1101 lines
48 KiB
Python
1101 lines
48 KiB
Python
# Copyright 2015 Intel Corporation.
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# All Rights Reserved.
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#
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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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import eventlet
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import importlib
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import os
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import sys
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import time
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from collections import OrderedDict
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from oslo_config import cfg
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from oslo_log import log as logging
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from oslo_serialization import jsonutils
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from oslo_utils import encodeutils
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from oslo_utils import excutils
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import yaml
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from tacker._i18n import _
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from tacker.common import exceptions
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from tacker.common import log
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from tacker.common import utils
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from tacker.extensions import vnflcm
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from tacker.extensions import vnfm
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from tacker import objects
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from tacker.tosca.utils import represent_odict
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from tacker.vnfm.infra_drivers import abstract_driver
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from tacker.vnfm.infra_drivers.openstack import constants as infra_cnst
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from tacker.vnfm.infra_drivers.openstack import glance_client as gc
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from tacker.vnfm.infra_drivers.openstack import heat_client as hc
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from tacker.vnfm.infra_drivers.openstack import translate_template
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from tacker.vnfm.infra_drivers.openstack import vdu
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from tacker.vnfm.infra_drivers import scale_driver
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from tacker.vnfm.lcm_user_data.constants import USER_DATA_TIMEOUT
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eventlet.monkey_patch(time=True)
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LOG = logging.getLogger(__name__)
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CONF = cfg.CONF
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OPTS = [
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cfg.IntOpt('stack_retries',
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default=60,
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help=_("Number of attempts to retry for stack"
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" creation/deletion")),
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cfg.IntOpt('stack_retry_wait',
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default=10,
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help=_("Wait time (in seconds) between consecutive stack"
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" create/delete retries")),
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]
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CONF.register_opts(OPTS, group='openstack_vim')
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def config_opts():
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return [('openstack_vim', OPTS)]
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# Global map of individual resource type and
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# incompatible properties, alternate properties pair for
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# upgrade/downgrade across all Heat template versions (starting Kilo)
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#
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# Maintains a dictionary of {"resource type": {dict of "incompatible
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# property": "alternate_prop"}}
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HEAT_VERSION_INCOMPATIBILITY_MAP = {'OS::Neutron::Port': {
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'port_security_enabled': 'value_specs', }, }
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HEAT_TEMPLATE_BASE = """
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heat_template_version: 2013-05-23
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"""
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OUTPUT_PREFIX = 'mgmt_ip-'
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ALARMING_POLICY = 'tosca.policies.tacker.Alarming'
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SCALING_POLICY = 'tosca.policies.tacker.Scaling'
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def get_scaling_policy_name(action, policy_name):
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return '%s_scale_%s' % (policy_name, action)
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class OpenStack(abstract_driver.VnfAbstractDriver,
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scale_driver.VnfScaleAbstractDriver):
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"""Openstack infra driver for hosting vnfs"""
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def __init__(self):
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super(OpenStack, self).__init__()
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self.STACK_RETRIES = cfg.CONF.openstack_vim.stack_retries
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self.STACK_RETRY_WAIT = cfg.CONF.openstack_vim.stack_retry_wait
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self.IMAGE_RETRIES = 10
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self.IMAGE_RETRY_WAIT = 10
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def get_type(self):
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return 'openstack'
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def get_name(self):
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return 'openstack'
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def get_description(self):
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return 'Openstack infra driver'
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@log.log
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def create(self, plugin, context, vnf, auth_attr,
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base_hot_dict=None, vnf_package_path=None,
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inst_req_info=None, grant_info=None):
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LOG.debug('vnf %s', vnf)
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region_name = vnf.get('placement_attr', {}).get('region_name', None)
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heatclient = hc.HeatClient(auth_attr, region_name)
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additional_param = None
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if inst_req_info is not None:
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additional_param = inst_req_info.additional_params
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user_data_path = None
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user_data_class = None
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if additional_param is not None:
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LOG.debug('additional_param: %s', additional_param)
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user_data_path = additional_param.get(
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'lcm-operation-user-data')
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user_data_class = additional_param.get(
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'lcm-operation-user-data-class')
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LOG.debug('UserData path: %s', user_data_path)
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LOG.debug('UserData class: %s', user_data_class)
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if user_data_path is not None and user_data_class is not None:
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LOG.info('Execute user data and create heat-stack.')
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if base_hot_dict is None:
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error_reason = _("failed to get Base HOT.")
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raise vnfm.LCMUserDataFailed(reason=error_reason)
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vnfd_str = vnf['vnfd']['attributes']['vnfd']
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vnfd_dict = yaml.safe_load(vnfd_str)
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LOG.debug('VNFD: %s', vnfd_dict)
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LOG.debug('VNF package path: %s', vnf_package_path)
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sys.path.append(vnf_package_path)
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user_data_module = os.path.splitext(
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user_data_path.lstrip('./'))[0].replace('/', '.')
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LOG.debug('UserData module: %s', user_data_module)
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LOG.debug('Append sys.path: %s', sys.path)
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try:
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module = importlib.import_module(user_data_module)
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LOG.debug('Append sys.modules: %s', sys.modules)
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except Exception:
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self._delete_user_data_module(user_data_module)
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error_reason = _(
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"failed to get UserData path based on "
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"lcm-operation-user-data from additionalParams.")
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raise vnfm.LCMUserDataFailed(reason=error_reason)
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finally:
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sys.path.remove(vnf_package_path)
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LOG.debug('Remove sys.path: %s', sys.path)
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try:
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klass = getattr(module, user_data_class)
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except Exception:
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self._delete_user_data_module(user_data_module)
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error_reason = _(
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"failed to get UserData class based on "
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"lcm-operation-user-data-class from additionalParams.")
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raise vnfm.LCMUserDataFailed(reason=error_reason)
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# Set the timeout and execute the UserData script.
