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August 22, 2011 10:54
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This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -0,0 +1,249 @@ #! /bin/sh ### BEGIN INIT INFO # Provides: node_debian_init # Required-Start: $remote_fs $named $syslog # Required-Stop: $remote_fs $named $syslog # Default-Start: 2 3 4 5 # Default-Stop: 0 1 6 # Short-Description: DEBIAN initscript for node.js servers/apps # Description: ex : proxy server is a node.js http server listening on # port 8080 (relayed from 80 by iptables). It balances # http requests between the main nodejs server # (nodejs.mydomain.com:8000), the static file-server # (static.mydomain.com) and the legacy apache server # (apache.mydomain.com) and possibly other servers # place this file in /etc/init.d. ### END INIT INFO # Author: My Name <[email protected]> # # Please remove the "Author" lines above and replace them # with your own name if you copy and modify this script. # ______________________________________________________________________________ # # PATH should only include /usr/* if it runs after the mountnfs.sh script PATH=/sbin:/usr/sbin:/bin:/usr/bin:/usr/local/bin # modify if you need APPLICATION_DIR=/var/www/vhosts/kb.ihloff.de/htdocs/peergroup/current/app-node/ DAEMON_ARGS="server.js" # path to your node.js server/app # NB: don't use ~/ in path DESC="peergroup node.js http server" # whatever fancy description you like NODEUSER=peergroup # USER who OWNS the daemon process (no matter whoever runs the init script) # user:group (if no group is specified, the primary GID for that user is used) LOCAL_VAR_RUN=/usr/local/var/run # in case the init script is run by non-root user, you need to # indicate a directory writeable by $NODEUSER to store the PID file # NB : 1) /usr/local/var/run does not exist by DEFAULT. Either create it # or choose one of your own liking. # 2) node, npm,... are best NOT installed/run as ROOT. # (see here: https://github.com/isaacs/npm/blob/master/README.md) NAME=node # name of the node.js executable DAEMON=/usr/local/bin/$NAME # # # # END </MODIFY TO REFLECT YOUR SETTINGS> # # (Nothing else to modify from this point on...) # # ------------------------------------------------------------------------------ # Do NOT "set -e" THIS_ARG=$0 INIT_SCRIPT_NAME=`basename $THIS_ARG` [ -h $THIS_ARG ] && INIT_SCRIPT_NAME=`basename $(readlink $THIS_ARG)` # in case of symlink INIT_SCRIPT_NAME_NOEXT=${INIT_SCRIPT_NAME%.*} PIDFILE="$LOCAL_VAR_RUN/$INIT_SCRIPT_NAME_NOEXT.pid" SCRIPTNAME=/etc/init.d/$INIT_SCRIPT_NAME # Exit if the package is not installed [ -x "$DAEMON" ] || { echo "can't find Node.js ($DAEMON)" >&2; exit 0; } # Exit if the 'run' folder is not present [ -d "$LOCAL_VAR_RUN" ] || { echo "Directory $LOCAL_VAR_RUN does not exist. Modify the '$INIT_SCRIPT_NAME_NOEXT' init.d script ($THIS_ARG) accordingly" >&2; exit 0; } # Read configuration variable file if it is present [ -r /etc/default/$INIT_SCRIPT_NAME ] && . /etc/default/$INIT_SCRIPT_NAME # Load the VERBOSE setting and other rcS variables . /lib/init/vars.sh # Define LSB log_* functions. # Depend on lsb-base (>= 3.0-6) to ensure that this file is present. . /lib/lsb/init-functions # uncomment to override system setting # VERBOSE=yes # # Function that starts the daemon/service # do_start() { # Return # 0 if daemon has been started # 1 if daemon was already running # 2 if daemon could not be started start-stop-daemon --start --quiet --pidfile $PIDFILE --chuid $NODEUSER --background --exec $DAEMON --test > /dev/null \ || { [ "$VERBOSE" != no ] && log_daemon_msg " ---> Daemon already running $DESC" "$INIT_SCRIPT_NAME_NOEXT"; return 1; } start-stop-daemon --start --quiet --chuid $NODEUSER --make-pidfile --pidfile $PIDFILE --background --chdir $APPLICATION_DIR --exec $DAEMON -- \ $DAEMON_ARGS \ || { [ "$VERBOSE" != no ] && log_daemon_msg " ---> could not be start $DESC" "$INIT_SCRIPT_NAME_NOEXT"; return 2; } # Add code here, if necessary, that waits for the process to be ready # to handle requests from services started subsequently which depend # on