417ad2ed25
OpenStack datasource drivers support lazy_tables flag. Implements blueprint: selectable-translator Change-Id: I0f4dfb386243d99423e63e2fcad2eb64b8ae5498
222 lines
9.1 KiB
Python
222 lines
9.1 KiB
Python
# Copyright (c) 2015 Intel Corporation. All rights reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# 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, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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#
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from __future__ import print_function
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from __future__ import division
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from __future__ import absolute_import
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from ironicclient import client
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import six
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from congress.datasources import constants
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from congress.datasources import datasource_driver
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from congress.datasources import datasource_utils as ds_utils
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class IronicDriver(datasource_driver.PollingDataSourceDriver,
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datasource_driver.ExecutionDriver):
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CHASSISES = "chassises"
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NODES = "nodes"
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NODE_PROPERTIES = "node_properties"
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PORTS = "ports"
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DRIVERS = "drivers"
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ACTIVE_HOSTS = "active_hosts"
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# This is the most common per-value translator, so define it once here.
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value_trans = {'translation-type': 'VALUE'}
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def safe_id(x):
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if isinstance(x, six.string_types):
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return x
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try:
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return x['id']
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except KeyError:
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return str(x)
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def safe_port_extra(x):
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try:
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return x['vif_port_id']
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except KeyError:
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return ""
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chassises_translator = {
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'translation-type': 'HDICT',
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'table-name': CHASSISES,
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'selector-type': 'DOT_SELECTOR',
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'field-translators':
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({'fieldname': 'uuid', 'col': 'id', 'translator': value_trans},
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{'fieldname': 'created_at', 'translator': value_trans},
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{'fieldname': 'updated_at', 'translator': value_trans})}
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nodes_translator = {
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'translation-type': 'HDICT',
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'table-name': NODES,
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'selector-type': 'DOT_SELECTOR',
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'field-translators':
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({'fieldname': 'uuid', 'col': 'id',
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'desc': '', 'translator': value_trans},
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{'fieldname': 'chassis_uuid', 'desc': '',
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'col': 'owner_chassis', 'translator': value_trans},
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{'fieldname': 'power_state', 'desc': '',
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'translator': value_trans},
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{'fieldname': 'maintenance', 'desc': '',
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'translator': value_trans},
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{'fieldname': 'properties', 'desc': '',
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'translator':
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{'translation-type': 'HDICT',
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'table-name': NODE_PROPERTIES,
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'parent-key': 'id',
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'parent-col-name': 'properties',
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'selector-type': 'DICT_SELECTOR',
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'in-list': False,
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'field-translators':
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({'fieldname': 'memory_mb',
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'translator': value_trans},
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{'fieldname': 'cpu_arch',
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'translator': value_trans},
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{'fieldname': 'local_gb',
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'translator': value_trans},
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{'fieldname': 'cpus',
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'translator': value_trans})}},
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{'fieldname': 'driver', 'translator': value_trans},
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{'fieldname': 'instance_uuid', 'col': 'running_instance',
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'translator': value_trans},
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{'fieldname': 'created_at', 'translator': value_trans},
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{'fieldname': 'provision_updated_at', 'translator': value_trans},
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{'fieldname': 'updated_at', 'translator': value_trans})}
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ports_translator = {
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'translation-type': 'HDICT',
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'table-name': PORTS,
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'selector-type': 'DOT_SELECTOR',
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'field-translators':
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({'fieldname': 'uuid', 'col': 'id', 'translator': value_trans},
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{'fieldname': 'node_uuid', 'col': 'owner_node',
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'translator': value_trans},
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{'fieldname': 'address', 'col': 'mac_address',
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'translator': value_trans},
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{'fieldname': 'extra', 'col': 'vif_port_id', 'translator':
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{'translation-type': 'VALUE',
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'extract-fn': safe_port_extra}},
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{'fieldname': 'created_at', 'translator': value_trans},
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{'fieldname': 'updated_at', 'translator': value_trans})}
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drivers_translator = {
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'translation-type': 'HDICT',
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'table-name': DRIVERS,
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'selector-type': 'DOT_SELECTOR',
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'field-translators':
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({'fieldname': 'name', 'translator': value_trans},
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{'fieldname': 'hosts', 'translator':
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{'translation-type': 'LIST',
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'table-name': ACTIVE_HOSTS,
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'parent-key': 'name',
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'parent-col-name': 'name',
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'val-col': 'hosts',
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'translator':
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{'translation-type': 'VALUE'}}})}
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TRANSLATORS = [chassises_translator, nodes_translator, ports_translator,
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drivers_translator]
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def __init__(self, name='', args=None):
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super(IronicDriver, self).__init__(name, args)
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datasource_driver.ExecutionDriver.__init__(self)
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self.creds = self.get_ironic_credentials(args)
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session = ds_utils.get_keystone_session(self.creds)
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self.ironic_client = client.get_client(
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api_version=self.creds.get('api_version', '1'), session=session)
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self.add_executable_client_methods(self.ironic_client,
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'ironicclient.v1.')
