Add management command to remove address

Adds remove_receptor_address to delete a
receptor address from the database

Also, enforce that only 1 canonical address
can be added to an instance via
the add_receptor_address command.

Signed-off-by: Seth Foster <fosterbseth@gmail.com>

awx/main/management/commands/add_receptor_address.py

@@ -10,28 +10,31 @@ def add_address(**kwargs):
     try:
         instance = Instance.objects.get(hostname=kwargs.pop('instance'))
         kwargs['instance'] = instance
+
+        if kwargs.get('canonical') and instance.receptor_addresses.filter(canonical=True).exclude(address=kwargs['address']).exists():
+            print(f"Instance {instance.hostname} already has a canonical address, skipping")
+            return False
         # if ReceptorAddress already exists with address, just update
         # otherwise, create new ReceptorAddress
         addr, _ = ReceptorAddress.objects.update_or_create(address=kwargs.pop('address'), defaults=kwargs)
         print(f"Successfully added receptor address {addr.get_full_address()}")
-        changed = True
+        return True
     except Exception as e:
-        changed = False
         print(f"Error adding receptor address: {e}")
-    return changed
+        return False
 
 
 class Command(BaseCommand):
     """
-    Internal tower command.
+    Internal controller command.
     Register receptor address to an already-registered instance.
     """
 
     help = "Add receptor address to an instance."
 
     def add_arguments(self, parser):
-        parser.add_argument('--instance', dest='instance', type=str, help="Instance hostname this address is added to")
-        parser.add_argument('--address', dest='address', type=str, help="Receptor address")
+        parser.add_argument('--instance', dest='instance', required=True, type=str, help="Instance hostname this address is added to")
+        parser.add_argument('--address', dest='address', required=True, type=str, help="Receptor address")
         parser.add_argument('--port', dest='port', type=int, help="Receptor listener port")
         parser.add_argument('--websocket_path', dest='websocket_path', type=str, default="", help="Path for websockets")
         parser.add_argument('--is_internal', action='store_true', help="If true, address only resolvable within the Kubernetes cluster")
@@ -40,12 +43,11 @@ class Command(BaseCommand):
         parser.add_argument('--peers_from_control_nodes', action='store_true', help="If true, control nodes will peer to this address")
 
     def handle(self, **options):
-        self.changed = False
         address_options = {
             k: options[k]
             for k in ('instance', 'address', 'port', 'websocket_path', 'is_internal', 'protocol', 'peers_from_control_nodes', 'canonical')
             if options[k]
         }
-        self.changed = add_address(**address_options)
-        if self.changed:
+        changed = add_address(**address_options)
+        if changed:
             print("(changed: True)")

awx/main/management/commands/remove_receptor_address.py

@@ -0,0 +1,26 @@
+# Copyright (c) 2015 Ansible, Inc.
+# All Rights Reserved
+
+from django.core.management.base import BaseCommand
+
+from awx.main.models import ReceptorAddress
+
+
+class Command(BaseCommand):
+    """
+    Internal controller command.
+    Delete a receptor address.
+    """
+
+    help = "Add receptor address to an instance."
+
+    def add_arguments(self, parser):
+        parser.add_argument('--address', dest='address', type=str, help="Receptor address to remove")
+
+    def handle(self, **options):
+        deleted = ReceptorAddress.objects.filter(address=options['address']).delete()
+        if deleted[0]:
+            print(f"Successfully removed {options['address']}")
+            print("(changed: True)")
+        else:
+            print(f"Did not remove {options['address']}, not found")