Add state fields to Instance and InstanceLink

Also, listener_port to Instance.

awx/main/migrations/0170_node_and_link_state.py

@@ -0,0 +1,79 @@
+# Generated by Django 3.2.13 on 2022-08-02 17:53
+
+import django.core.validators
+from django.db import migrations, models
+
+
+def forwards(apps, schema_editor):
+    # All existing InstanceLink objects need to be in the state
+    # 'Established', which is the default, so nothing needs to be done
+    # for that.
+
+    Instance = apps.get_model('main', 'Instance')
+    for instance in Instance.objects.all():
+        instance.node_state = 'ready' if not instance.errors else 'unavailable'
+        instance.save(update_fields=['node_state'])
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('main', '0169_jt_prompt_everything_on_launch'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='instance',
+            name='listener_port',
+            field=models.PositiveIntegerField(
+                blank=True,
+                default=27199,
+                help_text='Port that Receptor will listen for incoming connections on.',
+                validators=[django.core.validators.MinValueValidator(1), django.core.validators.MaxValueValidator(65535)],
+            ),
+        ),
+        migrations.AddField(
+            model_name='instance',
+            name='node_state',
+            field=models.CharField(
+                choices=[
+                    ('provisioning', 'Provisioning'),
+                    ('provision-fail', 'Provisioning Failure'),
+                    ('installed', 'Installed'),
+                    ('ready', 'Ready'),
+                    ('unavailable', 'Unavailable'),
+                    ('deprovisioning', 'De-provisioning'),
+                    ('deprovision-fail', 'De-provisioning Failure'),
+                ],
+                default='ready',
+                help_text='Indicates the current life cycle stage of this instance.',
+                max_length=16,
+            ),
+        ),
+        migrations.AddField(
+            model_name='instancelink',
+            name='link_state',
+            field=models.CharField(
+                choices=[('adding', 'Adding'), ('established', 'Established'), ('removing', 'Removing')],
+                default='established',
+                help_text='Indicates the current life cycle stage of this peer link.',
+                max_length=16,
+            ),
+        ),
+        migrations.AlterField(
+            model_name='instance',
+            name='node_type',
+            field=models.CharField(
+                choices=[
+                    ('control', 'Control plane node'),
+                    ('execution', 'Execution plane node'),
+                    ('hybrid', 'Controller and execution'),
+                    ('hop', 'Message-passing node, no execution capability'),
+                ],
+                default='hybrid',
+                help_text='Role that this node plays in the mesh.',
+                max_length=16,
+            ),
+        ),
+        migrations.RunPython(forwards, reverse_code=migrations.RunPython.noop),
+    ]