debian: add systemd service file and replace gunicorn by uwsgi (fixes #21114)

debian/compat

@@ -1 +1 @@
-7
+8

debian/control

@@ -2,7 +2,7 @@ Source: petale
 Maintainer: Josue Kouka <jkouka@entrouvert.org>
 Section: python
 Priority: optional
-Build-Depends: python-setuptools (>= 0.6b3), python-all (>= 2.6.6-3), debhelper (>= 7), python-django
+Build-Depends: python-setuptools (>= 0.6b3), python-all (>= 2.6.6-3), debhelper (>= 7), python-django, dh-systemd, dh-python
 Standards-Version: 3.9.6
 X-Python-Version: >= 2.7
 
@@ -13,13 +13,14 @@ Depends: ${misc:Depends}, ${python:Depends},
     python-django-jsonfield,
     python-djangorestframework,
     python-requests,
-Description: Simple App as Key Value Interface Storage
+Description: Simple key value datastore
 
 Package: petale
 Architecture: all
 Depends: ${misc:Depends},
-    gunicorn,
     python-petale (= ${binary:Version}),
     python-psycopg2,
-Recommends: nginx, postgresql
-Description: Simple App as Key Value Interface Storage
+    uwsgi,
+    uwsgi-plugin-python
+Recommends: nginx
+Description: Simple key value datastore

debian/petale.init

@@ -7,24 +7,19 @@
 # Should-stop:       postgresql
 # Default-Start:     2 3 4 5
 # Default-Stop:      0 1 6
-# Short-Description: Authentication Reverse Proxy
-# Description:       Authentication Reverse Proxy
+# Short-Description: Petale key value datastore
+# Description:       Petale key value datastore
 ### END INIT INFO
 
 # Author:  Entr'ouvert <info@entrouvert.com>
 
 PATH=/sbin:/usr/sbin:/bin:/usr/bin
-DESC="Authentication Reverse Proxy"
+DESC="Petale key value datastore"
 NAME=petale
-DAEMON=/usr/bin/gunicorn
+DAEMON=/usr/bin/uwsgi
 RUN_DIR=/run/$NAME
 PIDFILE=$RUN_DIR/$NAME.pid
-LOG_DIR=/var/log/$NAME
 SCRIPTNAME=/etc/init.d/$NAME
-BIND=unix:$RUN_DIR/$NAME.sock
-WORKERS=5
-TIMEOUT=30
-LOG_LEVEL=debug
 
 PETALE_SETTINGS_FILE=/usr/lib/$NAME/debian_config.py
 MANAGE_SCRIPT="/usr/bin/$NAME-manage"
@@ -38,18 +33,10 @@ GROUP=$NAME
 # Read configuration variable file if it is present
 [ -r /etc/default/$NAME ] && . /etc/default/$NAME
 
-DAEMON_ARGS=${DAEMON_ARGS:-"--pid $PIDFILE \
---user $USER --group $GROUP \
---daemon \
---access-logfile $LOG_DIR/gunicorn-access.log \
---log-file $LOG_DIR/gunicorn-error.log \
---log-level=$LOG_LEVEL \
---bind=$BIND  \
---workers=$WORKERS \
---worker-class=sync \
---timeout=$TIMEOUT \
---name $NAME \
-$NAME.wsgi:application"}
+DAEMON_ARGS=${DAEMON_ARGS:-"--pidfile $PIDFILE 
+--uid $USER --gid $GROUP
+--ini /etc/$NAME/uwsgi.ini
+--daemonize /var/log/uwsgi.$NAME.log"}
 
 # Load the VERBOSE setting and other rcS variables
 . /lib/init/vars.sh
@@ -122,8 +109,8 @@ do_reload() {
 }
 
 do_migrate() {
-    log_action_msg "Applying migrations (migrate_schemas).."
-    su $USER -s /bin/sh -p -c "$MANAGE_SCRIPT migrate_schemas"
+    log_action_msg "Applying migrations.."
+    su $USER -s /bin/sh -p -c "$MANAGE_SCRIPT migrate --noinput"
     log_action_msg "done"
 }
 

debian/petale.install

@@ -1,3 +1,4 @@
-debian/petale-manage       /usr/bin
+debian/petale-manage      /usr/bin
 debian/settings.py        /etc/petale
 debian/debian_config.py   /usr/lib/petale
+debian/uwsgi.ini          /etc/petale

debian/petale.service

@@ -0,0 +1,24 @@
+[Unit]
+Description=Petale key value datastore
+After=network.target syslog.target postgresql.service
+Wants=postgresql.service
+
+[Service]
+Environment=PETALE_SETTINGS_FILE=/usr/lib/%p/debian_config.py
+User=%p
+Group=%p
+ExecStartPre=/usr/bin/petale-manage migrate --noinput
+ExecStartPre=/usr/bin/petale-manage collectstatic --noinput
+ExecStart=/usr/bin/uwsgi --ini /etc/%p/uwsgi.ini
+ExecReload=/bin/kill -HUP $MAINPID
+KillSignal=SIGQUIT
+PrivateTmp=true
+Restart=on-failure
+RuntimeDirectory=petale
+Type=notify
+StandardError=syslog
+NotifyAccess=all
+
+[Install]
+WantedBy=multi-user.target
+

debian/rules

@@ -5,4 +5,4 @@
 #export DH_VERBOSE=1
 
 %:
-	dh $@ --with python2
+	dh $@ --with python2,systemd

debian/uwsgi.ini

@@ -0,0 +1,20 @@
+[uwsgi]
+auto-procname = true
+procname-prefix-spaced = petale
+
+plugin = python
+module = petale.wsgi:application
+
+http-socket = /run/petale/petale.sock
+chmod-socket = 666
+vacuum = true
+
+master = true
+processes = 5
+harakiri = 30
+
+buffer-size = 32768
+
+if-file = /etc/petale/uwsgi-local.ini
+  include = /etc/petale/uwsgi-local.ini
+endif =