6c31641cfc
* Simplifies code of get_nodes for fuel and tcpcloud drivers. Change-Id: I02569c55a01396cb82f13186e4f16a9daa651503
351 lines
11 KiB
Python
351 lines
11 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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import yaml
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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.common import service
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from os_faults import utils
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LOG = logging.getLogger(__name__)
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class TCPCloudNodeCollection(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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SALT_CALL = 'salt-call --local --retcode-passthrough '
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SALT_RESTART = SALT_CALL + 'service.restart {service}'
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SALT_TERMINATE = SALT_CALL + 'service.stop {service}'
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SALT_START = SALT_CALL + 'service.start {service}'
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class SaltService(service.ServiceAsProcess):
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@utils.require_variables('SALT_SERVICE')
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def __init__(self, *args, **kwargs):
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super(SaltService, self).__init__(*args, **kwargs)
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self.RESTART_CMD = SALT_RESTART.format(service=self.SALT_SERVICE)
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self.TERMINATE_CMD = SALT_TERMINATE.format(service=self.SALT_SERVICE)
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self.START_CMD = SALT_START.format(service=self.SALT_SERVICE)
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class KeystoneService(SaltService):
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SERVICE_NAME = 'keystone'
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GREP = '[k]eystone-all'
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SALT_SERVICE = 'keystone'
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class HorizonService(SaltService):
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SERVICE_NAME = 'horizon'
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GREP = '[a]pache2'
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SALT_SERVICE = 'apache2'
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class MemcachedService(SaltService):
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SERVICE_NAME = 'memcached'
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GREP = '[m]emcached'
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SALT_SERVICE = 'memcached'
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class MySQLService(SaltService):
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SERVICE_NAME = 'mysql'
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GREP = '[m]ysqld'
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SALT_SERVICE = 'mysql'
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PORT = ('tcp', 3307)
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class RabbitMQService(SaltService):
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SERVICE_NAME = 'rabbitmq'
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GREP = 'beam\.smp .*rabbitmq_server'
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SALT_SERVICE = 'rabbitmq-server'
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class GlanceAPIService(SaltService):
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SERVICE_NAME = 'glance-api'
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GREP = '[g]lance-api'
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SALT_SERVICE = 'glance-api'
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class GlanceRegistryService(SaltService):
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SERVICE_NAME = 'glance-registry'
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GREP = '[g]lance-registry'
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SALT_SERVICE = 'glance-registry'
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class NovaAPIService(SaltService):
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SERVICE_NAME = 'nova-api'
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GREP = '[n]ova-api'
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SALT_SERVICE = 'nova-api'
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class NovaComputeService(SaltService):
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SERVICE_NAME = 'nova-compute'
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GREP = '[n]ova-compute'
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SALT_SERVICE = 'nova-compute'
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class NovaSchedulerService(SaltService):
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SERVICE_NAME = 'nova-scheduler'
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GREP = '[n]ova-scheduler'
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SALT_SERVICE = 'nova-scheduler'
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class NovaCertService(SaltService):
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SERVICE_NAME = 'nova-cert'
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GREP = '[n]ova-cert'
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SALT_SERVICE = 'nova-cert'
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class NovaConductorService(SaltService):
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SERVICE_NAME = 'nova-conductor'
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GREP = '[n]ova-conductor'
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SALT_SERVICE = 'nova-conductor'
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class NovaConsoleAuthService(SaltService):
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SERVICE_NAME = 'nova-consoleauth'
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GREP = '[n]ova-consoleauth'
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SALT_SERVICE = 'nova-consoleauth'
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class NovaNoVNCProxyService(SaltService):
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SERVICE_NAME = 'nova-novncproxy'
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GREP = '[n]ova-novncproxy'
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SALT_SERVICE = 'nova-novncproxy'
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class NeutronServerService(SaltService):
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SERVICE_NAME = 'neutron-server'
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GREP = '[n]eutron-server'
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SALT_SERVICE = 'neutron-server'
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class NeutronDhcpAgentService(SaltService):
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SERVICE_NAME = 'neutron-dhcp-agent'
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GREP = '[n]eutron-dhcp-agent'
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SALT_SERVICE = 'neutron-dhcp-agent'
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class NeutronMetadataAgentService(SaltService):
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SERVICE_NAME = 'neutron-metadata-agent'
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GREP = '[n]eutron-metadata-agent'
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SALT_SERVICE = 'neutron-metadata-agent'
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class NeutronOpenvswitchAgentService(SaltService):
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SERVICE_NAME = 'neutron-openvswitch-agent'
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GREP = '[n]eutron-openvswitch-agent'
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SALT_SERVICE = 'neutron-openvswitch-agent'
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class NeutronL3AgentService(SaltService):
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SERVICE_NAME = 'neutron-l3-agent'
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GREP = '[n]eutron-l3-agent'
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SALT_SERVICE = 'neutron-l3-agent'
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class HeatAPIService(SaltService):
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SERVICE_NAME = 'heat-api'
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GREP = '[h]eat-api '
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SALT_SERVICE = 'heat-api'
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class HeatEngineService(SaltService):
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SERVICE_NAME = 'heat-engine'
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GREP = '[h]eat-engine'
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SALT_SERVICE = 'heat-engine'
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class CinderAPIService(SaltService):
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SERVICE_NAME = 'cinder-api'
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GREP = '[c]inder-api'
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SALT_SERVICE = 'cinder-api'
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class CinderSchedulerService(SaltService):
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SERVICE_NAME = 'cinder-scheduler'
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GREP = '[c]inder-scheduler'
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SALT_SERVICE = 'cinder-scheduler'
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class CinderVolumeService(SaltService):
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SERVICE_NAME = 'cinder-volume'
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GREP = '[c]inder-volume'
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SALT_SERVICE = 'cinder-volume'
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class CinderBackupService(SaltService):