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hot_param_dict = None
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with eventlet.timeout.Timeout(USER_DATA_TIMEOUT, False):
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try:
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hot_param_dict = klass.instantiate(
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base_hot_dict, vnfd_dict, inst_req_info, grant_info)
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except Exception:
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raise
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finally:
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self._delete_user_data_module(user_data_module)
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if hot_param_dict is not None:
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LOG.info('HOT input parameter: %s', hot_param_dict)
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else:
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error_reason = _(
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"fails due to timeout[sec]: %s") % USER_DATA_TIMEOUT
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raise vnfm.LCMUserDataFailed(reason=error_reason)
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if not isinstance(hot_param_dict, dict):
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error_reason = _(
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"return value as HOT parameter from UserData "
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"is not in dict format.")
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raise vnfm.LCMUserDataFailed(reason=error_reason)
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# Create heat-stack with BaseHOT and parameters
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stack = self._create_stack_with_user_data(
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heatclient, vnf, base_hot_dict, hot_param_dict)
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elif user_data_path is None and user_data_class is None:
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LOG.info('Execute heat-translator and create heat-stack.')
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tth = translate_template.TOSCAToHOT(vnf, heatclient,
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inst_req_info, grant_info)
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tth.generate_hot()
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stack = self._create_stack(heatclient, tth.vnf, tth.fields)
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else:
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error_reason = _(
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"failed to get lcm-operation-user-data or "
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"lcm-operation-user-data-class from additionalParams.")
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raise vnfm.LCMUserDataFailed(reason=error_reason)
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return stack['stack']['id']
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@log.log
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def _delete_user_data_module(self, user_data_module):
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# Delete module recursively.
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mp_list = user_data_module.split('.')
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while True:
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del_module = '.'.join(mp_list)
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print(del_module)
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if del_module in sys.modules:
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del sys.modules[del_module]
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if len(mp_list) == 1:
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break
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mp_list = mp_list[0:-1]
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LOG.debug('Remove sys.modules: %s', sys.modules)
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@log.log
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def _create_stack_with_user_data(self, heatclient, vnf,
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base_hot_dict, hot_param_dict):
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fields = {}
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fields['stack_name'] = ("vnflcm_" + vnf["id"])
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fields['template'] = self._format_base_hot(base_hot_dict)
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fields['parameters'] = hot_param_dict
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fields['timeout_mins'] = (
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self.STACK_RETRIES * self.STACK_RETRY_WAIT // 60)
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LOG.debug('fields: %s', fields)
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LOG.debug('template: %s', fields['template'])
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stack = heatclient.create(fields)
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return stack
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@log.log
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def _format_base_hot(self, base_hot_dict):
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yaml.SafeDumper.add_representer(OrderedDict,
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lambda dumper, value: represent_odict(dumper,
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u'tag:yaml.org,2002:map', value))
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return yaml.safe_dump(base_hot_dict)
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@log.log
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def _create_stack(self, heatclient, vnf, fields):
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if 'stack_name' not in fields:
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name = vnf['name'].replace(' ', '_') + '_' + vnf['id']
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if vnf['attributes'].get('failure_count'):
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name += ('-RESPAWN-%s') % str(vnf['attributes'][
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'failure_count'])
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fields['stack_name'] = name
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fields['timeout_mins'] = (
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self.STACK_RETRIES * self.STACK_RETRY_WAIT // 60)
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# service context is ignored
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LOG.debug('service_context: %s', vnf.get('service_context', []))
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LOG.debug('fields: %s', fields)
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LOG.debug('template: %s', fields['template'])
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stack = heatclient.create(fields)
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return stack
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@log.log
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def create_wait(self, plugin, context, vnf_dict, vnf_id, auth_attr):
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region_name = vnf_dict.get('placement_attr', {}).get(
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'region_name', None)
