477 lines
15 KiB
Python
477 lines
15 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.api import node_discover
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from os_faults.common import service
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from os_faults import error
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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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"""Salt service
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Service that can be controlled by `salt service.*` commands.
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**Example configuration:**
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.. code-block:: yaml
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services:
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app:
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driver: salt_service
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args:
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salt_service: app
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grep: my_app
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port: ['tcp', 4242]
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parameters:
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- **salt_service** - name of a service
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- **grep** - regexp for grep to find process PID
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- **port** - tuple with two values - protocol, port number (optional)
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"""
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NAME = 'salt_service'
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DESCRIPTION = 'Service in salt'
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CONFIG_SCHEMA = {
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'type': 'object',
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'properties': {
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'salt_service': {'type': 'string'},
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'grep': {'type': 'string'},
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'port': service.PORT_SCHEMA,
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},
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'required': ['grep', 'salt_service'],
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'additionalProperties': False,
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}
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def __init__(self, *args, **kwargs):
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super(SaltService, self).__init__(*args, **kwargs)
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self.salt_service = self.config['salt_service']
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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 TCPCloudManagement(cloud_management.CloudManagement,
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node_discover.NodeDiscover):
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"""TCPCloud driver.
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Supports discovering of slave nodes.
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**Example configuration:**
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.. code-block:: yaml
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cloud_management:
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driver: tcpcloud
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args:
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address: 192.168.1.10
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username: root
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password: root_pass
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private_key_file: ~/.ssh/id_rsa_tcpcloud
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slave_username: ubuntu
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slave_password: ubuntu_pass
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master_sudo: False
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slave_sudo: True
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slave_name_regexp: ^(?!cfg|mon)
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slave_direct_ssh: True
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get_ips_cmd: pillar.get _param:single_address
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parameters:
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- **address** - ip address of salt config node
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- **username** - username for salt config node
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- **password** - password for salt config node (optional)
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- **private_key_file** - path to key file (optional)
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- **slave_username** - username for salt minions (optional) *username*
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will be used if *slave_username* not specified
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- **slave_password** - password for salt minions (optional) *password*
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will be used if *slave_password* not specified
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- **master_sudo** - Use sudo on salt config node (optional)
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- **slave_sudo** - Use sudo on salt minion nodes (optional)
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- **slave_name_regexp** - regexp for minion FQDNs (optional)
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- **slave_direct_ssh** - if *False* then salt master is used as ssh proxy
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(optional)
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- **get_ips_cmd** - salt command to get IPs of minions (optional)
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- **serial** - how many hosts Ansible should manage at a single time.
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(optional) default: 10
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"""
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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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SERVICES = {
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'keystone': {
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'driver': 'salt_service',
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'args': {
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'grep': 'keystone-all',
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'salt_service': 'keystone',
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}
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},
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'horizon': {
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'driver': 'salt_service',
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'args': {
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'grep': 'apache2',
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'salt_service': 'apache2',
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}
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},
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'memcached': {
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'driver': 'salt_service',
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'args': {
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'grep': 'memcached',
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'salt_service': 'memcached',
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}
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},
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'mysql': {
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'driver': 'salt_service',
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'args': {
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'grep': 'mysqld',
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'salt_service': 'mysql',
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'port': ['tcp', 3307],
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}
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},
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'rabbitmq': {
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'driver': 'salt_service',
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'args': {
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'grep': 'beam\.smp .*rabbitmq_server',
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'salt_service': 'rabbitmq-server',
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}
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},
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'glance-api': {
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'driver': 'salt_service',
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'args': {
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'grep': 'glance-api',
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'salt_service': 'glance-api',
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}
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},
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'glance-registry': {
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'driver': 'salt_service',
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'args': {
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'grep': 'glance-registry',
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'salt_service': 'glance-registry',
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}
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},
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'nova-api': {
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'driver': 'salt_service',
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'args': {
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'grep': 'nova-api',
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'salt_service': 'nova-api',
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}
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},
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'nova-compute': {
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'driver': 'salt_service',
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'args': {
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'grep': 'nova-compute',
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'salt_service': 'nova-compute',
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}
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},
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'nova-scheduler': {
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'driver': 'salt_service',
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'args': {
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'grep': 'nova-scheduler',
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'salt_service': 'nova-scheduler',
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}
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},
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'nova-cert': {
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'driver': 'salt_service',
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'args': {
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'grep': 'nova-cert',
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'salt_service': 'nova-cert',
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}
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},
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'nova-conductor': {
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'driver': 'salt_service',
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'args': {
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'grep': 'nova-conductor',
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'salt_service': 'nova-conductor',
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}
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},
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'nova-consoleauth': {
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'driver': 'salt_service',
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'args': {
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'grep': 'nova-consoleauth',
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'salt_service': 'nova-consoleauth',
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}
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},
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'nova-novncproxy': {
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'driver': 'salt_service',
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'args': {
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'grep': 'nova-novncproxy',
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'salt_service': 'nova-novncproxy',
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}
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},
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'neutron-server': {
