329 lines
12 KiB
Python
329 lines
12 KiB
Python
# Copyright 2014 Hewlett-Packard
|
|
#
|
|
# 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.
|
|
|
|
import re
|
|
|
|
import falcon
|
|
from oslo.config import cfg
|
|
|
|
from monasca.api import alarms_api_v2
|
|
from monasca.common.repositories import exceptions
|
|
from monasca.common import resource_api
|
|
from monasca.openstack.common import log
|
|
from monasca.v2.reference.alarming import Alarming
|
|
from monasca.v2.reference import helpers
|
|
from monasca.v2.reference import resource
|
|
|
|
|
|
LOG = log.getLogger(__name__)
|
|
|
|
|
|
class Alarms(alarms_api_v2.AlarmsV2API, Alarming):
|
|
|
|
def __init__(self, global_conf):
|
|
|
|
try:
|
|
|
|
super(Alarms, self).__init__(global_conf)
|
|
|
|
self._region = cfg.CONF.region
|
|
|
|
self._default_authorized_roles = (
|
|
cfg.CONF.security.default_authorized_roles)
|
|
self._delegate_authorized_roles = (
|
|
cfg.CONF.security.delegate_authorized_roles)
|
|
self._post_metrics_authorized_roles = (
|
|
cfg.CONF.security.default_authorized_roles +
|
|
cfg.CONF.security.agent_authorized_roles)
|
|
|
|
self._alarms_repo = resource_api.init_driver(
|
|
'monasca.repositories', cfg.CONF.repositories.alarms_driver)
|
|
|
|
self._metrics_repo = resource_api.init_driver(
|
|
'monasca.repositories', cfg.CONF.repositories.metrics_driver)
|
|
|
|
except Exception as ex:
|
|
LOG.exception(ex)
|
|
raise exceptions.RepositoryException(ex)
|
|
|
|
@resource_api.Restify('/v2.0/alarms/{id}', method='put')
|
|
def do_put_alarms(self, req, res, id):
|
|
|
|
helpers.validate_authorization(req, self._default_authorized_roles)
|
|
|
|
tenant_id = helpers.get_tenant_id(req)
|
|
|
|
state = self._get_alarm_state(req)
|
|
|
|
self._alarm_update(tenant_id, id, state)
|
|
|
|
result = self._alarm_show(req.uri, tenant_id, id)
|
|
|
|
res.body = helpers.dumpit_utf8(result)
|
|
res.status = falcon.HTTP_200
|
|
|
|
@resource_api.Restify('/v2.0/alarms/{id}', method='patch')
|
|
def do_patch_alarms(self, req, res, id):
|
|
|
|
# Same logic as alarm_update
|
|
return self.do_put_alarms(req, res, id)
|
|
|
|
@resource_api.Restify('/v2.0/alarms/{id}', method='delete')
|
|
def do_delete_alarms(self, req, res, id):
|
|
|
|
helpers.validate_authorization(req, self._default_authorized_roles)
|
|
|
|
tenant_id = helpers.get_tenant_id(req)
|
|
|
|
self._alarm_delete(tenant_id, id)
|
|
|
|
res.status = falcon.HTTP_204
|
|
|
|
@resource_api.Restify('/v2.0/alarms', method='get')
|
|
def do_get_alarms(self, req, res):
|
|
|
|
helpers.validate_authorization(req, self._default_authorized_roles)
|
|
tenant_id = helpers.get_tenant_id(req)
|
|
|
|
query_parms = falcon.uri.parse_query_string(req.query_string)
|
|
|
|
offset = helpers.normalize_offset(helpers.get_query_param(req,
|
|
'offset'))
|
|
|
|
result = self._alarm_list(req.uri, tenant_id, query_parms, offset)
|
|
|
|
res.body = helpers.dumpit_utf8(result)
|
|
res.status = falcon.HTTP_200
|
|
|
|
@resource_api.Restify('/v2.0/alarms/{id}', method='get')
|
|
def do_get_alarm_by_id(self, req, res, id):
