153 lines
4.6 KiB
Python
153 lines
4.6 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 abc
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from collections import namedtuple
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import logging
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import six
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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 service
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HostClass = namedtuple('HostClass', ['ip', 'mac'])
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class DevStackNode(node_collection.NodeCollection):
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def __init__(self, cloud_management=None, power_management=None,
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host=None):
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self.cloud_management = cloud_management
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self.power_management = power_management
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self.host = host
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def __repr__(self):
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return ('DevStackNode(%s)' %
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dict(ip=self.host.ip, mac=self.host.mac))
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def __len__(self):
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return 1
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def pick(self):
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return self
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def reboot(self):
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task = {'command': 'reboot'}
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self.cloud_management.execute(self.host.ip, task)
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def oom(self):
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raise NotImplementedError
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def poweroff(self):
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self.power_management.poweroff([self.host.mac])
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def poweron(self):
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self.power_management.poweron([self.host.mac])
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def reset(self):
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logging.info('Reset nodes: %s', self)
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self.power_management.reset([self.host.mac])
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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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@six.add_metaclass(abc.ABCMeta)
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class DevStackService(service.Service):
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def __init__(self, cloud_management=None, power_management=None):
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self.cloud_management = cloud_management
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self.power_management = power_management
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def __repr__(self):
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return str(type(self))
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def get_nodes(self):
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return self.cloud_management.get_nodes()
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def restart(self, nodes=None):
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task = {'command': self.RESTART_CMD}
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exec_res = self.cloud_management.execute(task)
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logging.info('Restart the service, result: %s', exec_res)
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class KeystoneService(DevStackService):
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RESTART_CMD = 'service apache2 restart'
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SERVICE_NAME_TO_CLASS = {
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'keystone': KeystoneService,
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}
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class DevStackManagement(cloud_management.CloudManagement):
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NAME = 'devstack'
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DESCRIPTION = 'Single node DevStack management driver'
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SUPPORTED_SERVICES = list(SERVICE_NAME_TO_CLASS.keys())
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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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'username': {'type': 'string'},
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'private_key': {'type': 'string'},
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},
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'required': ['address', 'username'],
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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(DevStackManagement, self).__init__()
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self.address = cloud_management_params['address']
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self.username = cloud_management_params['username']
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self.private_key_file = cloud_management_params.get('private_key')
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self.executor = executor.AnsibleRunner(
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remote_user=self.username, private_key_file=self.private_key_file,
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become=True)
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self.host = None
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def verify(self):
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"""Verify connection to the cloud."""
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task = {'command': 'hostname'}
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hostname = self.execute(task)[0].payload['stdout']
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logging.debug('DevStack hostname: %s', hostname)
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logging.info('Connected to cloud successfully')
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def execute(self, task):
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return self.executor.execute([self.address], task)
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def get_nodes(self, fqdns=None):
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if not self.host:
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task = {'command': 'cat /sys/class/net/eth0/address'}
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mac = self.execute(task)[0].payload['stdout']
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self.host = HostClass(ip=self.address, mac=mac)
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return DevStackNode(cloud_management=self,
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power_management=self.power_management,
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host=self.host)
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def get_service(self, name):
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if name in SERVICE_NAME_TO_CLASS:
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klazz = SERVICE_NAME_TO_CLASS[name]
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return klazz(cloud_management=self,
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power_management=self.power_management)
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