Add aggregate json client and tests.

This adds aggregate json client and tests for following functions.
* Create an aggregate
* Delete an aggregate
* Get aggregate details
* Get aggregate list
* Add host to an aggregate
* Remove host from an aggregate

Change-Id: I2c18f1f40bd0dad0565d60946571df0eae321aaf
diff --git a/tempest/tests/compute/admin/test_aggregates.py b/tempest/tests/compute/admin/test_aggregates.py
new file mode 100644
index 0000000..06acc41
--- /dev/null
+++ b/tempest/tests/compute/admin/test_aggregates.py
@@ -0,0 +1,256 @@
+# vim: tabstop=4 shiftwidth=4 softtabstop=4
+
+# Copyright 2013 NEC Corporation.
+# All Rights Reserved.
+#
+#    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.
+
+from tempest.common.utils.data_utils import rand_name
+from tempest import exceptions
+from tempest.test import attr
+from tempest.tests.compute import base
+
+
+class AggregatesAdminTestJSON(base.BaseComputeAdminTest):
+
+    """
+    Tests Aggregates API that require admin privileges
+    """
+
+    _interface = 'json'
+
+    @classmethod
+    def setUpClass(cls):
+        super(AggregatesAdminTestJSON, cls).setUpClass()
+        cls.client = cls.os_adm.aggregates_client
+        cls.user_client = cls.os.aggregates_client
+        cls.aggregate_name_prefix = 'test_aggregate_'
+        cls.az_name_prefix = 'test_az_'
+
+        resp, hosts_all = cls.os_adm.hosts_client.list_hosts()
+        hosts = map(lambda x: x['host_name'],
+                    filter(lambda y: y['service'] == 'compute', hosts_all))
+        cls.host = hosts[0]
+
+    @attr(type='positive')
+    def test_aggregate_create_delete(self):
+        # Create and delete an aggregate.
+        aggregate_name = rand_name(self.aggregate_name_prefix)
+        resp, aggregate = self.client.create_aggregate(aggregate_name)
+        self.assertEquals(200, resp.status)
+        self.assertEquals(aggregate_name, aggregate['name'])
+        self.assertEquals(None, aggregate['availability_zone'])
+
+        resp, _ = self.client.delete_aggregate(aggregate['id'])
+        self.assertEquals(200, resp.status)
+        self.client.wait_for_resource_deletion(aggregate['id'])
+
+    @attr(type='positive')
+    def test_aggregate_create_delete_with_az(self):
+        # Create and delete an aggregate.
+        aggregate_name = rand_name(self.aggregate_name_prefix)
+        az_name = rand_name(self.az_name_prefix)
+        resp, aggregate = self.client.create_aggregate(aggregate_name, az_name)
+        self.assertEquals(200, resp.status)
+        self.assertEquals(aggregate_name, aggregate['name'])
+        self.assertEquals(az_name, aggregate['availability_zone'])
+
+        resp, _ = self.client.delete_aggregate(aggregate['id'])
+        self.assertEquals(200, resp.status)
+        self.client.wait_for_resource_deletion(aggregate['id'])
+
+    @attr(type='positive')
+    def test_aggregate_create_verify_entry_in_list(self):
+        # Create an aggregate and ensure it is listed.
+        aggregate_name = rand_name(self.aggregate_name_prefix)
+        resp, aggregate = self.client.create_aggregate(aggregate_name)
+        self.addCleanup(self.client.delete_aggregate, aggregate['id'])
+
+        resp, aggregates = self.client.list_aggregates()
+        self.assertEquals(200, resp.status)
+        self.assertIn((aggregate['id'], aggregate['availability_zone']),
+                      map(lambda x: (x['id'], x['availability_zone']),
+                          aggregates))
+
+    @attr(type='positive')
+    def test_aggregate_create_get_details(self):
+        # Create an aggregate and ensure its details are returned.
