add a unique UUID for identifying an AWX installation

awx/conf/registry.py

@@ -100,7 +100,7 @@ class SettingsRegistry(object):
             if kwargs.get('category_slug', None) in slugs_to_ignore:
                 continue
             if (read_only in {True, False} and kwargs.get('read_only', False) != read_only and
-                    setting not in ('AWX_ISOLATED_PRIVATE_KEY', 'AWX_ISOLATED_PUBLIC_KEY')):
+                    setting not in ('INSTALL_UUID', 'AWX_ISOLATED_PRIVATE_KEY', 'AWX_ISOLATED_PUBLIC_KEY')):
                 # Note: Doesn't catch fields that set read_only via __init__;
                 # read-only field kwargs should always include read_only=True.
                 continue

awx/conf/settings.py

@@ -381,8 +381,9 @@ class SettingsWrapper(UserSettingsHolder):
             setting = None
             setting_id = None
             if not field.read_only or name in (
-                # these two values are read-only - however - we *do* want
+                # these values are read-only - however - we *do* want
                 # to fetch their value from the database
+                'INSTALL_UUID',
                 'AWX_ISOLATED_PRIVATE_KEY',
                 'AWX_ISOLATED_PUBLIC_KEY',
             ):

awx/main/analytics/collectors.py

@@ -46,7 +46,8 @@ def config(since):
             'release': platform.release(),
             'type': install_type,
         },
-        'system_uuid': settings.SYSTEM_UUID,
+        'install_uuid': settings.INSTALL_UUID,
+        'instance_uuid': settings.SYSTEM_UUID,
         'tower_url_base': settings.TOWER_URL_BASE,
         'tower_version': get_awx_version(),
         'ansible_version': get_ansible_version(),

awx/main/conf.py

@@ -126,6 +126,15 @@ register(
     category_slug='system',
 )
 
+register(
+    'INSTALL_UUID',
+    field_class=fields.CharField,
+    label=_('Unique identifier for an AWX/Tower installation'),
+    category=_('System'),
+    category_slug='system',
+    read_only=True,
+)
+
 register(
     'CUSTOM_VENV_PATHS',
     field_class=fields.StringListPathField,

awx/main/migrations/0069_v350_generate_unique_install_uuid.py

@@ -0,0 +1,26 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.16 on 2019-04-05 20:19
+from __future__ import unicode_literals
+from uuid import uuid4
+
+from django.db import migrations, models
+from django.utils.timezone import now
+
+
+def _gen_install_uuid(apps, schema_editor):
+    Setting = apps.get_model('conf', 'Setting')
+    Setting(
+        key='INSTALL_UUID',
+        value=str(uuid4()),
+        created=now(),
+        modified=now(),
+    ).save()
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('main', '0068_v350_index_event_created'),
+    ]
+
+    operations = [migrations.RunPython(_gen_install_uuid)]

awx/main/utils/formatters.py

@@ -237,6 +237,13 @@ class LogstashFormatter(LogstashFormatterBase):
                 fields[log_name] = getattr(settings, setting_name, None)
             elif log_name == 'type':
                 fields[log_name] = 'other'
+
+        uuid = (
+            getattr(settings, 'LOG_AGGREGATOR_TOWER_UUID', None) or
+            getattr(settings, 'INSTALL_UUID', None)
+        )
+        if uuid:
+            fields['tower_uuid'] = uuid
         return fields
 
     def format(self, record):