Hop node AWX Collection Updates (#14153)

Add hop node support to awx collections
- add peers and peers_from_control_nodes fields
- show new node_type "hop"
- add tests for adding hop nodes via collections

Co-authored-by: Seth Foster <fosterseth@users.noreply.github.com>

awx_collection/test/awx/test_instance.py

@@ -0,0 +1,53 @@
+from __future__ import absolute_import, division, print_function
+
+__metaclass__ = type
+
+import pytest
+
+from awx.main.models import Instance
+from django.test.utils import override_settings
+
+
+@pytest.mark.django_db
+def test_peers_adding_and_removing(run_module, admin_user):
+    with override_settings(IS_K8S=True):
+        result = run_module(
+            'instance',
+            {'hostname': 'hopnode1', 'node_type': 'hop', 'peers_from_control_nodes': True, 'node_state': 'installed', 'listener_port': 27199},
+            admin_user,
+        )
+        assert result['changed']
+
+        hop_node_1 = Instance.objects.get(pk=result.get('id'))
+
+        assert hop_node_1.peers_from_control_nodes == True
+        assert hop_node_1.node_type == 'hop'
+
+        result = run_module(
+            'instance',
+            {'hostname': 'hopnode2', 'node_type': 'hop', 'peers_from_control_nodes': True, 'node_state': 'installed', 'listener_port': 27199},
+            admin_user,
+        )
+        assert result['changed']
+
+        hop_node_2 = Instance.objects.get(pk=result.get('id'))
+
+        result = run_module(
+            'instance',
+            {'hostname': 'executionnode', 'node_type': 'execution', 'node_state': 'installed', 'listener_port': 27199, 'peers': ['hopnode1', 'hopnode2']},
+            admin_user,
+        )
+        assert result['changed']
+
+        execution_node = Instance.objects.get(pk=result.get('id'))
+
+        assert set(execution_node.peers.all()) == {hop_node_1, hop_node_2}
+
+        result = run_module(
+            'instance',
+            {'hostname': 'executionnode', 'node_type': 'execution', 'node_state': 'installed', 'listener_port': 27199, 'peers': []},
+            admin_user,
+        )
+
+        assert result['changed']
+        assert set(execution_node.peers.all()) == set()