23f9b77365
Also adds basic neutron library and task to create a network in tempest_resources. Related: https://github.com/rcbops/ansible-lxc-rpc/issues/472
154 lines
5.2 KiB
Python
154 lines
5.2 KiB
Python
#!/usr/bin/env python
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# Copyright 2014, Rackspace US, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# 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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DOCUMENTATION='''
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---
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module: neutron
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short_description:
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- Basic module for interacting with openstack neutron
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description:
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- Basic module for interacting with openstack neutron
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options:
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command:
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description:
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- Operation for the module to perform. Currently available
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choices:
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- create_network_with_subnet
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openrc_path:
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decription:
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- Path to openrc file from which credentials and keystone endpoint will be extracted
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network_name:
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description:
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- Name of the image to create
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cidr:
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description:
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- cidr to use for the subnet
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author: Hugh Saunders
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'''
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EXAMPLES = '''
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# Create a subnet with parent network
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- name: Ensure tempest network exists
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neutron:
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command: create_network_with_subnet
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openrc_path: /root/openrc
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network_name: tempest
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cidr: "192.168.74.0/24"
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'''
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import re
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import keystoneclient.v2_0.client as ksclient
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from neutronclient.neutron import client as nclient
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COMMAND_MAP = {'create_network_with_subnet': 'create_subnet'}
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class ManageNeutron(object):
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def __init__(self, module):
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self.state_change = False
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self.neutron = None
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self.keystone = None
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self.module = module
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try:
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self._keystone_authenticate()
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self._init_neutron()
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except Exception as e:
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self.module.fail_json(
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err="Initialisation Error: %s" % e,
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rc=2, msg=str(e))
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def _parse_openrc(self):
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""" Get credentials from an openrc file """
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openrc_path = self.module.params['openrc_path']
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line_re = re.compile('^export (?P<key>OS_\w*)=(?P<value>[^\n]*)')
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with open(openrc_path) as openrc:
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matches = [line_re.match(l) for l in openrc]
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return dict(
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(g.groupdict()['key'], g.groupdict()['value'])
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for g in matches if g)
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def _keystone_authenticate(self):
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""" Authenticate with Keystone """
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openrc = self._parse_openrc()
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self.keystone = ksclient.Client(username=openrc['OS_USERNAME'],
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password=openrc['OS_PASSWORD'],
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tenant_name=openrc['OS_TENANT_NAME'],
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auth_url=openrc['OS_AUTH_URL'])
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def _init_neutron(self):
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""" Create neutron client object using token and url from keystone """
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self.neutron = nclient.Client(
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'2.0',
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endpoint_url=self.keystone.service_catalog.url_for(
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service_type='network'),
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token=self.keystone.get_token(self.keystone.session))
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def route(self):
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""" Run the command specified by the command parameter """
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getattr(self, COMMAND_MAP[self.module.params['command']])()
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def create_network(self):
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name = self.module.params['name']
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if not self.neutron.list_networks(name=name)['networks']:
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# network doesn't exist, create it
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self.state_change = True
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self.neutron.create_network(
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{"network": {"name": name, "admin_state_up": True}})
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def _get_network_by_name(self, name):
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return self.neutron.list_networks(name=name)['networks'][0]
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def create_subnet(self, network_id=None):
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name = self.module.params['name']
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cidr = self.module.params['cidr']
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if network_id is None:
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self.create_network()
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network_id = self._get_network_by_name(name)['id']
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if not self.neutron.list_subnets(
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cidr=cidr, network_id=network_id)['subnets']:
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# subnet doesn't exist, create it
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self.state_change = True
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self.neutron.create_subnet(
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{"subnet": {"cidr": cidr,
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"ip_version": 4,
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"network_id": network_id}})
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self.module.exit_json(
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changed=self.state_change,
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ansible_facts=dict(neutron=self._get_network_facts()))
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def _get_network_facts(self):
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facts={}
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facts['networks']=self.neutron.list_networks()['networks']
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facts['subnets']=self.neutron.list_subnets()['subnets']
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return facts
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def main():
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module = AnsibleModule(
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argument_spec=dict(
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command=dict(required=True, choices=COMMAND_MAP.keys()),
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openrc_path=dict(required=True),
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name=dict(required=True),
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cidr=dict(required=True),
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),
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supports_check_mode=False
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)
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mg = ManageNeutron(module)
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mg.route()
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from ansible.module_utils.basic import *
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if __name__ == '__main__':
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main()
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