268 lines
8.1 KiB
Python
268 lines
8.1 KiB
Python
# 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
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# 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 logging
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from os_faults.ansible import executor
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from os_faults.api import cloud_management
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from os_faults.api import node_collection
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from os_faults.api import node_discover
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from os_faults.drivers import shared_schemas
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LOG = logging.getLogger(__name__)
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class DevStackNodeCollection(node_collection.NodeCollection):
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def connect(self, network_name):
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raise NotImplementedError
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def disconnect(self, network_name):
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raise NotImplementedError
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class DevStackCloudManagement(cloud_management.CloudManagement,
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node_discover.NodeDiscover):
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"""Driver for DevStack.
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This driver requires DevStack installed with Systemd (USE_SCREEN=False).
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Supports discovering of node MAC addresses.
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**Example configuration:**
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.. code-block:: yaml
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cloud_management:
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driver: devstack
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args:
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address: 192.168.1.10
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auth:
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username: ubuntu
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password: ubuntu_pass
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private_key_file: ~/.ssh/id_rsa_devstack
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iface: eth1
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parameters:
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- **address** - ip address of any devstack node
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- **username** - username for all nodes
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- **password** - password for all nodes (optional)
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- **private_key_file** - path to key file (optional)
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- **iface** - network interface name to retrieve mac address (optional)
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"""
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NAME = 'devstack'
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DESCRIPTION = 'DevStack driver'
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NODE_CLS = DevStackNodeCollection
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SERVICES = {
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'cinder-api': {
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'driver': 'system_service',
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'args': {
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'grep': 'cinder-api',
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'service_name': 'devstack@c-api',
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}
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},
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'cinder-scheduler': {
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'driver': 'system_service',
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'args': {
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'grep': 'cinder-schedule',
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'service_name': 'devstack@c-sch',
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}
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},
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'cinder-volume': {
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'driver': 'system_service',
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'args': {
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'grep': 'cinder-volume',
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'service_name': 'devstack@c-vol',
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}
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},
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'etcd': {
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'driver': 'system_service',
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'args': {
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'grep': 'etcd',
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'service_name': 'devstack@etcd',
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}
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},
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'glance-api': {
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'driver': 'system_service',
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'args': {
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'grep': 'glance-api',
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'service_name': 'devstack@g-api',
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}
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},
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'heat-api': {
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'driver': 'system_service',
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'args': {
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'grep': 'heat-api',
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'service_name': 'devstack@h-api',
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}
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},
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'heat-engine': {
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'driver': 'system_service',
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'args': {
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'grep': 'heat-engine',
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'service_name': 'devstack@h-eng',
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}
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},
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'keystone': {
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'driver': 'system_service',
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'args': {
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'grep': 'keystone',
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'service_name': 'devstack@keystone',
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}
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},
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'memcached': {
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'driver': 'system_service',
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'args': {
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'grep': 'memcached',
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'service_name': 'memcached',
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}
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},
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'mysql': {
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'driver': 'system_service',
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'args': {
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'grep': 'mysqld',
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'service_name': 'mariadb',
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'port': ['tcp', 3307],
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}
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},
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'neutron-dhcp-agent': {
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'driver': 'system_service',
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'args': {
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'grep': 'neutron-dhcp-agent',
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'service_name': 'devstack@q-dhcp',
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}
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},
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'neutron-l3-agent': {
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'driver': 'system_service',
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'args': {
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'grep': 'neutron-l3-agent',
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'service_name': 'devstack@q-l3',
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}
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},
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'neutron-meta-agent': {
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'driver': 'system_service',
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'args': {
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'grep': 'neutron-meta-agent',
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'service_name': 'devstack@q-meta',
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}
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},
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'neutron-openvswitch-agent': {
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'driver': 'system_service',
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'args': {
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'grep': 'neutron-openvswitch-agent',
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'service_name': 'devstack@q-agt',
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}
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},
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'neutron-server': {
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'driver': 'system_service',
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'args': {
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'grep': 'neutron-server',
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'service_name': 'devstack@q-svc',
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}
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},
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'nova-api': {
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'driver': 'system_service',
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'args': {
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'grep': 'nova-api',
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'service_name': 'devstack@n-api',
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}
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},
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'nova-compute': {
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'driver': 'system_service',
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'args': {
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'grep': 'nova-compute',
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'service_name': 'devstack@n-cpu',
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}
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},
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'nova-scheduler': {
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'driver': 'system_service',
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'args': {
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'grep': 'nova-scheduler',
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'service_name': 'devstack@n-sch',
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}
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},
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'placement-api': {
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'driver': 'system_service',
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'args': {
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'grep': 'placement',
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'service_name': 'devstack@placement-api',
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}
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},
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'rabbitmq': {
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'driver': 'system_service',
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'args': {
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'grep': 'rabbitmq_server',
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'service_name': 'rabbitmq-server',
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}
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},
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}
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SUPPORTED_NETWORKS = ['all-in-one']
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CONFIG_SCHEMA = {
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'type': 'object',
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'$schema': 'http://json-schema.org/draft-04/schema#',
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'properties': {
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'address': {'type': 'string'},
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'auth': shared_schemas.AUTH_SCHEMA,
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'iface': {'type': 'string'},
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},
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'required': ['address', 'auth'],
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'additionalProperties': False,
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}
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def __init__(self, cloud_management_params):
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super(DevStackCloudManagement, self).__init__()
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self.node_discover = self # supports discovering
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address = cloud_management_params['address']
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auth = cloud_management_params['auth']
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self.iface = cloud_management_params.get('iface', 'eth0')
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self.cloud_executor = executor.AnsibleRunner(auth=auth)
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self.hosts = [node_collection.Host(ip=address)]
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self.nodes = None
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def verify(self):
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"""Verify connection to the cloud."""
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nodes = self.get_nodes()
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if nodes:
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LOG.debug('DevStack nodes: %s', nodes)
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LOG.info('Connected to cloud successfully')
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def execute_on_cloud(self, hosts, task, raise_on_error=True):
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"""Execute task on specified hosts within the cloud.
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:param hosts: List of host FQDNs
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:param task: Ansible task
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:param raise_on_error: throw exception in case of error
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:return: Ansible execution result (list of records)
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"""
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if raise_on_error:
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return self.cloud_executor.execute(hosts, task)
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else:
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return self.cloud_executor.execute(hosts, task, [])
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def discover_hosts(self):
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if self.nodes is None:
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get_mac_cmd = 'cat /sys/class/net/{}/address'.format(self.iface)
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task = {'command': get_mac_cmd}
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results = self.execute_on_cloud(self.hosts, task)
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# TODO(astudenov): support fqdn
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self.nodes = [node_collection.Host(ip=r.host,
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mac=r.payload['stdout'],
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fqdn='')
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for r in results]
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return self.nodes
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