Configure Tower in Tower:

* Add separate Django app for configuration: awx.conf.
* Migrate from existing main.TowerSettings model to conf.Setting.
* Add settings wrapper to allow get/set/del via django.conf.settings.
* Update existing references to tower_settings to use django.conf.settings.
* Add a settings registry to allow for each Django app to register configurable settings.
* Support setting validation and conversion using Django REST Framework fields.
* Add /api/v1/settings/ to display a list of setting categories.
* Add /api/v1/settings/<slug>/ to display all settings in a category as a single object.
* Allow PUT/PATCH to update setting singleton, DELETE to reset to defaults.
* Add "all" category to display all settings across categories.
* Add "changed" category to display only settings configured in the database.
* Support per-user settings via "user" category (/api/v1/settings/user/).
* Support defaults for user settings via "user-defaults" category (/api/v1/settings/user-defaults/).
* Update serializer metadata to support category, category_slug and placeholder on OPTIONS responses.
* Update serializer metadata to handle child fields of a list/dict.
* Hide raw data form in browsable API for OPTIONS and DELETE.
* Combine existing licensing code into single "TaskEnhancer" class.
* Move license helper functions from awx.api.license into awx.conf.license.
* Update /api/v1/config/ to read/verify/update license using TaskEnhancer and settings wrapper.
* Add support for caching settings accessed via settings wrapper.
* Invalidate cached settings when Setting model changes or is deleted.
* Preload all database settings into cache on first access via settings wrapper.
* Add support for read-only settings than can update their value depending on other settings.
* Use setting_changed signal whenever a setting changes.
* Register configurable authentication, jobs, system and ui settings.
* Register configurable LDAP, RADIUS and social auth settings.
* Add custom fields and validators for URL, LDAP, RADIUS and social auth settings.
* Rewrite existing validator for Credential ssh_private_key to support validating private keys, certs or combinations of both.
* Get all unit/functional tests working with above changes.
* Add "migrate_to_database_settings" command to determine settings to be migrated into the database and comment them out when set in Python settings files.
* Add support for migrating license key from file to database.
* Remove database-configuable settings from local_settings.py example files.
* Update setup role to no longer install files for database-configurable settings.

f 94ff6ee More settings work.
f af4c4e0 Even more db settings stuff.
f 96ea9c0 More settings, attempt at singleton serializer for settings.
f 937c760 More work on singleton/category views in API, add code to comment out settings in Python files, work on command to migrate settings to database.
f 425b0d3 Minor fixes for sprint demo.
f ea402a4 Add support for read-only settings, cleanup license engine, get license support working with DB settings.
f ec289e4 Rename migration, minor fixmes, update setup role.
f 603640b Rewrite key/cert validator, finish adding social auth fields, hook up signals for setting_changed, use None to imply a setting is not set.
f 67d1b5a Get functional/unit tests passing.
f 2919b62 Flake8 fixes.
f e62f421 Add redbaron to requirements, get file to database migration working (except for license).
f c564508 Add support for migrating license file.
f 982f767 Add support for regex in social map fields.

awx/main/models/jobs.py

@@ -31,7 +31,6 @@ from awx.main.models.notifications import (
 from awx.main.utils import decrypt_field, ignore_inventory_computed_fields
 from awx.main.utils import emit_websocket_notification
 from awx.main.redact import PlainTextCleaner
-from awx.main.conf import tower_settings
 from awx.main.fields import ImplicitRoleField
 from awx.main.models.mixins import ResourceMixin
 
@@ -483,9 +482,9 @@ class JobTemplate(UnifiedJobTemplate, JobOptions, ResourceMixin):
 
     @property
     def cache_timeout_blocked(self):
-        if Job.objects.filter(job_template=self, status__in=['pending', 'waiting', 'running']).count() > getattr(tower_settings, 'SCHEDULE_MAX_JOBS', 10):
+        if Job.objects.filter(job_template=self, status__in=['pending', 'waiting', 'running']).count() > getattr(settings, 'SCHEDULE_MAX_JOBS', 10):
             logger.error("Job template %s could not be started because there are more than %s other jobs from that template waiting to run" %
-                         (self.name, getattr(tower_settings, 'SCHEDULE_MAX_JOBS', 10)))
+                         (self.name, getattr(settings, 'SCHEDULE_MAX_JOBS', 10)))
             return True
         return False
 
@@ -552,7 +551,7 @@ class Job(UnifiedJob, JobOptions, JobNotificationMixin):
         return reverse('api:job_detail', args=(self.pk,))
 
     def get_ui_url(self):
-        return urljoin(tower_settings.TOWER_URL_BASE, "/#/jobs/{}".format(self.pk))
+        return urljoin(settings.TOWER_URL_BASE, "/#/jobs/{}".format(self.pk))
 
     @property
     def task_auth_token(self):
@@ -1376,7 +1375,7 @@ class SystemJob(UnifiedJob, SystemJobOptions, JobNotificationMixin):
         return reverse('api:system_job_detail', args=(self.pk,))
 
     def get_ui_url(self):
-        return urljoin(tower_settings.TOWER_URL_BASE, "/#/management_jobs/{}".format(self.pk))
+        return urljoin(settings.TOWER_URL_BASE, "/#/management_jobs/{}".format(self.pk))
 
     def is_blocked_by(self, obj):
         return True