Note

Move dispatcher control/status/cancel to PostgreSQL NOTIFY, remove socket-based broker/debugging, and update dispatcherd dependency.

• Dispatcher config (awx/main/dispatch/config.py):
  • Replace socket broker config with pg_notify broker; set publish.default_broker to pg_notify.
  • Add default_publish_channel (uses settings.CLUSTER_HOST_ID) and service channels (tower_broadcast_all, tower_settings_change, get_task_queuename()).
  • Preserve mock mode via noop broker.
• Management command (awx/main/management/commands/run_dispatcher.py):
  • Remove local socket checks/usage; --status/--running/--cancel now use dispatcherd control over pg_notify.
  • Initialize dispatcher service via dispatcherd.config.setup(get_dispatcherd_config(...)) before run_service().
• Settings:
  • Remove DISPATCHERD_DEBUGGING_SOCKFILE from defaults and production defaults.
• Dependencies:
  • Change requirement to dispatcherd[pg_notify] and bump version in both requirements.in and requirements.txt.

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