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self.initialize_update_methods()
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self._init_end_start_poll()
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@staticmethod
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def get_datasource_info():
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result = {}
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result['id'] = 'ironic'
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result['description'] = ('Datasource driver that interfaces with '
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'OpenStack bare metal aka ironic.')
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result['config'] = ds_utils.get_openstack_required_config()
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result['config']['lazy_tables'] = constants.OPTIONAL
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result['secret'] = ['password']
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return result
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def get_ironic_credentials(self, creds):
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d = {}
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d['api_version'] = '1'
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d['insecure'] = False
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# save a copy to renew auth token
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d['username'] = creds['username']
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d['password'] = creds['password']
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d['auth_url'] = creds['auth_url']
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d['tenant_name'] = creds['tenant_name']
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# ironicclient.get_client() uses different names
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d['os_username'] = creds['username']
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d['os_password'] = creds['password']
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d['os_auth_url'] = creds['auth_url']
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d['os_tenant_name'] = creds['tenant_name']
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return d
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def initialize_update_methods(self):
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chassises_method = lambda: self._translate_chassises(
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self.ironic_client.chassis.list(detail=True, limit=0))
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self.add_update_method(chassises_method, self.chassises_translator)
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nodes_method = lambda: self._translate_nodes(
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self.ironic_client.node.list(detail=True, limit=0))
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self.add_update_method(nodes_method, self.nodes_translator)
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ports_method = lambda: self._translate_ports(
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self.ironic_client.port.list(detail=True, limit=0))
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self.add_update_method(ports_method, self.ports_translator)
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drivers_method = lambda: self._translate_drivers(
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self.ironic_client.driver.list())
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self.add_update_method(drivers_method, self.drivers_translator)
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@ds_utils.update_state_on_changed(CHASSISES)
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def _translate_chassises(self, obj):
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row_data = IronicDriver.convert_objs(obj,
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IronicDriver.chassises_translator)
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return row_data
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@ds_utils.update_state_on_changed(NODES)
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def _translate_nodes(self, obj):
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row_data = IronicDriver.convert_objs(obj,
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IronicDriver.nodes_translator)
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return row_data
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@ds_utils.update_state_on_changed(PORTS)
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def _translate_ports(self, obj):
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row_data = IronicDriver.convert_objs(obj,
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IronicDriver.ports_translator)
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return row_data
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@ds_utils.update_state_on_changed(DRIVERS)
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def _translate_drivers(self, obj):
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row_data = IronicDriver.convert_objs(obj,
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IronicDriver.drivers_translator)
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return row_data
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def execute(self, action, action_args):
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"""Overwrite ExecutionDriver.execute()."""
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# action can be written as a method or an API call.
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func = getattr(self, action, None)
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if func and self.is_executable(func):
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func(action_args)
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else:
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self._execute_api(self.ironic_client, action, action_args)
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