94 lines
3.9 KiB
Python
94 lines
3.9 KiB
Python
# Copyright 2018 NTT DATA
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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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from oslo_config import cfg
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from oslo_log import log as logging
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from tacker.plugins.common import constants
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from tacker.vnfm.infra_drivers.openstack import heat_client as hc
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from tacker.vnfm import utils as vnfm_utils
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from tacker.vnfm import vim_client
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LOG = logging.getLogger(__name__)
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CONF = cfg.CONF
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class Vdu(object):
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def __init__(self, context, vnf_dict, heal_request_data_obj):
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super(Vdu, self).__init__()
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self.context = context
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self.vnf_dict = vnf_dict
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self.heal_request_data_obj = heal_request_data_obj
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self.stack_id = self.heal_request_data_obj.stack_id
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vim_id = self.vnf_dict['vim_id']
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vim_res = vim_client.VimClient().get_vim(context, vim_id)
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placement_attr = vnf_dict.get('placement_attr', {})
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auth_attr = vim_res['vim_auth']
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region_name = placement_attr.get('region_name', None)
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self.heat_client = hc.HeatClient(auth_attr=auth_attr,
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region_name=region_name)
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def _get_resource_status(self, stack_id, rsc_name):
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# Get the status of VDU resource from heat
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vdu_resource = self.heat_client.resource_get(stack_id=stack_id,
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rsc_name=rsc_name)
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return vdu_resource.resource_status
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def _resource_mark_unhealthy(self):
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"""Mark the resource unhealthy using heat."""
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additional_params = self.heal_request_data_obj.\
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legacy_additional_params
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for additional_param in additional_params:
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resource_name = additional_param.parameter
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res_status = self._get_resource_status(self.stack_id,
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resource_name)
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if res_status != 'CHECK_FAILED':
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self.heat_client.resource_mark_unhealthy(
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stack_id=self.stack_id,
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resource_name=resource_name, mark_unhealthy=True,
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resource_status_reason=additional_param.cause)
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LOG.debug("Heat stack '%s' resource '%s' marked as "
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"unhealthy", self.stack_id,
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resource_name)
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evt_details = (("HealVnfRequest invoked to mark resource "
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"'%s' to unhealthy.") % resource_name)
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vnfm_utils.log_events(self.context, self.vnf_dict,
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constants.RES_EVT_HEAL,
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evt_details)
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else:
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LOG.debug("Heat stack '%s' resource '%s' already mark "
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"unhealthy.", self.stack_id,
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resource_name)
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def heal_vdu(self):
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"""Update stack using heat.
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This will re-create the resource which are mark as unhealthy.
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"""
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# Mark all the resources as unhealthy
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self._resource_mark_unhealthy()
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self.heat_client.update(stack_id=self.stack_id,
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existing=True)
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LOG.debug("Heat stack '%s' update initiated to revive "
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"unhealthy resources.", self.stack_id)
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evt_details = (("HealVnfRequest invoked to update the stack "
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"'%s'") % self.stack_id)
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vnfm_utils.log_events(self.context, self.vnf_dict,
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constants.RES_EVT_HEAL, evt_details)
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