diff options
7 files changed, 176 insertions, 77 deletions
diff --git a/tests/unit/network_services/vnf_generic/vnf/test_base.py b/tests/unit/network_services/vnf_generic/vnf/test_base.py index 664373f8f..9ef6473f0 100644 --- a/tests/unit/network_services/vnf_generic/vnf/test_base.py +++ b/tests/unit/network_services/vnf_generic/vnf/test_base.py @@ -215,9 +215,11 @@ class TestGenericVNF(unittest.TestCase): with self.assertRaises(TypeError) as exc: # pylint: disable=abstract-class-instantiated base.GenericVNF('vnf1', VNFD['vnfd:vnfd-catalog']['vnfd'][0]) - msg = ("Can't instantiate abstract class GenericVNF with abstract " - "methods collect_kpi, instantiate, scale, terminate, " - "wait_for_instantiate") + + msg = ("Can't instantiate abstract class GenericVNF with abstract methods " + "collect_kpi, instantiate, scale, start_collect, " + "stop_collect, terminate, wait_for_instantiate") + self.assertEqual(msg, str(exc.exception)) diff --git a/tests/unit/network_services/vnf_generic/vnf/test_sample_vnf.py b/tests/unit/network_services/vnf_generic/vnf/test_sample_vnf.py index eb59c2837..38a043d00 100644 --- a/tests/unit/network_services/vnf_generic/vnf/test_sample_vnf.py +++ b/tests/unit/network_services/vnf_generic/vnf/test_sample_vnf.py @@ -1714,6 +1714,64 @@ class TestSampleVnf(unittest.TestCase): self.assertIsNone(sample_vnf.instantiate(scenario_cfg, {})) self.assertEqual(sample_vnf.nfvi_context, context2) + def test__update_collectd_options(self): + scenario_cfg = {'options': + {'collectd': + {'interval': 3, + 'plugins': + {'plugin3': {'param': 3}}}, + 'vnf__0': + {'collectd': + {'interval': 2, + 'plugins': + {'plugin3': {'param': 2}, + 'plugin2': {'param': 2}}}}}} + context_cfg = {'nodes': + {'vnf__0': + {'collectd': + {'interval': 1, + 'plugins': + {'plugin3': {'param': 1}, + 'plugin2': {'param': 1}, + 'plugin1': {'param': 1}}}}}} + expected = {'interval': 1, + 'plugins': + {'plugin3': {'param': 1}, + 'plugin2': {'param': 1}, + 'plugin1': {'param': 1}}} + + vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0] + sample_vnf = SampleVNF('vnf__0', vnfd) + sample_vnf._update_collectd_options(scenario_cfg, context_cfg) + self.assertEqual(sample_vnf.setup_helper.collectd_options, expected) + + def test__update_options(self): + options1 = {'interval': 1, + 'param1': 'value1', + 'plugins': + {'plugin3': {'param': 3}, + 'plugin2': {'param': 1}, + 'plugin1': {'param': 1}}} + options2 = {'interval': 2, + 'param2': 'value2', + 'plugins': + {'plugin4': {'param': 4}, + 'plugin2': {'param': 2}, + 'plugin1': {'param': 2}}} + expected = {'interval': 1, + 'param1': 'value1', + 'param2': 'value2', + 'plugins': + {'plugin4': {'param': 4}, + 'plugin3': {'param': 3}, + 'plugin2': {'param': 1}, + 'plugin1': {'param': 1}}} + + vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0] + sample_vnf = SampleVNF('vnf1', vnfd) + sample_vnf._update_options(options2, options1) + self.assertEqual(options2, expected) + @mock.patch("yardstick.network_services.vnf_generic.vnf.sample_vnf.time") @mock.patch("yardstick.ssh.SSH") def test_wait_for_instantiate_empty_queue(self, ssh, *args): diff --git a/yardstick/benchmark/scenarios/networking/vnf_generic.py b/yardstick/benchmark/scenarios/networking/vnf_generic.py index be2fa3f3b..78f866e25 100644 --- a/yardstick/benchmark/scenarios/networking/vnf_generic.py +++ b/yardstick/benchmark/scenarios/networking/vnf_generic.py @@ -441,7 +441,7 @@ class NetworkServiceTestCase(scenario_base.Scenario): traffic_gen.listen_traffic(self.traffic_profile) # register collector