117 lines
4.0 KiB
Python
117 lines
4.0 KiB
Python
# 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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Utilities for NetApp FAS drivers.
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This module contains common utilities to be used by one or more
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NetApp FAS drivers to achieve the desired functionality.
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"""
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import json
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import socket
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from oslo_config import cfg
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from cinder import exception
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from cinder.i18n import _
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from cinder import utils
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from cinder.volume import configuration
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from cinder.volume import driver
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from cinder.volume.drivers.netapp.dataontap.client import client_cmode
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from cinder.volume.drivers.netapp import options as na_opts
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CONF = cfg.CONF
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def get_backend_configuration(backend_name):
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"""Get a cDOT configuration object for a specific backend."""
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config_stanzas = CONF.list_all_sections()
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if backend_name not in config_stanzas:
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msg = _("Could not find backend stanza %(backend_name)s in "
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"configuration. Available stanzas are %(stanzas)s")
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params = {
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"stanzas": config_stanzas,
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"backend_name": backend_name,
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}
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raise exception.ConfigNotFound(message=msg % params)
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config = configuration.Configuration(driver.volume_opts,
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config_group=backend_name)
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config.append_config_values(na_opts.netapp_proxy_opts)
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config.append_config_values(na_opts.netapp_connection_opts)
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config.append_config_values(na_opts.netapp_transport_opts)
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config.append_config_values(na_opts.netapp_basicauth_opts)
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config.append_config_values(na_opts.netapp_provisioning_opts)
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config.append_config_values(na_opts.netapp_cluster_opts)
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config.append_config_values(na_opts.netapp_san_opts)
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config.append_config_values(na_opts.netapp_replication_opts)
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config.append_config_values(na_opts.netapp_support_opts)
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return config
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def get_client_for_backend(backend_name, vserver_name=None):
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"""Get a cDOT API client for a specific backend."""
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config = get_backend_configuration(backend_name)
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client = client_cmode.Client(
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transport_type=config.netapp_transport_type,
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username=config.netapp_login,
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password=config.netapp_password,
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hostname=config.netapp_server_hostname,
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port=config.netapp_server_port,
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vserver=vserver_name or config.netapp_vserver,
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trace=utils.TRACE_API,
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api_trace_pattern=config.netapp_api_trace_pattern)
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return client
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def _build_base_ems_log_message(driver_name, app_version):
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ems_log = {
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'computer-name': socket.gethostname() or 'Cinder_node',
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'event-source': 'Cinder driver %s' % driver_name,
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'app-version': app_version,
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'category': 'provisioning',
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'log-level': '5',
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'auto-support': 'false',
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}
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return ems_log
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def build_ems_log_message_0(driver_name, app_version):
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"""Construct EMS Autosupport log message with deployment info."""
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ems_log = _build_base_ems_log_message(driver_name, app_version)
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ems_log['event-id'] = '0'
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ems_log['event-description'] = 'OpenStack Cinder connected to cluster node'
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return ems_log
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def build_ems_log_message_1(driver_name, app_version, vserver,
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flexvol_pools, aggregate_pools):
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"""Construct EMS Autosupport log message with storage pool info."""
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message = {
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'pools': {
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'vserver': vserver,
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'aggregates': aggregate_pools,
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'flexvols': flexvol_pools,
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},
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}
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ems_log = _build_base_ems_log_message(driver_name, app_version)
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ems_log['event-id'] = '1'
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ems_log['event-description'] = json.dumps(message)
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return ems_log
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