Make ecommerce gunicorn worker class configurable.

playbooks/roles/ecommerce/defaults/main.yml

@@ -186,6 +186,7 @@ ecommerce_service_config_overrides:
   DEFAULT_SITE_THEME: "{{ ECOMMERCE_DEFAULT_SITE_THEME }}"
   CSRF_COOKIE_SECURE: "{{ ECOMMERCE_CSRF_COOKIE_SECURE }}"
 
+ECOMMERCE_GUNICORN_WORKER_CLASS: "gevent"
 ECOMMERCE_GUNICORN_EXTRA: ""
 
 ECOMMERCE_CSRF_COOKIE_SECURE: false

playbooks/roles/ecommerce/meta/main.yml

@@ -44,6 +44,7 @@ dependencies:
     edx_django_service_basic_auth_exempted_paths_extra:
       - payment
       - \.well-known/apple-developer-merchantid-domain-association
+    edx_django_service_gunicorn_worker_class: "{{ ECOMMERCE_GUNICORN_WORKER_CLASS }}"
   - role: antivirus
     ANTIVIRUS_SCAN_DIRECTORY: "{{ ECOMMERCE_ANTIVIRUS_SCAN_DIRECTORY }}"
     when: ECOMMERCE_ENABLE_ANTIVIRUS