Add publisher to ActionAlias

CHANGELOG.rst

@@ -56,6 +56,9 @@ Added
   to pants' use of PEX lockfiles. This is not a user-facing addition. #5713 #5724 #5726 #5725 #5732 #5733 #5737 #5738
   Contributed by @cognifloyd
 
+* Added publischer to ActionAlias
+  Contributed @ubaumann
+
 Changed
 ~~~~~~~
 

st2common/st2common/persistence/actionalias.py

@@ -14,13 +14,24 @@
 # limitations under the License.
 
 from __future__ import absolute_import
+from st2common import transport
 from st2common.models.db.actionalias import actionalias_access
-from st2common.persistence import base as persistence
+from st2common.persistence.base import Access
 
+__all__ = [
+    "ActionAlias",
+]
 
-class ActionAlias(persistence.Access):
+
+class ActionAlias(Access):
     impl = actionalias_access
 
     @classmethod
     def _get_impl(cls):
         return cls.impl
+
+    @classmethod
+    def _get_publisher(cls):
+        if not cls.publisher:
+            cls.publisher = transport.actionalias.ActionAliasPublisher()
+        return cls.publisher

st2common/st2common/transport/actionalias.py

@@ -0,0 +1,42 @@
+# 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.
+
+# All Exchanges and Queues related to liveaction.
+
+from __future__ import absolute_import
+from kombu import Exchange, Queue
+from st2common.transport import publishers
+
+__all__ = [
+    "ActionAliasPublisher",
+    "get_queue",
+]
+
+ACTIONALIAS_XCHG = Exchange("st2.actionalias", type="topic")
+
+
+class ActionAliasPublisher(publishers.CUDPublisher):
+    def __init__(self):
+        super(ActionAliasPublisher, self).__init__(exchange=ACTIONALIAS_XCHG)
+
+
+def get_queue(name=None, routing_key=None, exclusive=False, auto_delete=False):
+    return Queue(
+        name,
+        ACTIONALIAS_XCHG,
+        routing_key=routing_key,
+        exclusive=exclusive,
+        auto_delete=auto_delete,
+    )

st2common/st2common/transport/bootstrap_utils.py

@@ -27,6 +27,7 @@
 
 from st2common import log as logging
 from st2common.transport import utils as transport_utils
+from st2common.transport.actionalias import ACTIONALIAS_XCHG
 from st2common.transport.actionexecutionstate import ACTIONEXECUTIONSTATE_XCHG
 from st2common.transport.announcement import ANNOUNCEMENT_XCHG
 from st2common.transport.connection_retry_wrapper import ConnectionRetryWrapper
@@ -62,6 +63,7 @@
 
 # List of exchanges which are pre-declared on service set up.
 EXCHANGES = [
+    ACTIONALIAS_XCHG,
     ACTIONEXECUTIONSTATE_XCHG,
     ANNOUNCEMENT_XCHG,
     EXECUTION_XCHG,