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migrate_messaging_setup.py
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migrate_messaging_setup.py
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#!/usr/bin/env python
# Copyright 2020 The StackStorm Authors.
# Copyright 2019 Extreme Networks, Inc.
#
# 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.
"""
A migration script that cleans up old queues.
"""
from __future__ import absolute_import
import traceback
from st2common import config
from st2common.transport import reactor
from st2common.transport import utils as transport_utils
class Migrate_0_13_x_to_1_1_0(object):
"""
Handles migration of messaging setup from 0.13.x to 1.1.
"""
# All these queues are either not required due to name
# changes or changes in durability proeprties.
OLD_QS = [
# Name changed in 1.1
reactor.get_trigger_cud_queue("st2.trigger.watch.timers", routing_key="#"),
# Split to multiple queues in 1.1
reactor.get_trigger_cud_queue(
"st2.trigger.watch.sensorwrapper", routing_key="#"
),
# Name changed in 1.1
reactor.get_trigger_cud_queue("st2.trigger.watch.webhooks", routing_key="#"),
]
def migrate(self):
self._cleanup_old_queues()
def _cleanup_old_queues(self):
with transport_utils.get_connection() as connection:
for q in self.OLD_QS:
bound_q = q(connection.default_channel)
try:
bound_q.delete()
except:
print("Failed to delete %s." % q.name)
traceback.print_exc()
def main():
try:
migrator = Migrate_0_13_x_to_1_1_0()
migrator.migrate()
except:
print("Messaging setup migration failed.")
traceback.print_exc()
if __name__ == "__main__":
config.parse_args(args={})
main()