|
|
|
|
# Necessary because falcon interprets 'state-history' as an
|
|
# alarm id, and this url masks '/v2.0/alarms/state-history'.
|
|
if id.lower() == 'state-history':
|
|
return self.do_get_alarms_state_history(req, res)
|
|
|
|
helpers.validate_authorization(req, self._default_authorized_roles)
|
|
tenant_id = helpers.get_tenant_id(req)
|
|
|
|
result = self._alarm_show(req.uri, tenant_id, id)
|
|
|
|
res.body = helpers.dumpit_utf8(result)
|
|
res.status = falcon.HTTP_200
|
|
|
|
@resource_api.Restify('/v2.0/alarms/state-history', method='get')
|
|
def do_get_alarms_state_history(self, req, res):
|
|
|
|
helpers.validate_authorization(req, self._default_authorized_roles)
|
|
tenant_id = helpers.get_tenant_id(req)
|
|
start_timestamp = helpers.get_query_starttime_timestamp(req, False)
|
|
end_timestamp = helpers.get_query_endtime_timestamp(req, False)
|
|
query_parms = falcon.uri.parse_query_string(req.query_string)
|
|
offset = helpers.normalize_offset(helpers.get_query_param(req,
|
|
'offset'))
|
|
|
|
result = self._alarm_history_list(tenant_id, start_timestamp,
|
|
end_timestamp, query_parms,
|
|
req.uri, offset)
|
|
|
|
res.body = helpers.dumpit_utf8(result)
|
|
res.status = falcon.HTTP_200
|
|
|
|
@resource_api.Restify('/v2.0/alarms/{id}/state-history', method='get')
|
|
def do_get_alarm_state_history(self, req, res, id):
|
|
|
|
helpers.validate_authorization(req, self._default_authorized_roles)
|
|
tenant_id = helpers.get_tenant_id(req)
|
|
offset = helpers.normalize_offset(helpers.get_query_param(req,
|
|
'offset'))
|
|
|
|
result = self._alarm_history(tenant_id, [id], req.uri, offset)
|
|
|
|
res.body = helpers.dumpit_utf8(result)
|
|
res.status = falcon.HTTP_200
|
|
|
|
@resource.resource_try_catch_block
|
|
def _alarm_update(self, tenant_id, id, new_state):
|
|
|
|
alarm_metric_rows = self._alarms_repo.get_alarm_metrics(id)
|
|
sub_alarm_rows = self._alarms_repo.get_sub_alarms(tenant_id, id)
|
|
|
|
old_state = self._alarms_repo.update_alarm(tenant_id, id, new_state)
|
|
|
|
# alarm_definition_id is the same for all rows.
|
|
alarm_definition_id = sub_alarm_rows[0]['alarm_definition_id']
|
|
|
|
state_info = {u'alarmState': new_state, u'oldAlarmState': old_state}
|
|
|
|
self._send_alarm_event(u'alarm-updated', tenant_id,
|
|
alarm_definition_id, alarm_metric_rows,
|
|
sub_alarm_rows, state_info)
|
|
|
|
if old_state != new_state:
|
|
try:
|
|
alarm_definition_row = self._alarms_repo.get_alarm_definition(
|
|
tenant_id, id)
|
|
except exceptions.DoesNotExistException:
|
|
# Alarm definition does not exist. May have been deleted
|
|
# in another transaction. In that case, all associated
|
|
# alarms were also deleted, so don't send transition events.
|
|
pass
|
|
else:
|
|
self._send_alarm_transitioned_event(tenant_id, id,
|
|
alarm_definition_row,
|
|
alarm_metric_rows,
|
|
old_state, new_state)
|
|
|
|
@resource.resource_try_catch_block
|
|
def _alarm_history_list(self, tenant_id, start_timestamp,
|
|
end_timestamp, query_parms, req_uri, offset):
|
|
|
|
# get_alarms expects 'metric_dimensions' for dimensions key.
|
|
if 'dimensions' in query_parms:
|
|
new_query_parms = {'metric_dimensions': query_parms['dimensions']}
|
|
else:
|
|
new_query_parms = {}
|
|
|
|
alarm_rows = self._alarms_repo.get_alarms(tenant_id, new_query_parms)
|
|
alarm_id_list = [alarm_row['alarm_id'] for alarm_row in alarm_rows]
|
|
|
|
result = self._metrics_repo.alarm_history(tenant_id, alarm_id_list,
|
|
offset,
|
|
start_timestamp,
|
|
end_timestamp)
|
|
|
|
return helpers.paginate(result, req_uri, offset)
|
|
|
|
@resource.resource_try_catch_block
|
|
def _alarm_history(self, tenant_id, alarm_id, req_uri, offset):
|
|
|
|
result = self._metrics_repo.alarm_history(tenant_id, alarm_id, offset)
|
|
|
|
return helpers.paginate(result, req_uri, offset)
|
|
|
|
@resource.resource_try_catch_block
|
|
def _alarm_delete(self, tenant_id, id):
|
|
|
|
alarm_metric_rows = self._alarms_repo.get_alarm_metrics(id)
|
|
sub_alarm_rows = self._alarms_repo.get_sub_alarms(tenant_id, id)
|
|
|
|
self._alarms_repo.delete_alarm(tenant_id, id)
