vitrage/vitrage/datasources/nagios/transformer.py

98 lines
3.9 KiB
Python

# Copyright 2016 - Nokia
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
from vitrage.common.constants import DatasourceProperties as DSProps
from vitrage.common.constants import EdgeLabel
from vitrage.common.constants import EntityCategory
from vitrage.common.constants import VertexProperties as VProps
from vitrage.datasources.alarm_transformer_base import AlarmTransformerBase
from vitrage.datasources.nagios import NAGIOS_DATASOURCE
from vitrage.datasources.nagios.properties import NagiosProperties
from vitrage.datasources.nagios.properties import NagiosTestStatus
from vitrage.datasources import transformer_base as tbase
import vitrage.graph.utils as graph_utils
from vitrage.utils import datetime as datetime_utils
class NagiosTransformer(AlarmTransformerBase):
def __init__(self, transformers, conf):
super(NagiosTransformer, self).__init__(transformers, conf)
def _create_snapshot_entity_vertex(self, entity_event):
return self._create_vertex(entity_event)
def _create_update_entity_vertex(self, entity_event):
return self._create_vertex(entity_event)
def _create_vertex(self, entity_event):
update_timestamp = datetime_utils.change_to_utc_time_and_format(
entity_event[NagiosProperties.LAST_CHECK],
'%Y-%m-%d %H:%M:%S',
tbase.TIMESTAMP_FORMAT)
sample_timestamp = entity_event[DSProps.SAMPLE_DATE]
update_timestamp = self._format_update_timestamp(update_timestamp,
sample_timestamp)
metadata = {
VProps.NAME: entity_event[NagiosProperties.SERVICE],
VProps.RESOURCE_ID: entity_event[NagiosProperties.RESOURCE_NAME],
VProps.SEVERITY: entity_event[NagiosProperties.STATUS],
VProps.INFO: entity_event[NagiosProperties.STATUS_INFO]
}
return graph_utils.create_vertex(
self._create_entity_key(entity_event),
entity_category=EntityCategory.ALARM,
entity_type=entity_event[DSProps.ENTITY_TYPE],
entity_state=self._get_alarm_state(entity_event),
sample_timestamp=sample_timestamp,
update_timestamp=update_timestamp,
metadata=metadata)
def _create_snapshot_neighbors(self, entity_event):
return self._create_nagios_neighbors(entity_event)
def _create_update_neighbors(self, entity_event):
return self._create_nagios_neighbors(entity_event)
def _create_nagios_neighbors(self, entity_event):
resource_type = entity_event[NagiosProperties.RESOURCE_TYPE]
if resource_type:
return [self._create_neighbor(
entity_event,
entity_event[NagiosProperties.RESOURCE_NAME],
resource_type,
EdgeLabel.ON,
neighbor_category=EntityCategory.RESOURCE)]
return []
def _ok_status(self, entity_event):
return entity_event[NagiosProperties.STATUS] == NagiosTestStatus.OK
def _create_entity_key(self, entity_event):
entity_type = entity_event[DSProps.ENTITY_TYPE]
alarm_name = entity_event[NagiosProperties.SERVICE]
resource_name = entity_event[NagiosProperties.RESOURCE_NAME]
return tbase.build_key((EntityCategory.ALARM,
entity_type,
resource_name,
alarm_name))
def get_type(self):
return NAGIOS_DATASOURCE