158 lines
5.1 KiB
Python
158 lines
5.1 KiB
Python
# Copyright 2016 Ericsson AB
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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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# Copyright (c) 2017 Wind River Systems, Inc.
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#
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# The right to copy, distribute, modify, or otherwise make use
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# of this software may be licensed only pursuant to the terms
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# of an applicable Wind River license agreement.
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#
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from oslo_log import log
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from nfv_client.openstack import sw_update
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from dcmanager.common import consts
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from dcmanager.common import exceptions
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from dcmanager.drivers import base
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LOG = log.getLogger(__name__)
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STRATEGY_NAME_SW_PATCH = 'sw-patch'
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STRATEGY_NAME_SW_UPGRADE = 'sw-upgrade'
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APPLY_TYPE_SERIAL = 'serial'
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APPLY_TYPE_PARALLEL = 'parallel'
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APPLY_TYPE_IGNORE = 'ignore'
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INSTANCE_ACTION_MIGRATE = 'migrate'
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INSTANCE_ACTION_STOP_START = 'stop-start'
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ALARM_RESTRICTIONS_STRICT = 'strict'
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ALARM_RESTRICTIONS_RELAXED = 'relaxed'
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SW_UPDATE_OPTS_CONST_DEFAULT = {
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"name": consts.SW_UPDATE_DEFAULT_TITLE,
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"storage-apply-type": APPLY_TYPE_PARALLEL,
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"compute-apply-type": APPLY_TYPE_PARALLEL,
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"max-parallel-computes": 10,
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"default-instance-action": INSTANCE_ACTION_MIGRATE,
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"alarm-restriction-type": ALARM_RESTRICTIONS_RELAXED,
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"created-at": None,
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"updated-at": None}
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STATE_INITIAL = 'initial'
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STATE_BUILDING = 'building'
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STATE_BUILD_FAILED = 'build-failed'
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STATE_BUILD_TIMEOUT = 'build-timeout'
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STATE_READY_TO_APPLY = 'ready-to-apply'
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STATE_APPLYING = 'applying'
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STATE_APPLY_FAILED = 'apply-failed'
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STATE_APPLY_TIMEOUT = 'apply-timeout'
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STATE_APPLIED = 'applied'
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STATE_ABORTING = 'aborting'
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STATE_ABORT_FAILED = 'abort-failed'
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STATE_ABORT_TIMEOUT = 'abort-timeout'
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STATE_ABORTED = 'aborted'
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class VimClient(base.DriverBase):
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"""VIM driver."""
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def __init__(self, region, session):
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try:
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# The nfv_client doesn't support a session, so we need to
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# get an endpoint and token.
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self.endpoint = session.get_endpoint(service_type='nfv',
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region_name=region,
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interface='internal')
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self.token = session.get_token()
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except exceptions.ServiceUnavailable:
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raise
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def create_strategy(self, strategy_name, storage_apply_type,
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compute_apply_type, max_parallel_compute_hosts,
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default_instance_action, alarm_restrictions):
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"""Create orchestration strategy"""
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url = self.endpoint
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strategy = sw_update.create_strategy(
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self.token, url,
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strategy_name=strategy_name,
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controller_apply_type=APPLY_TYPE_SERIAL,
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storage_apply_type=storage_apply_type,
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swift_apply_type=APPLY_TYPE_IGNORE,
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compute_apply_type=compute_apply_type,
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max_parallel_compute_hosts=max_parallel_compute_hosts,
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default_instance_action=default_instance_action,
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alarm_restrictions=alarm_restrictions)
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if not strategy:
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raise Exception("Strategy creation failed")
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LOG.debug("Strategy created: %s" % strategy)
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return strategy
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def get_strategy(self, strategy_name):
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"""Get the current orchestration strategy"""
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url = self.endpoint
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strategy = sw_update.get_strategies(
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self.token, url,
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strategy_name=strategy_name)
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if not strategy:
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raise Exception("Get strategy failed")
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LOG.debug("Strategy: %s" % strategy)
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return strategy
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def delete_strategy(self, strategy_name):
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"""Delete the current orchestration strategy"""
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url = self.endpoint
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success = sw_update.delete_strategy(
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self.token, url,
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strategy_name=strategy_name)
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if not success:
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raise Exception("Delete strategy failed")
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LOG.debug("Strategy deleted")
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def apply_strategy(self, strategy_name):
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"""Apply the current orchestration strategy"""
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url = self.endpoint
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strategy = sw_update.apply_strategy(
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self.token, url,
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strategy_name=strategy_name)
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if not strategy:
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raise Exception("Strategy apply failed")
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LOG.debug("Strategy applied: %s" % strategy)
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return strategy
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def abort_strategy(self, strategy_name):
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"""Abort the current orchestration strategy"""
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url = self.endpoint
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strategy = sw_update.abort_strategy(
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self.token, url,
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strategy_name=strategy_name,
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stage_id=None)
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if not strategy:
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raise Exception("Strategy abort failed")
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LOG.debug("Strategy aborted: %s" % strategy)
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return strategy
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