blender_extensions/asgi.py

@@ -1,16 +0,0 @@
-"""
-ASGI config for blender_extensions project.
-
-It exposes the ASGI callable as a module-level variable named ``application``.
-
-For more information on this file, see
-https://docs.djangoproject.com/en/4.0/howto/deployment/asgi/
-"""
-
-import os
-
-from django.core.asgi import get_asgi_application
-
-os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'blender_extensions.settings')
-
-application = get_asgi_application()

blender_extensions/settings.py

@@ -120,6 +120,7 @@ WSGI_APPLICATION = 'blender_extensions.wsgi.application'
 DATABASES = {
     'default': dj_database_url.config(default='sqlite:///{}'.format(BASE_DIR / 'db.sqlite3')),
 }
+DATABASES['default']['CONN_MAX_AGE'] = None
 
 # Password validation
 # https://docs.djangoproject.com/en/4.0/ref/settings/#auth-password-validators

playbooks/install.yaml

@@ -48,18 +48,7 @@
       tags:
         - dotenv
 
-    - name: Copying ASGI config files
+    - import_tasks: tasks/configure_uwsgi.yaml
-      ansible.builtin.template:
-        src: "{{ item.src }}"
-        dest: "{{ item.dest }}"
-        mode: 0644
-      loop:
-        - { src: templates/asgi/asgi.service, dest: "/etc/systemd/system/{{ service_name }}.service" }
-      notify:
-        - restart service
-      tags:
-        - asgi
-        - gunicorn
 
     - import_tasks: tasks/deploy.yaml
 

playbooks/tasks/configure_uwsgi.yaml

@@ -0,0 +1,22 @@
+---
+- name: Ensure /etc/uwsgi directory
+  ansible.builtin.file:
+    path: /etc/uwsgi
+    owner: root
+    group: root
+    state: directory
+    mode: '0755'
+  tags:
+    - uwsgi
+- name: Copying uWSGI config files
+  ansible.builtin.template:
+    src: "{{ item.src }}"
+    dest: "{{ item.dest }}"
+    mode: 0644
+  loop:
+    - { src: templates/uwsgi/uwsgi.ini, dest: "/etc/uwsgi/{{ service_name }}.ini" }
+    - { src: templates/uwsgi/uwsgi.service, dest: "/etc/systemd/system/{{ service_name }}.service" }
+  notify:
+    - restart service
+  tags:
+    - uwsgi

playbooks/templates/asgi/asgi.service

@@ -1,24 +0,0 @@
-[Unit]
-Description={{ project_name }} {{ env|capitalize }}
-After=syslog.target network.target
-
-[Service]
-User={{ user }}
-Group={{ group }}
-EnvironmentFile={{ env_file }}
-ExecStart={{ dir.source }}/.venv/bin/gunicorn {{ asgi_module }} -b 127.0.0.1:{{ port }} --max-requests {{ max_requests }} --max-requests-jitter {{ max_requests_jitter }} --workers {{ workers }} -k uvicorn.workers.UvicornWorker
-ExecReload=/bin/kill -s HUP $MAINPID
-Restart=always
-KillMode=mixed
-Type=notify
-SyslogIdentifier={{ service_name }}
-NotifyAccess=all
-WorkingDirectory={{ dir.source }}
-
-PrivateTmp=true
-ProtectHome=true
-ProtectSystem=full
-CapabilityBoundingSet=~CAP_SYS_ADMIN
-
-[Install]
-WantedBy=multi-user.target

playbooks/templates/uwsgi/uwsgi.ini

@@ -0,0 +1,34 @@
+[uwsgi]
+uid             = {{ user }}
+gid             = {{ group }}
+pidfile         = {{ uwsgi_pid }}
+env             = DJANGO_SETTINGS_MODULE={{ django_settings_module }}
+env             = LANG=en_US.UTF-8
+
+# Django-related settings
+# the base directory (full path)
+chdir           = {{ dir.source }}
+# Django's wsgi file
+module          = {{ uwsgi_module }}
+# the virtualenv (full path)
+virtualenv      = {{ dir.source }}/.venv/
+
+buffer-size     = 32768
+max-requests    = 5000
+
+# process-related settings
+master          = true
+# maximum number of worker processes
+processes       = 4
+# listen on HTTP port, use Keep-Alive
+http11-socket   = 127.0.0.1:{{ port }}
+http-keepalive  = 1
+
+# clear environment on exit
+vacuum          = true
+# silence "OSError: write error" generated by timing out clients
+disable-write-exception = true
+# running behind a proxy_pass, X-FORWARDED-FOR is the "real" IP address that should be logged
+log-x-forwarded-for     = true
+# disable request logging: web server in front of uWSGI does this job better
+disable-logging = true

playbooks/templates/uwsgi/uwsgi.service

@@ -0,0 +1,23 @@
+[Unit]
+Description={{ project_name }} {{ env|capitalize }} service.
+After=syslog.target
+
+[Service]
+User={{ user }}
+Group={{ group }}
+EnvironmentFile={{ env_file }}
+ExecStart={{ dir.source }}/.venv/bin/uwsgi --ini /etc/uwsgi/{{ service_name }}.ini
+Restart=always
+KillSignal=SIGQUIT
+Type=notify
+SyslogIdentifier={{ service_name }}
+NotifyAccess=all
+WorkingDirectory={{ dir.source }}
+
+PrivateTmp=true
+ProtectHome=true
+ProtectSystem=full
+CapabilityBoundingSet=~CAP_SYS_ADMIN
+
+[Install]
+WantedBy=multi-user.target

playbooks/vars_common.yaml

@@ -3,9 +3,8 @@ project_name: Blender Extensions
 project_slug: blender-extensions
 service_name: "{{ project_slug }}-{{ env }}"
 background_service_name: '{{ service_name }}-background.service'
-
-asgi_module: blender_extensions.asgi:application
 django_settings_module: blender_extensions.settings
+uwsgi_module: blender_extensions.wsgi:application
 max_requests: 1000
 max_requests_jitter: 50
 port: 8200
@@ -21,6 +20,7 @@ dir:
   errors: "/var/www/{{ service_name }}/html/errors"
 
 env_file: "{{ dir.source }}/.env"
+uwsgi_pid: "{{ dir.source }}/{{ service_name }}.pid"
 
 nginx:
   user: www-data

requirements.txt

@@ -50,6 +50,5 @@ six==1.16.0
 sqlparse==0.4.2
 toml==0.10.2
 urllib3==1.26.11
-uvicorn==0.18.2
 webencodings==0.5.1
 yarl==1.7.2

requirements_prod.txt

@@ -1,3 +1,3 @@
 -r requirements.txt
 psycopg2==2.9.3
-gunicorn==20.1.0
+uwsgi==2.0.23