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#!/bin/sh
### BEGIN INIT INFO
# Provides: fcgiwrap
# Required-Start: $remote_fs
# Required-Stop: $remote_fs
# Should-Start:
# Should-Stop:
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: FastCGI wrapper
# Description: Simple server for running CGI applications over FastCGI
### END INIT INFO
PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
SPAWN_FCGI="/usr/bin/spawn-fcgi"
DAEMON="/usr/sbin/fcgiwrap"
NAME="fcgiwrap"
DESC="FastCGI wrapper"
PIDFILE="/run/$NAME.pid"
test -x $SPAWN_FCGI || exit 0
test -x $DAEMON || exit 0
# FCGI_APP Variables
FCGI_CHILDREN="1"
FCGI_SOCKET="/run/$NAME.socket"
FCGI_USER="git"
FCGI_GROUP="git"
. /lib/lsb/init-functions
# Default options, these can be overriden by the information
# at /etc/default/$NAME
DAEMON_OPTS="-f" # By default we redirect STDERR output from executed
# CGI through FastCGI, to disable this behaviour set
# DAEMON_OPTS to an empty value in the default's file
ENV_VARS="PATH='$PATH'" # We reset the environ for spawn-fcgi, but we use the
# contents of this variable as a prefix when calling it
# to export some variables (currently just the PATH)
DIETIME=10 # Time to wait for the server to die, in seconds
# If this value is set too low you might not
# let some servers to die gracefully and
# 'restart' will not work
QDIETIME=0.5 # The same as DIETIME, but a lot shorter for the
# stop case.
#STARTTIME=2 # Time to wait for the server to start, in seconds
# If this value is set each time the server is
# started (on start or restart) the script will
# stall to try to determine if it is running
# If it is not set and the server takes time
# to setup a pid file the log message might
# be a false positive (says it did not start
# when it actually did)
# Include defaults if available
if [ -f /etc/default/$NAME ] ; then
. /etc/default/$NAME
fi
set -e
running_pid() {
# Check if a given process pid's cmdline matches a given name
pid=$1
name=$2
[ -z "$pid" ] && return 1
[ ! -d /proc/$pid ] && return 1
cmd="$(cat /proc/$pid/cmdline | tr "\000" "\n"|head -n 1 |cut -d : -f 1)"
# Is this the expected server
[ "$cmd" != "$name" ] && return 1
return 0
}
running() {
# Check if the process is running looking at /proc
# (works for all users)
# No pidfile, probably no daemon present
[ ! -f "$PIDFILE" ] && return 1
PIDS="$(cat "$PIDFILE")"
for pid in $PIDS; do
if [ -n "$pid" ]; then
running_pid $pid $DAEMON && return 0 || true
fi
done
return 1
}
start_server() {
ARGS="-P $PIDFILE"
# Adjust NUMBER of processes
if [ -n "$FCGI_CHILDREN" ]; then
ARGS="$ARGS -F '$FCGI_CHILDREN'"
fi
# Adjust SOCKET or PORT and ADDR
if [ -n "$FCGI_SOCKET" ]; then
ARGS="$ARGS -s '$FCGI_SOCKET'"
elif [ -n "$FCGI_PORT" ]; then
if [ -n "$FCGI_ADDR" ]; then
ARGS="$ARGS -a '$FCGI_ADDR'"
fi
ARGS="$ARGS -p '$FCGI_PORT'"
fi
# Adjust user
if [ -n "$FCGI_USER" ]; then
ARGS="$ARGS -u '$FCGI_USER'"
if [ -n "$FCGI_SOCKET" ]; then
if [ -n "$FCGI_SOCKET_OWNER" ]; then
ARGS="$ARGS -U '$FCGI_SOCKET_OWNER'"
else
ARGS="$ARGS -U '$FCGI_USER'"
fi
fi
fi
# Adjust group
if [ -n "$FCGI_GROUP" ]; then
ARGS="$ARGS -g '$FCGI_GROUP'"
if [ -n "$FCGI_SOCKET" ]; then
if [ -n "$FCGI_SOCKET_GROUP" ]; then
ARGS="$ARGS -G '$FCGI_SOCKET_GROUP'"
else
ARGS="$ARGS -G '$FCGI_GROUP'"
fi
fi
fi
eval $(echo env -i $ENV_VARS $SPAWN_FCGI $ARGS -- $DAEMON $DAEMON_OPTS) \
> /dev/null
errcode="$?"
return $errcode
}
stop_server() {
# Force the process to die killing it manually
[ ! -e "$PIDFILE" ] && return
PIDS="$(cat "$PIDFILE")"
for pid in $PIDS; do
if running_pid $pid $DAEMON; then
kill -15 $pid
# Is it really dead?
sleep "$QDIETIME"s
if running_pid $pid $DAEMON; then
kill -9 $pid
sleep "$QDIETIME"s
if running_pid $pid $DAEMON; then
echo "Cannot kill $NAME (pid=$pid)!"
exit 1
fi
fi
fi
done
rm -f "$PIDFILE"
if [ -n "$FCGI_SOCKET" ]; then
rm -f "$FCGI_SOCKET"
fi
}
case "$1" in
start)
log_daemon_msg "Starting $DESC" "$NAME"
# Check if it's running first
if running ; then
log_progress_msg "apparently already running"
log_end_msg 0
exit 0
fi
if start_server ; then
# NOTE: Some servers might die some time after they start,
# this code will detect this issue if STARTTIME is set
# to a reasonable value
[ -n "$STARTTIME" ] && sleep $STARTTIME # Wait some time
if running ; then
# It's ok, the server started and is running
log_end_msg 0
else
# It is not running after we did start
log_end_msg 1
fi
else
# Either we could not start it
log_end_msg 1
fi
;;
stop|force-stop)
log_daemon_msg "Stopping $DESC" "$NAME"
if running ; then
# Only stop the server if we see it running
errcode=0
stop_server || errcode=$?
log_end_msg $errcode
else
# If it's not running don't do anything
log_progress_msg "apparently not running"
log_end_msg 0
exit 0
fi
;;
restart|force-reload)
log_daemon_msg "Restarting $DESC" "$NAME"
errcode=0
stop_server || errcode=$?
# Wait some sensible amount, some server need this
[ -n "$DIETIME" ] && sleep $DIETIME
start_server || errcode=$?
[ -n "$STARTTIME" ] && sleep $STARTTIME
running || errcode=$?
log_end_msg $errcode
;;
status)
log_daemon_msg "Checking status of $DESC" "$NAME"
if running ; then
log_progress_msg "running"
log_end_msg 0
else
log_progress_msg "apparently not running"
log_end_msg 1
exit 1
fi
;;
# Use this if the daemon cannot reload
reload)
log_warning_msg "Reloading $NAME daemon: not implemented, as the daemon"
log_warning_msg "cannot re-read the config file (use restart)."
;;
*)
N=/etc/init.d/$NAME
echo "Usage: $N {start|stop|force-stop|restart|force-reload|status}" >&2
exit 1
;;
esac
exit 0
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