Add set_provision_state to the client libs

The commit https://review.openstack.org/#/c/61160/ exposes in the Ironic
API a way to trigger the provisioning of a node. This patch add this
functionality on the client libraries (Not exposed on the CLI).

Change-Id: I8c0f339f2c76c153ecba961d0ca411d438c21ceb

ironicclient/tests/v1/test_node.py

@@ -136,6 +136,13 @@ fake_responses = {
             DRIVER_IFACES,
         ),
     },
+    '/v1/nodes/%s/states/provision' % NODE1['uuid']:
+    {
+        'PUT': (
+            {},
+            None,
+        ),
+    },
 }
 
 
@@ -246,3 +253,12 @@ class NodeManagerTest(testtools.TestCase):
         self.assertEqual(DRIVER_IFACES['deploy'], ifaces.deploy)
         self.assertEqual(DRIVER_IFACES['rescue'], ifaces.rescue)
         self.assertEqual(DRIVER_IFACES['console'], ifaces.console)
+
+    def test_node_set_provision_state(self):
+        target_state = 'active'
+        self.mgr.set_provision_state(NODE1['uuid'], target_state)
+        body = {'target': target_state}
+        expect = [
+            ('PUT', '/v1/nodes/%s/states/provision' % NODE1['uuid'], {}, body),
+        ]
+        self.assertEqual(expect, self.api.calls)

ironicclient/v1/node.py

@@ -89,3 +89,8 @@ class NodeManager(base.Manager):
     def validate(self, node_uuid):
         path = "%s/validate" % node_uuid
         return self.get(path)
+
+    def set_provision_state(self, node_uuid, state):
+        path = "%s/states/provision" % node_uuid
+        target = {'target': state}
+        return self._update(self._path(path), target, method='PUT')