134 lines
4.2 KiB
Python
134 lines
4.2 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2010-2011 OpenStack, LLC
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# 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, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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"""
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Client classes for callers of a heat system
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"""
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import errno
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import httplib
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import json
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import logging
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import os
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import socket
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import sys
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import heat.api.v1
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from heat.common import client as base_client
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from heat.common import exception
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from heat.common import utils
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logger = logging.getLogger(__name__)
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SUPPORTED_PARAMS = heat.api.v1.SUPPORTED_PARAMS
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class V1Client(base_client.BaseClient):
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"""Main client class for accessing heat resources"""
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DEFAULT_PORT = 8000
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DEFAULT_DOC_ROOT = "/v1"
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def _insert_common_parameters(self, params):
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params['Version'] = '2010-05-15'
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params['SignatureVersion'] = '2'
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params['SignatureMethod'] = 'HmacSHA256'
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def list_stacks(self, **kwargs):
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params = self._extract_params({}, SUPPORTED_PARAMS)
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self._insert_common_parameters(params)
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res = self.do_request("GET", "/ListStacks", params=params)
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data = json.loads(res.read())
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return data
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def show_stack(self, **kwargs):
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params = self._extract_params(kwargs, SUPPORTED_PARAMS)
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self._insert_common_parameters(params)
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res = self.do_request("GET", "/DescribeStacks", params=params)
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data = json.loads(res.read())
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return data
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def create_stack(self, **kwargs):
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params = self._extract_params(kwargs, SUPPORTED_PARAMS)
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self._insert_common_parameters(params)
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res = self.do_request("POST", "/CreateStack", params=params)
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data = json.loads(res.read())
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return data
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def update_stack(self, **kwargs):
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return
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def delete_stack(self, **kwargs):
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self._insert_common_parameters(params)
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params = self._extract_params(kwargs, SUPPORTED_PARAMS)
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self.do_request("DELETE", "/DeleteStack", params)
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return True
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Client = V1Client
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def get_client(host, port=None, username=None,
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password=None, tenant=None,
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auth_url=None, auth_strategy=None,
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auth_token=None, region=None,
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is_silent_upload=False, insecure=False):
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"""
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Returns a new client heat client object based on common kwargs.
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If an option isn't specified falls back to common environment variable
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defaults.
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"""
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if auth_url or os.getenv('OS_AUTH_URL'):
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force_strategy = 'keystone'
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else:
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force_strategy = None
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creds = dict(username=username or
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os.getenv('OS_AUTH_USER', os.getenv('OS_USERNAME')),
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password=password or
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os.getenv('OS_AUTH_KEY', os.getenv('OS_PASSWORD')),
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tenant=tenant or
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os.getenv('OS_AUTH_TENANT',
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os.getenv('OS_TENANT_NAME')),
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auth_url=auth_url or os.getenv('OS_AUTH_URL'),
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strategy=force_strategy or auth_strategy or
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os.getenv('OS_AUTH_STRATEGY', 'noauth'),
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region=region or os.getenv('OS_REGION_NAME'),
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)
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if creds['strategy'] == 'keystone' and not creds['auth_url']:
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msg = ("--auth_url option or OS_AUTH_URL environment variable "
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"required when keystone authentication strategy is enabled\n")
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raise exception.ClientConfigurationError(msg)
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use_ssl = (creds['auth_url'] is not None and
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creds['auth_url'].find('https') != -1)
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client = Client
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return client(host=host,
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port=port,
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use_ssl=use_ssl,
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auth_tok=auth_token or
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os.getenv('OS_TOKEN'),
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creds=creds,
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insecure=insecure)
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