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heatclient = hc.HeatClient(auth_attr, region_name)
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stack = self._wait_until_stack_ready(
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vnf_id, auth_attr, infra_cnst.STACK_CREATE_IN_PROGRESS,
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infra_cnst.STACK_CREATE_COMPLETE,
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vnfm.VNFCreateWaitFailed, region_name=region_name)
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# scaling enabled
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if vnf_dict['attributes'].get('scaling_group_names'):
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group_names = jsonutils.loads(
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vnf_dict['attributes'].get('scaling_group_names')).values()
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mgmt_ips = self._find_mgmt_ips_from_groups(heatclient,
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vnf_id,
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group_names)
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else:
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mgmt_ips = self._find_mgmt_ips(stack.outputs)
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if mgmt_ips:
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vnf_dict['mgmt_ip_address'] = jsonutils.dump_as_bytes(mgmt_ips)
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def _wait_until_stack_ready(self, vnf_id, auth_attr, wait_status,
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expected_status, exception_class,
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region_name=None):
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heatclient = hc.HeatClient(auth_attr, region_name)
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stack_retries = self.STACK_RETRIES
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status = wait_status
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stack = None
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while stack_retries > 0:
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try:
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stack_retries = stack_retries - 1
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stack = heatclient.get(vnf_id)
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status = stack.stack_status
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if status == expected_status:
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LOG.debug('stack status: %(stack)s %(status)s',
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{'stack': str(stack), 'status': status})
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return stack
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time.sleep(self.STACK_RETRY_WAIT)
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LOG.debug('status: %s', status)
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except Exception:
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LOG.warning("VNF Instance setup may not have "
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"happened because Heat API request failed "
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"while waiting for the stack %(stack)s to be "
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"created", {'stack': vnf_id})
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# continue to avoid temporary connection error to target
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# VIM
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if stack_retries == 0 and status != expected_status:
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error_reason = _("action is not completed within {wait} "
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"seconds on stack {stack}").format(
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wait=(self.STACK_RETRIES *
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self.STACK_RETRY_WAIT),
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stack=vnf_id)
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raise exception_class(reason=error_reason)
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elif stack_retries != 0 and status != wait_status:
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error_reason = stack.stack_status_reason
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LOG.warning(error_reason)
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raise exception_class(reason=error_reason)
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def _find_mgmt_ips(self, outputs):
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LOG.debug('outputs %s', outputs)
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mgmt_ips = dict((output['output_key'][len(OUTPUT_PREFIX):],
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output['output_value'])
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for output in outputs
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if output.get('output_key',
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'').startswith(OUTPUT_PREFIX))
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return mgmt_ips
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@log.log
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def update(self, plugin, context, vnf_id, vnf_dict, vnf,
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auth_attr):
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region_name = vnf_dict.get('placement_attr', {}).get(
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'region_name', None)
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heatclient = hc.HeatClient(auth_attr, region_name)
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heatclient.get(vnf_id)
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update_param_yaml = vnf['vnf'].get('attributes', {}).get(
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'param_values', '')
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update_config_yaml = vnf['vnf'].get('attributes', {}).get(
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'config', '')
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if update_param_yaml:
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# conversion param_values
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param_yaml = vnf_dict.get('attributes', {}).get('param_values', '')
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param_dict = yaml.safe_load(param_yaml)
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update_param_dict = yaml.safe_load(update_param_yaml)
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# check update values
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update_values = {}
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for key, value in update_param_dict.items():
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if key not in param_dict or\
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update_param_dict[key] != param_dict[key]:
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update_values[key] = value
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if not update_values:
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error_reason = _("at vnf_id {} because all parameters "
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"match the existing one.").format(vnf_id)
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LOG.warning(error_reason)
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raise vnfm.VNFUpdateInvalidInput(reason=error_reason)
