Add node-validate to cli

Add the node-validate command that triggers the validation of the 'core'
and 'standardized' driver interfaces of a given node. This will also be
used by the ironic driver on nova to validate the node driver interfaces
before deploying it.

Change-Id: I93811c9bfbfe4f7b8559fc4ce566c8d4e19a54ac

ironicclient/tests/v1/test_node.py

@@ -48,6 +48,10 @@ PORT = {'id': 456,
 POWER_STATE = {'current': 'power off',
                'target': 'power on'}
 
+DRIVER_IFACES = {'power': True, 'deploy': True,
+                 'console': 'not supported',
+                 'rescue': 'not supported'}
+
 CREATE_NODE = copy.deepcopy(NODE1)
 del CREATE_NODE['id']
 del CREATE_NODE['uuid']
@@ -125,6 +129,13 @@ fake_responses = {
             POWER_STATE,
         ),
     },
+    '/v1/nodes/%s/validate' % NODE1['uuid']:
+    {
+        'GET': (
+            {},
+            DRIVER_IFACES,
+        ),
+    },
 }
 
 
@@ -224,3 +235,14 @@ class NodeManagerTest(testtools.TestCase):
         ]
         self.assertEqual(expect, self.api.calls)
         self.assertEqual('power on', power_state.target)
+
+    def test_node_validate(self):
+        ifaces = self.mgr.validate(NODE1['uuid'])
+        expect = [
+            ('GET', '/v1/nodes/%s/validate' % NODE1['uuid'], {}, None),
+        ]
+        self.assertEqual(expect, self.api.calls)
+        self.assertEqual(DRIVER_IFACES['power'], ifaces.power)
+        self.assertEqual(DRIVER_IFACES['deploy'], ifaces.deploy)
+        self.assertEqual(DRIVER_IFACES['rescue'], ifaces.rescue)
+        self.assertEqual(DRIVER_IFACES['console'], ifaces.console)

ironicclient/v1/node.py

@@ -81,3 +81,7 @@ class NodeManager(base.Manager):
         path = "%s/state/power" % node_id
         target = {'target': "power %s" % state}
         return self._update(self._path(path), target, method='PUT')
+
+    def validate(self, node_uuid):
+        path = "%s/validate" % node_uuid
+        return self.get(path)

ironicclient/v1/node_shell.py

@@ -153,3 +153,14 @@ def do_node_set_power_state(cc, args):
     field_list = ['current', 'target']
     data = dict([(f, getattr(state, f, '')) for f in field_list])
     utils.print_dict(data, wrap=72)
+
+
+@utils.arg('node',
+           metavar='<node uuid>',
+           help="UUID of node")
+def do_node_validate(cc, args):
+    """Validate the node driver interfaces."""
+    ifaces = cc.node.validate(args.node)
+    field_list = ['power', 'deploy', 'console', 'rescue']
+    data = dict([(f, getattr(ifaces, f, '')) for f in field_list])
+    utils.print_dict(data, wrap=72)