From 217f7e8e9a342f37910fcd352d2d5f7cff049987 Mon Sep 17 00:00:00 2001
From: Kevin Zhao <kevin.zhao@arm.com>
Date: Tue, 8 Aug 2017 11:10:37 +0800
Subject: [PATCH] add capsule describe

Part of blueprint introduce-compose

Change-Id: I5b9ab976b820056706c91b201c9439aaeeca7ea5
Signed-off-by: Kevin Zhao <kevin.zhao@arm.com>
---
 zunclient/experimental/capsules.py       |  6 ++++++
 zunclient/experimental/capsules_shell.py | 25 ++++++++++++++++++++++++
 2 files changed, 31 insertions(+)

diff --git a/zunclient/experimental/capsules.py b/zunclient/experimental/capsules.py
index 405f2f08..bae525ed 100644
--- a/zunclient/experimental/capsules.py
+++ b/zunclient/experimental/capsules.py
@@ -104,3 +104,9 @@ class CapsuleManager(base.Manager):
     def delete(self, id, force):
         return self._delete(self._path(id),
                             qparams={'force': force})
+
+    def describe(self, id):
+        try:
+            return self._list(self._path(id))[0]
+        except IndexError:
+            return None
diff --git a/zunclient/experimental/capsules_shell.py b/zunclient/experimental/capsules_shell.py
index b21cf00d..190d155c 100644
--- a/zunclient/experimental/capsules_shell.py
+++ b/zunclient/experimental/capsules_shell.py
@@ -12,6 +12,9 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
+import json
+import yaml
+
 from zunclient.common import cliutils as utils
 from zunclient.common import template_utils
 from zunclient.common import utils as zun_utils
@@ -93,3 +96,25 @@ def do_capsule_delete(cs, args):
         except Exception as e:
             print("Delete for capsule %(capsule)s failed: %(e)s" %
                   {'capsule': capsule, 'e': e})
+
+
+@utils.arg('capsule',
+           metavar='<capsule>',
+           help='ID or name of the capsule to show.')
+@utils.arg('-f', '--format',
+           metavar='<format>',
+           action='store',
+           choices=['json', 'yaml', 'table'],
+           default='table',
+           help='Print representation of the capsule. '
+                'The choices of the output format is json,table,yaml. '
+                'Defaults to table. ')
+def do_capsule_describe(cs, args):
+    """Show details of a capsule."""
+    capsule = cs.capsules.describe(args.capsule)
+    if args.format == 'json':
+        print(json.dumps(capsule._info, indent=4, sort_keys=True))
+    elif args.format == 'yaml':
+        print(yaml.safe_dump(capsule._info, default_flow_style=False))
+    elif args.format == 'table':
+        _show_capsule(capsule)