+        aggregate_name = rand_name(self.aggregate_name_prefix)
+        resp, aggregate = self.client.create_aggregate(aggregate_name)
+        self.addCleanup(self.client.delete_aggregate, aggregate['id'])
+
+        resp, body = self.client.get_aggregate(aggregate['id'])
+        self.assertEquals(200, resp.status)
+        self.assertEquals(aggregate['name'], body['name'])
+        self.assertEquals(aggregate['availability_zone'],
+                          body['availability_zone'])
+
+    @attr(type='negative')
+    def test_aggregate_create_as_user(self):
+        # Regular user is not allowed to create an aggregate.
+        aggregate_name = rand_name(self.aggregate_name_prefix)
+        self.assertRaises(exceptions.Unauthorized,
+                          self.user_client.create_aggregate,
+                          aggregate_name)
+
+    @attr(type='negative')
+    def test_aggregate_delete_as_user(self):
+        # Regular user is not allowed to delete an aggregate.
+        aggregate_name = rand_name(self.aggregate_name_prefix)
+        resp, aggregate = self.client.create_aggregate(aggregate_name)
+        self.addCleanup(self.client.delete_aggregate, aggregate['id'])
+
+        self.assertRaises(exceptions.Unauthorized,
+                          self.user_client.delete_aggregate,
+                          aggregate['id'])
+
+    @attr(type='negative')
+    def test_aggregate_list_as_user(self):
+        # Regular user is not allowed to list aggregates.
+        self.assertRaises(exceptions.Unauthorized,
+                          self.user_client.list_aggregates)
+
+    @attr(type='negative')
+    def test_aggregate_get_details_as_user(self):
+        # Regular user is not allowed to get aggregate details.
+        aggregate_name = rand_name(self.aggregate_name_prefix)
+        resp, aggregate = self.client.create_aggregate(aggregate_name)
+        self.addCleanup(self.client.delete_aggregate, aggregate['id'])
+
+        self.assertRaises(exceptions.Unauthorized,
+                          self.user_client.get_aggregate,
+                          aggregate['id'])
+
+    @attr(type='negative')
+    def test_aggregate_delete_with_invalid_id(self):
+        # Delete an aggregate with invalid id should raise exceptions.
+        self.assertRaises(exceptions.NotFound,
+                          self.client.delete_aggregate, -1)
+
+    @attr(type='negative')
+    def test_aggregate_get_details_with_invalid_id(self):
+        # Get aggregate details with invalid id should raise exceptions.
+        self.assertRaises(exceptions.NotFound,
+                          self.client.get_aggregate, -1)
+
+    @attr(type='positive')
+    def test_aggregate_add_remove_host(self):
+        # Add an host to the given aggregate and remove.
+        aggregate_name = rand_name(self.aggregate_name_prefix)
+        resp, aggregate = self.client.create_aggregate(aggregate_name)
+        self.addCleanup(self.client.delete_aggregate, aggregate['id'])
+
+        resp, body = self.client.add_host(aggregate['id'], self.host)
+        self.assertEquals(200, resp.status)
+        self.assertEquals(aggregate_name, body['name'])
+        self.assertEquals(aggregate['availability_zone'],
+                          body['availability_zone'])
+        self.assertIn(self.host, body['hosts'])
+
+        resp, body = self.client.remove_host(aggregate['id'], self.host)
+        self.assertEquals(200, resp.status)
+        self.assertEquals(aggregate_name, body['name'])
+        self.assertEquals(aggregate['availability_zone'],
+                          body['availability_zone'])
+        self.assertNotIn(self.host, body['hosts'])
+
+    @attr(type='positive')
+    def test_aggregate_add_host_list(self):
+        # Add an host to the given aggregate and list.
+        aggregate_name = rand_name(self.aggregate_name_prefix)
+        resp, aggregate = self.client.create_aggregate(aggregate_name)
+        self.addCleanup(self.client.delete_aggregate, aggregate['id'])
+        self.client.add_host(aggregate['id'], self.host)
+        self.addCleanup(self.client.remove_host, aggregate['id'], self.host)
+
+        resp, aggregates = self.client.list_aggregates()
+        aggs = filter(lambda x: x['id'] == aggregate['id'], aggregates)
+        self.assertEquals(1, len(aggs))
+        agg = aggs[0]
+        self.assertEquals(aggregate_name, agg['name'])
+        self.assertEquals(None, agg['availability_zone'])
+        self.assertIn(self.host, agg['hosts'])
+
+    @attr(type='positive')
+    def test_aggregate_add_host_get_details(self):
+        # Add an host to the given aggregate and get details.