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'driver': 'salt_service',
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'args': {
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'grep': 'neutron-server',
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'salt_service': 'neutron-server',
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}
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},
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'neutron-dhcp-agent': {
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'driver': 'salt_service',
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'args': {
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'grep': 'neutron-dhcp-agent',
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'salt_service': 'neutron-dhcp-agent',
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}
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},
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'neutron-metadata-agent': {
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'driver': 'salt_service',
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'args': {
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'grep': 'neutron-metadata-agent',
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'salt_service': 'neutron-metadata-agent',
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}
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},
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'neutron-openvswitch-agent': {
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'driver': 'salt_service',
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'args': {
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'grep': 'neutron-openvswitch-agent',
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'salt_service': 'neutron-openvswitch-agent',
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}
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},
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'neutron-l3-agent': {
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'driver': 'salt_service',
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'args': {
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'grep': 'neutron-l3-agent',
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'salt_service': 'neutron-l3-agent',
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}
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},
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'heat-api': {
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'driver': 'salt_service',
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'args': {
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# space at the end filters heat-api-* services
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'grep': 'heat-api ',
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'salt_service': 'heat-api',
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}
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},
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'heat-engine': {
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'driver': 'salt_service',
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'args': {
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'grep': 'heat-engine',
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'salt_service': 'heat-engine',
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}
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},
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'cinder-api': {
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'driver': 'salt_service',
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'args': {
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'grep': 'cinder-api',
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'salt_service': 'cinder-api',
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}
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},
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'cinder-scheduler': {
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'driver': 'salt_service',
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'args': {
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'grep': 'cinder-scheduler',
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'salt_service': 'cinder-scheduler',
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}
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},
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'cinder-volume': {
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'driver': 'salt_service',
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'args': {
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'grep': 'cinder-volume',
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'salt_service': 'cinder-volume',
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}
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},
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'cinder-backup': {
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'driver': 'salt_service',
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'args': {
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'grep': 'cinder-backup',
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'salt_service': 'cinder-backup',
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}
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},
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'elasticsearch': {
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'driver': 'salt_service',
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'args': {
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'grep': 'java .*elasticsearch',
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'salt_service': 'elasticsearch',
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}
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},
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'grafana-server': {
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'driver': 'salt_service',
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'args': {
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'grep': 'grafana-server',
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'salt_service': 'grafana-server',
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}
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},
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'influxdb': {
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'driver': 'salt_service',
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'args': {
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'grep': 'influxd',
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'salt_service': 'influxdb',
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}
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},
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'kibana': {
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'driver': 'salt_service',
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'args': {
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'grep': 'kibana',
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'salt_service': 'kibana',
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}
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},
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'nagios3': {
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'driver': 'salt_service',
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'args': {
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'grep': 'nagios3',
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'salt_service': 'nagios3',
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}
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},
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}
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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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'password': {'type': 'string'},
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'private_key_file': {'type': 'string'},
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'slave_username': {'type': 'string'},
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'slave_password': {'type': 'string'},
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'master_sudo': {'type': 'boolean'},
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'slave_sudo': {'type': 'boolean'},
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'slave_name_regexp': {'type': 'string'},
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'slave_direct_ssh': {'type': 'boolean'},
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'get_ips_cmd': {'type': 'string'},
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'serial': {'type': 'integer', 'minimum': 1},
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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.node_discover = self # supports discovering
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self.master_node_address = cloud_management_params['address']
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self._master_host = node_collection.Host(ip=self.master_node_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.slave_direct_ssh = cloud_management_params.get(
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'slave_direct_ssh', False)
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use_jump = not self.slave_direct_ssh
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self.get_ips_cmd = cloud_management_params.get(
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'get_ips_cmd', 'pillar.get _param:single_address')
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self.serial = cloud_management_params.get('serial')
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password = cloud_management_params.get('password')
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self.master_node_executor = executor.AnsibleRunner(
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remote_user=self.username,
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password=password,
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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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password=cloud_management_params.get('slave_password', password),
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private_key_file=self.private_key_file,
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jump_host=self.master_node_address if use_jump else None,
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jump_user=self.username if use_jump else None,
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become=cloud_management_params.get('slave_sudo'),
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serial=self.serial)
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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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nodes = self.get_nodes()
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LOG.debug('Cloud nodes: %s', 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('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 _run_salt(self, command):
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cmd = "salt -E '{}' {} --out=yaml".format(
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self.slave_name_regexp, command)
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result = self._execute_on_master_node({'command': cmd})
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return yaml.load(result[0].payload['stdout'])
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def discover_hosts(self):
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if not self.cached_cloud_hosts:
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interfaces = self._run_salt("network.interfaces")
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ips = self._run_salt(self.get_ips_cmd)
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for fqdn, ip in ips.items():
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node_ifaces = interfaces[fqdn]
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mac = None
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for iface_name, net_data in node_ifaces.items():
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iface_ips = [data['address']
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for data in net_data.get('inet', [])]
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if ip in iface_ips:
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mac = net_data['hwaddr']
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break
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else:
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raise error.CloudManagementError(
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"Can't find ip {} on node {} with node_ifaces:\n{}"
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"".format(ip, fqdn, yaml.dump(node_ifaces)))
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host = node_collection.Host(ip=ip, mac=mac, 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([self._master_host], 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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