Merge "Fullstack test for placement sync"

neutron/tests/fullstack/resources/config.py

@@ -92,7 +92,7 @@ class NeutronConfigFixture(ConfigFixture):
                 'lock_path': '$state_path/lock',
             },
             'agent': {
-                'report_interval': str(env_desc.agent_down_time / 2.0)
+                'report_interval': str(env_desc.agent_down_time // 2)
             },
         })
         policy_file = self._generate_policy_json()
@@ -109,6 +109,18 @@ class NeutronConfigFixture(ConfigFixture):
         if env_desc.router_scheduler:
             self.config['DEFAULT']['router_scheduler_driver'] = (
                 env_desc.router_scheduler)
+        if env_desc.has_placement:
+            service_plugins = self.config['DEFAULT']['service_plugins']
+            self.config['DEFAULT']['service_plugins'] = (
+                '%s,%s' % (service_plugins, 'placement')
+            )
+            self.config.update({
+                'placement': {
+                    'auth_type': 'noauth',
+                    'auth_section': 'http://127.0.0.1:%s/placement' %
+                    env_desc.placement_port
+                }
+            })
 
         net_helpers.set_local_port_range(CLIENT_CONN_PORT_START,
                                          CLIENT_CONN_PORT_END)
@@ -289,6 +301,22 @@ class SRIOVConfigFixture(ConfigFixture):
         super(SRIOVConfigFixture, self)._setUp()
 
 
+class PlacementConfigFixture(ConfigFixture):
+
+    def __init__(self, env_desc, host_desc, temp_dir):
+        super(PlacementConfigFixture, self).__init__(
+            env_desc, host_desc, temp_dir, base_filename='placement.ini')
+        self.config.update({
+            'DEFAULT': {
+                'debug': 'True',
+                'placement_port': self.env_desc.placement_port
+            }
+        })
+
+    def _setUp(self):
+        super(PlacementConfigFixture, self)._setUp()
+
+
 class LinuxBridgeConfigFixture(ConfigFixture):
 
     def __init__(self, env_desc, host_desc, temp_dir, local_ip,

neutron/tests/fullstack/resources/environment.py

@@ -38,7 +38,8 @@ class EnvironmentDescription(object):
                  service_plugins='router', arp_responder=False,
                  agent_down_time=75, router_scheduler=None,
                  global_mtu=constants.DEFAULT_NETWORK_MTU,
-                 debug_iptables=False, log=False, report_bandwidths=False):
+                 debug_iptables=False, log=False, report_bandwidths=False,
+                 has_placement=False, placement_port=None):
         self.network_type = network_type
         self.l2_pop = l2_pop
         self.qos = qos
@@ -52,6 +53,8 @@ class EnvironmentDescription(object):
         self.service_plugins = service_plugins
         self.debug_iptables = debug_iptables
         self.report_bandwidths = report_bandwidths
+        self.has_placement = has_placement
+        self.placement_port = placement_port
         if self.qos:
             self.service_plugins += ',qos'
         if self.log:
@@ -407,6 +410,17 @@ class Environment(fixtures.Fixture):
                 self.env_desc, None,
                 self.test_name, neutron_cfg_fixture, plugin_cfg_fixture))
 
+        if self.env_desc.has_placement:
+            placement_cfg_fixture = self.useFixture(
+                config.PlacementConfigFixture(self.env_desc, self.hosts_desc,
+                                              self.temp_dir)
+            )
+            self.placement = self.useFixture(
+                process.PlacementFixture(
+                    self.env_desc, self.hosts_desc, self.test_name,
+                    placement_cfg_fixture)
+            )
+
         self.hosts = [self._create_host(desc) for desc in self.hosts_desc]
 
         self.wait_until_env_is_up()

neutron/tests/fullstack/resources/process.py

@@ -213,6 +213,28 @@ class OVSAgentFixture(ServiceFixture):
             kill_signal=signal.SIGTERM))
 
