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# Licensed to the StackStorm, Inc ('StackStorm') under one or more |
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# contributor license agreements. See the NOTICE file distributed with |
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# this work for additional information regarding copyright ownership. |
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# The ASF licenses this file to You under the Apache License, Version 2.0 |
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# (the "License"); you may not use this file except in compliance with |
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# the License. You may obtain a copy of the License at |
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# |
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# http://www.apache.org/licenses/LICENSE-2.0 |
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# |
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# Unless required by applicable law or agreed to in writing, software |
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# distributed under the License is distributed on an "AS IS" BASIS, |
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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# See the License for the specific language governing permissions and |
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# limitations under the License. |
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import os |
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import json |
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import logging |
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from functools import wraps |
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import six |
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from six.moves import urllib |
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from st2client.utils import httpclient |
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LOG = logging.getLogger(__name__) |
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def add_auth_token_to_kwargs_from_env(func): |
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@wraps(func) |
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def decorate(*args, **kwargs): |
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if not kwargs.get('token') and os.environ.get('ST2_AUTH_TOKEN', None): |
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kwargs['token'] = os.environ.get('ST2_AUTH_TOKEN') |
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if not kwargs.get('api_key') and os.environ.get('ST2_API_KEY', None): |
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kwargs['api_key'] = os.environ.get('ST2_API_KEY') |
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return func(*args, **kwargs) |
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return decorate |
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class Resource(object): |
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# An alias to use for the resource if different than the class name. |
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_alias = None |
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# Display name of the resource. This may be different than its resource |
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# name specifically when the resource name is composed of multiple words. |
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_display_name = None |
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# URL path for the resource. |
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_url_path = None |
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# Plural form of the resource name. This will be used to build the |
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# latter part of the REST URL. |
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_plural = None |
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# Plural form of the resource display name. |
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_plural_display_name = None |
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# A list of class attributes which will be included in __repr__ return value |
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_repr_attributes = [] |
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def __init__(self, *args, **kwargs): |
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for k, v in six.iteritems(kwargs): |
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setattr(self, k, v) |
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def to_dict(self, exclude_attributes=None): |
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""" |
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Return a dictionary representation of this object. |
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:param exclude_attributes: Optional list of attributes to exclude. |
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:type exclude_attributes: ``list`` |
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:rtype: ``dict`` |
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""" |
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exclude_attributes = exclude_attributes or [] |
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attributes = self.__dict__.keys() |
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attributes = [attr for attr in attributes if not attr.startswith('__') and |
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attr not in exclude_attributes] |
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result = {} |
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for attribute in attributes: |
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value = getattr(self, attribute, None) |
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result[attribute] = value |
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return result |
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@classmethod |
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def get_alias(cls): |
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return cls._alias if cls._alias else cls.__name__ |
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@classmethod |
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def get_display_name(cls): |
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return cls._display_name if cls._display_name else cls.__name__ |
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@classmethod |
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def get_plural_name(cls): |
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if not cls._plural: |
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raise Exception('The %s class is missing class attributes ' |
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'in its definition.' % cls.__name__) |
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return cls._plural |
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@classmethod |
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def get_plural_display_name(cls): |
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return (cls._plural_display_name |
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if cls._plural_display_name |
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else cls._plural) |
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@classmethod |
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def get_url_path_name(cls): |
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if cls._url_path: |
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return cls._url_path |
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return cls.get_plural_name().lower() |
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def serialize(self): |
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return dict((k, v) |
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for k, v in six.iteritems(self.__dict__) |
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if not k.startswith('_')) |
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@classmethod |
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def deserialize(cls, doc): |
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if type(doc) is not dict: |
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doc = json.loads(doc) |
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return cls(**doc) |
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def __str__(self): |
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return str(self.__repr__()) |
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def __repr__(self): |
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if not self._repr_attributes: |
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return super(Resource, self).__repr__() |
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attributes = [] |
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for attribute in self._repr_attributes: |
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value = getattr(self, attribute, None) |
