create lookup table for legacy actions to new actions

migrations_lockfile.txt

@@ -23,4 +23,4 @@ tempest: 0001_create_tempest_credentials_model
 
 uptime: 0021_drop_region_table_col
 
-workflow_engine: 0022_add_action_group_status_model
+workflow_engine: 0023_create_action_trigger_action_table

src/sentry/workflow_engine/migrations/0023_create_action_trigger_action_table.py

@@ -0,0 +1,61 @@
+# Generated by Django 5.1.4 on 2025-01-14 21:18
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+import sentry.db.models.fields.bounded
+import sentry.db.models.fields.foreignkey
+from sentry.new_migrations.migrations import CheckedMigration
+
+
+class Migration(CheckedMigration):
+    # This flag is used to mark that a migration shouldn't be automatically run in production.
+    # This should only be used for operations where it's safe to run the migration after your
+    # code has deployed. So this should not be used for most operations that alter the schema
+    # of a table.
+    # Here are some things that make sense to mark as post deployment:
+    # - Large data migrations. Typically we want these to be run manually so that they can be
+    #   monitored and not block the deploy for a long period of time while they run.
+    # - Adding indexes to large tables. Since this can take a long time, we'd generally prefer to
+    #   run this outside deployments so that we don't block them. Note that while adding an index
+    #   is a schema change, it's completely safe to run the operation after the code has deployed.
+    # Once deployed, run these manually via: https://develop.sentry.dev/database-migrations/#migration-deployment
+
+    is_post_deployment = False
+
+    dependencies = [
+        ("sentry", "0813_rm_alertruleactivation_models"),
+        ("workflow_engine", "0022_add_action_group_status_model"),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name="ActionAlertRuleTriggerAction",
+            fields=[
+                (
+                    "id",
+                    sentry.db.models.fields.bounded.BoundedBigAutoField(
+                        primary_key=True, serialize=False
+                    ),
+                ),
+                ("date_updated", models.DateTimeField(auto_now=True)),
+                ("date_added", models.DateTimeField(auto_now_add=True)),
+                (
+                    "action",
+                    sentry.db.models.fields.foreignkey.FlexibleForeignKey(
+                        on_delete=django.db.models.deletion.CASCADE, to="workflow_engine.action"
+                    ),
+                ),
+                (
+                    "alert_rule_trigger_action",
+                    sentry.db.models.fields.foreignkey.FlexibleForeignKey(
+                        on_delete=django.db.models.deletion.CASCADE,
+                        to="sentry.alertruletriggeraction",
+                    ),
+                ),
+            ],
+            options={
+                "abstract": False,
+            },
+        ),
+    ]

src/sentry/workflow_engine/models/__init__.py

@@ -1,5 +1,6 @@
 __all__ = [
     "Action",
+    "ActionAlertRuleTriggerAction",
     "ActionGroupStatus",
     "AlertRuleDetector",
     "AlertRuleTriggerDataCondition",
@@ -18,6 +19,7 @@
 ]
 
 from .action import Action
+from .action_alertruletriggeraction import ActionAlertRuleTriggerAction
 from .action_group_status import ActionGroupStatus
 from .alertrule_detector import AlertRuleDetector
 from .alertrule_workflow import AlertRuleWorkflow

src/sentry/workflow_engine/models/action_alertruletriggeraction.py

@@ -0,0 +1,14 @@
+from sentry.backup.scopes import RelocationScope
+from sentry.db.models import DefaultFieldsModel, FlexibleForeignKey, region_silo_model
+
+
+@region_silo_model
+class ActionAlertRuleTriggerAction(DefaultFieldsModel):
+    """
+    A lookup model for Actions (new) and AlertRuleTriggerActions (legacy)
+    """
+
+    __relocation_scope__ = RelocationScope.Organization
+
+    action = FlexibleForeignKey("workflow_engine.Action")
+    alert_rule_trigger_action = FlexibleForeignKey("sentry.AlertRuleTriggerAction")