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# update vnf_dict
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utils.deep_update(param_dict, update_param_dict)
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new_param_yaml = yaml.safe_dump(param_dict)
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vnf_dict.setdefault(
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'attributes', {})['param_values'] = new_param_yaml
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# run stack update
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stack_update_param = {
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'parameters': update_values,
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'existing': True}
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heatclient.update(vnf_id, **stack_update_param)
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elif not update_param_yaml and not update_config_yaml:
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error_reason = _("at vnf_id {} because the target "
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"yaml is empty.").format(vnf_id)
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LOG.warning(error_reason)
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raise vnfm.VNFUpdateInvalidInput(reason=error_reason)
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# update config attribute
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config_yaml = vnf_dict.get('attributes', {}).get('config', '')
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LOG.debug('yaml orig %(orig)s update %(update)s',
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{'orig': config_yaml, 'update': update_config_yaml})
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# If config_yaml is None, yaml.safe_load() will raise Attribute Error.
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# So set config_yaml to {}, if it is None.
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if not config_yaml:
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config_dict = {}
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else:
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config_dict = yaml.safe_load(config_yaml) or {}
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update_dict = yaml.safe_load(update_config_yaml)
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if not update_dict:
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return
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LOG.debug('dict orig %(orig)s update %(update)s',
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{'orig': config_dict, 'update': update_dict})
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utils.deep_update(config_dict, update_dict)
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LOG.debug('dict new %(new)s update %(update)s',
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{'new': config_dict, 'update': update_dict})
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new_yaml = yaml.safe_dump(config_dict)
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vnf_dict.setdefault('attributes', {})['config'] = new_yaml
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@log.log
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def update_wait(self, plugin, context, vnf_dict, auth_attr,
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region_name=None):
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# do nothing but checking if the stack exists at the moment
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heatclient = hc.HeatClient(auth_attr, region_name)
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stack = heatclient.get(vnf_dict['instance_id'])
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mgmt_ips = self._find_mgmt_ips(stack.outputs)
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if mgmt_ips:
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vnf_dict['mgmt_ip_address'] = jsonutils.dump_as_bytes(mgmt_ips)
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@log.log
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def heal_wait(self, plugin, context, vnf_dict, auth_attr,
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region_name=None):
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stack = self._wait_until_stack_ready(vnf_dict['instance_id'],
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auth_attr, infra_cnst.STACK_UPDATE_IN_PROGRESS,
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infra_cnst.STACK_UPDATE_COMPLETE,
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vnfm.VNFHealWaitFailed, region_name=region_name)
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mgmt_ips = self._find_mgmt_ips(stack.outputs)
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if mgmt_ips:
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vnf_dict['mgmt_ip_address'] = jsonutils.dump_as_bytes(mgmt_ips)
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@log.log
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def delete(self, plugin, context, vnf_id, auth_attr, region_name=None):
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heatclient = hc.HeatClient(auth_attr, region_name)
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heatclient.delete(vnf_id)
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@log.log
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def delete_wait(self, plugin, context, vnf_id, auth_attr,
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region_name=None):
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self._wait_until_stack_ready(vnf_id, auth_attr,
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infra_cnst.STACK_DELETE_IN_PROGRESS,
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infra_cnst.STACK_DELETE_COMPLETE, vnfm.VNFDeleteWaitFailed,
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region_name=region_name)
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@classmethod
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def _find_mgmt_ips_from_groups(cls, heat_client, instance_id, group_names):
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def _find_mgmt_ips(attributes):
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mgmt_ips = {}
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for k, v in attributes.items():
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if k.startswith(OUTPUT_PREFIX):
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mgmt_ips[k.replace(OUTPUT_PREFIX, '')] = v
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return mgmt_ips
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mgmt_ips = {}
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for group_name in group_names:
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# Get scale group
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grp = heat_client.resource_get(instance_id, group_name)
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for rsc in heat_client.resource_get_list(grp.physical_resource_id):
|
|
# Get list of resources in scale group
|
|
scale_rsc = heat_client.resource_get(grp.physical_resource_id,
|
|
rsc.resource_name)
|
|
|
|
# findout the mgmt ips from attributes
|
|
for k, v in _find_mgmt_ips(scale_rsc.attributes).items():
|
|
if k not in mgmt_ips:
|
|
mgmt_ips[k] = [v]
|
|
else:
|
|
mgmt_ips[k].append(v)
|
|
|
|
return mgmt_ips
|
|
|
|
@log.log
|
|
def scale(self, context, plugin, auth_attr, policy, region_name):
|
|
heatclient = hc.HeatClient(auth_attr, region_name)
|
|