this one. As a last resort, sleep for some time. [ "$VERBOSE" != no ] && log_daemon_msg " ---> started $DESC" "$INIT_SCRIPT_NAME_NOEXT" } # # Function that stops the daemon/service # do_stop() { # Return # 0 if daemon has been stopped # 1 if daemon was already stopped # 2 if daemon could not be stopped # other if a failure occurred start-stop-daemon --stop --quiet --retry=TERM/30/KILL/5 --pidfile $PIDFILE --chuid $NODEUSER --name $DAEMON RETVAL="$?" #[ "$VERBOSE" != no ] && [ "$RETVAL" = 1 ] && log_daemon_msg " ---> SIGKILL failed => hardkill $DESC" "$INIT_SCRIPT_NAME_NOEXT" [ "$RETVAL" = 2 ] && return 2 # Wait for children to finish too if this is a daemon that forks # and if the daemon is only ever run from this initscript. # If the above conditions are not satisfied then add some other code # that waits for the process to drop all resources that could be # needed by services started subsequently. A last resort is to # sleep for some time. start-stop-daemon --stop --quiet --oknodo --retry=0/3/KILL/5 --pidfile $PIDFILE --chuid $NODEUSER --exec $DAEMON -- $DAEMON_ARGS [ "$?" = 2 ] && return 2 # Many daemons don't delete their pidfiles when they exit. rm -f $PIDFILE [ "$VERBOSE" != no ] && [ "$RETVAL" = 1 ] && log_daemon_msg " ---> $DESC not running" "$INIT_SCRIPT_NAME_NOEXT" [ "$VERBOSE" != no -a "$RETVAL" = 0 ] && log_daemon_msg " ---> $DESC stopped" "$INIT_SCRIPT_NAME_NOEXT" return "$RETVAL" } # # Function that sends a SIGHUP to the daemon/service # do_reload() { # # If the daemon can reload its configuration without # restarting (for example, when it is sent a SIGHUP), # then implement that here. # start-stop-daemon --stop --quiet --signal 1 --pidfile $PIDFILE --chuid $NODEUSER --name $NAME return 0 } # # Function that returns the daemon # do_status() { # # http://refspecs.freestandards.org/LSB_3.1.1/LSB-Core-generic/LSB-Core-generic/iniscrptact.html # 0 program is running or service is OK # 1 program is dead and /var/run pid file exists # (2 program is dead and /var/lock lock file exists) (not used here) # 3 program is not running # 4 program or service status is unknown RUNNING=$(running) # $PIDFILE corresponds to a live $NAME process ispidactive=$(pidof $NAME | grep `cat $PIDFILE 2>&1` >/dev/null 2>&1) ISPIDACTIVE=$? if [ -n "$RUNNING" ]; then if [ $ISPIDACTIVE ]; then log_success_msg "$INIT_SCRIPT_NAME_NOEXT (launched by $USER) (--chuid $NODEUSER) is running" exit 0 fi else if [ -f $PIDFILE ]; then log_success_msg "$INIT_SCRIPT_NAME_NOEXT (launched by $USER) (--chuid $NODEUSER) is not running, phantom pidfile $PIDFILE" exit 1 else log_success_msg "no instance launched by $USER, of $INIT_SCRIPT_NAME_NOEXT (--chuid $NODEUSER) found" exit 3 fi fi } running() { RUNSTAT=$(start-stop-daemon --start --quiet --pidfile $PIDFILE --chuid $NODEUSER --background --exec $DAEMON --test > /dev/null) if [ "$?" = 1 ]; then echo y fi } case "$1" in start) [ "$VERBOSE" != no ] && log_daemon_msg "Starting $DESC" "$INIT_SCRIPT_NAME_NOEXT" do_start case "$?" in 0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;; 2) [ "$VERBOSE" != no ] && log_end_msg 1 ;; esac ;; stop) [ "$VERBOSE" != no ] && log_daemon_msg "Stopping $DESC" "$INIT_SCRIPT_NAME_NOEXT" do_stop case "$?" in 0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;; 2) [ "$VERBOSE" != no ] && log_end_msg 1 ;; esac ;; #reload|force-reload) # # If do_reload() is not implemented then leave this commented out # and leave 'force-reload' as an alias for 'restart'. # #log_daemon_msg "Reloading $DESC" "$NAME" #do_reload #log_end_msg $? #;; restart|force-reload) # # If the "reload" option is implemented then remove the # 'force-reload' alias # log_daemon_msg "Restarting $DESC" "$INIT_SCRIPT_NAME_NOEXT" do_stop case "$?" in 0|1) do_start case "$?" in 0) log_end_msg 0 ;; 1) log_end_msg 1 ;; # Old process is still running *) log_end_msg 1 ;; # Failed to start esac ;; *) # Failed to stop log_end_msg 1 ;; esac ;; status) do_status ;; *) #echo "Usage: $SCRIPTNAME {start|stop|restart|reload|force-reload}" >&2 echo "Usage: $SCRIPTNAME {start|stop|restart|force-reload}" >&2 exit 3 ;; esac exit 0