with yardstick for KPI collection. - self.collector = Collector(self.vnfs, self.context_cfg["nodes"], self.traffic_profile) + self.collector = Collector(self.vnfs) self.collector.start() # Start the actual traffic diff --git a/yardstick/network_services/collector/subscriber.py b/yardstick/network_services/collector/subscriber.py index 7e18302eb..322b3f5a2 100644 --- a/yardstick/network_services/collector/subscriber.py +++ b/yardstick/network_services/collector/subscriber.py @@ -14,42 +14,29 @@ """This module implements stub for publishing results in yardstick format.""" import logging -from yardstick.network_services.nfvi.resource import ResourceProfile -from yardstick.network_services.utils import get_nsb_option - LOG = logging.getLogger(__name__) class Collector(object): """Class that handles dictionary of results in yardstick-plot format.""" - def __init__(self, vnfs, nodes, traffic_profile, timeout=3600): + def __init__(self, vnfs): super(Collector, self).__init__() - self.traffic_profile = traffic_profile self.vnfs = vnfs - self.nodes = nodes - self.timeout = timeout - self.bin_path = get_nsb_option('bin_path', '') - self.resource_profiles = {node_name: ResourceProfile.make_from_node(node, self.timeout) - for node_name, node in self.nodes.items() - if node.get("collectd")} def start(self): - """Nothing to do, yet""" - for resource in self.resource_profiles.values(): - resource.initiate_systemagent(self.bin_path) - resource.start() - resource.amqp_process_for_nfvi_kpi() + for vnf in self.vnfs: + vnf.start_collect() def stop(self): - """Nothing to do, yet""" - for resource in self.resource_profiles.values(): - resource.stop() + for vnf in self.vnfs: + vnf.stop_collect() def get_kpi(self): """Returns dictionary of results in yardstick-plot format - :return: + :return: (dict) dictionary of kpis collected from the VNFs; + the keys are the names of the VNFs. """ results = {} for vnf in self.vnfs: @@ -58,17 +45,4 @@ class Collector(object): LOG.debug("collect KPI for %s", vnf.name) results[vnf.name] = vnf.collect_kpi() - for node_name, resource in self.resource_profiles.items(): - # Result example: - # {"VNF1: { "tput" : [1000, 999] }, "VNF2": { "latency": 100 }} - LOG.debug("collect KPI for %s", node_name) - if resource.check_if_system_agent_running("collectd")[0] != 0: - continue - - try: - results[node_name] = {"core": resource.amqp_collect_nfvi_kpi()} - LOG.debug("%s collect KPIs %s", node_name, results[node_name]['core']) - # NOTE(elfoley): catch a more specific error - except Exception as exc: # pylint: disable=broad-except - LOG.exception(exc) return results diff --git a/yardstick/network_services/vnf_generic/vnf/base.py b/yardstick/network_services/vnf_generic/vnf/base.py index a776b0989..9ceac3167 100644 --- a/yardstick/network_services/vnf_generic/vnf/base.py +++ b/yardstick/network_services/vnf_generic/vnf/base.py @@ -195,6 +195,18 @@ class GenericVNF(object): :return: {"kpi": value, "kpi2": value} """ + @abc.abstractmethod + def start_collect(self): + """Start KPI collection + :return: None + """ + + @abc.abstractmethod + def stop_collect(self): + """Stop KPI collection + :return: None + """ + @six.add_metaclass(abc.ABCMeta) class GenericTrafficGen(GenericVNF): @@ -254,3 +266,23 @@ class GenericTrafficGen(GenericVNF): :return: True/False """ pass + + def start_collect(self): + """Start KPI collection. + + Traffic measurements are always collected during injection. + + Optional. + + :return: True/False + """ + pass + + def stop_collect(self): + """Stop KPI