95 lines
3.1 KiB
Python
95 lines
3.1 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 error
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LOG = logging.getLogger(__name__)
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class UniversalCloudManagement(cloud_management.CloudManagement):
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"""Universal cloud management driver
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This driver is suitable for the most abstract (and thus universal) case.
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The driver does not have any built-in services nor node discovery
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capabilities. All services need to be listed explicitly in a config file.
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Node list is specified using `node_list` node discovery driver.
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**Example of multi-node configuration:**
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Note that in this configuration a node discovery driver is required.
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.. code-block:: yaml
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cloud_management:
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driver: universal
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node_discover:
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driver: node_list
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args:
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- ip: 192.168.5.149
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auth:
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username: developer
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private_key_file: cloud_key
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become_password: my_secret_password
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- ip: 192.168.5.150
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auth:
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username: developer
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private_key_file: cloud_key
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become_password: my_secret_password
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"""
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NAME = 'universal'
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DESCRIPTION = 'Universal cloud management driver'
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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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'additionalProperties': False,
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}
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def __init__(self, cloud_management_params):
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super(UniversalCloudManagement, self).__init__()
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self.cloud_executor = executor.AnsibleRunner()
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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 not nodes:
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raise error.OSFError('Cloud has no nodes')
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task = {'command': 'hostname'}
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task_result = self.execute_on_cloud(nodes.hosts, task)
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LOG.debug('Host names of cloud nodes: %s',
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', '.join(r.payload['stdout'] for r in task_result))
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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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