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attributes.append('%s=%s' % (attribute, value)) |
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attributes = ','.join(attributes) |
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class_name = self.__class__.__name__ |
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result = '<%s %s>' % (class_name, attributes) |
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return result |
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class ResourceManager(object): |
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def __init__(self, resource, endpoint, cacert=None, debug=False): |
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self.resource = resource |
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self.debug = debug |
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self.client = httpclient.HTTPClient(endpoint, cacert=cacert, debug=debug) |
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@staticmethod |
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def handle_error(response): |
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try: |
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content = response.json() |
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fault = content.get('faultstring', '') if content else '' |
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if fault: |
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response.reason += '\nMESSAGE: %s' % fault |
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except Exception as e: |
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response.reason += ('\nUnable to retrieve detailed message ' |
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'from the HTTP response. %s\n' % str(e)) |
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response.raise_for_status() |
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@add_auth_token_to_kwargs_from_env |
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def get_all(self, **kwargs): |
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# TODO: This is ugly, stop abusing kwargs |
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url = '/%s' % self.resource.get_url_path_name() |
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limit = kwargs.pop('limit', None) |
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pack = kwargs.pop('pack', None) |
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prefix = kwargs.pop('prefix', None) |
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user = kwargs.pop('user', None) |
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params = kwargs.pop('params', {}) |
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if limit and limit <= 0: |
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limit = None |
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if limit: |
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params['limit'] = limit |
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if pack: |
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params['pack'] = pack |
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if prefix: |
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params['prefix'] = prefix |
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if user: |
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params['user'] = user |
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response = self.client.get(url=url, params=params, **kwargs) |
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if response.status_code != 200: |
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self.handle_error(response) |
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return [self.resource.deserialize(item) |
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for item in response.json()] |
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@add_auth_token_to_kwargs_from_env |
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def get_by_id(self, id, **kwargs): |
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url = '/%s/%s' % (self.resource.get_url_path_name(), id) |
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response = self.client.get(url, **kwargs) |
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if response.status_code == 404: |
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return None |
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if response.status_code != 200: |
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self.handle_error(response) |
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return self.resource.deserialize(response.json()) |
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@add_auth_token_to_kwargs_from_env |
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def get_property(self, id_, property_name, self_deserialize=True, **kwargs): |
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""" |
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Gets a property of a Resource. |
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id_ : Id of the resource |
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property_name: Name of the property |
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self_deserialize: #Implies use the deserialize method implemented by this resource. |
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""" |
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token = kwargs.pop('token', None) |
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api_key = kwargs.pop('api_key', None) |
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if kwargs: |
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url = '/%s/%s/%s/?%s' % (self.resource.get_url_path_name(), id_, property_name, |
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urllib.parse.urlencode(kwargs)) |
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else: |
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url = '/%s/%s/%s/' % (self.resource.get_url_path_name(), id_, property_name) |
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if token: |
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response = self.client.get(url, token=token) |
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elif api_key: |
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response = self.client.get(url, api_key=api_key) |
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else: |
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response = self.client.get(url) |
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if response.status_code == 404: |
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return None |
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if response.status_code != 200: |
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self.handle_error(response) |
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if self_deserialize: |
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return [self.resource.deserialize(item) for item in response.json()] |
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else: |
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return response.json() |
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@add_auth_token_to_kwargs_from_env |
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def get_by_ref_or_id(self, ref_or_id, **kwargs): |
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return self.get_by_id(id=ref_or_id, **kwargs) |
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@add_auth_token_to_kwargs_from_env |
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def query(self, **kwargs): |
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if not kwargs: |
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raise Exception('Query parameter is not provided.') |
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if 'limit' in kwargs and kwargs.get('limit') <= 0: |
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kwargs.pop('limit') |
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token = kwargs.get('token', None) |
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api_key = kwargs.get('api_key', None) |
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params = kwargs.get('params', {}) |
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for k, v in six.iteritems(kwargs): |
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# Note: That's a special case to support api_key and token kwargs |
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if k not in ['token', 'api_key']: |
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params[k] = v |
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url = '/%s/?%s' % (self.resource.get_url_path_name(), |
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urllib.parse.urlencode(params)) |
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if token: |
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response = self.client.get(url, token=token) |
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elif api_key: |
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response = self.client.get(url, api_key=api_key) |
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else: |
