os-faults/os_faults/drivers/cloud/devstack.py

268 lines
8.1 KiB
Python

# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
# implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import logging
from os_faults.ansible import executor
from os_faults.api import cloud_management
from os_faults.api import node_collection
from os_faults.api import node_discover
from os_faults.drivers import shared_schemas
LOG = logging.getLogger(__name__)
class DevStackNodeCollection(node_collection.NodeCollection):
def connect(self, network_name):
raise NotImplementedError
def disconnect(self, network_name):
raise NotImplementedError
class DevStackCloudManagement(cloud_management.CloudManagement,
node_discover.NodeDiscover):
"""Driver for DevStack.
This driver requires DevStack installed with Systemd (USE_SCREEN=False).
Supports discovering of node MAC addresses.
**Example configuration:**
.. code-block:: yaml
cloud_management:
driver: devstack
args:
address: 192.168.1.10
auth:
username: ubuntu
password: ubuntu_pass
private_key_file: ~/.ssh/id_rsa_devstack
iface: eth1
parameters:
- **address** - ip address of any devstack node
- **username** - username for all nodes
- **password** - password for all nodes (optional)
- **private_key_file** - path to key file (optional)
- **iface** - network interface name to retrieve mac address (optional)
"""
NAME = 'devstack'
DESCRIPTION = 'DevStack driver'
NODE_CLS = DevStackNodeCollection
SERVICES = {
'cinder-api': {
'driver': 'system_service',
'args': {
'grep': 'cinder-api',
'service_name': 'devstack@c-api',
}
},
'cinder-scheduler': {
'driver': 'system_service',
'args': {
'grep': 'cinder-schedule',
'service_name': 'devstack@c-sch',
}
},
'cinder-volume': {
'driver': 'system_service',
'args': {
'grep': 'cinder-volume',
'service_name': 'devstack@c-vol',
}
},
'etcd': {
'driver': 'system_service',
'args': {
'grep': 'etcd',
'service_name': 'devstack@etcd',
}
},
'glance-api': {
'driver': 'system_service',
'args': {
'grep': 'glance-api',
'service_name': 'devstack@g-api',
}
},
'heat-api': {
'driver': 'system_service',
'args': {
'grep': 'heat-api',
'service_name': 'devstack@h-api',
}
},
'heat-engine': {
'driver': 'system_service',
'args': {
'grep': 'heat-engine',
'service_name': 'devstack@h-eng',
}
},
'keystone': {
'driver': 'system_service',
'args': {
'grep': 'keystone',
'service_name': 'devstack@keystone',
}
},
'memcached': {
'driver': 'system_service',
'args': {
'grep': 'memcached',
'service_name': 'memcached',
}
},
'mysql': {
'driver': 'system_service',
'args': {
'grep': 'mysqld',
'service_name': 'mariadb',
'port': ['tcp', 3307],
}
},
'neutron-dhcp-agent': {
'driver': 'system_service',
'args': {
'grep': 'neutron-dhcp-agent',
'service_name': 'devstack@q-dhcp',
}
},
'neutron-l3-agent': {
'driver': 'system_service',
'args': {
'grep': 'neutron-l3-agent',
'service_name': 'devstack@q-l3',
}
},
'neutron-meta-agent': {
'driver': 'system_service',
'args': {
'grep': 'neutron-meta-agent',
'service_name': 'devstack@q-meta',
}
},
'neutron-openvswitch-agent': {
'driver': 'system_service',
'args': {
'grep': 'neutron-openvswitch-agent',
'service_name': 'devstack@q-agt',
}
},
'neutron-server': {
'driver': 'system_service',
'args': {
'grep': 'neutron-server',
'service_name': 'devstack@q-svc',
}
},
'nova-api': {
'driver': 'system_service',
'args': {
'grep': 'nova-api',
'service_name': 'devstack@n-api',
}
},
'nova-compute': {
'driver': 'system_service',
'args': {
'grep': 'nova-compute',
'service_name': 'devstack@n-cpu',
}
},
'nova-scheduler': {
'driver': 'system_service',
'args': {
'grep': 'nova-scheduler',
'service_name': 'devstack@n-sch',
}
},
'placement-api': {
'driver': 'system_service',
'args': {
'grep': 'placement',
'service_name': 'devstack@placement-api',
}
},
'rabbitmq': {
'driver': 'system_service',
'args': {
'grep': 'rabbitmq_server',
'service_name': 'rabbitmq-server',
}
},
}
SUPPORTED_NETWORKS = ['all-in-one']
CONFIG_SCHEMA = {
'type': 'object',
'$schema': 'http://json-schema.org/draft-04/schema#',
'properties': {
'address': {'type': 'string'},
'auth': shared_schemas.AUTH_SCHEMA,
'iface': {'type': 'string'},
},
'required': ['address', 'auth'],
'additionalProperties': False,
}
def __init__(self, cloud_management_params):
super(DevStackCloudManagement, self).__init__()
self.node_discover = self # supports discovering
address = cloud_management_params['address']
auth = cloud_management_params['auth']
self.iface = cloud_management_params.get('iface', 'eth0')
self.cloud_executor = executor.AnsibleRunner(auth=auth)
self.hosts = [node_collection.Host(ip=address)]
self.nodes = None
def verify(self):
"""Verify connection to the cloud."""
nodes = self.get_nodes()
if nodes:
LOG.debug('DevStack nodes: %s', nodes)
LOG.info('Connected to cloud successfully')
def execute_on_cloud(self, hosts, task, raise_on_error=True):
"""Execute task on specified hosts within the cloud.
:param hosts: List of host FQDNs
:param task: Ansible task
:param raise_on_error: throw exception in case of error
:return: Ansible execution result (list of records)
"""
if raise_on_error:
return self.cloud_executor.execute(hosts, task)
else:
return self.cloud_executor.execute(hosts, task, [])
def discover_hosts(self):
if self.nodes is None:
get_mac_cmd = 'cat /sys/class/net/{}/address'.format(self.iface)
task = {'command': get_mac_cmd}
results = self.execute_on_cloud(self.hosts, task)
# TODO(astudenov): support fqdn
self.nodes = [node_collection.Host(ip=r.host,
mac=r.payload['stdout'],
fqdn='')
for r in results]
return self.nodes