policy_rsc = get_scaling_policy_name(policy_name=policy['name'],
|
|
action=policy['action'])
|
|
events = heatclient.resource_event_list(policy['instance_id'],
|
|
policy_rsc, limit=1,
|
|
sort_dir='desc',
|
|
sort_keys='event_time')
|
|
|
|
heatclient.resource_signal(policy['instance_id'], policy_rsc)
|
|
return events[0].id
|
|
|
|
@log.log
|
|
def scale_wait(self, context, plugin, auth_attr, policy, region_name,
|
|
last_event_id):
|
|
heatclient = hc.HeatClient(auth_attr, region_name)
|
|
|
|
# TODO(kanagaraj-manickam) make wait logic into separate utility method
|
|
# and make use of it here and other actions like create and delete
|
|
stack_retries = self.STACK_RETRIES
|
|
while (True):
|
|
try:
|
|
time.sleep(self.STACK_RETRY_WAIT)
|
|
stack_id = policy['instance_id']
|
|
policy_name = get_scaling_policy_name(
|
|
policy_name=policy['name'], action=policy['action'])
|
|
events = heatclient.resource_event_list(stack_id, policy_name,
|
|
limit=1,
|
|
sort_dir='desc',
|
|
sort_keys='event_time')
|
|
|
|
if events[0].id != last_event_id:
|
|
if events[0].resource_status == 'SIGNAL_COMPLETE':
|
|
break
|
|
else:
|
|
# When the number of instance reaches min or max, the below
|
|
# comparision will let VNF status turn into ACTIVE state.
|
|
if events[0].resource_status == 'CREATE_COMPLETE' or \
|
|
events[0].resource_status == 'SIGNAL_COMPLETE':
|
|
break
|
|
except Exception as e:
|
|
error_reason = _("VNF scaling failed for stack %(stack)s with "
|
|
"error %(error)s") % {
|
|
'stack': policy['instance_id'],
|
|
'error': str(e)}
|
|
LOG.warning(error_reason)
|
|
raise vnfm.VNFScaleWaitFailed(vnf_id=policy['vnf']['id'],
|
|
reason=error_reason)
|
|
|
|
if stack_retries == 0:
|
|
metadata = heatclient.resource_metadata(stack_id, policy_name)
|
|
if not metadata['scaling_in_progress']:
|
|
error_reason = _('When signal occurred within cool down '
|
|
'window, no events generated from heat, '
|
|
'so ignore it')
|
|
LOG.warning(error_reason)
|
|
break
|
|
error_reason = _(
|
|
"VNF scaling failed to complete within %(wait)s seconds "
|
|
"while waiting for the stack %(stack)s to be "
|
|
"scaled.") % {'stack': stack_id,
|
|
'wait': self.STACK_RETRIES *
|
|
self.STACK_RETRY_WAIT}
|
|
LOG.warning(error_reason)
|
|
raise vnfm.VNFScaleWaitFailed(vnf_id=policy['vnf']['id'],
|
|
reason=error_reason)
|
|
stack_retries -= 1
|
|
|
|
def _fill_scaling_group_name():
|
|
vnf = policy['vnf']
|
|
scaling_group_names = vnf['attributes']['scaling_group_names']
|
|
policy['group_name'] = jsonutils.loads(
|
|
scaling_group_names)[policy['name']]
|
|
|
|
_fill_scaling_group_name()
|
|
|
|
mgmt_ips = self._find_mgmt_ips_from_groups(heatclient,
|
|
policy['instance_id'],
|
|
[policy['group_name']])
|
|
|
|
return jsonutils.dump_as_bytes(mgmt_ips)
|
|
|
|
@log.log
|
|
def get_resource_info(self, plugin, context, vnf_info, auth_attr,
|
|
region_name=None):
|
|
instance_id = vnf_info['instance_id']
|
|
heatclient = hc.HeatClient(auth_attr, region_name)
|
|
try:
|
|
# nested_depth=2 is used to get VDU resources
|
|
# in case of nested template
|
|
resources_ids =\
|
|
heatclient.resource_get_list(instance_id, nested_depth=2)
|
|
details_dict = {resource.resource_name:
|
|
{"id": resource.physical_resource_id,
|
|
"type": resource.resource_type}
|
|
for resource in resources_ids}
|
|
return details_dict
|
|
# Raise exception when Heat API service is not available
|
|
except Exception:
|
|
raise vnfm.InfraDriverUnreachable(service="Heat API service")
|
|
|
|
def heal_vdu(self, plugin, context, vnf_dict, heal_request_data_obj):
|
|
try:
|
|
heal_vdu = vdu.Vdu(context, vnf_dict, heal_request_data_obj)
|
|
heal_vdu.heal_vdu()
|
|
except Exception:
|
|
LOG.error("VNF '%s' failed to heal", vnf_dict['id'])
|
|
raise vnfm.VNFHealFailed(vnf_id=vnf_dict['id'])
|
|
|
|
@log.log
|
|
def pre_instantiation_vnf(self, context, vnf_instance,
|
|
vim_connection_info, vnf_software_images):
|
|
glance_client = gc.GlanceClient(vim_connection_info)
|
|
vnf_resources = {}
|
|
|
|
def _roll_back_images():
|
|
# Delete all previously created images for vnf
|
|
for key, resources in vnf_resources.items():
|
|
for vnf_resource in resources:
|
|
try:
|
|
glance_client.delete(vnf_resource.resource_identifier)
|
|
except Exception:
|
|
LOG.error("Failed to delete image %(uuid)s "
|
|
"for vnf %(id)s",
|
|
{"uuid": vnf_resource.resource_identifier,
|
|
"id": vnf_instance.id})
|
|
|
|
for node_name, vnf_sw_image in vnf_software_images.items():
|
|
name = vnf_sw_image.name
|
|
image_path = vnf_sw_image.image_path
|
|
is_url = utils.is_url(image_path)
|
|
|
|
if not is_url:
|
|
filename = image_path
|
|
else:
|
|
filename = None
|
|
|
|
try:
|
|
LOG.info("Creating image %(name)s for vnf %(id)s",
|
|
{"name": name, "id": vnf_instance.id})
|
|
|
|
image_data = {"min_disk": vnf_sw_image.min_disk,
|
|
"min_ram": vnf_sw_image.min_ram,
|
|
"disk_format": vnf_sw_image.disk_format,
|
|
"container_format": vnf_sw_image.container_format,
|
|
"visibility": "private"}
|
|
|
|
if filename:
|
|
image_data.update({"filename": filename})
|
|
|
|
image = glance_client.create(name, **image_data)
|
|
|
|
LOG.info("Image %(name)s created successfully for vnf %(id)s",
|
|
{"name": name, "id": vnf_instance.id})
|
|
except Exception as exp:
|
|
with excutils.save_and_reraise_exception():
|
|
exp.reraise = False
|
|
LOG.error("Failed to create image %(name)s for vnf %(id)s "
|
|
"due to error: %(error)s",
|
|
{"name": name, "id": vnf_instance.id,
|
|
"error": encodeutils.exception_to_unicode(exp)})
|
|
|
|
# Delete previously created images
|
|
_roll_back_images()
|
|
|
|
raise exceptions.VnfPreInstantiationFailed(
|
|
id=vnf_instance.id,
|
|
error=encodeutils.exception_to_unicode(exp))
|
|
try:
|
|
if is_url:
|
|
glance_client.import_image(image, image_path)
|
|
|
|
self._image_create_wait(image.id, vnf_sw_image, glance_client,
|
|
'active', vnflcm.ImageCreateWaitFailed)
|
|
|
|
vnf_resource = objects.VnfResource(context=context,
|
|
vnf_instance_id=vnf_instance.id,
|
|
resource_name=name, resource_type="image",
|
|
resource_status="CREATED", resource_identifier=image.id)
|
|
vnf_resources[node_name] = [vnf_resource]
|
|
except Exception as exp:
|
|
with excutils.save_and_reraise_exception():
|
|
exp.reraise = False
|
|
LOG.error("Image %(name)s not active for vnf %(id)s "
|
|
"error: %(error)s",
|
|
{"name": name, "id": vnf_instance.id,
|
|
"error": encodeutils.exception_to_unicode(exp)})
|
|
|
|
err_msg = "Failed to delete image %(uuid)s for vnf %(id)s"
|
|
# Delete the image
|
|
try:
|
|
glance_client.delete(image.id)
|
|
except Exception:
|
|
LOG.error(err_msg, {"uuid": image.id,
|
|
"id": vnf_instance.id})
|
|
|
|
# Delete all previously created images for vnf
|
|
_roll_back_images()
|
|
|
|
raise exceptions.VnfPreInstantiationFailed(
|
|
id=vnf_instance.id,
|
|
error=encodeutils.exception_to_unicode(exp))
|
|
|
|
return vnf_resources
|
|
|
|
def _image_create_wait(self, image_uuid, vnf_software_image, glance_client,
|
|
expected_status, exception_class):
|
|
retries = self.IMAGE_RETRIES
|
|
|
|
while retries > 0:
|
|
retries = retries - 1
|
|
image = glance_client.get(image_uuid)
|
|
status = image.status
|
|
if status == expected_status:
|
|
# NOTE(tpatil): If image is uploaded using import_image
|
|
# ,sdk doesn't validate checksum. So, verify checksum/hash
|
|
# for both scenarios upload from file and URL here.
|
|
if vnf_software_image.hash != image.hash_value:
|
|
msg = ("Image %(image_uuid)s checksum verification failed."
|
|
" Glance calculated checksum is %(hash_algo)s:"
|
|
"%(hash_value)s. Checksum in VNFD is "
|
|
"%(image_hash_algo)s:%(image_hash_value)s.")
