Allowing overrides on a per environment basis

app/__init__.py

@@ -31,6 +31,7 @@ def create_app(app_name=None):
     application = Flask(__name__)
 
     application.config.from_object(os.environ['NOTIFY_API_ENVIRONMENT'])
+
     if app_name:
         application.config['NOTIFY_APP_NAME'] = app_name
 

aws_run_celery.py

@@ -2,11 +2,21 @@
 from app import notify_celery, create_app
 from credstash import getAllSecrets
 import os
+from config import configs
+
+default_env_file = '/home/ubuntu/environment'
+environment = 'live'
+
+if os.path.isfile(default_env_file):
+    environment_file = open(default_env_file, 'r')
+    environment = environment_file.readline().strip()
 
 # on aws get secrets and export to env
 secrets = getAllSecrets(region="eu-west-1")
 for key, val in secrets.items():
     os.environ[key] = val
 
+os.environ['NOTIFY_API_ENVIRONMENT'] = configs[environment]
+
 application = create_app()
 application.app_context().push()

config.py

@@ -84,3 +84,9 @@ class Development(Config):
 
 class Test(Development):
     pass
+
+configs = {
+    'live': 'config_live.Live',
+    'staging': 'config_staging.Staging',
+    'preview': 'config.Config'
+}

config_live.py

@@ -0,0 +1,16 @@
+import os
+from config import Config
+
+
+class Live(Config):
+    ADMIN_BASE_URL = os.environ['LIVE_ADMIN_BASE_URL']
+    ADMIN_CLIENT_SECRET = os.environ['LIVE_ADMIN_CLIENT_SECRET']
+    DANGEROUS_SALT = os.environ['LIVE_DANGEROUS_SALT']
+    NOTIFICATION_QUEUE_PREFIX = os.environ['LIVE_NOTIFICATION_QUEUE_PREFIX']
+    NOTIFY_JOB_QUEUE = os.environ['LIVE_NOTIFY_JOB_QUEUE']
+    SECRET_KEY = os.environ['LIVE_SECRET_KEY']
+    SQLALCHEMY_DATABASE_URI = os.environ['LIVE_SQLALCHEMY_DATABASE_URI']
+    VERIFY_CODE_FROM_EMAIL_ADDRESS = os.environ['LIVE_VERIFY_CODE_FROM_EMAIL_ADDRESS']
+    NOTIFY_EMAIL_DOMAIN = os.environ['LIVE_NOTIFY_EMAIL_DOMAIN']
+    FIRETEXT_API_KEY = os.getenv("LIVE_FIRETEXT_API_KEY")
+    TWILIO_AUTH_TOKEN = os.getenv('LIVE_TWILIO_AUTH_TOKEN')

config_staging.py

@@ -0,0 +1,16 @@
+import os
+from config import Config
+
+
+class Staging(Config):
+    ADMIN_BASE_URL = os.environ['STAGING_ADMIN_BASE_URL']
+    ADMIN_CLIENT_SECRET = os.environ['STAGING_ADMIN_CLIENT_SECRET']
+    DANGEROUS_SALT = os.environ['STAGING_DANGEROUS_SALT']
+    NOTIFICATION_QUEUE_PREFIX = os.environ['STAGING_NOTIFICATION_QUEUE_PREFIX']
+    NOTIFY_JOB_QUEUE = os.environ['STAGING_NOTIFY_JOB_QUEUE']
+    SECRET_KEY = os.environ['STAGING_SECRET_KEY']
+    SQLALCHEMY_DATABASE_URI = os.environ['STAGING_SQLALCHEMY_DATABASE_URI']
+    VERIFY_CODE_FROM_EMAIL_ADDRESS = os.environ['STAGING_VERIFY_CODE_FROM_EMAIL_ADDRESS']
+    NOTIFY_EMAIL_DOMAIN = os.environ['STAGING_NOTIFY_EMAIL_DOMAIN']
+    FIRETEXT_API_KEY = os.getenv("STAGING_FIRETEXT_API_KEY")
+    TWILIO_AUTH_TOKEN = os.getenv('STAGING_TWILIO_AUTH_TOKEN')

wsgi.py

@@ -2,13 +2,24 @@ import os
 
 from app import create_app
 from credstash import getAllSecrets
+from config import configs
+
+
+default_env_file = '/home/ubuntu/environment'
+environment = 'live'
+
+if os.path.isfile(default_env_file):
+    environment_file = open(default_env_file, 'r')
+    environment = environment_file.readline().strip()
 
 # on aws get secrets and export to env
 secrets = getAllSecrets(region="eu-west-1")
 for key, val in secrets.items():
     os.environ[key] = val
 
+os.environ['NOTIFY_API_ENVIRONMENT'] = configs[environment]
+
 application = create_app()
 
 if __name__ == "__main__":
-        application.run()
+    application.run()