+        aggregate_name = rand_name(self.aggregate_name_prefix)
+        resp, aggregate = self.client.create_aggregate(aggregate_name)
+        self.addCleanup(self.client.delete_aggregate, aggregate['id'])
+        self.client.add_host(aggregate['id'], self.host)
+        self.addCleanup(self.client.remove_host, aggregate['id'], self.host)
+
+        resp, body = self.client.get_aggregate(aggregate['id'])
+        self.assertEquals(aggregate_name, body['name'])
+        self.assertEquals(None, body['availability_zone'])
+        self.assertIn(self.host, body['hosts'])
+
+    @attr(type='positive')
+    def test_aggregate_add_host_create_server_with_az(self):
+        # Add an host to the given aggregate and create a server.
+        aggregate_name = rand_name(self.aggregate_name_prefix)
+        az_name = rand_name(self.az_name_prefix)
+        resp, aggregate = self.client.create_aggregate(aggregate_name, az_name)
+        self.addCleanup(self.client.delete_aggregate, aggregate['id'])
+        self.client.add_host(aggregate['id'], self.host)
+        self.addCleanup(self.client.remove_host, aggregate['id'], self.host)
+
+        server_name = rand_name('test_server_')
+        servers_client = self.servers_client
+        admin_servers_client = self.os_adm.servers_client
+        resp, server = self.create_server(name=server_name,
+                                          availability_zone=az_name)
+        servers_client.wait_for_server_status(server['id'], 'ACTIVE')
+        resp, body = admin_servers_client.get_server(server['id'])
+        self.assertEqual(self.host, body['OS-EXT-SRV-ATTR:host'])
+
+    @attr(type='negative')
+    def test_aggregate_add_non_exist_host(self):
+        # Adding a non-exist host to an aggregate should raise exceptions.
+        resp, hosts_all = self.os_adm.hosts_client.list_hosts()
+        hosts = map(lambda x: x['host_name'], hosts_all)
+        while True:
+            non_exist_host = rand_name('nonexist_host_')
+            if non_exist_host not in hosts:
+                break
+
+        aggregate_name = rand_name(self.aggregate_name_prefix)
+        resp, aggregate = self.client.create_aggregate(aggregate_name)
+        self.addCleanup(self.client.delete_aggregate, aggregate['id'])
+
+        self.assertRaises(exceptions.NotFound, self.client.add_host,
+                          aggregate['id'], non_exist_host)
+
+    @attr(type='negative')
+    def test_aggregate_add_host_as_user(self):
+        # Regular user is not allowed to add a host to an aggregate.
+        aggregate_name = rand_name(self.aggregate_name_prefix)
+        resp, aggregate = self.client.create_aggregate(aggregate_name)
+        self.addCleanup(self.client.delete_aggregate, aggregate['id'])
+
+        self.assertRaises(exceptions.Unauthorized,
+                          self.user_client.add_host,
+                          aggregate['id'], self.host)
+
+    @attr(type='negative')
+    def test_aggregate_remove_host_as_user(self):
+        # Regular user is not allowed to remove a host from an aggregate.
+        aggregate_name = rand_name(self.aggregate_name_prefix)
+        resp, aggregate = self.client.create_aggregate(aggregate_name)
+        self.addCleanup(self.client.delete_aggregate, aggregate['id'])
+        self.client.add_host(aggregate['id'], self.host)
+        self.addCleanup(self.client.remove_host, aggregate['id'], self.host)
+
+        self.assertRaises(exceptions.Unauthorized,
+                          self.user_client.remove_host,
+                          aggregate['id'], self.host)