152 lines
5.0 KiB
Python
152 lines
5.0 KiB
Python
# Licensed to the Apache Software Foundation (ASF) 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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"""
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Cloudwatt driver.
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"""
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try:
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import simplejson as json
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except ImportError:
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import json
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from libcloud.utils.py3 import httplib
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from libcloud.compute.types import Provider
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from libcloud.compute.drivers.openstack import OpenStack_1_1_Connection
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from libcloud.compute.drivers.openstack import OpenStack_1_1_NodeDriver
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from libcloud.common.openstack_identity import OpenStackIdentityConnection
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from libcloud.utils.iso8601 import parse_date
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from libcloud.compute.types import InvalidCredsError, MalformedResponseError
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__all__ = [
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'CloudwattNodeDriver'
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]
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BASE_URL = 'https://identity.fr1.cloudwatt.com/v2.0'
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AUTH_URL = BASE_URL + '/tokens'
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class CloudwattAuthConnection(OpenStackIdentityConnection):
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"""
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AuthConnection class for the Cloudwatt driver.
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"""
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name = 'Cloudwatt Auth'
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def __init__(self, *args, **kwargs):
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self._ex_tenant_id = kwargs.pop('ex_tenant_id')
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super(CloudwattAuthConnection, self).__init__(*args, **kwargs)
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def authenticate(self, force=False):
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reqbody = json.dumps({'auth': {
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'passwordCredentials': {
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'username': self.user_id,
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'password': self.key
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},
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'tenantId': self._ex_tenant_id
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}})
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resp = self.request('/tokens', data=reqbody, headers={},
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method='POST')
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if resp.status == httplib.UNAUTHORIZED:
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# HTTP UNAUTHORIZED (401): auth failed
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raise InvalidCredsError()
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elif resp.status != httplib.OK:
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body = 'code: %s body:%s' % (resp.status, resp.body)
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raise MalformedResponseError('Malformed response', body=body,
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driver=self.driver)
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else:
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try:
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body = json.loads(resp.body)
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except Exception as e:
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raise MalformedResponseError('Failed to parse JSON', e)
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try:
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expires = body['access']['token']['expires']
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self.auth_token = body['access']['token']['id']
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self.auth_token_expires = parse_date(expires)
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self.urls = body['access']['serviceCatalog']
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self.auth_user_info = None
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except KeyError as e:
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raise MalformedResponseError('Auth JSON response is \
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missing required elements', e)
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return self
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class CloudwattConnection(OpenStack_1_1_Connection):
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"""
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Connection class for the Cloudwatt driver.
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"""
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auth_url = BASE_URL
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service_region = 'fr1'
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service_type = 'compute'
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def __init__(self, *args, **kwargs):
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self.ex_tenant_id = kwargs.pop('ex_tenant_id')
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super(CloudwattConnection, self).__init__(*args, **kwargs)
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osa = CloudwattAuthConnection(
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auth_url=AUTH_URL,
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user_id=self.user_id,
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key=self.key,
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tenant_name=self._ex_tenant_name,
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timeout=self.timeout,
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ex_tenant_id=self.ex_tenant_id,
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parent_conn=self
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)
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self._osa = osa
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self._auth_version = '2.0'
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class CloudwattNodeDriver(OpenStack_1_1_NodeDriver):
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"""
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Implements the :class:`NodeDriver`'s for Cloudwatt.
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"""
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name = 'Cloudwatt'
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website = 'https://www.cloudwatt.com/'
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connectionCls = CloudwattConnection
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type = Provider.CLOUDWATT
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def __init__(self, key, secret, tenant_id, secure=True, tenant_name=None,
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host=None, port=None, **kwargs):
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"""
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@inherits: :class:`NodeDriver.__init__`
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:param tenant_id: ID of tenant required for Cloudwatt auth
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:type tenant_id: ``str``
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"""
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self.ex_tenant_id = tenant_id
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self.extra = {}
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super(CloudwattNodeDriver, self).__init__(
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key=key,
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secret=secret,
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secure=secure,
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host=host,
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port=port,
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**kwargs
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)
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def attach_volume(self, node, volume, device=None):
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return super(CloudwattNodeDriver, self)\
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.attach_volume(node, volume, device)
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def _ex_connection_class_kwargs(self):
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"""
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Includes ``tenant_id`` in Connection.
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"""
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return {
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'ex_tenant_id': self.ex_tenant_id
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}
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