podman-remote volume inspect|ls

add the ability to list and inspect volumes using the remote
client and varlink

Signed-off-by: baude <bbaude@redhat.com>

3 files changed, 141 insertions, 0 deletions

diff --git a/libpod/adapter/runtime.go b/libpod/adapter/runtime.go
index acaecf4b5..7dd845616 100644
--- a/libpod/adapter/runtime.go
+++ b/libpod/adapter/runtime.go
@@ -35,6 +35,14 @@ type Container struct {
 	*libpod.Container
 }
 
+// Volume ...
+type Volume struct {
+	*libpod.Volume
+}
+
+// VolumeFilter is for filtering volumes on the client
+type VolumeFilter func(*Volume) bool
+
 // GetRuntime returns a LocalRuntime struct with the actual runtime embedded in it
 func GetRuntime(c *cliconfig.PodmanCommand) (*LocalRuntime, error) {
 	runtime, err := libpodruntime.GetRuntime(c)
@@ -200,3 +208,49 @@ func (r *LocalRuntime) Push(ctx context.Context, srcName, destination, manifestM
 	}
 	return newImage.PushImageToHeuristicDestination(ctx, destination, manifestMIMEType, authfile, signaturePolicyPath, writer, forceCompress, signingOptions, dockerRegistryOptions, nil)
 }
+
+// InspectVolumes returns a slice of volumes based on an arg list or --all
+func (r *LocalRuntime) InspectVolumes(ctx context.Context, c *cliconfig.VolumeInspectValues) ([]*Volume, error) {
+	var (
+		volumes []*libpod.Volume
+		err     error
+	)
+
+	if c.All {
+		volumes, err = r.GetAllVolumes()
+	} else {
+		for _, v := range c.InputArgs {
+			vol, err := r.GetVolume(v)
+			if err != nil {
+				return nil, err
+			}
+			volumes = append(volumes, vol)
+		}
+	}
+	if err != nil {
+		return nil, err
+	}
+	return libpodVolumeToVolume(volumes), nil
+}
+
+// Volumes returns a slice of localruntime volumes
+func (r *LocalRuntime) Volumes(ctx context.Context) ([]*Volume, error) {
+	vols, err := r.GetAllVolumes()
+	if err != nil {
+		return nil, err
+	}
+	return libpodVolumeToVolume(vols), nil
+}
+
+// libpodVolumeToVolume converts a slice of libpod volumes to a slice
+// of localruntime volumes (same as libpod)
+func libpodVolumeToVolume(volumes []*libpod.Volume) []*Volume {
+	var vols []*Volume
+	for _, v := range volumes {
+		newVol := Volume{
+			v,
+		}
+		vols = append(vols, &newVol)
+	}
+	return vols
+}
diff --git a/libpod/adapter/runtime_remote.go b/libpod/adapter/runtime_remote.go
index ab9b4501d..d0d827582 100644
--- a/libpod/adapter/runtime_remote.go
+++ b/libpod/adapter/runtime_remote.go
@@ -92,6 +92,18 @@ type remoteContainer struct {
 	state   *libpod.ContainerState
 }
 
+type VolumeFilter func(*Volume) bool
+
+// Volume is embed for libpod volumes
+type Volume struct {
+	remoteVolume
+}
+
+type remoteVolume struct {
+	Runtime *LocalRuntime
+	config  *libpod.VolumeConfig
+}
+
 // GetImages returns a slice of containerimages over a varlink connection
 func (r *LocalRuntime) GetImages() ([]*ContainerImage, error) {
 	var newImages []*ContainerImage
@@ -480,3 +492,45 @@ func (r *LocalRuntime) Push(ctx context.Context, srcName, destination, manifestM
 
 	return err
 }
+
+// InspectVolumes returns a slice of volumes based on an arg list or --all
+func (r *LocalRuntime) InspectVolumes(ctx context.Context, c *cliconfig.VolumeInspectValues) ([]*Volume, error) {
+	reply, err := iopodman.GetVolumes().Call(r.Conn, c.InputArgs, c.All)
+	if err != nil {
+		return nil, err
+	}
+	return varlinkVolumeToVolume(r, reply), nil
+}
+
+//Volumes returns a slice of adapter.volumes based on information about libpod
+// volumes over a varlink connection
+func (r *LocalRuntime) Volumes(ctx context.Context) ([]*Volume, error) {
+	reply, err := iopodman.GetVolumes().Call(r.Conn, []string{}, true)
+	if err != nil {
+		return nil, err
+	}
+	return varlinkVolumeToVolume(r, reply), nil
+}
+
+func varlinkVolumeToVolume(r *LocalRuntime, volumes []iopodman.Volume) []*Volume {
+	var vols []*Volume
+	for _, v := range volumes {
+		volumeConfig := libpod.VolumeConfig{
+			Name:       v.Name,
+			Labels:     v.Labels,
+			MountPoint: v.MountPoint,
+			Driver:     v.Driver,
+			Options:    v.Options,
+			Scope:      v.Scope,
+		}
+		n := remoteVolume{
+			Runtime: r,
+			config:  &volumeConfig,
+		}
+		newVol := Volume{
+			n,
+		}
+		vols = append(vols, &newVol)
+	}
+	return vols
+}
diff --git a/libpod/adapter/volumes_remote.go b/libpod/adapter/volumes_remote.go
new file mode 100644
index 000000000..beacd943a
--- /dev/null
+++ b/libpod/adapter/volumes_remote.go
@@ -0,0 +1,33 @@
+// +build remoteclient
+
+package adapter
+
+// Name returns the name of the volume
+func (v *Volume) Name() string {
+	return v.config.Name
+}
+
+//Labels returns the labels for a volume
+func (v *Volume) Labels() map[string]string {
+	return v.config.Labels
+}
+
+// Driver returns the driver for the volume
+func (v *Volume) Driver() string {
+	return v.config.Driver
+}
+
+// Options returns the options a volume was created with
+func (v *Volume) Options() map[string]string {
+	return v.config.Options
+}
+
+// MountPath returns the path the volume is mounted to
+func (v *Volume) MountPoint() string {
+	return v.config.MountPoint
+}
+
+// Scope returns the scope for an adapter.volume
+func (v *Volume) Scope() string {
+	return v.config.Scope
+}