cli.Context) error {
 		}
 	}
 
-	volumes, err := runtime.GetAllVolumes()
-	if err != nil {
-		return err
-	}
-
-	for _, vol := range volumes {
-		err = runtime.RemoveVolume(ctx, vol, false, true)
-		if err == nil {
-			fmt.Println(vol.Name())
-		} else if err != libpod.ErrVolumeBeingUsed {
-			if lastError != nil {
-				logrus.Errorf("%q", lastError)
-			}
-			lastError = errors.Wrapf(err, "failed to remove volume %q", vol.Name())
-		}
-	}
-	return lastError
+	return volumePrune(runtime, getContext())
 }