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response = self.client.get(url) |
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if response.status_code == 404: |
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return [] |
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if response.status_code != 200: |
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self.handle_error(response) |
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items = response.json() |
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instances = [self.resource.deserialize(item) for item in items] |
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return instances |
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@add_auth_token_to_kwargs_from_env |
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def get_by_name(self, name_or_id, **kwargs): |
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instances = self.query(name=name_or_id, **kwargs) |
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if not instances: |
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return None |
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else: |
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if len(instances) > 1: |
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raise Exception('More than one %s named "%s" are found.' % |
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(self.resource.__name__.lower(), name_or_id)) |
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return instances[0] |
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@add_auth_token_to_kwargs_from_env |
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def create(self, instance, **kwargs): |
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url = '/%s' % self.resource.get_url_path_name() |
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response = self.client.post(url, instance.serialize(), **kwargs) |
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if response.status_code != 200: |
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self.handle_error(response) |
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instance = self.resource.deserialize(response.json()) |
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return instance |
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@add_auth_token_to_kwargs_from_env |
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def update(self, instance, **kwargs): |
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url = '/%s/%s' % (self.resource.get_url_path_name(), instance.id) |
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response = self.client.put(url, instance.serialize(), **kwargs) |
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if response.status_code != 200: |
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self.handle_error(response) |
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instance = self.resource.deserialize(response.json()) |
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return instance |
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@add_auth_token_to_kwargs_from_env |
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def delete(self, instance, **kwargs): |
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url = '/%s/%s' % (self.resource.get_url_path_name(), instance.id) |
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response = self.client.delete(url, **kwargs) |
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if response.status_code not in [200, 204, 404]: |
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self.handle_error(response) |
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return False |
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return True |
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@add_auth_token_to_kwargs_from_env |
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def delete_by_id(self, instance_id, **kwargs): |
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url = '/%s/%s' % (self.resource.get_url_path_name(), instance_id) |
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response = self.client.delete(url, **kwargs) |
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if response.status_code not in [200, 204, 404]: |
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self.handle_error(response) |
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return False |
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try: |
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resp_json = response.json() |
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if resp_json: |
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return resp_json |
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except: |
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pass |
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return True |
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class ActionAliasResourceManager(ResourceManager): |
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def __init__(self, resource, endpoint, cacert=None, debug=False): |
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self.resource = resource |
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self.debug = debug |
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self.client = httpclient.HTTPClient(root=endpoint, cacert=cacert, debug=debug) |
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class LiveActionResourceManager(ResourceManager): |
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@add_auth_token_to_kwargs_from_env |
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def re_run(self, execution_id, parameters=None, tasks=None, no_reset=None, **kwargs): |
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url = '/%s/%s/re_run' % (self.resource.get_url_path_name(), execution_id) |
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tasks = tasks or [] |
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no_reset = no_reset or [] |
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if list(set(no_reset) - set(tasks)): |
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raise ValueError('List of tasks to reset does not match the tasks to rerun.') |
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data = { |
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'parameters': parameters, |
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'tasks': tasks, |
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'reset': list(set(tasks) - set(no_reset)) |
356
|
|
|
} |
357
|
|
|
|
358
|
|
|
response = self.client.post(url, data, **kwargs) |
359
|
|
|
if response.status_code != 200: |
360
|
|
|
self.handle_error(response) |
361
|
|
|
|
362
|
|
|
instance = self.resource.deserialize(response.json()) |
363
|
|
|
return instance |
364
|
|
|
|
365
|
|
|
|
366
|
|
|
class TriggerInstanceResourceManager(ResourceManager): |
367
|
|
|
@add_auth_token_to_kwargs_from_env |
368
|
|
|
def re_emit(self, trigger_instance_id, **kwargs): |
369
|
|
|
url = '/%s/%s/re_emit' % (self.resource.get_url_path_name(), trigger_instance_id) |
370
|
|
|
response = self.client.post(url, None) |
371
|
|
|
if response.status_code != 200: |
372
|
|
|
self.handle_error(response) |
373
|
|
|
return response.json() |
374
|
|
|
|
375
|
|
|
class PackResourceManager(ResourceManager): |
376
|
|
|
@add_auth_token_to_kwargs_from_env |
377
|
|
|
def install(self, name, **kwargs): |
378
|
|
|
url = '/%s/install' % (self.resource.get_url_path_name()) |
379
|
|
|
response = self.client.post(url, {'name': name}) |
380
|
|
|
if response.status_code != 200: |
381
|
|
|
self.handle_error(response) |
382
|
|
|
return response.json() |
383
|
|
|
|
384
|
|
|
@add_auth_token_to_kwargs_from_env |
385
|
|
|
def remove(self, name, **kwargs): |
386
|
|
|
url = '/%s/%s/uninstall' % (self.resource.get_url_path_name(), name) |
387
|
|
|
response = self.client.post(url, None) |
388
|
|
|
if response.status_code != 200: |
389
|
|
|
self.handle_error(response) |
390
|
|
|
return response.json() |
391
|
|
|
|
392
|
|
|
@add_auth_token_to_kwargs_from_env |
393
|
|
|
def create(self, name, **kwargs): |
394
|
|
|
url = '/%s/init' % (self.resource.get_url_path_name()) |
395
|
|
|
response = self.client.post(url, {'name': name}) |
396
|
|
|
if response.status_code != 200: |
397
|
|
|
self.handle_error(response) |
398
|
|
|
return response.json() |
399
|
|
|
|
400
|
|
|
@add_auth_token_to_kwargs_from_env |
401
|
|
|
def search(self, query, **kwargs): |
402
|
|
|
url = '/%s/search' % (self.resource.get_url_path_name()) |
403
|
|
|
response = self.client.post(url, {'query': query}) |
404
|
|
|
if response.status_code != 200: |
405
|
|
|
self.handle_error(response) |
406
|
|
|
return response.json() |
407
|
|
|
|
408
|
|
|
@add_auth_token_to_kwargs_from_env |
409
|
|
|
def register(self, name, **kwargs): |
410
|
|
|
url = '/%s/register' % (self.resource.get_url_path_name()) |
411
|
|
|
response = self.client.post(url, {'name': name}) |
412
|
|
|
if response.status_code != 200: |
413
|
|
|
self.handle_error(response) |
414
|
|
|
return response.json() |
415
|
|
|
|
It is generally discouraged to redefine built-ins as this makes code very hard to read.