diff options
author | 2017-08-08 11:33:56 +0200 | |
---|---|---|
committer | 2017-08-09 10:02:58 +0200 | |
commit | babd8e011681084c055dd2e131faf1f5f4d9a646 (patch) | |
tree | 80da430ad9fc0187da864e3ab2d4b32e04837e9f /functest | |
parent | 8ab6ac807fa5aff4ead7fdad9b76f27ae7203048 (diff) |
Improved error handling when Energy recorder API is unavailable.
Log verbosity is reduced when API is discovered unavailable.
Avoid next calls to API if unavailable at config loading.
Change-Id: I68d169396335ae3891e4b808062058945fc2eca1
Signed-off-by: Benoit HERARD <benoit.herard@orange.com>
Diffstat (limited to 'functest')
-rw-r--r-- | functest/energy/energy.py | 218 | ||||
-rw-r--r-- | functest/tests/unit/energy/test_functest_energy.py | 74 |
2 files changed, 183 insertions, 109 deletions
diff --git a/functest/energy/energy.py b/functest/energy/energy.py index 372c1d32f..580bc6b09 100644 --- a/functest/energy/energy.py +++ b/functest/energy/energy.py @@ -55,9 +55,10 @@ def enable_recording(method): try: return_value = method(*args) finish_session(current_scenario) - except Exception: # pylint: disable=broad-except + except Exception as exc: # pylint: disable=broad-except + EnergyRecorder.logger.exception(exc) finish_session(current_scenario) - raise + raise exc return return_value return wrapper @@ -74,6 +75,9 @@ class EnergyRecorder(object): # Default initial step INITIAL_STEP = "running" + # Default connection timeout + CONNECTION_TIMOUT = 1 + @staticmethod def load_config(): """ @@ -94,10 +98,10 @@ class EnergyRecorder(object): assert energy_recorder_uri assert environment - energy_recorder_uri += "/recorders/environment/" - energy_recorder_uri += urllib.quote_plus(environment) + uri_comp = "/recorders/environment/" + uri_comp += urllib.quote_plus(environment) EnergyRecorder.logger.debug( - "API recorder at: " + energy_recorder_uri) + "API recorder at: " + energy_recorder_uri + uri_comp) # Creds user = ft_utils.get_functest_config( @@ -110,11 +114,25 @@ class EnergyRecorder(object): else: energy_recorder_api_auth = None + try: + resp = requests.get(energy_recorder_uri + "/monitoring/ping", + auth=energy_recorder_api_auth, + headers={ + 'content-type': 'application/json' + }, + timeout=EnergyRecorder.CONNECTION_TIMOUT) + api_available = json.loads(resp.text)["status"] == "OK" + except Exception: # pylint: disable=broad-except + EnergyRecorder.logger.error( + "Energy recorder API is not available") + api_available = False # Final config EnergyRecorder.energy_recorder_api = { - "uri": energy_recorder_uri, - "auth": energy_recorder_api_auth + "uri": energy_recorder_uri + uri_comp, + "auth": energy_recorder_api_auth, + "available": api_available } + return EnergyRecorder.energy_recorder_api["available"] @staticmethod def submit_scenario(scenario, step): @@ -126,31 +144,36 @@ class EnergyRecorder(object): param step: Step name :type step: string """ - return_status = True try: - EnergyRecorder.logger.debug("Submitting scenario") + return_status = True # Ensure that connectyvity settings are loaded - EnergyRecorder.load_config() + if EnergyRecorder.load_config(): + EnergyRecorder.logger.debug("Submitting scenario") - # Create API payload - payload = { - "step": step, - "scenario": scenario - } - # Call API to start energy recording - response = requests.post( - EnergyRecorder.energy_recorder_api["uri"], - data=json.dumps(payload), - auth=EnergyRecorder.energy_recorder_api["auth"], - headers={ - 'content-type': 'application/json' + # Create API payload + payload = { + "step": step, + "scenario": scenario } - ) - if response.status_code != 200: - log_msg = "Error while submitting scenario\n{}" - log_msg = log_msg.format(response.text) - EnergyRecorder.logger.info(log_msg) - return_status = False + # Call API to start energy recording + response = requests.post( + EnergyRecorder.energy_recorder_api["uri"], + data=json.dumps(payload), + auth=EnergyRecorder.energy_recorder_api["auth"], + headers={ + 'content-type': 'application/json' + }, + timeout=EnergyRecorder.CONNECTION_TIMOUT + ) + if response.status_code != 200: + EnergyRecorder.logger.error( + "Error while submitting scenario\n%s", + response.text) + return_status = False + except requests.exceptions.ConnectionError: + EnergyRecorder.logger.warning( + "submit_scenario: Unable to connect energy recorder API") + return_status = False except Exception: # pylint: disable=broad-except # Default exception handler to ensure that method # is safe for caller @@ -170,11 +193,12 @@ class EnergyRecorder(object): """ return_status = True try: - EnergyRecorder.logger.debug("Starting recording") - return_status = EnergyRecorder.submit_scenario( - scenario, - EnergyRecorder.INITIAL_STEP - ) + if EnergyRecorder.load_config(): + EnergyRecorder.logger.debug("Starting recording") + return_status = EnergyRecorder.submit_scenario( + scenario, + EnergyRecorder.INITIAL_STEP + ) except Exception: # pylint: disable=broad-except # Default exception handler to ensure that method @@ -188,25 +212,30 @@ class EnergyRecorder(object): @staticmethod def stop(): """Stop current recording session.""" - EnergyRecorder.logger.debug("Stopping recording") return_status = True try: # Ensure that connectyvity settings are loaded - EnergyRecorder.load_config() - - # Call API to stop energy recording - response = requests.delete( - EnergyRecorder.energy_recorder_api["uri"], - auth=EnergyRecorder.energy_recorder_api["auth"], - headers={ - 'content-type': 'application/json' - } - ) - if response.status_code != 200: - log_msg = "Error while stating energy recording session\n{}" - log_msg = log_msg.format(response.text) - EnergyRecorder.logger.error(log_msg) - return_status = False + if EnergyRecorder.load_config(): + EnergyRecorder.logger.debug("Stopping recording") + + # Call API to stop energy recording + response = requests.delete( + EnergyRecorder.energy_recorder_api["uri"], + auth=EnergyRecorder.energy_recorder_api["auth"], + headers={ + 'content-type': 'application/json' + }, + timeout=EnergyRecorder.CONNECTION_TIMOUT + ) + if response.status_code != 200: + EnergyRecorder.logger.error( + "Error while stating energy recording session\n%s", + response.text) + return_status = False + except requests.exceptions.ConnectionError: + EnergyRecorder.logger.warning( + "stop: Unable to connect energy recorder API") + return_status = False except Exception: # pylint: disable=broad-except # Default exception handler to ensure that method # is safe for caller @@ -219,31 +248,36 @@ class EnergyRecorder(object): @staticmethod def set_step(step): """Notify energy recording service of current step of the testcase.""" - EnergyRecorder.logger.debug("Setting step") return_status = True try: # Ensure that connectyvity settings are loaded - EnergyRecorder.load_config() + if EnergyRecorder.load_config(): + EnergyRecorder.logger.debug("Setting step") - # Create API payload - payload = { - "step": step, - } - - # Call API to define step - response = requests.post( - EnergyRecorder.energy_recorder_api["uri"] + "/step", - data=json.dumps(payload), - auth=EnergyRecorder.energy_recorder_api["auth"], - headers={ - 'content-type': 'application/json' + # Create API payload + payload = { + "step": step, } - ) - if response.status_code != 200: - log_msg = "Error while setting current step of testcase\n{}" - log_msg = log_msg.format(response.text) - EnergyRecorder.logger.error(log_msg) - return_status = False + + # Call API to define step + response = requests.post( + EnergyRecorder.energy_recorder_api["uri"] + "/step", + data=json.dumps(payload), + auth=EnergyRecorder.energy_recorder_api["auth"], + headers={ + 'content-type': 'application/json' + }, + timeout=EnergyRecorder.CONNECTION_TIMOUT + ) + if response.status_code != 200: + EnergyRecorder.logger.error( + "Error while setting current step of testcase\n%s", + response.text) + return_status = False + except requests.exceptions.ConnectionError: + EnergyRecorder.logger.warning( + "set_step: Unable to connect energy recorder API") + return_status = False except Exception: # pylint: disable=broad-except # Default exception handler to ensure that method # is safe for caller @@ -256,30 +290,34 @@ class EnergyRecorder(object): @staticmethod def get_current_scenario(): """Get current running scenario (if any, None else).""" - EnergyRecorder.logger.debug("Getting current scenario") return_value = None try: # Ensure that connectyvity settings are loaded - EnergyRecorder.load_config() - - # Call API get running scenario - response = requests.get( - EnergyRecorder.energy_recorder_api["uri"], - auth=EnergyRecorder.energy_recorder_api["auth"] - ) - if response.status_code == 200: - return_value = json.loads(response.text) - elif response.status_code == 404: - log_msg = "No current running scenario at {}" - log_msg = log_msg.format( - EnergyRecorder.energy_recorder_api["uri"]) - EnergyRecorder.logger.error(log_msg) - return_value = None - else: - log_msg = "Error while getting current scenario\n{}" - log_msg = log_msg.format(response.text) - EnergyRecorder.logger.error(log_msg) - return_value = None + if EnergyRecorder.load_config(): + EnergyRecorder.logger.debug("Getting current scenario") + + # Call API get running scenario + response = requests.get( + EnergyRecorder.energy_recorder_api["uri"], + auth=EnergyRecorder.energy_recorder_api["auth"], + timeout=EnergyRecorder.CONNECTION_TIMOUT + ) + if response.status_code == 200: + return_value = json.loads(response.text) + elif response.status_code == 404: + EnergyRecorder.logger.info( + "No current running scenario at %s", + EnergyRecorder.energy_recorder_api["uri"]) + return_value = None + else: + EnergyRecorder.logger.error( + "Error while getting current scenario\n%s", + response.text) + return_value = None + except requests.exceptions.ConnectionError: + EnergyRecorder.logger.warning( + "get_currernt_sceario: Unable to connect energy recorder API") + return_value = None except Exception: # pylint: disable=broad-except # Default exception handler to ensure that method # is safe for caller diff --git a/functest/tests/unit/energy/test_functest_energy.py b/functest/tests/unit/energy/test_functest_energy.py index f8bb13c99..a576e2c3f 100644 --- a/functest/tests/unit/energy/test_functest_energy.py +++ b/functest/tests/unit/energy/test_functest_energy.py @@ -35,6 +35,15 @@ class MockHttpResponse(object): # pylint: disable=too-few-public-methods self.status_code = status_code +API_OK = MockHttpResponse( + '{"status": "OK"}', + 200 +) +API_KO = MockHttpResponse( + '{"message": "API-KO"}', + 500 +) + RECORDER_OK = MockHttpResponse( '{"environment": "UNIT_TEST",' ' "step": "string",' @@ -81,7 +90,7 @@ class EnergyRecorderTest(unittest.TestCase): @mock.patch('functest.energy.energy.requests.post', return_value=RECORDER_OK) - def test_start(self, post_mock=None): + def test_start(self, post_mock=None, get_mock=None): """EnergyRecorder.start method (regular case).""" self.test_load_config() self.assertTrue(EnergyRecorder.start(self.case_name)) @@ -89,7 +98,8 @@ class EnergyRecorderTest(unittest.TestCase): EnergyRecorder.energy_recorder_api["uri"], auth=EnergyRecorder.energy_recorder_api["auth"], data=mock.ANY, - headers=self.request_headers + headers=self.request_headers, + timeout=EnergyRecorder.CONNECTION_TIMOUT ) @mock.patch('functest.energy.energy.requests.post', @@ -102,7 +112,8 @@ class EnergyRecorderTest(unittest.TestCase): EnergyRecorder.energy_recorder_api["uri"], auth=EnergyRecorder.energy_recorder_api["auth"], data=mock.ANY, - headers=self.request_headers + headers=self.request_headers, + timeout=EnergyRecorder.CONNECTION_TIMOUT ) @mock.patch('functest.energy.energy.requests.post', @@ -115,7 +126,8 @@ class EnergyRecorderTest(unittest.TestCase): EnergyRecorder.energy_recorder_api["uri"], auth=EnergyRecorder.energy_recorder_api["auth"], data=mock.ANY, - headers=self.request_headers + headers=self.request_headers, + timeout=EnergyRecorder.CONNECTION_TIMOUT ) @mock.patch('functest.energy.energy.requests.post', @@ -128,7 +140,8 @@ class EnergyRecorderTest(unittest.TestCase): EnergyRecorder.energy_recorder_api["uri"] + "/step", auth=EnergyRecorder.energy_recorder_api["auth"], data=mock.ANY, - headers=self.request_headers + headers=self.request_headers, + timeout=EnergyRecorder.CONNECTION_TIMOUT ) @mock.patch('functest.energy.energy.requests.post', @@ -141,7 +154,8 @@ class EnergyRecorderTest(unittest.TestCase): EnergyRecorder.energy_recorder_api["uri"] + "/step", auth=EnergyRecorder.energy_recorder_api["auth"], data=mock.ANY, - headers=self.request_headers + headers=self.request_headers, + timeout=EnergyRecorder.CONNECTION_TIMOUT ) @mock.patch('functest.energy.energy.requests.post', @@ -154,7 +168,8 @@ class EnergyRecorderTest(unittest.TestCase): EnergyRecorder.energy_recorder_api["uri"] + "/step", auth=EnergyRecorder.energy_recorder_api["auth"], data=mock.ANY, - headers=self.request_headers + headers=self.request_headers, + timeout=EnergyRecorder.CONNECTION_TIMOUT ) @mock.patch('functest.energy.energy.requests.delete', @@ -166,7 +181,8 @@ class EnergyRecorderTest(unittest.TestCase): delete_mock.assert_called_once_with( EnergyRecorder.energy_recorder_api["uri"], auth=EnergyRecorder.energy_recorder_api["auth"], - headers=self.request_headers + headers=self.request_headers, + timeout=EnergyRecorder.CONNECTION_TIMOUT ) @mock.patch('functest.energy.energy.requests.delete', @@ -178,7 +194,8 @@ class EnergyRecorderTest(unittest.TestCase): delete_mock.assert_called_once_with( EnergyRecorder.energy_recorder_api["uri"], auth=EnergyRecorder.energy_recorder_api["auth"], - headers=self.request_headers + headers=self.request_headers, + timeout=EnergyRecorder.CONNECTION_TIMOUT ) @mock.patch('functest.energy.energy.requests.delete', @@ -190,7 +207,8 @@ class EnergyRecorderTest(unittest.TestCase): delete_mock.assert_called_once_with( EnergyRecorder.energy_recorder_api["uri"], auth=EnergyRecorder.energy_recorder_api["auth"], - headers=self.request_headers + headers=self.request_headers, + timeout=EnergyRecorder.CONNECTION_TIMOUT ) @energy.enable_recording @@ -206,13 +224,7 @@ class EnergyRecorderTest(unittest.TestCase): @mock.patch("functest.energy.energy.EnergyRecorder.get_current_scenario", return_value=None) @mock.patch("functest.energy.energy.EnergyRecorder") - @mock.patch("functest.utils.functest_utils.get_pod_name", - return_value="MOCK_POD") - @mock.patch("functest.utils.functest_utils.get_functest_config", - side_effect=config_loader_mock) def test_decorators(self, - loader_mock=None, - pod_mock=None, recorder_mock=None, cur_scenario_mock=None): """Test energy module decorators.""" @@ -264,10 +276,14 @@ class EnergyRecorderTest(unittest.TestCase): side_effect=config_loader_mock) @mock.patch("functest.utils.functest_utils.get_pod_name", return_value="MOCK_POD") - def test_load_config(self, loader_mock=None, pod_mock=None): + @mock.patch("functest.energy.energy.requests.get", + return_value=API_OK) + def test_load_config(self, loader_mock=None, pod_mock=None, + get_mock=None): """Test load config.""" EnergyRecorder.energy_recorder_api = None EnergyRecorder.load_config() + self.assertEquals( EnergyRecorder.energy_recorder_api["auth"], ("user", "password") @@ -281,7 +297,10 @@ class EnergyRecorderTest(unittest.TestCase): side_effect=config_loader_mock_no_creds) @mock.patch("functest.utils.functest_utils.get_pod_name", return_value="MOCK_POD") - def test_load_config_no_creds(self, loader_mock=None, pod_mock=None): + @mock.patch("functest.energy.energy.requests.get", + return_value=API_OK) + def test_load_config_no_creds(self, loader_mock=None, pod_mock=None, + get_mock=None): """Test load config without creds.""" EnergyRecorder.energy_recorder_api = None EnergyRecorder.load_config() @@ -295,7 +314,10 @@ class EnergyRecorderTest(unittest.TestCase): return_value=None) @mock.patch("functest.utils.functest_utils.get_pod_name", return_value="MOCK_POD") - def test_load_config_ex(self, loader_mock=None, pod_mock=None): + @mock.patch("functest.energy.energy.requests.get", + return_value=API_OK) + def test_load_config_ex(self, loader_mock=None, pod_mock=None, + get_mock=None): """Test load config with exception.""" with self.assertRaises(AssertionError): EnergyRecorder.energy_recorder_api = None @@ -303,6 +325,20 @@ class EnergyRecorderTest(unittest.TestCase): self.assertEquals(EnergyRecorder.energy_recorder_api, None) @mock.patch("functest.utils.functest_utils.get_functest_config", + side_effect=config_loader_mock) + @mock.patch("functest.utils.functest_utils.get_pod_name", + return_value="MOCK_POD") + @mock.patch("functest.energy.energy.requests.get", + return_value=API_KO) + def test_load_config_api_ko(self, loader_mock=None, pod_mock=None, + get_mock=None): + """Test load config with API unavailable.""" + EnergyRecorder.energy_recorder_api = None + EnergyRecorder.load_config() + self.assertEquals(EnergyRecorder.energy_recorder_api["available"], + False) + + @mock.patch("functest.utils.functest_utils.get_functest_config", return_value=None) @mock.patch("functest.utils.functest_utils.get_pod_name", return_value="MOCK_POD") |