|
|
raise Exception(msg % {"image_uuid": image_uuid,
|
|
"hash_algo": image.hash_algo,
|
|
"hash_value": image.hash_value,
|
|
"image_hash_algo": vnf_software_image.algorithm,
|
|
"image_hash_value": vnf_software_image.hash})
|
|
|
|
LOG.debug('Image status: %(image_uuid)s %(status)s',
|
|
{'image_uuid': image_uuid, 'status': status})
|
|
return True
|
|
time.sleep(self.IMAGE_RETRY_WAIT)
|
|
LOG.debug('Image %(image_uuid)s status: %(status)s',
|
|
{"image_uuid": image_uuid, "status": status})
|
|
|
|
if retries == 0 and image.status != expected_status:
|
|
error_reason = ("Image {image_uuid} could not get active "
|
|
"within {wait} seconds").format(
|
|
wait=(self.IMAGE_RETRIES *
|
|
self.IMAGE_RETRY_WAIT),
|
|
image_uuid=image_uuid)
|
|
raise exception_class(reason=error_reason)
|
|
|
|
@log.log
|
|
def delete_vnf_instance_resource(self, context, vnf_instance,
|
|
vim_connection_info, vnf_resource):
|
|
LOG.info("Deleting resource '%(name)s' of type ' %(type)s' for vnf "
|
|
"%(id)s", {"type": vnf_resource.resource_type,
|
|
"name": vnf_resource.resource_name,
|
|
"id": vnf_instance.id})
|
|
glance_client = gc.GlanceClient(vim_connection_info)
|
|
try:
|
|
glance_client.delete(vnf_resource.resource_identifier)
|
|
LOG.info("Deleted resource '%(name)s' of type ' %(type)s' for vnf "
|
|
"%(id)s", {"type": vnf_resource.resource_type,
|
|
"name": vnf_resource.resource_name,
|
|
"id": vnf_instance.id})
|
|
except Exception:
|
|
LOG.info("Failed to delete resource '%(name)s' of type"
|
|
" %(type)s' for vnf %(id)s",
|
|
{"type": vnf_resource.resource_type,
|
|
"name": vnf_resource.resource_name,
|
|
"id": vnf_instance.id})
|
|
|
|
def instantiate_vnf(self, context, vnf_instance, vnfd_dict,
|
|
vim_connection_info, instantiate_vnf_req,
|
|
grant_response,
|
|
base_hot_dict=None, vnf_package_path=None):
|
|
access_info = vim_connection_info.access_info
|
|
region_name = access_info.get('region')
|
|
placement_attr = vnfd_dict.get('placement_attr', {})
|
|
placement_attr.update({'region_name': region_name})
|
|
vnfd_dict['placement_attr'] = placement_attr
|
|
|
|
instance_id = self.create(None, context, vnfd_dict,
|
|
access_info, base_hot_dict, vnf_package_path,
|
|
inst_req_info=instantiate_vnf_req,
|
|
grant_info=grant_response)
|
|
vnfd_dict['instance_id'] = instance_id
|
|
return instance_id
|
|
|
|
@log.log
|
|
def post_vnf_instantiation(self, context, vnf_instance,
|
|
vim_connection_info):
|
|
inst_vnf_info = vnf_instance.instantiated_vnf_info
|
|
access_info = vim_connection_info.access_info
|
|
|
|
heatclient = hc.HeatClient(access_info,
|
|
region_name=access_info.get('region'))
|
|
stack_resources = self._get_stack_resources(
|
|
inst_vnf_info.instance_id, heatclient)
|
|
|
|
self._update_vnfc_resources(vnf_instance, stack_resources)
|
|
|
|
def _update_resource_handle(self, vnf_instance, resource_handle,
|
|
stack_resources, resource_name):
|
|
if not stack_resources:
|
|
LOG.warning("Failed to set resource handle for resource "
|
|
"%(resource)s for vnf %(id)s", {"resource": resource_name,
|
|
"id": vnf_instance.id})
|
|
return
|
|
|
|
resource_data = stack_resources.pop(resource_name, None)
|
|
if not resource_data:
|
|
LOG.warning("Failed to set resource handle for resource "
|
|
"%(resource)s for vnf %(id)s",
|
|
{"resource": resource_name, "id": vnf_instance.id})
|
|
return
|
|
|
|
resource_handle.resource_id = resource_data.get(
|
|
'physical_resource_id')
|
|
resource_handle.vim_level_resource_type = resource_data.get(
|
|
'resource_type')
|
|
|
|
def _update_vnfc_resource_info(self, vnf_instance, vnfc_res_info,
|
|
stack_resources, update_network_resource=True):
|
|
inst_vnf_info = vnf_instance.instantiated_vnf_info
|
|
|
|
def _pop_stack_resources(resource_name):
|
|
for stack_id, resources in stack_resources.items():
|
|
if resource_name in resources.keys():
|
|
return stack_id, resources
|
|
return None, {}
|
|
|
|
def _populate_virtual_link_resource_info(vnf_virtual_link_desc_id,
|
|
pop_resources):
|
|
vnf_virtual_link_resource_info = \
|
|
inst_vnf_info.vnf_virtual_link_resource_info
|
|
for vnf_vl_resource_info in vnf_virtual_link_resource_info:
|
|
if (vnf_vl_resource_info.vnf_virtual_link_desc_id !=
|
|
vnf_virtual_link_desc_id):
|
|
continue
|
|
|
|
vl_resource_data = pop_resources.pop(
|
|
vnf_virtual_link_desc_id, None)
|
|
if not vl_resource_data:
|
|
_, resources = _pop_stack_resources(
|
|
vnf_virtual_link_desc_id)
|
|
if not resources:
|
|
# NOTE(tpatil): network_resource is already set
|
|
# from the instantiatevnfrequest during instantiation.
|
|
continue
|
|
vl_resource_data = resources.get(
|
|
vnf_virtual_link_desc_id)
|
|
|
|
resource_handle = vnf_vl_resource_info.network_resource
|
|
resource_handle.resource_id = \
|
|
vl_resource_data.get('physical_resource_id')
|
|
resource_handle.vim_level_resource_type = \
|
|
vl_resource_data.get('resource_type')
|
|
|
|
def _populate_virtual_link_port(vnfc_cp_info, pop_resources):
|
|
vnf_virtual_link_resource_info = \
|
|
inst_vnf_info.vnf_virtual_link_resource_info
|
|
for vnf_vl_resource_info in vnf_virtual_link_resource_info:
