Add compute noop driver and test case

1. implement methods in noop_driver/driver.py
2. add unit test class in test_compute_noop_driver

Change-Id: Ifc31c7d819ededd7f350cd1d4207ffd48c49a8bb

octavia/compute/drivers/noop_driver/driver.py

@@ -0,0 +1,86 @@
+# Copyright 2015 Hewlett-Packard Development Company, L.P.
+#
+# 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_log import log as logging
+
+from octavia.compute import compute_base as driver_base
+
+LOG = logging.getLogger(__name__)
+
+
+class NoopManager(object):
+    def __init__(self):
+        super(NoopManager, self).__init__()
+        self.computeconfig = {}
+
+    def get_logger(self):
+        LOG.debug("Compute %s no-op", self.__class__.__name__)
+
+    def build(self, name="amphora_name", amphora_flavor=None, image_id=None,
+              key_name=None, sec_groups=None, network_ids=None,
+              config_drive_files=None, user_data=None):
+        LOG.debug("Compute %s no-op, build name %s, amphora_flavor %s, "
+                  "image_id %s, key_name %s, sec_groups %s, network_ids %s,"
+                  "config_drive_files %s, user_data %s",
+                  self.__class__.__name__, name, amphora_flavor, image_id,
+                  key_name, sec_groups, network_ids, config_drive_files,
+                  user_data)
+        self.computeconfig[(name, amphora_flavor, image_id, key_name,
+                            sec_groups, network_ids, config_drive_files,
+                            user_data)] = (name, amphora_flavor,
+                                           image_id, key_name, sec_groups,
+                                           network_ids, config_drive_files,
+                                           user_data, 'build')
+
+    def delete(self, amphora_id):
+        LOG.debug("Compute %s no-op, amphora_id %s",
+                  self.__class__.__name__, amphora_id)
+        self.computeconfig[amphora_id] = (amphora_id, 'delete')
+
+    def status(self, amphora_id):
+        LOG.debug("Compute %s no-op, amphora_id %s",
+                  self.__class__.__name__, amphora_id)
+        self.computeconfig[amphora_id] = (amphora_id, 'status')
+
+    def get_amphora(self, amphora_id):
+        LOG.debug("Compute %s no-op, amphora_id %s",
+                  self.__class__.__name__, amphora_id)
+        self.computeconfig[amphora_id] = (amphora_id, 'get_amphora')
+
+
+class NoopComputeDriver(driver_base.ComputeBase):
+    def __init__(self, log):
+        super(NoopComputeDriver, self).__init__()
+        self.log = log
+        self.driver = NoopManager()
+
+    def get_logger(self):
+        self.driver.get_logger()
+
+    def build(self, name="amphora_name", amphora_flavor=None, image_id=None,
+              key_name=None, sec_groups=None, network_ids=None,
+              config_drive_files=None, user_data=None):
+
+        self.driver.build(name, amphora_flavor, image_id, key_name,
+                          sec_groups, network_ids, config_drive_files,
+                          user_data)
+
+    def delete(self, amphora_id):
+        self.driver.delete(amphora_id)
+
+    def status(self, amphora_id):
+        self.driver.status(amphora_id)
+
+    def get_amphora(self, amphora_id):
+        self.driver.get_amphora(amphora_id)

octavia/tests/unit/compute/drivers/test_compute_noop_driver.py

@@ -0,0 +1,74 @@
+# Copyright 2015 Hewlett-Packard Development Company, L.P.
+#
+# 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_log import log as logging
+from oslo_utils import uuidutils
+
+from octavia.compute.drivers.noop_driver import driver as driver
+import octavia.tests.unit.base as base
+
+
+LOG = logging.getLogger(__name__)
+
+
+class TestNoopComputeDriver(base.TestCase):
+    FAKE_UUID_1 = uuidutils.generate_uuid()
+    FAKE_UUID_2 = uuidutils.generate_uuid()
+    FAKE_UUID_3 = uuidutils.generate_uuid()
+
+    def setUp(self):
+        super(TestNoopComputeDriver, self).setUp()
+        self.driver = driver.NoopComputeDriver(LOG)
+
+        self.name = "amphora_name"
+        self.amphora_flavor = "m1.tiny"
+        self.image_id = self.FAKE_UUID_2
+        self.key_name = "key_name"
+        self.sec_groups = "default"
+        self.network_ids = self.FAKE_UUID_3
+        self.confdrivefiles = "config_driver_files"
+        self.user_data = "user_data"
+        self.amphora_id = self.FAKE_UUID_1
+
+    def get_logger(self):
+        self.driver.get_logger()
+
+    def build(self):
+        self.driver.build(self.name, self.amphora_flavor, self.image_id,
+                          self.key_name, self.sec_groups, self.network_ids,
+                          self.confdrivefiles, self.user_data)
+
+        self.assertEqual((self.name, self.amphora_flavor, self.image_id,
+                          self.key_name, self.sec_groups, self.network_ids,
+                          self.config_drive_files, self.user_data, 'build'),
+                         self.driver.driver.computeconfig[(self.name,
+                                                           self.amphora_flavor,
+                                                           self.image_id,
+                                                           self.key_name,
+                                                           self.sec_groups,
+                                                           self.network_ids,
+                                                           self.confdrivefiles,
+                                                           self.user_data)])
+
+    def test_delete(self):
+        self.driver.delete(self.amphora_id)
+        self.assertEqual((self.amphora_id, 'delete'),
+                         self.driver.driver.computeconfig[
+                             self.amphora_id])
+
+    def status(self):
+        self.driver.status(self.amphora_id)
+
+    def get_amphora(self):
+        self.driver.get_amphora(self.amphora_id)