 
+class PlacementFixture(fixtures.Fixture):
+
+    def __init__(self, env_desc, host_desc, test_name, placement_cfg_fixture):
+        super(PlacementFixture, self).__init__()
+        self.env_desc = env_desc
+        self.host_desc = host_desc
+        self.test_name = test_name
+        self.placement_cfg_fixture = placement_cfg_fixture
+        self.placement_config = self.placement_cfg_fixture.config
+
+    def _setUp(self):
+        self.process_fixture = self.useFixture(ProcessFixture(
+            test_name=self.test_name,
+            process_name='placement',
+            exec_name=spawn.find_executable(
+                'placement.py', path=os.path.join(fullstack_base.ROOTDIR,
+                                                  'servers')
+            ),
+            config_filenames=[self.placement_cfg_fixture.filename],
+            kill_signal=signal.SIGTERM))
+
+
 class SRIOVAgentFixture(ServiceFixture):
 
     NEUTRON_SRIOV_AGENT = "neutron-sriov-nic-agent"

neutron/tests/fullstack/servers/placement.py

@@ -0,0 +1,146 @@
+#!/usr/bin/env python
+# Copyright (c) 2019 Ericsson
+#
+#    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.
+
+import copy
+import sys
+import uuid
+from wsgiref import simple_server as wsgi_simple_server
+
+from oslo_config import cfg
+from oslo_config import types
+from oslo_log import log as logging
+from oslo_serialization import jsonutils
+from six.moves import urllib
+
+from neutron.common import config as common_config
+
+LOG = logging.getLogger(__name__)
+
+
+PortType = types.Integer(1, 65535)
+placement_opts = [
+    cfg.Opt('placement_port', type=PortType)
+]
+cfg.CONF.register_opts(placement_opts)
+
+
+class FakePlacement(object):
+
+    rp_template = {
+        "uuid": None,
+        "generation": 0,
+        "parent_provider_uuid": None,
+        "name": None,
+    }
+
+    def __init__(self):
+        self.host_rp_uuid = str(uuid.uuid4())
+        host_rp = copy.deepcopy(self.rp_template)
+        host_rp['uuid'] = self.host_rp_uuid
+        self.resource_providers = {
+            self.host_rp_uuid: host_rp
+        }
+
+    def get_resource_providers(self, **kwargs):
+        id = kwargs.get('id', None)
+        if not id:
+            return jsonutils.dumps(
+                {
+                    'resource_providers':
+                        [self.resource_providers[self.host_rp_uuid]]
+                })
+        else:
+            return jsonutils.dumps(self.resource_providers[id])
+
+    def put_traits(self, **kwargs):
+        # Return empty sting otherwise wsgiref goes mad
+        return ''
+
+    def put_resource_providers(self, **kwargs):
+        id = kwargs.get('id', None)
+        req_body = kwargs.get('body', None)
+        if id:
+            rp_dict = copy.deepcopy(self.rp_template)
+            rp_dict['uuid'] = id
+            rp_dict['parent_provider_uuid'] = req_body['parent_provider_uuid']
+            rp_dict['name'] = req_body['name']
+            self.resource_providers[rp_dict['uuid']] = rp_dict
+            return jsonutils.dumps(rp_dict)
+
+    def put_resource_providers_traits(self, **kwargs):
+        resp = kwargs['body']
+        resp['resource_provider_generation'] += 1
+        return jsonutils.dumps(resp)
+
+    def put_resource_providers_inventories(self, **kwargs):
+        resp = kwargs['body']
+        resp['resource_provider_generation'] += 1
+        return jsonutils.dumps(resp)
+
+    def build_method_name(self, action, path_info):
+        path_info = urllib.parse.urlparse(path_info).path
+        path_info_list = path_info.strip('/').split('/')
+        method_name = action.lower()
+        for path_chunk in path_info_list:
+            if any(s in path_chunk for s in ['placement', 'CUSTOM']):
+                continue
+            # If there is uuid in the path, that should be thrown out
+            try:
+                uuid.UUID(path_chunk)
+            except ValueError:
+                method_name += '_' + path_chunk
+        return method_name
+
+    def wsgi_app(self, env, start_response):
+        response_headers = [('Content-Type', 'application/json')]
+        http_status = '200 OK'
+
+        # Poor men's routing
+        meth_name = self.build_method_name(env['REQUEST_METHOD'],
+                                           env['PATH_INFO'])
+        params = {}
+        # Fetch params from url
+        try:
+            params['id'] = env['PATH_INFO'].split('/')[3]
+        except IndexError:
+            pass
+        # Fetch body
+        try:
+            request_body_size = int(env.get('CONTENT_LENGTH', 0))
+            if request_body_size > 0:
+                req_body = env['wsgi.input'].read(request_body_size)
+                params['body'] = jsonutils.loads(req_body.decode('utf-8'))
+        except ValueError:
+            pass
+        LOG.debug('Request on %s (%s) with body: %s',
+                  env['PATH_INFO'], env['REQUEST_METHOD'], params)
+        response = getattr(self, meth_name)(**params)
+        LOG.debug('Response from %s: %s', meth_name, response)
+
+        response = response.encode('utf-8')
+        start_response(http_status, response_headers)
+        return [response]
+
+
+if __name__ == "__main__":
+    common_config.init(sys.argv[1:])
+    common_config.setup_logging()
+    placement_port = cfg.CONF.placement_port
+
+    LOG.info("Placement fixture started on port: %s", placement_port)
+
+    mock_placement = FakePlacement()
+    wsgi_simple_server.make_server(
+        '', placement_port, mock_placement.wsgi_app).serve_forever()

