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 Connection(transport_utils.get_messaging_urls()) 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 _get_queue(queue_suffix):
if not queue_suffix:
# pick last 10 digits of uuid. Arbitrary but unique enough for the TriggerWatcher.
u_hex = uuid.uuid4().hex
queue_suffix = uuid.uuid4().hex[len(u_hex) - 10:]
queue_name = 'st2.trigger.watch.%s' % queue_suffix
return reactor.get_trigger_cud_queue(queue_name, routing_key='#')
def _get_queue(queue_suffix):
if not queue_suffix:
# pick last 10 digits of uuid. Arbitrary but unique enough for the TriggerWatcher.
u_hex = uuid.uuid4().hex
queue_suffix = uuid.uuid4().hex[len(u_hex) - 10:]
queue_name = 'st2.trigger.watch.%s' % queue_suffix
return reactor.get_trigger_cud_queue(queue_name, routing_key='#')
def _get_queue(queue_suffix, exclusive):
queue_name = queue_utils.get_queue_name(
queue_name_base='st2.trigger.watch',
queue_name_suffix=queue_suffix,
add_random_uuid_to_suffix=True)
return reactor.get_trigger_cud_queue(queue_name,
routing_key='#',
exclusive=exclusive)
QUEUES = [
ACTIONSCHEDULER_REQUEST_QUEUE,
ACTIONRUNNER_WORK_QUEUE,
ACTIONRUNNER_CANCEL_QUEUE,
NOTIFIER_ACTIONUPDATE_WORK_QUEUE,
RESULTSTRACKER_ACTIONSTATE_WORK_QUEUE,
RULESENGINE_WORK_QUEUE,
STREAM_ANNOUNCEMENT_WORK_QUEUE,
STREAM_EXECUTION_ALL_WORK_QUEUE,
STREAM_LIVEACTION_WORK_QUEUE,
STREAM_EXECUTION_OUTPUT_QUEUE,
WORKFLOW_EXECUTION_WORK_QUEUE,
WORKFLOW_EXECUTION_RESUME_QUEUE,
# Those queues are dynamically / late created on some class init but we still need to
# pre-declare them for redis Kombu backend to work.
reactor.get_trigger_cud_queue(name="st2.preinit", routing_key="init"),
reactor.get_sensor_cud_queue(name="st2.preinit", routing_key="init"),
]
def _do_register_exchange(exchange, connection, channel, retry_wrapper):
try:
kwargs = {
"exchange": exchange.name,
"type": exchange.type,
"durable": exchange.durable,
"auto_delete": exchange.auto_delete,
"arguments": exchange.arguments,
"nowait": False,
"passive": False,
}
# and don't get lost even if there are no consumers online
QUEUES = [
ACTIONSCHEDULER_REQUEST_QUEUE,
ACTIONRUNNER_WORK_QUEUE,
ACTIONRUNNER_CANCEL_QUEUE,
EXPORTER_WORK_QUEUE,
NOTIFIER_ACTIONUPDATE_WORK_QUEUE,
RESULTSTRACKER_ACTIONSTATE_WORK_QUEUE,
RULESENGINE_WORK_QUEUE,
STREAM_ANNOUNCEMENT_WORK_QUEUE,
STREAM_EXECUTION_WORK_QUEUE,
STREAM_LIVEACTION_WORK_QUEUE,
# Those queues are dynamically / late created on some class init but we still need to
# pre-declare them for redis Kombu backend to work.
reactor.get_trigger_cud_queue(name='st2.preinit', routing_key='init'),
reactor.get_sensor_cud_queue(name='st2.preinit', routing_key='init')
]
def _do_register_exchange(exchange, connection, channel, retry_wrapper):
try:
kwargs = {
'exchange': exchange.name,
'type': exchange.type,
'durable': exchange.durable,
'auto_delete': exchange.auto_delete,
'arguments': exchange.arguments,
'nowait': False,
'passive': False
}
def _get_queue(queue_suffix, exclusive):
queue_name = queue_utils.get_queue_name(queue_name_base='st2.trigger.watch',
queue_name_suffix=queue_suffix,
add_random_uuid_to_suffix=True
)
return reactor.get_trigger_cud_queue(queue_name, routing_key='#', exclusive=exclusive)
ACTIONRUNNER_CANCEL_QUEUE,
NOTIFIER_ACTIONUPDATE_WORK_QUEUE,
RESULTSTRACKER_ACTIONSTATE_WORK_QUEUE,
RULESENGINE_WORK_QUEUE,
STREAM_ANNOUNCEMENT_WORK_QUEUE,
STREAM_EXECUTION_ALL_WORK_QUEUE,
STREAM_LIVEACTION_WORK_QUEUE,
STREAM_EXECUTION_OUTPUT_QUEUE,
WORKFLOW_EXECUTION_WORK_QUEUE,
WORKFLOW_EXECUTION_RESUME_QUEUE,
# Those queues are dynamically / late created on some class init but we still need to
# pre-declare them for redis Kombu backend to work.
reactor.get_trigger_cud_queue(name='st2.preinit', routing_key='init'),
reactor.get_sensor_cud_queue(name='st2.preinit', routing_key='init')
]
def _do_register_exchange(exchange, connection, channel, retry_wrapper):
try:
kwargs = {
'exchange': exchange.name,
'type': exchange.type,
'durable': exchange.durable,
'auto_delete': exchange.auto_delete,
'arguments': exchange.arguments,
'nowait': False,
'passive': False
}
