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Common: Update check_stuck_rules to use sqlalchemy #162

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Common: Update check_stuck_rules to use sqlalchemy #162

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60 changes: 40 additions & 20 deletions common/check_stuck_rules
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Original file line number Diff line number Diff line change
@@ -1,14 +1,17 @@
#!/usr/bin/env python
# Copyright European Organization for Nuclear Research (CERN) 2013
#!/usr/bin/env python3
# Copyright European Organization for Nuclear Research (CERN) since 2012
#
# 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
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# Authors:
# - Martin Barisits, <martin.barisits@cern.ch>, 2014
# - Eric Vaandering, <ewv@fnal.gov>, 2019-2021
# - Thomas Beermann, <thomas.beermann@cern.ch>, 2019
# 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.

"""
Probe to check the backlog of stuck rules.
Expand All @@ -19,19 +22,17 @@ import sys
import traceback

from prometheus_client import CollectorRegistry, Gauge, push_to_gateway
from sqlalchemy.sql import and_, func, null, or_, select

from rucio.common.config import config_get
from rucio.db.sqla.session import BASE, get_session
from rucio.db.sqla import models
from rucio.db.sqla.session import get_session

from utils.common import probe_metrics

# Exit statuses
OK, WARNING, CRITICAL, UNKNOWN = 0, 1, 2, 3

if BASE.metadata.schema:
schema = BASE.metadata.schema + '.'
else:
schema = ''

PROM_SERVERS = config_get('monitor', 'prometheus_servers', raise_exception=False, default='')
if PROM_SERVERS != '':
PROM_SERVERS = PROM_SERVERS.split(',')
Expand All @@ -40,15 +41,34 @@ if __name__ == "__main__":
try:
registry = CollectorRegistry()
session = get_session()
sql = 'SELECT COUNT(1) FROM {schema}RULES where state=\'S\' and (error !=\'MissingSourceReplica\' or error IS NULL)'.format(
schema=schema)
result = session.execute(sql).fetchone()[0]
without_missing_replica_statement = select(
func.count()
).select_from(
models.ReplicationRule
).where(
and_(
models.ReplicationRule.state == "S",
or_(
models.ReplicationRule.error != "MissingSourceReplica",
models.ReplicationRule.error == null()
)
)
)
result = session.execute(without_missing_replica_statement).scalar_one()
probe_metrics.gauge(name='judge.stuck_rules_without_missing_source_replica').set(result)
Gauge('judge_stuck_rules_without_missing_source_replica', '', registry=registry).set(result)

sql = 'SELECT COUNT(1) FROM {schema}RULES where state=\'S\' and error =\'MissingSourceReplica\''.format(
schema=schema)
result = session.execute(sql).fetchone()[0]
with_missing_replica_statement = select(
func.count()
).select_from(
models.ReplicationRule
).where(
and_(
models.ReplicationRule.state == "S",
models.ReplicationRule.error == "MissingSourceReplica"
)
)
result = session.execute(with_missing_replica_statement).scalar_one()
probe_metrics.gauge(name='judge.stuck_rules_with_missing_source_replica').set(result)
Gauge('judge_stuck_rules_with_missing_source_replica', '', registry=registry).set(result)

Expand Down