collection. + + Optional. + + :return: True/False + """ + pass diff --git a/yardstick/network_services/vnf_generic/vnf/sample_vnf.py b/yardstick/network_services/vnf_generic/vnf/sample_vnf.py index d8b9625fb..34b0260b4 100644 --- a/yardstick/network_services/vnf_generic/vnf/sample_vnf.py +++ b/yardstick/network_services/vnf_generic/vnf/sample_vnf.py @@ -59,6 +59,7 @@ class SetupEnvHelper(object): self.vnfd_helper = vnfd_helper self.ssh_helper = ssh_helper self.scenario_helper = scenario_helper + self.collectd_options = {} def build_config(self): raise NotImplementedError @@ -224,12 +225,6 @@ class DpdkVnfSetupEnvHelper(SetupEnvHelper): if exit_status == 0: return - def get_collectd_options(self): - options = self.scenario_helper.all_options.get("collectd", {}) - # override with specific node settings - options.update(self.scenario_helper.options.get("collectd", {})) - return options - def _setup_resources(self): # what is this magic? how do we know which socket is for which port? # what about quad-socket? @@ -242,11 +237,11 @@ class DpdkVnfSetupEnvHelper(SetupEnvHelper): # this won't work because we don't have DPDK port numbers yet ports = sorted(self.vnfd_helper.interfaces, key=self.vnfd_helper.port_num) port_names = (intf["name"] for intf in ports) - collectd_options = self.get_collectd_options() - plugins = collectd_options.get("plugins", {}) + plugins = self.collectd_options.get("plugins", {}) + interval = self.collectd_options.get("interval") # we must set timeout to be the same as the VNF otherwise KPIs will die before VNF return ResourceProfile(self.vnfd_helper.mgmt_interface, port_names=port_names, - plugins=plugins, interval=collectd_options.get("interval"), + plugins=plugins, interval=interval, timeout=self.scenario_helper.timeout) def _check_interface_fields(self): @@ -666,6 +661,7 @@ class SampleVNF(GenericVNF): pass def instantiate(self, scenario_cfg, context_cfg): + self._update_collectd_options(scenario_cfg, context_cfg) self.scenario_helper.scenario_cfg = scenario_cfg self.context_cfg = context_cfg self.nfvi_context = Context.get_context_from_server(self.scenario_helper.nodes[self.name]) @@ -677,6 +673,54 @@ class SampleVNF(GenericVNF): self.resource_helper.setup() self._start_vnf() + def _update_collectd_options(self, scenario_cfg, context_cfg): + """Update collectd configuration options + This function retrieves all collectd options contained in the test case + + definition builds a single dictionary combining them. The following fragment + represents a test case with the collectd options and priorities (1 highest, 3 lowest): + --- + schema: yardstick:task:0.1 + scenarios: + - type: NSPerf + nodes: + tg__0: trafficgen_1.yardstick + vnf__0: vnf.yardstick + options: + collectd: + <options> # COLLECTD priority 3 + vnf__0: + collectd: + plugins: + load + <options> # COLLECTD priority 2 + context: + type: Node + name: yardstick + nfvi_type: baremetal + file: /etc/yardstick/nodes/pod_ixia.yaml # COLLECTD priority 1 + """ + scenario_options = scenario_cfg.get('options', {}) + generic_options = scenario_options.get('collectd', {}) + scenario_node_options = scenario_options.get(self.name, {})\ + .get('collectd', {}) + context_node_options = context_cfg.get('nodes', {})\ + .get(self.name, {}).get('collectd', {}) + + options = generic_options + self._update_options(options, scenario_node_options) + self._update_options(options, context_node_options) + + self.setup_helper.collectd_options = options + + def _update_options(self, options, additional_options): + """Update collectd