neutron/tests/fullstack/test_agent_bandwidth_report.py

@@ -25,6 +25,64 @@ from neutron.tests.unit import testlib_api
 
 load_tests = testlib_api.module_load_tests
 
+BR_MAPPINGS = 'bridge_mappings'
+DEV_MAPPINGS = 'device_mappings'
+
+
+def _get_physnet_names_from_mapping(mapping):
+    physnets = []
+    for pair in mapping.split(','):
+        physnets.append(pair.split(':')[0])
+    return physnets
+
+
+def _add_new_device_to_agent_config(l2_agent_config, mapping_key_name,
+                                    new_dev):
+    old_bw = l2_agent_config[constants.RP_BANDWIDTHS]
+    old_mappings = l2_agent_config[mapping_key_name]
+    if new_dev in old_bw or new_dev in old_mappings:
+        return
+
+    new_mappings = 'physnetnew:%s' % new_dev
+    new_bw = '%s:%s:%s' % (new_dev,
+                           f_const.MINIMUM_BANDWIDTH_EGRESS_KBPS,
+                           f_const.MINIMUM_BANDWIDTH_INGRESS_KBPS)
+    l2_agent_config[mapping_key_name] = '%s,%s' % (
+        old_mappings, new_mappings)
+    l2_agent_config[constants.RP_BANDWIDTHS] = '%s,%s' % (
+        old_bw, new_bw)
+
+
+def _change_agent_conf(l2_agent_config, l2_agent,
+                       mapping_key_name, new_dev):
+    _add_new_device_to_agent_config(l2_agent_config, mapping_key_name, new_dev)
+    l2_agent.agent_cfg_fixture.write_config_to_configfile()
+
+
+def _add_new_bridge_and_restart_agent(host):
+    l2_agent = host.l2_agent
+    l2_agent_config = l2_agent.agent_cfg_fixture.config
+
+    if 'ovs' in host.agents:
+        new_dev = utils.get_rand_device_name(prefix='br-new')
+        _change_agent_conf(
+            l2_agent_config['ovs'], l2_agent, BR_MAPPINGS, new_dev)
+        physnets = _get_physnet_names_from_mapping(
+            l2_agent_config['ovs'][BR_MAPPINGS])
+        br_phys_new = host.useFixture(
+            net_helpers.OVSBridgeFixture(new_dev)).bridge
+        host.connect_to_central_network_via_vlans(br_phys_new)
+    elif 'sriov' in host.agents:
+        new_dev = utils.get_rand_device_name(prefix='ens7')
+        _change_agent_conf(
+            l2_agent_config['sriov_nic'], l2_agent,
+            'physical_device_mappings', new_dev)
+        physnets = _get_physnet_names_from_mapping(
+            l2_agent_config['sriov_nic']['physical_device_mappings'])
+
+    l2_agent.restart()
+    return physnets
+
 
 class TestAgentBandwidthReport(base.BaseFullStackTestCase):
 
@@ -35,19 +93,17 @@ class TestAgentBandwidthReport(base.BaseFullStackTestCase):
          {'l2_agent_type': constants.AGENT_TYPE_NIC_SWITCH})
     ]
 
