Get end-to-end configuration setup working, including verification (except for Github, which is in progress)

util/config/configutil.py

@@ -0,0 +1,77 @@
+import yaml
+
+from random import SystemRandom
+
+def generate_secret_key():
+  cryptogen = SystemRandom()
+  return  str(cryptogen.getrandbits(256))
+
+
+def import_yaml(config_obj, config_file):
+  with open(config_file) as f:
+    c = yaml.safe_load(f)
+    if not c:
+      logger.debug('Empty YAML config file')
+      return
+
+    if isinstance(c, str):
+      raise Exception('Invalid YAML config file: ' + str(c))
+
+    for key in c.iterkeys():
+      if key.isupper():
+        config_obj[key] = c[key]
+
+
+def export_yaml(config_obj, config_file):
+  with open(config_file, 'w') as f:
+    f.write(yaml.safe_dump(config_obj, encoding='utf-8', allow_unicode=True))
+
+
+def set_config_value(config_file, config_key, value):
+  """ Loads the configuration from the given YAML config file, sets the given key to
+      the given value, and then writes it back out to the given YAML config file. """
+  config_obj = {}
+  import_yaml(config_obj, config_file)
+  config_obj[config_key] = value
+  export_yaml(config_obj, config_file)
+
+
+def add_enterprise_config_defaults(config_obj, current_secret_key, hostname):
+  """ Adds/Sets the config defaults for enterprise registry config. """
+  # These have to be false.
+  config_obj['TESTING'] = False
+  config_obj['USE_CDN'] = False
+
+  # Default features that are on.
+  config_obj['FEATURE_USER_LOG_ACCESS'] = config_obj.get('FEATURE_USER_LOG_ACCESS', True)
+  config_obj['FEATURE_USER_CREATION'] = config_obj.get('FEATURE_USER_CREATION', True)
+
+  # Default features that are off.
+  config_obj['FEATURE_MAILING'] = config_obj.get('FEATURE_MAILING', False)
+  config_obj['FEATURE_BUILD_SUPPORT'] = config_obj.get('FEATURE_BUILD_SUPPORT', False)
+
+  # Default auth type.
+  if not 'AUTHENTICATION_TYPE' in config_obj:
+    config_obj['AUTHENTICATION_TYPE'] = 'Database'
+
+  # Default secret key.
+  if not 'SECRET_KEY' in config_obj:
+    config_obj['SECRET_KEY'] = current_secret_key
+
+  # Default storage configuration.
+  if not 'DISTRIBUTED_STORAGE_CONFIG' in config_obj:
+    config_obj['DISTRIBUTED_STORAGE_PREFERENCE'] = ['local']
+    config_obj['DISTRIBUTED_STORAGE_CONFIG'] = {
+      'local': ['LocalStorage', {'storage_path': '/datastorage/registry'}]
+    }
+
+    config_obj['USERFILES_LOCATION'] = 'local'
+    config_obj['USERFILES_PATH'] = 'userfiles/'
+
+  if not 'SERVER_HOSTNAME' in config_obj:
+    config_obj['SERVER_HOSTNAME'] = hostname
+
+  # Misc configuration.
+  config_obj['PREFERRED_URL_SCHEME'] = config_obj.get('PREFERRED_URL_SCHEME', 'http')
+  config_obj['ENTERPRISE_LOGO_URL'] = config_obj.get('ENTERPRISE_LOGO_URL',
+                                                     '/static/img/quay-logo.png')