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SERVICE_NAME = 'cinder-backup'
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GREP = '[c]inder-backup'
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SALT_SERVICE = 'cinder-backup'
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class TCPCloudManagement(cloud_management.CloudManagement):
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NAME = 'tcpcloud'
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DESCRIPTION = 'TCPCloud management driver'
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NODE_CLS = TCPCloudNodeCollection
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SERVICE_NAME_TO_CLASS = {
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'keystone': KeystoneService,
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'horizon': HorizonService,
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'memcached': MemcachedService,
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'mysql': MySQLService,
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'rabbitmq': RabbitMQService,
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'glance-api': GlanceAPIService,
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'glance-registry': GlanceRegistryService,
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'nova-api': NovaAPIService,
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'nova-compute': NovaComputeService,
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'nova-scheduler': NovaSchedulerService,
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'nova-cert': NovaCertService,
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'nova-conductor': NovaConductorService,
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'nova-consoleauth': NovaConsoleAuthService,
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'nova-novncproxy': NovaNoVNCProxyService,
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'neutron-server': NeutronServerService,
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'neutron-dhcp-agent': NeutronDhcpAgentService,
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'neutron-metadata-agent': NeutronMetadataAgentService,
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'neutron-openvswitch-agent': NeutronOpenvswitchAgentService,
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'neutron-l3-agent': NeutronL3AgentService,
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'heat-api': HeatAPIService,
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'heat-engine': HeatEngineService,
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'cinder-api': CinderAPIService,
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'cinder-scheduler': CinderSchedulerService,
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'cinder-volume': CinderVolumeService,
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'cinder-backup': CinderBackupService,
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}
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SUPPORTED_SERVICES = list(SERVICE_NAME_TO_CLASS.keys())
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SUPPORTED_NETWORKS = []
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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_file': {'type': 'string'},
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'slave_username': {'type': 'string'},
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'master_sudo': {'type': 'boolean'},
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'slave_sudo': {'type': 'boolean'},
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'slave_iface': {'type': 'string'},
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'slave_name_regexp': {'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(TCPCloudManagement, self).__init__()
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self.master_node_address = cloud_management_params['address']
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self.username = cloud_management_params['username']
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self.slave_username = cloud_management_params.get(
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'slave_username', self.username)
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self.private_key_file = cloud_management_params.get('private_key_file')
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self.master_node_executor = executor.AnsibleRunner(
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remote_user=self.username,
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private_key_file=self.private_key_file,
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become=cloud_management_params.get('master_sudo'))
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self.cloud_executor = executor.AnsibleRunner(
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remote_user=self.slave_username,
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private_key_file=self.private_key_file,
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jump_host=self.master_node_address,
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jump_user=self.username,
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become=cloud_management_params.get('slave_sudo'))
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self.slave_iface = cloud_management_params.get('slave_iface', 'eth0')
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# get all nodes except salt master (that has cfg* hostname) by default
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self.slave_name_regexp = cloud_management_params.get(
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'slave_name_regexp', '^(?!cfg|mon)')
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self.cached_cloud_hosts = list()
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def verify(self):
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"""Verify connection to the cloud."""
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hosts = self._get_cloud_hosts()
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LOG.debug('Cloud nodes: %s', hosts)
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task = {'command': 'hostname'}
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host_addrs = [host.ip for host in hosts]
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task_result = self.execute_on_cloud(host_addrs, task)
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LOG.debug('Hostnames of cloud nodes: %s',
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[r.payload['stdout'] for r in task_result])
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LOG.info('Connected to cloud successfully!')
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def _get_cloud_hosts(self):
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if not self.cached_cloud_hosts:
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cmd = "salt -E '{}' network.interfaces --out=yaml".format(
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self.slave_name_regexp)
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result = self.execute_on_master_node({'command': cmd})
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stdout = result[0].payload['stdout']
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for fqdn, net_data in yaml.load(stdout).items():
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host = node_collection.Host(
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ip=net_data[self.slave_iface]['inet'][0]['address'],
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mac=net_data[self.slave_iface]['hwaddr'],
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fqdn=fqdn)
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self.cached_cloud_hosts.append(host)
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self.cached_cloud_hosts = sorted(self.cached_cloud_hosts)
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return self.cached_cloud_hosts
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def execute_on_master_node(self, task):
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"""Execute task on salt master node.
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:param task: Ansible task
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:return: Ansible execution result (list of records)
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"""
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return self.master_node_executor.execute(
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[self.master_node_address], task)
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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 get_nodes(self, fqdns=None):
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"""Get nodes in the cloud
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This function returns NodesCollection representing all nodes in the
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cloud or only those that were specified by FQDNs.
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:param fqdns: list of FQDNs or None to retrieve all nodes
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:return: NodesCollection
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"""
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nodes = self.NODE_CLS(cloud_management=self,
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power_management=self.power_management,
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hosts=self._get_cloud_hosts())
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if fqdns:
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LOG.debug('Trying to find nodes with FQDNs: %s', fqdns)
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nodes = nodes.filter(lambda node: node.fqdn in fqdns)
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LOG.debug('The following nodes were found: %s', nodes.hosts)
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return nodes
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