|
|
vl_link_port_found = False
|
|
for vl_link_port in vnf_vl_resource_info.vnf_link_ports:
|
|
if vl_link_port.cp_instance_id == vnfc_cp_info.id:
|
|
vl_link_port_found = True
|
|
self._update_resource_handle(vnf_instance,
|
|
vl_link_port.resource_handle, pop_resources,
|
|
vnfc_cp_info.cpd_id)
|
|
|
|
if vl_link_port_found:
|
|
yield vnf_vl_resource_info.vnf_virtual_link_desc_id
|
|
|
|
def _populate_virtual_storage(vnfc_resource_info, pop_resources):
|
|
virtual_storage_resource_info = inst_vnf_info. \
|
|
virtual_storage_resource_info
|
|
for storage_id in vnfc_resource_info.storage_resource_ids:
|
|
for vir_storage_res_info in virtual_storage_resource_info:
|
|
if vir_storage_res_info.id == storage_id:
|
|
self._update_resource_handle(vnf_instance,
|
|
vir_storage_res_info.storage_resource,
|
|
pop_resources,
|
|
vir_storage_res_info.virtual_storage_desc_id)
|
|
break
|
|
|
|
stack_id, pop_resources = _pop_stack_resources(
|
|
vnfc_res_info.vdu_id)
|
|
|
|
self._update_resource_handle(vnf_instance,
|
|
vnfc_res_info.compute_resource, pop_resources,
|
|
vnfc_res_info.vdu_id)
|
|
|
|
vnfc_res_info.metadata.update({"stack_id": stack_id})
|
|
_populate_virtual_storage(vnfc_res_info, pop_resources)
|
|
|
|
# Find out associated VLs, and CP used by vdu_id
|
|
virtual_links = set()
|
|
for vnfc_cp_info in vnfc_res_info.vnfc_cp_info:
|
|
for vl_desc_id in _populate_virtual_link_port(vnfc_cp_info,
|
|
pop_resources):
|
|
virtual_links.add(vl_desc_id)
|
|
|
|
if update_network_resource:
|
|
for vl_desc_id in virtual_links:
|
|
_populate_virtual_link_resource_info(vl_desc_id,
|
|
pop_resources)
|
|
|
|
def _update_ext_managed_virtual_link_ports(self, inst_vnf_info,
|
|
ext_managed_vl_info):
|
|
vnf_virtual_link_resource_info = \
|
|
inst_vnf_info.vnf_virtual_link_resource_info
|
|
|
|
def _update_link_port(vl_port):
|
|
for ext_vl_port in ext_managed_vl_info.vnf_link_ports:
|
|
if vl_port.id == ext_vl_port.id:
|
|
# Update the resource_id
|
|
ext_vl_port.resource_handle.resource_id =\
|
|
vl_port.resource_handle.resource_id
|
|
ext_vl_port.resource_handle.vim_level_resource_type =\
|
|
vl_port.resource_handle.vim_level_resource_type
|
|
break
|
|
|
|
for vnf_vl_resource_info in vnf_virtual_link_resource_info:
|
|
if (vnf_vl_resource_info.vnf_virtual_link_desc_id !=
|
|
ext_managed_vl_info.vnf_virtual_link_desc_id):
|
|
continue
|
|
|
|
for vl_port in vnf_vl_resource_info.vnf_link_ports:
|
|
_update_link_port(vl_port)
|
|
|
|
def _update_vnfc_resources(self, vnf_instance, stack_resources):
|
|
inst_vnf_info = vnf_instance.instantiated_vnf_info
|
|
for vnfc_res_info in inst_vnf_info.vnfc_resource_info:
|
|
self._update_vnfc_resource_info(vnf_instance, vnfc_res_info,
|
|
stack_resources)
|
|
|
|
# update vnf_link_ports of ext_managed_virtual_link_info using already
|
|
# populated vnf_link_ports from vnf_virtual_link_resource_info.
|
|
for ext_mng_vl_info in inst_vnf_info.ext_managed_virtual_link_info:
|
|
self._update_ext_managed_virtual_link_ports(inst_vnf_info,
|
|
ext_mng_vl_info)
|
|
|
|
def _get_stack_resources(self, stack_id, heatclient):
|
|
def _stack_ids(stack_id):
|
|
filters = {
|
|
"owner_id": stack_id,
|
|
"show_nested": True
|
|
}
|
|
yield stack_id
|
|
for stack in heatclient.stacks.list(**{"filters": filters}):
|
|
if stack.parent and stack.parent == stack_id:
|
|
for x in _stack_ids(stack.id):
|
|
yield x
|
|
|
|
resource_details = {}
|
|
for id in _stack_ids(stack_id):
|
|
resources = {}
|
|
child_stack = False if id == stack_id else True
|
|
for stack_resource in heatclient.resources.list(id):
|
|
resource_data = {"resource_type":
|
|
stack_resource.resource_type,
|
|
"physical_resource_id":
|
|
stack_resource.physical_resource_id}
|
|
resources[stack_resource.resource_name] = resource_data
|
|
resource_details[id] = resources
|
|
resource_details[id].update({'child_stack': child_stack})
|
|
|
|
return resource_details
|
|
|
|
def _get_vnfc_resources_from_heal_request(self, inst_vnf_info,
|
|
heal_vnf_request):
|
|
if not heal_vnf_request.vnfc_instance_id:
|
|
# include all vnfc resources
|
|
return [resource for resource in inst_vnf_info.vnfc_resource_info]
|
|
|
|
vnfc_resources = []
|
|
for vnfc_resource in inst_vnf_info.vnfc_resource_info:
|
|
if vnfc_resource.id in heal_vnf_request.vnfc_instance_id:
|
|
vnfc_resources.append(vnfc_resource)
|
|
return vnfc_resources
|
|
|
|
@log.log
|
|
def heal_vnf(self, context, vnf_instance, vim_connection_info,
|
|
heal_vnf_request):
|
|
access_info = vim_connection_info.access_info
|
|
region_name = access_info.get('region')
|
|
inst_vnf_info = vnf_instance.instantiated_vnf_info
|
|
heatclient = hc.HeatClient(access_info, region_name=region_name)
|
|
|
|
def _get_storage_resources(vnfc_resource):
|
|
# Prepare list of storage resources to be marked unhealthy
|
|
for storage_id in vnfc_resource.storage_resource_ids:
|
|
for storage_res_info in inst_vnf_info. \
|
|
virtual_storage_resource_info:
|
|
if storage_res_info.id == storage_id:
|
|
yield storage_res_info.virtual_storage_desc_id, \
|
|
