Migrated migrations_client.py from tempest

This migrates the above files from tempest. This includes tempest commits:

 * migrations_client.py     : Ice3665e91ff34409f6f105303213303d1fca1816
 * migrations.py            : I5e81dadd5dee4ecd85f309c34dae0d3ba0733a0d
 * test_migrations_client.py: I3ad6761651cec5e66012d08e6b63322f53286a5c

to see the commit history for these files refer to the above Change-Ids in
the tempest repository.

Partially implements blueprint migrate-service-clients-to-tempest-lib
Change-Id: I0dbae04c479b9d742a3e51d1d60c372093c2c027

3 files changed, 137 insertions, 0 deletions

diff --git a/tempest_lib/api_schema/response/compute/v2_1/migrations.py b/tempest_lib/api_schema/response/compute/v2_1/migrations.py
new file mode 100644
index 0000000..b7d66ea
--- /dev/null
+++ b/tempest_lib/api_schema/response/compute/v2_1/migrations.py
@@ -0,0 +1,51 @@
+# Copyright 2014 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.
+
+list_migrations = {
+    'status_code': [200],
+    'response_body': {
+        'type': 'object',
+        'properties': {
+            'migrations': {
+                'type': 'array',
+                'items': {
+                    'type': 'object',
+                    'properties': {
+                        'id': {'type': 'integer'},
+                        'status': {'type': ['string', 'null']},
+                        'instance_uuid': {'type': ['string', 'null']},
+                        'source_node': {'type': ['string', 'null']},
+                        'source_compute': {'type': ['string', 'null']},
+                        'dest_node': {'type': ['string', 'null']},
+                        'dest_compute': {'type': ['string', 'null']},
+                        'dest_host': {'type': ['string', 'null']},
+                        'old_instance_type_id': {'type': ['integer', 'null']},
+                        'new_instance_type_id': {'type': ['integer', 'null']},
+                        'created_at': {'type': 'string'},
+                        'updated_at': {'type': ['string', 'null']}
+                    },
+                    'additionalProperties': False,
+                    'required': [
+                        'id', 'status', 'instance_uuid', 'source_node',
+                        'source_compute', 'dest_node', 'dest_compute',
+                        'dest_host', 'old_instance_type_id',
+                        'new_instance_type_id', 'created_at', 'updated_at'
+                    ]
+                }
+            }
+        },
+        'additionalProperties': False,
+        'required': ['migrations']
+    }
+}
diff --git a/tempest_lib/services/compute/migrations_client.py b/tempest_lib/services/compute/migrations_client.py
new file mode 100644
index 0000000..1629a4e
--- /dev/null
+++ b/tempest_lib/services/compute/migrations_client.py
@@ -0,0 +1,34 @@
+# Copyright 2014 NEC Corporation.
+#
+#    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 oslo_serialization import jsonutils as json
+from six.moves.urllib import parse as urllib
+
+from tempest_lib.api_schema.response.compute.v2_1 import migrations as schema
+from tempest_lib.common import rest_client
+
+
+class MigrationsClient(rest_client.RestClient):
+
+    def list_migrations(self, **params):
+        """Lists all migrations."""
+
+        url = 'os-migrations'
+        if params:
+            url += '?%s' % urllib.urlencode(params)
+
+        resp, body = self.get(url)
+        body = json.loads(body)
+        self.validate_response(schema.list_migrations, resp, body)
+        return rest_client.ResponseBody(resp, body)
diff --git a/tempest_lib/tests/services/compute/test_migrations_client.py b/tempest_lib/tests/services/compute/test_migrations_client.py
new file mode 100644
index 0000000..a949d67
--- /dev/null
+++ b/tempest_lib/tests/services/compute/test_migrations_client.py
@@ -0,0 +1,52 @@
+# Copyright 2015 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_lib.services.compute import migrations_client
+from tempest_lib.tests import fake_auth_provider
+from tempest_lib.tests.services.compute import base
+
+
+class TestMigrationsClient(base.BaseComputeServiceTest):
+    FAKE_MIGRATION_INFO = {"migrations": [{
+        "created_at": "2012-10-29T13:42:02",
+        "dest_compute": "compute2",
+        "dest_host": "1.2.3.4",
+        "dest_node": "node2",
+        "id": 1234,
+        "instance_uuid": "e9e4fdd7-f956-44ff-bfeb-d654a96ab3a2",
+        "new_instance_type_id": 2,
+        "old_instance_type_id": 1,
+        "source_compute": "compute1",
+        "source_node": "node1",
+        "status": "finished",
+        "updated_at": "2012-10-29T13:42:02"}]}
+
+    def setUp(self):
+        super(TestMigrationsClient, self).setUp()
+        fake_auth = fake_auth_provider.FakeAuthProvider()
+        self.mg_client_obj = migrations_client.MigrationsClient(
+            fake_auth, 'compute', 'regionOne')
+
+    def _test_list_migrations(self, bytes_body=False):
+        self.check_service_client_function(
+            self.mg_client_obj.list_migrations,
+            'tempest_lib.common.rest_client.RestClient.get',
+            self.FAKE_MIGRATION_INFO,
+            bytes_body)
+
+    def test_list_migration_with_str_body(self):
+        self._test_list_migrations()
+
+    def test_list_migration_with_bytes_body(self):
+        self._test_list_migrations(True)