Adds OpenStack settings to CMS environment

and a comment and explaining why we import aws.* in the openstack settings.

cms/envs/aws.py

@@ -265,6 +265,9 @@ if FEATURES.get('AUTH_USE_CAS'):
             CAS_ATTRIBUTE_CALLBACK['function']
         )
 
+# Specific setting for the File Upload Service to store media in a bucket.
+FILE_UPLOAD_STORAGE_BUCKET_NAME = ENV_TOKENS.get('FILE_UPLOAD_STORAGE_BUCKET_NAME', FILE_UPLOAD_STORAGE_BUCKET_NAME)
+FILE_UPLOAD_STORAGE_PREFIX = ENV_TOKENS.get('FILE_UPLOAD_STORAGE_PREFIX', FILE_UPLOAD_STORAGE_PREFIX)
 
 ################ SECURE AUTH ITEMS ###############################
 # Secret things: passwords, access keys, etc.

cms/envs/common.py

@@ -84,6 +84,10 @@ from lms.envs.common import (
     # django-debug-toolbar
     DEBUG_TOOLBAR_PATCH_SETTINGS,
     BLOCK_STRUCTURES_SETTINGS,
+
+    # File upload defaults
+    FILE_UPLOAD_STORAGE_BUCKET_NAME,
+    FILE_UPLOAD_STORAGE_PREFIX,
 )
 from path import Path as path
 from warnings import simplefilter

cms/envs/openstack.py

@@ -2,4 +2,28 @@
 Settings for OpenStack deployments.
 """
 
+# We import the aws settings because that's currently where the base settings are stored for all deployments.
+# TODO - fix this when aws.py is split/renamed.
 from .aws import *  # pylint: disable=wildcard-import, unused-wildcard-import
+
+SWIFT_AUTH_URL = AUTH_TOKENS.get('SWIFT_AUTH_URL')
+SWIFT_AUTH_VERSION = AUTH_TOKENS.get('SWIFT_AUTH_VERSION', 1)
+SWIFT_USERNAME = AUTH_TOKENS.get('SWIFT_USERNAME')
+SWIFT_KEY = AUTH_TOKENS.get('SWIFT_KEY')
+SWIFT_TENANT_NAME = AUTH_TOKENS.get('SWIFT_TENANT_NAME')
+SWIFT_TENANT_ID = AUTH_TOKENS.get('SWIFT_TENANT_ID')
+SWIFT_CONTAINER_NAME = FILE_UPLOAD_STORAGE_BUCKET_NAME
+SWIFT_NAME_PREFIX = FILE_UPLOAD_STORAGE_PREFIX
+SWIFT_USE_TEMP_URLS = AUTH_TOKENS.get('SWIFT_USE_TEMP_URLS', False)
+SWIFT_TEMP_URL_KEY = AUTH_TOKENS.get('SWIFT_TEMP_URL_KEY')
+SWIFT_TEMP_URL_DURATION = AUTH_TOKENS.get('SWIFT_TEMP_URL_DURATION', 1800)  # seconds
+
+if AUTH_TOKENS.get('SWIFT_REGION_NAME'):
+    SWIFT_EXTRA_OPTIONS = {'region_name': AUTH_TOKENS['SWIFT_REGION_NAME']}
+
+if AUTH_TOKENS.get('DEFAULT_FILE_STORAGE'):
+    DEFAULT_FILE_STORAGE = AUTH_TOKENS.get('DEFAULT_FILE_STORAGE')
+elif SWIFT_AUTH_URL and SWIFT_USERNAME and SWIFT_KEY:
+    DEFAULT_FILE_STORAGE = 'swift.storage.SwiftStorage'
+else:
+    DEFAULT_FILE_STORAGE = 'django.core.files.storage.FileSystemStorage'

lms/envs/openstack.py

@@ -2,6 +2,8 @@
 Settings for OpenStack deployments.
 """
 
+# We import the aws settings because that's currently where the base settings are stored for all deployments.
+# TODO - fix this when aws.py is split/renamed.
 from .aws import *  # pylint: disable=wildcard-import, unused-wildcard-import
 
 SWIFT_AUTH_URL = AUTH_TOKENS.get('SWIFT_AUTH_URL')