|
|
|
|
# alarm_definition_id is the same for all rows.
|
|
alarm_definition_id = sub_alarm_rows[0]['alarm_definition_id']
|
|
|
|
self._send_alarm_event(u'alarm-deleted', tenant_id,
|
|
alarm_definition_id, alarm_metric_rows,
|
|
sub_alarm_rows)
|
|
|
|
@resource.resource_try_catch_block
|
|
def _alarm_show(self, req_uri, tenant_id, id):
|
|
|
|
alarm_rows = self._alarms_repo.get_alarm(tenant_id, id)
|
|
|
|
first_row = True
|
|
for alarm_row in alarm_rows:
|
|
if first_row:
|
|
ad = {u'id': alarm_row['alarm_definition_id'],
|
|
u'name': alarm_row['alarm_definition_name'],
|
|
u'severity': alarm_row['severity'], }
|
|
helpers.add_links_to_resource(ad,
|
|
re.sub('alarms',
|
|
'alarm-definitions',
|
|
req_uri),
|
|
rel=None)
|
|
|
|
metrics = []
|
|
alarm = {u'id': alarm_row['alarm_id'], u'metrics': metrics,
|
|
u'state': alarm_row['state'],
|
|
u'alarm_definition': ad}
|
|
helpers.add_links_to_resource(alarm, req_uri)
|
|
|
|
first_row = False
|
|
|
|
dimensions = {}
|
|
metric = {u'name': alarm_row['metric_name'],
|
|
u'dimensions': dimensions}
|
|
|
|
if alarm_row['metric_dimensions']:
|
|
for dimension in alarm_row['metric_dimensions'].split(','):
|
|
parsed_dimension = dimension.split('=')
|
|
dimensions[parsed_dimension[0]] = parsed_dimension[1]
|
|
|
|
metrics.append(metric)
|
|
|
|
return alarm
|
|
|
|
@resource.resource_try_catch_block
|
|
def _alarm_list(self, req_uri, tenant_id, query_parms, offset):
|
|
|
|
alarm_rows = self._alarms_repo.get_alarms(tenant_id, query_parms,
|
|
offset)
|
|
|
|
result = []
|
|
|
|
if not alarm_rows:
|
|
return result
|
|
|
|
# Forward declaration
|
|
alarm = {}
|
|
prev_alarm_id = None
|
|
for alarm_row in alarm_rows:
|
|
if prev_alarm_id != alarm_row['alarm_id']:
|
|
if prev_alarm_id is not None:
|
|
result.append(alarm)
|
|
|
|
ad = {u'id': alarm_row['alarm_definition_id'],
|
|
u'name': alarm_row['alarm_definition_name'],
|
|
u'severity': alarm_row['severity'], }
|
|
helpers.add_links_to_resource(ad,
|
|
re.sub('alarms',
|
|
'alarm-definitions',
|
|
req_uri),
|
|
rel=None)
|
|
|
|
metrics = []
|
|
alarm = {u'id': alarm_row['alarm_id'], u'metrics': metrics,
|
|
u'state': alarm_row['state'],
|
|
u'alarm_definition': ad}
|
|
helpers.add_links_to_resource(alarm, req_uri)
|
|
|
|
prev_alarm_id = alarm_row['alarm_id']
|
|
|
|
dimensions = {}
|
|
metric = {u'name': alarm_row['metric_name'],
|
|
u'dimensions': dimensions}
|
|
|
|
if alarm_row['metric_dimensions']:
|
|
for dimension in alarm_row['metric_dimensions'].split(','):
|
|
parsed_dimension = dimension.split('=')
|
|
dimensions[parsed_dimension[0]] = parsed_dimension[1]
|
|
|
|
metrics.append(metric)
|
|
|
|
result.append(alarm)
|
|
|
|
return helpers.paginate(result, req_uri, offset)
|
|
|
|
def _get_alarm_state(self, req):
|
|
|
|
json_msg = helpers.read_http_resource(req)
|
|
if 'state' in json_msg:
|
|
state = json_msg['state'].upper()
|
|
if state not in ['OK', 'ALARM', 'UNDETERMINED']:
|
|
raise falcon.HTTPBadRequest('Bad request', 'Invalid state')
|
|
return state
|
|
else:
|
|
raise falcon.HTTPBadRequest('Bad request', 'Missing state')
|