use start-stop-deamon in init scripts

etc/init/pandora-cron.conf

@@ -12,13 +12,16 @@ env VENV=/srv/pandora
 env USER=pandora
 env HOME=/home/pandora
 
-script
+pre-start script
 test -e /var/log/pandora || (mkdir -p /var/log/pandora && chown $USER:$USER /var/log/pandora)
 test -e /var/run/pandora || (mkdir -p /var/run/pandora && chown $USER:$USER /var/run/pandora)
-cd $VENV/pandora
-exec /usr/bin/sudo -u $USER $VENV/bin/python $VENV/pandora/manage.py celerybeat \
-                   -s /var/run/pandora/celerybeat-schedule \
-                   --pidfile /var/run/pandora/pandora-cron.pid \
-                   -f /var/log/pandora/pandora-cron.log \
-                   -l INFO
 end script
+
+exec start-stop-daemon \
+    --start -c $USER -d $VENV/pandora \
+    -n pandora-cron --exec $VENV/bin/python -- \
+    $VENV/pandora/manage.py celerybeat \
+       -s /var/run/pandora/celerybeat-schedule \
+       --pidfile /var/run/pandora/pandora-cron.pid \
+       -f /var/log/pandora/pandora-cron.log \
+       -l INFO

etc/init/pandora-encoding.conf

@@ -12,14 +12,17 @@ env VENV=/srv/pandora
 env USER=pandora
 env HOME=/home/pandora
 
-script
+pre-start script
 test -e /var/log/pandora || (mkdir -p /var/log/pandora && chown $USER:$USER /var/log/pandora)
 test -e /var/run/pandora || (mkdir -p /var/run/pandora && chown $USER:$USER /var/run/pandora)
-cd $VENV/pandora
-exec /usr/bin/sudo -u $USER $VENV/bin/python $VENV/pandora/manage.py celeryd \
-                   -Q encoding \
-                   -n pandora-encoding \
-                   --pidfile /var/run/pandora/pandora-encoding.pid \
-                   -f /var/log/pandora/pandora-encoding.log \
-                   -l INFO
 end script
+
+exec start-stop-daemon \
+    --start -c $USER -d $VENV/pandora \
+    -n pandora-encoding --exec $VENV/bin/python -- \
+    $VENV/pandora/manage.py celeryd \
+       -Q encoding \
+       -n pandora-encoding \
+       --pidfile /var/run/pandora/pandora-encoding.pid \
+       -f /var/log/pandora/pandora-encoding.log \
+       -l INFO

etc/init/pandora-tasks.conf

@@ -12,14 +12,17 @@ env VENV=/srv/pandora
 env USER=pandora
 env HOME=/home/pandora
 
-script
+pre-start script
 test -e /var/log/pandora || (mkdir -p /var/log/pandora && chown $USER:$USER /var/log/pandora)
 test -e /var/run/pandora || (mkdir -p /var/run/pandora && chown $USER:$USER /var/run/pandora)
-cd $VENV/pandora
-exec /usr/bin/sudo -u $USER $VENV/bin/python $VENV/pandora/manage.py celeryd \
-                   -Q default,celery \
-                   -n pandora-default \
-                   --pidfile /var/run/pandora/pandora-tasks.pid \
-                   -f /var/log/pandora/pandora-tasks.log \
-                   -l INFO
 end script
+
+exec start-stop-daemon \
+    --start -c $USER -d $VENV/pandora \
+    -n pandora-tasks --exec $VENV/bin/python -- \
+    $VENV/pandora/manage.py celeryd \
+       -Q default,celery \
+       -n pandora-default \
+       --pidfile /var/run/pandora/pandora-tasks.pid \
+       -f /var/log/pandora/pandora-tasks.log \
+       -l INFO

etc/init/pandora.conf

@@ -12,15 +12,18 @@ env VENV=/srv/pandora
 env USER=pandora
 env HOME=/home/pandora
 
-script
+pre-start script
 test -e /var/log/pandora || (mkdir -p /var/log/pandora && chown $USER:$USER /var/log/pandora)
 test -e /var/run/pandora || (mkdir -p /var/run/pandora && chown $USER:$USER /var/run/pandora)
 cd $VENV/pandora
 /usr/bin/sudo -u $USER ./manage.py compile_pyc
-exec /usr/bin/sudo -u $USER $VENV/bin/gunicorn_django \
-                   --bind      127.0.0.1:2620 \
-                   --timeout   90 \
-                   -p /var/run/pandora/pandora.pid \
-                   --log-level info --log-file /var/log/pandora/pandora.log \
-                   --workers   5
 end script
+
+exec start-stop-daemon \
+    --start -c $USER -d $VENV/pandora --exec \
+    $VENV/bin/gunicorn_django -- \
+       --bind      127.0.0.1:2620 \
+       --timeout   90 \
+       -p /var/run/pandora/pandora.pid \
+       --log-level info --log-file /var/log/pandora/pandora.log \
+       --workers   5