211 lines
7.3 KiB
Python
Executable File
211 lines
7.3 KiB
Python
Executable File
#!/usr/bin/env python
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# Copyright (c) 2014 Hewlett-Packard Development Company, L.P.
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# Copyright 2016 Red Hat, Inc.
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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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# TODO(mandre)
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# If possible get info from ironic for hosts prior to deployment
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from __future__ import print_function
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import json
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import os
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import sys
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from heatclient.v1 import client as heat_client
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from keystoneclient.v3 import client as keystone_client
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from novaclient import client as nova_client
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from oslo_config import cfg
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opts = [
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cfg.StrOpt('host', help='List details about the specific host'),
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cfg.BoolOpt('list', help='List active hosts'),
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cfg.StrOpt('username', default=os.environ.get('OS_USERNAME')),
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cfg.StrOpt('password', default=os.environ.get('OS_PASSWORD')),
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cfg.StrOpt('auth-url', default=os.environ.get('OS_AUTH_URL')),
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cfg.StrOpt('auth-token', default=os.environ.get('OS_AUTH_TOKEN')),
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cfg.StrOpt('project-name', default=os.environ.get('OS_TENANT_NAME')),
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cfg.StrOpt('plan', default=os.environ.get('TRIPLEO_PLAN_NAME')),
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]
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def _parse_config():
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default_config = os.environ.get('TRIPLEO_INVENTORY_CONFIG')
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if default_config:
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default_config = [default_config]
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configs = cfg.ConfigOpts()
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configs.register_cli_opts(opts)
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configs(prog='tripleo-ansible-inventory',
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default_config_files=default_config)
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if configs.auth_url is None:
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print('ERROR: auth-url not defined and OS_AUTH_URL environment '
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'variable missing, unable to proceed.', file=sys.stderr)
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sys.exit(1)
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if '/v2.0' in configs.auth_url:
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configs.auth_url = configs.auth_url.replace('/v2.0', '/v3')
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if not configs.plan:
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configs.plan = 'overcloud'
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return configs
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class TripleoInventory(object):
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def __init__(self, configs):
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self.configs = configs
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self._ksclient = None
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self._hclient = None
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self._nclient = None
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def fetch_stack_resources(self, resource_name):
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heatclient = self.hclient
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novaclient = self.nclient
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stack = self.configs.plan
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ret = []
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try:
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resource_id = heatclient.resources.get(stack, resource_name) \
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.physical_resource_id
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for resource in heatclient.resources.list(resource_id):
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node = heatclient.resources.get(resource_id,
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resource.resource_name)
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node_resource = node.attributes['nova_server_resource']
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nova_server = novaclient.servers.get(node_resource)
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if nova_server.status == 'ACTIVE':
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ret.append(nova_server.networks['ctlplane'][0])
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except Exception:
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# Ignore non existent stacks or resources
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pass
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return ret
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def get_overcloud_output(self, output_name):
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try:
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stack = self.hclient.stacks.get(self.configs.plan)
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for output in stack.outputs:
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if output['output_key'] == output_name:
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return output['output_value']
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except Exception:
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return None
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def list(self):
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ret = {
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'undercloud': {
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'hosts': ['localhost'],
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'vars': {
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'ansible_connection': 'local',
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'ansible_become': True,
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},
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}
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}
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public_vip = self.get_overcloud_output('PublicVip')
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if public_vip:
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ret['undercloud']['vars']['public_vip'] = public_vip
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controller_group = self.fetch_stack_resources('Controller')
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if controller_group:
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ret['controller'] = controller_group
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compute_group = self.fetch_stack_resources('Compute')
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if compute_group:
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ret['compute'] = compute_group
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if any([controller_group, compute_group]):
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ret['overcloud'] = {
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'children': list(set(ret.keys()) - set(['undercloud'])),
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'vars': {
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# TODO(mandre) retrieve SSH user from heat
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'ansible_ssh_user': 'heat-admin',
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'ansible_become': True,
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}
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}
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print(json.dumps(ret))
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def host(self):
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# NOTE(mandre)
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# Dynamic inventory scripts must return empty json if they don't
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# provide detailed info for hosts:
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# http://docs.ansible.com/ansible/developing_inventory.html
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print(json.dumps({}))
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@property
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def ksclient(self):
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if self._ksclient is None:
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try:
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if self.configs.auth_token:
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self._ksclient = keystone_client.Client(
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auth_url=self.configs.auth_url,
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username=self.configs.username,
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token=self.configs.auth_token,
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project_name=self.configs.project_name)
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else:
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self._ksclient = keystone_client.Client(
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auth_url=self.configs.auth_url,
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username=self.configs.username,
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password=self.configs.password,
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project_name=self.configs.project_name)
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self._ksclient.authenticate()
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except Exception as e:
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print("Error connecting to Keystone: {}".format(e.message),
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file=sys.stderr)
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sys.exit(1)
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return self._ksclient
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@property
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def hclient(self):
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if self._hclient is None:
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ksclient = self.ksclient
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endpoint = ksclient.service_catalog.url_for(
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service_type='orchestration', endpoint_type='publicURL')
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try:
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self._hclient = heat_client.Client(
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endpoint=endpoint,
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token=ksclient.auth_token)
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except Exception as e:
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print("Error connecting to Heat: {}".format(e.message),
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file=sys.stderr)
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sys.exit(1)
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return self._hclient
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@property
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def nclient(self):
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if self._nclient is None:
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ksclient = self.ksclient
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endpoint = ksclient.service_catalog.url_for(
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service_type='compute', endpoint_type='publicURL')
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try:
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self._nclient = nova_client.Client(
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'2',
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bypass_url=endpoint,
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auth_token=ksclient.auth_token)
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except Exception as e:
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print("Error connecting to Nova: {}".format(e.message),
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file=sys.stderr)
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sys.exit(1)
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return self._nclient
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def main():
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configs = _parse_config()
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inventory = TripleoInventory(configs)
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if configs.list:
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inventory.list()
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elif configs.host:
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inventory.host()
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sys.exit(0)
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if __name__ == '__main__':
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main()
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