options and plugins dictionary""" + for k, v in additional_options.items(): + if isinstance(v, dict) and k in options: + options[k].update(v) + else: + options[k] = v + def wait_for_instantiate(self): buf = [] time.sleep(self.WAIT_TIME) # Give some time for config to load @@ -692,7 +736,6 @@ class SampleVNF(GenericVNF): LOG.info("%s VNF is up and running.", self.APP_NAME) self._vnf_up_post() self.queue_wrapper.clear() - self.resource_helper.start_collect() return self._vnf_process.exitcode if "PANIC" in message: @@ -705,6 +748,12 @@ class SampleVNF(GenericVNF): # by other VNF output self.q_in.put('\r\n') + def start_collect(self): + self.resource_helper.start_collect() + + def stop_collect(self): + self.resource_helper.stop_collect() + def _build_run_kwargs(self): self.run_kwargs = { 'stdin': self.queue_wrapper, diff --git a/yardstick/tests/unit/network_services/collector/test_subscriber.py b/yardstick/tests/unit/network_services/collector/test_subscriber.py index a344f5c85..14e26f7fe 100644 --- a/yardstick/tests/unit/network_services/collector/test_subscriber.py +++ b/yardstick/tests/unit/network_services/collector/test_subscriber.py @@ -17,6 +17,7 @@ import unittest import mock from yardstick.network_services.collector import subscriber +from yardstick import ssh class MockVnfAprrox(object): @@ -37,58 +38,41 @@ class MockVnfAprrox(object): class CollectorTestCase(unittest.TestCase): - NODES = { - 'node1': {}, - 'node2': { - 'ip': '1.2.3.4', - 'collectd': { - 'plugins': {'abc': 12, 'def': 34}, - 'interval': 987, - }, - }, - } - TRAFFIC_PROFILE = { - 'key1': 'value1', - } - def setUp(self): vnf = MockVnfAprrox() - self.ssh_patch = mock.patch('yardstick.network_services.nfvi.resource.ssh', autospec=True) + vnf.start_collect = mock.Mock() + vnf.stop_collect = mock.Mock() + self.ssh_patch = mock.patch.object(ssh, 'AutoConnectSSH') mock_ssh = self.ssh_patch.start() mock_instance = mock.Mock() mock_instance.execute.return_value = 0, '', '' - mock_ssh.AutoConnectSSH.from_node.return_value = mock_instance - self.collector = subscriber.Collector([vnf], self.NODES, self.TRAFFIC_PROFILE, 1800) + mock_ssh.from_node.return_value = mock_instance + self.collector = subscriber.Collector([vnf]) def tearDown(self): self.ssh_patch.stop() def test___init__(self, *_): vnf = MockVnfAprrox() - collector = subscriber.Collector([vnf], {}, {}) + collector = subscriber.Collector([vnf]) self.assertEqual(len(collector.vnfs), 1) - self.assertEqual(collector.traffic_profile, {}) - - def test___init___with_data(self, *_): - self.assertEqual(len(self.collector.vnfs), 1) - self.assertDictEqual(self.collector.traffic_profile, self.TRAFFIC_PROFILE) - self.assertEqual(len(self.collector.resource_profiles), 1) - - def test___init___negative(self, *_): - pass def test_start(self, *_): - with self.assertRaises(Exception): - self.collector.start() + self.assertIsNone(self.collector.start()) + for vnf in self.collector.vnfs: + vnf.start_collect.assert_called_once() def test_stop(self, *_): self.assertIsNone(self.collector.stop()) + for vnf in self.collector.vnfs: + vnf.stop_collect.assert_called_once() def test_get_kpi(self, *_): result = self.collector.get_kpi() + self.assertEqual(1, len(result)) + self.assertEqual(4, len(result["vnf__1"])) self.assertEqual(result["vnf__1"]["pkt_in_up_stream"], 100) self.assertEqual(result["vnf__1"]["pkt_drop_up_stream"], 5) self.assertEqual(result["vnf__1"]["pkt_in_down_stream"], 50) self.assertEqual(result["vnf__1"]["pkt_drop_down_stream"], 40) - self.assertIn('node2', result) |