-    BR_MAPPINGS = 'bridge_mappings'
-    DEV_MAPPINGS = 'device_mappings'
-
-    def setUp(self):
-        host_desc = [environment.HostDescription(
-            l3_agent=False,
-            l2_agent_type=self.l2_agent_type)]
-        env_desc = environment.EnvironmentDescription(
-            network_type='vlan',
-            l2_pop=False,
-            report_bandwidths=True,
-        )
-        env = environment.Environment(env_desc, host_desc)
+    def setUp(self, env=None):
+        if not env:
+            host_desc = [environment.HostDescription(
+                l3_agent=False,
+                l2_agent_type=self.l2_agent_type)]
+            env_desc = environment.EnvironmentDescription(
+                network_type='vlan',
+                l2_pop=False,
+                report_bandwidths=True,
+            )
+            env = environment.Environment(env_desc, host_desc)
 
         super(TestAgentBandwidthReport, self).setUp(env)
 
@@ -55,9 +111,9 @@ class TestAgentBandwidthReport(base.BaseFullStackTestCase):
         agent = self.client.show_agent(agent_id)['agent']
         agent_configurations = agent['configurations']
         if 'Open vSwitch' in agent['agent_type']:
-            mapping_key = self.BR_MAPPINGS
+            mapping_key = BR_MAPPINGS
         elif 'NIC Switch' in agent['agent_type']:
-            mapping_key = self.DEV_MAPPINGS
+            mapping_key = DEV_MAPPINGS
         else:
             return False
 
@@ -71,7 +127,7 @@ class TestAgentBandwidthReport(base.BaseFullStackTestCase):
                     agent_configurations):
                 return False
 
-            if mapping_key == self.BR_MAPPINGS:
+            if mapping_key == BR_MAPPINGS:
                 if (bridge_or_devices not in
                         agent_configurations[constants.RP_BANDWIDTHS]):
                     return False
@@ -90,58 +146,6 @@ class TestAgentBandwidthReport(base.BaseFullStackTestCase):
                 return False
         return True
 
-    def _get_physnet_names_from_mapping(self, mapping):
-        physnets = []
-        for pair in mapping.split(','):
-            physnets.append(pair.split(':')[0])
-        return physnets
-
-    def _add_new_device_to_agent_config(self, l2_agent_config,
-                                        mapping_key_name, new_dev):
-        old_bw = l2_agent_config[constants.RP_BANDWIDTHS]
-        old_mappings = l2_agent_config[mapping_key_name]
-        if new_dev in old_bw or new_dev in old_mappings:
-            return
-
-        new_mappings = 'physnetnew:%s' % new_dev
-        new_bw = '%s:%s:%s' % (new_dev,
-                               f_const.MINIMUM_BANDWIDTH_EGRESS_KBPS,
-                               f_const.MINIMUM_BANDWIDTH_INGRESS_KBPS)
-        l2_agent_config[mapping_key_name] = '%s,%s' % (
-            old_mappings, new_mappings)
-        l2_agent_config[constants.RP_BANDWIDTHS] = '%s,%s' % (
-            old_bw, new_bw)
-
-    def _change_agent_conf_and_restart_agent(self, l2_agent_config, l2_agent,
-                                            mapping_key_name, new_dev):
-        self._add_new_device_to_agent_config(
-            l2_agent_config, mapping_key_name, new_dev)
-        l2_agent.agent_cfg_fixture.write_config_to_configfile()
-
-    def _add_new_bridge_and_restart_agent(self, host):
-        l2_agent = host.l2_agent
-        l2_agent_config = l2_agent.agent_cfg_fixture.config
-
-        if 'ovs' in host.agents:
-            new_dev = utils.get_rand_device_name(prefix='br-new')
-            self._change_agent_conf_and_restart_agent(
-                l2_agent_config['ovs'], l2_agent, self.BR_MAPPINGS, new_dev)
-            physnets = self._get_physnet_names_from_mapping(
-                l2_agent_config['ovs'][self.BR_MAPPINGS])
-            br_phys_new = host.useFixture(
-                net_helpers.OVSBridgeFixture(new_dev)).bridge
-            host.connect_to_central_network_via_vlans(br_phys_new)
-        elif 'sriov' in host.agents:
-            new_dev = utils.get_rand_device_name(prefix='ens7')
-            self._change_agent_conf_and_restart_agent(
-                l2_agent_config['sriov_nic'], l2_agent,
-                'physical_device_mappings', new_dev)
-            physnets = self._get_physnet_names_from_mapping(
-                l2_agent_config['sriov_nic']['physical_device_mappings'])
-
-        l2_agent.restart()
-        return physnets
-
     def test_agent_configurations(self):
         agents = self.client.list_agents()
 
