| #!/usr/bin/env/python |
| # |
| # Licensed to the Apache Software Foundation (ASF) under one |
| # or more contributor license agreements. See the NOTICE file |
| # distributed with this work for additional information |
| # regarding copyright ownership. The ASF licenses this file |
| # to you 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 json |
| import logging |
| from urllib.parse import urljoin |
| |
| from apache_atlas.client.admin import AdminClient |
| from apache_atlas.client.discovery import DiscoveryClient |
| from apache_atlas.client.entity import EntityClient |
| from apache_atlas.client.glossary import GlossaryClient |
| from apache_atlas.client.lineage import LineageClient |
| from apache_atlas.client.relationship import RelationshipClient |
| from apache_atlas.client.typedef import TypeDefClient |
| from apache_atlas.exceptions import AtlasServiceException |
| from apache_atlas.utils import HTTPStatus, type_coerce |
| from requests import Session |
| |
| log = logging.getLogger('apache_atlas') |
| |
| |
| class AtlasClient: |
| def __init__(self, host, auth): |
| session = Session() |
| session.auth = auth |
| |
| self.host = host.rstrip('/') |
| self.session = session |
| self.request_params = {'headers': {}} |
| self.typedef = TypeDefClient(self) |
| self.entity = EntityClient(self) |
| self.lineage = LineageClient(self) |
| self.discovery = DiscoveryClient(self) |
| self.glossary = GlossaryClient(self) |
| self.relationship = RelationshipClient(self) |
| self.admin = AdminClient(self) |
| |
| logging.getLogger("requests").setLevel(logging.WARNING) |
| |
| def call_api(self, api, response_type=None, query_params=None, request_obj=None): |
| params = copy.deepcopy(self.request_params) |
| path = urljoin(self.host, api.path.lstrip('/')) |
| |
| params['headers']['Accept'] = api.consumes |
| params['headers']['Content-type'] = api.produces |
| |
| if query_params is not None: |
| params['params'] = query_params |
| |
| if request_obj is not None: |
| params['data'] = json.dumps(request_obj) |
| |
| log.debug("------------------------------------------------------") |
| log.debug("Call : %s %s", api.method, path) |
| log.debug("Content-type : %s", api.consumes) |
| log.debug("Accept : %s", api.produces) |
| |
| response = self.session.request(api.method.value, path, **params) |
| |
| if response is None: |
| return None |
| |
| log.debug("HTTP Status: %s", response.status_code) |
| |
| if response.status_code == api.expected_status: |
| if response_type is None: |
| return None |
| |
| if response.content is None: |
| return None |
| |
| try: |
| log.debug("<== __call_api(%s,%s,%s), result = %s", vars(api), params, request_obj, response) |
| |
| log.debug(response.json()) |
| |
| if response_type == str: |
| return json.dumps(response.json()) |
| |
| return type_coerce(response.json(), response_type) |
| except Exception as e: |
| log.exception("Exception occurred while parsing response") |
| |
| raise AtlasServiceException(api, response) from e |
| elif response.status_code == HTTPStatus.SERVICE_UNAVAILABLE: |
| log.error("Atlas Service unavailable. HTTP Status: %s", HTTPStatus.SERVICE_UNAVAILABLE) |
| |
| raise AtlasServiceException(api, response) |