storage_res_info.storage_resource.resource_id
|
|
|
|
def _get_vdu_resources(vnfc_resources):
|
|
# Prepare list of vdu resources to be marked unhealthy
|
|
vdu_resources = []
|
|
for vnfc_resource in vnfc_resources:
|
|
resource_details = {"resource_name": vnfc_resource.vdu_id,
|
|
"physical_resource_id":
|
|
vnfc_resource.compute_resource.resource_id}
|
|
vdu_resources.append(resource_details)
|
|
|
|
# Get storage resources
|
|
for resource_name, resource_id in \
|
|
_get_storage_resources(vnfc_resource):
|
|
resource_details = {"resource_name": resource_name,
|
|
"physical_resource_id": resource_id}
|
|
vdu_resources.append(resource_details)
|
|
|
|
return vdu_resources
|
|
|
|
def _prepare_stack_resources_for_updation(vdu_resources,
|
|
stack_resources):
|
|
for resource in vdu_resources:
|
|
for stack_uuid, resources in stack_resources.items():
|
|
res_details = resources.get(resource['resource_name'])
|
|
if (res_details and res_details['physical_resource_id'] ==
|
|
resource['physical_resource_id']):
|
|
yield stack_uuid, resource['resource_name']
|
|
|
|
def _resource_mark_unhealthy():
|
|
vnfc_resources = self._get_vnfc_resources_from_heal_request(
|
|
inst_vnf_info, heal_vnf_request)
|
|
|
|
vdu_resources = _get_vdu_resources(vnfc_resources)
|
|
stack_resources = self._get_stack_resources(
|
|
inst_vnf_info.instance_id, heatclient)
|
|
|
|
cause = heal_vnf_request.cause or "Healing"
|
|
for stack_uuid, resource_name in \
|
|
_prepare_stack_resources_for_updation(
|
|
vdu_resources, stack_resources):
|
|
try:
|
|
LOG.info("Marking resource %(resource)s as unhealthy for "
|
|
"stack %(stack)s for vnf instance %(id)s",
|
|
{"resource": resource_name,
|
|
"stack": stack_uuid,
|
|
"id": vnf_instance.id})
|
|
|
|
heatclient.resource_mark_unhealthy(
|
|
stack_id=stack_uuid,
|
|
resource_name=resource_name, mark_unhealthy=True,
|
|
resource_status_reason=cause)
|
|
except Exception as exp:
|
|
msg = ("Failed to mark stack '%(stack_id)s' resource as "
|
|
"unhealthy for resource '%(resource)s', "
|
|
"Error: %(error)s")
|
|
raise exceptions.VnfHealFailed(id=vnf_instance.id,
|
|
error=msg % {"stack_id": inst_vnf_info.instance_id,
|
|
"resource": resource_name,
|
|
"error": str(exp)})
|
|
|
|
def _get_stack_status():
|
|
stack_statuses = ["CREATE_COMPLETE", "UPDATE_COMPLETE"]
|
|
stack = heatclient.get(inst_vnf_info.instance_id)
|
|
if stack.stack_status not in stack_statuses:
|
|
error = ("Healing of vnf instance %(id)s is possible only "
|
|
"when stack %(stack_id)s status is %(statuses)s, "
|
|
"current stack status is %(status)s")
|
|
raise exceptions.VnfHealFailed(id=vnf_instance.id,
|
|
error=error % {"id": vnf_instance.id,
|
|
"stack_id": inst_vnf_info.instance_id,
|
|
"statuses": ",".join(stack_statuses),
|
|
"status": stack.stack_status})
|
|
|
|
_get_stack_status()
|
|
_resource_mark_unhealthy()
|
|
|
|
LOG.info("Updating stack %(stack)s for vnf instance %(id)s",
|
|
{"stack": inst_vnf_info.instance_id, "id": vnf_instance.id})
|
|
|
|
heatclient.update(stack_id=inst_vnf_info.instance_id, existing=True)
|
|
|
|
@log.log
|
|
def heal_vnf_wait(self, context, vnf_instance, vim_connection_info):
|
|
"""Check vnf is healed successfully"""
|
|
|
|
access_info = vim_connection_info.access_info
|
|
region_name = access_info.get('region')
|
|
inst_vnf_info = vnf_instance.instantiated_vnf_info
|
|
stack = self._wait_until_stack_ready(inst_vnf_info.instance_id,
|
|
access_info, infra_cnst.STACK_UPDATE_IN_PROGRESS,
|
|
infra_cnst.STACK_UPDATE_COMPLETE, vnfm.VNFHealWaitFailed,
|
|
region_name=region_name)
|
|
return stack
|
|
|
|
def post_heal_vnf(self, context, vnf_instance, vim_connection_info,
|
|
heal_vnf_request):
|
|
"""Update resource_id for each vnfc resources
|
|
|
|
:param context: A RequestContext
|
|
:param vnf_instance: tacker.objects.VnfInstance to be healed
|
|
:vim_info: Credentials to initialize Vim connection
|
|
:heal_vnf_request: tacker.objects.HealVnfRequest object containing
|
|
parameters passed in the heal request
|
|
"""
|
|
access_info = vim_connection_info.access_info
|
|
region_name = access_info.get('region')
|
|
|
|
heatclient = hc.HeatClient(access_info, region_name)
|
|
inst_vnf_info = vnf_instance.instantiated_vnf_info
|
|
stack_resources = self._get_stack_resources(inst_vnf_info.instance_id,
|
|
heatclient)
|
|
|
|
vnfc_resources = self._get_vnfc_resources_from_heal_request(
|
|
inst_vnf_info, heal_vnf_request)
|
|
for vnfc_res_info in vnfc_resources:
|
|
stack_id = vnfc_res_info.metadata.get("stack_id")
|
|
resources = stack_resources.get(stack_id)
|
|
if not resources:
|
|
# NOTE(tpatil): This could happen when heat child stacks
|
|
# and the stack_id stored in metadata of vnfc_res_info are
|
|
# not in sync. There is no point in syncing inconsistent
|
|
# resources information so exit with an error,
|
|
error = "Failed to find stack_id %s" % stack_id
|
|
raise exceptions.VnfHealFailed(id=vnf_instance.id,
|
|
error=error)
|
|
|
|
self._update_vnfc_resource_info(vnf_instance, vnfc_res_info,
|
|
{stack_id: resources}, update_network_resource=False)
|