Add printer for snapshot locations

Signed-off-by: Wayne Witzel III <wayne@riotousliving.com>

Author: Wayne Witzel III

pkg/cmd/util/output/output.go

@@ -145,6 +145,8 @@ func printTable(cmd *cobra.Command, obj runtime.Object) (bool, error) {
 	printer.Handler(resticRepoColumns, nil, printResticRepoList)
 	printer.Handler(backupStorageLocationColumns, nil, printBackupStorageLocation)
 	printer.Handler(backupStorageLocationColumns, nil, printBackupStorageLocationList)
+	printer.Handler(volumeSnapshotLocationColumns, nil, printVolumeSnapshotLocation)
+	printer.Handler(volumeSnapshotLocationColumns, nil, printVolumeSnapshotLocationList)
 
 	err = printer.PrintObj(obj, os.Stdout)
 	if err != nil {

pkg/cmd/util/output/volume_snapshot_location_printer.go

@@ -0,0 +1,65 @@
+/*
+Copyright 2018 the Heptio Ark contributors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package output
+
+import (
+	"fmt"
+	"io"
+
+	"k8s.io/kubernetes/pkg/printers"
+
+	"github.com/heptio/ark/pkg/apis/ark/v1"
+)
+
+var (
+	volumeSnapshotLocationColumns = []string{"NAME", "PROVIDER"}
+)
+
+func printVolumeSnapshotLocationList(list *v1.VolumeSnapshotLocationList, w io.Writer, options printers.PrintOptions) error {
+	for i := range list.Items {
+		if err := printVolumeSnapshotLocation(&list.Items[i], w, options); err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+func printVolumeSnapshotLocation(location *v1.VolumeSnapshotLocation, w io.Writer, options printers.PrintOptions) error {
+	name := printers.FormatResourceName(options.Kind, location.Name, options.WithKind)
+
+	if options.WithNamespace {
+		if _, err := fmt.Fprintf(w, "%s\t", location.Namespace); err != nil {
+			return err
+		}
+	}
+
+	if _, err := fmt.Fprintf(
+		w,
+		"%s\t%s",
+		name,
+		location.Spec.Provider,
+	); err != nil {
+		return err
+	}
+
+	if _, err := fmt.Fprint(w, printers.AppendLabels(location.Labels, options.ColumnLabels)); err != nil {
+		return err
+	}
+
+	_, err := fmt.Fprint(w, printers.AppendAllLabels(options.ShowLabels, location.Labels))
+	return err
+}