diff options
Diffstat (limited to 'vnfs/DAaaS/lib/promql_api/prom_ql_api.py')
| -rw-r--r-- | vnfs/DAaaS/lib/promql_api/prom_ql_api.py | 66 |
1 files changed, 62 insertions, 4 deletions
diff --git a/vnfs/DAaaS/lib/promql_api/prom_ql_api.py b/vnfs/DAaaS/lib/promql_api/prom_ql_api.py index 8a5ce508..1dc578e9 100644 --- a/vnfs/DAaaS/lib/promql_api/prom_ql_api.py +++ b/vnfs/DAaaS/lib/promql_api/prom_ql_api.py @@ -23,7 +23,8 @@ import requests from requests.exceptions import HTTPError -API_VERSION = '/api/v1/query' +QUERY_API_VERSION = '/api/v1/query' +QUERY_RANGE_API_VERSION = '/api/v1/query_range' LIST_OF_ENV_VARIABLES = ["DATA_ENDPOINT"] MAP_ENV_VARIABLES = dict() LOG = logging.getLogger(__name__) @@ -34,7 +35,7 @@ def set_log_config(): datefmt='%m-%d-%Y %I:%M:%S%p', level=logging.DEBUG, filename='promql_api.log', - filemode='w') + filemode='a') LOG.info("Set the log configs.") @@ -45,7 +46,7 @@ def load_and_validate_env_vars(list_of_env_vars): LOG.info("Found env variable: {} ".format(env_var.upper())) MAP_ENV_VARIABLES[env_var.upper()] = environ.get(env_var) else: - #MAP_ENV_VARIABLES['DATA_ENDPOINT']='http://127.0.0.1:30090' # to be deleted + #MAP_ENV_VARIABLES['DATA_ENDPOINT']='http://127.0.0.1:9090' # to be deleted LOG.error("Env var: {} not found ! ".format(env_var.upper())) raise KeyError("Env variable: {} not found ! ".format(env_var.upper())) @@ -74,7 +75,7 @@ def query(QUERY_STRING): params_map = {} list_of_result_sets = [] list_of_substrings.append(MAP_ENV_VARIABLES['DATA_ENDPOINT']) - list_of_substrings.append(API_VERSION) + list_of_substrings.append(QUERY_API_VERSION) url = ''.join(list_of_substrings) for each_query_string in QUERY_STRING: @@ -111,3 +112,60 @@ def query(QUERY_STRING): LOG.info(each_result) list_of_result_sets.append(results) return list_of_result_sets + + +def validate_parameters(map_of_parameters): + for k,v in map_of_parameters.items(): + if k not in ['query', 'start', 'end', 'step', 'timeout']: + LOG.error('Parameter : \'{}\' not supported by query_range'.format(k)) + LOG.info('Valid parameters :: \'query\', \'start\', \'end\', \'step\', \'timeout\'') + raise Exception('Parameter : \'{}\' not supported by query_range. Check logs'.format(k)) + if not isinstance(k,str): + LOG.error(':: Key Paramter : \'{}\' NOT a string! Keys should be string ::'.format(k)) + raise Exception(':: Key Paramter : \'{}\' NOT a string! Keys should be string ::'.format(k)) + if not isinstance(v,str): + LOG.error(':: Value Paramter of key: \'{}\' NOT a string! Values should be string ::'.format(k)) + raise Exception(':: Value Paramter of key: \'{}\' NOT a string! Values should be string ::'.format(k)) + return True + + +def query_range(map_of_parameters): + list_of_result_sets = [] + set_log_config() + if validate_parameters(map_of_parameters): + LOG.info(':::Validation of map_of_parameters done::') + load_and_validate_env_vars(LIST_OF_ENV_VARIABLES) + LOG.info("Forming the query_range request ...") + + list_of_substrings = [] + list_of_substrings.append(MAP_ENV_VARIABLES['DATA_ENDPOINT']) + list_of_substrings.append(QUERY_RANGE_API_VERSION) + url = ''.join(list_of_substrings) + + try: + LOG.info('API request::: URL: {} '.format(url)) + LOG.info('API request::: params: {} '.format(map_of_parameters)) + response = requests.get(url, params=map_of_parameters) + response.raise_for_status() # This might raise HTTPError which is handled in except block + except HTTPError as http_err: + if response.json()['status'] == "error": + LOG.error("::::ERROR OCCURED::::") + LOG.error("::::ERROR TYPE:::: {}".format(response.json()['errorType'])) + LOG.error("::::ERROR:::: {}".format(response.json()['error'])) + print(f'Check logs..HTTP error occurred: {http_err}') + except Exception as err: + print(f'Check logs..Other error occurred: {err}') + else: + if response.json()['status'] == "error": + LOG.error("::::ERROR OCCURED!::::") + LOG.error("::::ERROR TYPE:::: {}".format(response.json()['errorType'])) + LOG.error("::::ERROR:::: {}".format(response.json()['error'])) + list_of_result_sets.append(response.json()['error']) + list_of_result_sets.append(dict({'error':response.json()['error'], + 'errorType' : response.json()['errorType']})) + else: + results = response.json()['data']['result'] + LOG.info('::::::::::RESULTS OF QUERY_RANGE::::::::::::: {}'.format(map_of_parameters)) + list_of_result_sets.append(results) + + return list_of_result_sets
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