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 \
+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
-end script

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 \
+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
-end script

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 \
+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
-end script

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 \
+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
-end script