@@ -150,10 +154,10 @@ class TestAgentBandwidthReport(base.BaseFullStackTestCase):
 
         agent_config = self.environment.hosts[0].l2_agent.agent_config
         if 'ovs' in self.environment.hosts[0].agents:
-            physnets = self._get_physnet_names_from_mapping(
-                agent_config['ovs'][self.BR_MAPPINGS])
+            physnets = _get_physnet_names_from_mapping(
+                agent_config['ovs'][BR_MAPPINGS])
         elif 'sriov' in self.environment.hosts[0].agents:
-            physnets = self._get_physnet_names_from_mapping(
+            physnets = _get_physnet_names_from_mapping(
                 agent_config['sriov_nic']['physical_device_mappings'])
 
         self.assertTrue(
@@ -163,8 +167,7 @@ class TestAgentBandwidthReport(base.BaseFullStackTestCase):
         # Add new physnet with bandwidth value to agent config and check
         # if after agent restart and report_interval wait it is visible in
         # the configurations field.
-        physnets = self._add_new_bridge_and_restart_agent(
-            self.environment.hosts[0])
+        physnets = _add_new_bridge_and_restart_agent(self.environment.hosts[0])
 
         agents = self.client.list_agents()
         l2_agent = agents['agents'][0]
@@ -178,3 +181,69 @@ class TestAgentBandwidthReport(base.BaseFullStackTestCase):
             predicate=check_agent_alive,
             timeout=float(report_interval) + 10,
             sleep=5)
+
+
+class TestPlacementBandwidthReport(base.BaseFullStackTestCase):
+
+    scenarios = [
+        (constants.AGENT_TYPE_OVS,
+         {'l2_agent_type': constants.AGENT_TYPE_OVS,
+          'mech_drivers': 'openvswitch,linuxbridge',
+          'placement_port': '8080'}),
+        (constants.AGENT_TYPE_NIC_SWITCH,
+         {'l2_agent_type': constants.AGENT_TYPE_NIC_SWITCH,
+          'mech_drivers': 'sriovnicswitch',
+          'placement_port': '8081'})
+    ]
+
+    def setUp(self):
+        host_desc = [environment.HostDescription(
+            l3_agent=False,
+            l2_agent_type=self.l2_agent_type)]
+        env_desc = environment.EnvironmentDescription(
+            network_type='vlan',
+            l2_pop=False,
+            mech_drivers=self.mech_drivers,
+            report_bandwidths=True,
+            has_placement=True,
+            placement_port=self.placement_port
+        )
+        env = environment.Environment(env_desc, host_desc)
+        super(TestPlacementBandwidthReport, self).setUp(env)
+
+    def _check_agent_not_synced(self):
+        return not self._check_agent_synced()
+
+    def _check_agent_synced(self):
+        agents = self.client.list_agents()
+        if (len(agents['agents']) == 1 and
+                agents['agents'][0]['resources_synced']):
+            return True
+        return False
+
+    def test_configurations_are_synced_towards_placement(self):
+        neutron_config = self.environment.hosts[0].l2_agent.neutron_config
+        report_interval = int(neutron_config['agent']['report_interval'])
+
+        check_agent_synced = functools.partial(self._check_agent_synced)
+        utils.wait_until_true(
+            predicate=check_agent_synced,
+            timeout=report_interval + 10,
+            sleep=1)
+
+        self.environment.placement.process_fixture.stop()
+        _add_new_bridge_and_restart_agent(self.environment.hosts[0])
+
+        check_agent_not_synced = functools.partial(
+            self._check_agent_not_synced)
+        utils.wait_until_true(
+            predicate=check_agent_not_synced,
+            timeout=report_interval + 10,
+            sleep=1)
+
+        self.environment.placement.process_fixture.start()
+        check_agent_synced = functools.partial(self._check_agent_synced)
+        utils.wait_until_true(
+            predicate=check_agent_synced,
+            timeout=report_interval + 10,
+            sleep=1)