Add shelve/unshelve/shelve-offload command

The "shelve" API, which powers off and snapshots a vm instance, has been
implemented by Nova-server side.
In addition, thare are two relational API "unshelve" and "shelveOffload".
This patch adds three commands for using these APIs.

Fixes bug #1231827

Change-Id: Ic2ad1bb537efb40a3155e9f3c7b63e09e82be7f1

novaclient/tests/v1_1/fakes.py

@@ -538,6 +538,12 @@ class FakeHTTPClient(base_client.HTTPClient):
             assert body[action] is None
         elif action == 'unlock':
             assert body[action] is None
+        elif action == 'shelve':
+            assert body[action] is None
+        elif action == 'shelveOffload':
+            assert body[action] is None
+        elif action == 'unshelve':
+            assert body[action] is None
         elif action == 'addFixedIp':
             assert list(body[action]) == ['networkId']
         elif action == 'removeFixedIp':

novaclient/tests/v1_1/test_shell.py

@@ -768,6 +768,19 @@ class ShellTest(utils.TestCase):
         self.run_command('unrescue sample-server')
         self.assert_called('POST', '/servers/1234/action', {'unrescue': None})
 
+    def test_shelve(self):
+        self.run_command('shelve sample-server')
+        self.assert_called('POST', '/servers/1234/action', {'shelve': None})
+
+    def test_shelve_offload(self):
+        self.run_command('shelve-offload sample-server')
+        self.assert_called('POST', '/servers/1234/action',
+                           {'shelveOffload': None})
+
+    def test_unshelve(self):
+        self.run_command('unshelve sample-server')
+        self.assert_called('POST', '/servers/1234/action', {'unshelve': None})
+
     def test_migrate(self):
         self.run_command('migrate sample-server')
         self.assert_called('POST', '/servers/1234/action', {'migrate': None})

novaclient/v1_1/servers.py

@@ -187,6 +187,24 @@ class Server(base.Resource):
         """
         self.manager.unrescue(self)
 
+    def shelve(self):
+        """
+        Shelve -- Shelve the server.
+        """
+        self.manager.shelve(self)
+
+    def shelve_offload(self):
+        """
+        Shelve_offload -- Remove a shelved server from the compute node.
+        """
+        self.manager.shelve_offload(self)
+
+    def unshelve(self):
+        """
+        Unshelve -- Unshelve the server.
+        """
+        self.manager.unshelve(self)
+
     def diagnostics(self):
         """Diagnostics -- Retrieve server diagnostics."""
         return self.manager.diagnostics(self)
@@ -574,6 +592,24 @@ class ServerManager(base.BootingManagerWithFind):
         """
         self._action('unrescue', server, None)
 
+    def shelve(self, server):
+        """
+        Shelve the server.
+        """
+        self._action('shelve', server, None)
+
+    def shelve_offload(self, server):
+        """
+        Remove a shelved instance from the compute node.
+        """
+        self._action('shelveOffload', server, None)
+
+    def unshelve(self, server):
+        """
+        Unshelve the server.
+        """
+        self._action('unshelve', server, None)
+
     def diagnostics(self, server):
         """Retrieve server diagnostics."""
         return self.api.client.get("/servers/%s/diagnostics" %

novaclient/v1_1/shell.py

@@ -1336,6 +1336,24 @@ def do_unrescue(cs, args):
     _find_server(cs, args.server).unrescue()
 
 
+@utils.arg('server', metavar='<server>', help='Name or ID of server.')
+def do_shelve(cs, args):
+    """Shelve a server."""
+    _find_server(cs, args.server).shelve()
+
+
+@utils.arg('server', metavar='<server>', help='Name or ID of server.')
+def do_shelve_offload(cs, args):
+    """Remove a shelved server from the compute node."""
+    _find_server(cs, args.server).shelve_offload()
+
+
+@utils.arg('server', metavar='<server>', help='Name or ID of server.')
+def do_unshelve(cs, args):
+    """Unshelve a server."""
+    _find_server(cs, args.server).unshelve()
+
+
 @utils.arg('server', metavar='<server>', help='Name or ID of server.')
 def do_diagnostics(cs, args):
     """Retrieve server diagnostics."""