influxdb-1.7.11-linux-amd64.tar.gz

#!/bin/bash ### BEGIN INIT INFO # Provides: influxd # Required-Start: $all # Required-Stop: $remote_fs $syslog # Default-Start: 2 3 4 5 # Default-Stop: 0 1 6 # Short-Description: Start the InfluxDB process ### END INIT INFO # If you modify this, please make sure to also edit influxdb.service # Command-line options that can be set in /etc/default/influxdb. These will override # any config file values. DEFAULT=/etc/default/influxdb # Daemon options INFLUXD_OPTS= # Process name ( For display ) NAME=influxdb # User and group USER=influxdb GROUP=influxdb # Check for sudo or root privileges before continuing if [ "$UID" != "0" ]; then echo "You must be root to run this script" exit 1 fi # Daemon name, where is the actual executable If the daemon is not # there, then exit. DAEMON=/usr/bin/influxd if [ ! -x $DAEMON ]; then echo "Executable $DAEMON does not exist!" exit 5 fi # Configuration file CONFIG=/etc/influxdb/influxdb.conf # PID file for the daemon PIDFILE=/var/run/influxdb/influxd.pid PIDDIR=`dirname $PIDFILE` if [ ! -d "$PIDDIR" ]; then mkdir -p $PIDDIR chown $USER:$GROUP $PIDDIR fi # Max open files OPEN_FILE_LIMIT=65536 if [ -r /lib/lsb/init-functions ]; then source /lib/lsb/init-functions fi # Logging if [ -z "$STDOUT" ]; then STDOUT=/dev/null fi if [ ! -f "$STDOUT" ]; then mkdir -p $(dirname $STDOUT) fi if [ -z "$STDERR" ]; then STDERR=/var/log/influxdb/influxd.log fi if [ ! -f "$STDERR" ]; then mkdir -p $(dirname $STDERR) fi # Override init script variables with DEFAULT values if [ -r $DEFAULT ]; then source $DEFAULT fi function log_failure_msg() { echo "$@" "[ FAILED ]" } function log_success_msg() { echo "$@" "[ OK ]" } function start() { # Check if config file exist if [ ! -r $CONFIG ]; then log_failure_msg "config file $CONFIG doesn't exist (or you don't have permission to view)" exit 4 fi # Check that the PID file exists, and check the actual status of process if [ -f $PIDFILE ]; then PID="$(cat $PIDFILE)" if kill -0 "$PID" &>/dev/null; then # Process is already up log_success_msg "$NAME process is already running" return 0 fi else su -s /bin/sh -c "touch $PIDFILE" $USER &>/dev/null if [ $? -ne 0 ]; then log_failure_msg "$PIDFILE not writable, check permissions" exit 5 fi fi # Bump the file limits, before launching the daemon. These will # carry over to launched processes. ulimit -n $OPEN_FILE_LIMIT if [ $? -ne 0 ]; then log_failure_msg "Unable to set ulimit to $OPEN_FILE_LIMIT" exit 1 fi # Launch process echo "Starting $NAME..." if command -v start-stop-daemon &>/dev/null; then start-stop-daemon \ --chuid $USER:$GROUP \ --start \ --quiet \ --pidfile $PIDFILE \ --exec $DAEMON \ -- \ -pidfile $PIDFILE \ -config $CONFIG \ $INFLUXD_OPTS >>$STDOUT 2>>$STDERR & else local CMD="$DAEMON -pidfile $PIDFILE -config $CONFIG $INFLUXD_OPTS >>$STDOUT 2>>$STDERR &" su -s /bin/sh -c "$CMD" $USER fi # Sleep to verify process is still up sleep 1 if [ -f $PIDFILE ]; then # PIDFILE exists if kill -0 $(cat $PIDFILE) &>/dev/null; then # PID up, service running log_success_msg "$NAME process was started" return 0 fi fi log_failure_msg "$NAME process was unable to start" exit 1 } function stop() { # Stop the daemon. if [ -f $PIDFILE ]; then local PID="$(cat $PIDFILE)" if kill -0 $PID &>/dev/null; then echo "Stopping $NAME..." # Process still up, send SIGTERM and remove PIDFILE kill -s TERM $PID &>/dev/null && rm -f "$PIDFILE" &>/dev/null n=0 while true; do # Enter loop to ensure process is stopped kill -0 $PID &>/dev/null if [ "$?" != "0" ]; then # Process stopped, break from loop log_success_msg "$NAME process was stopped" return 0 fi # Process still up after signal, sleep and wait sleep 1 n=$(expr $n + 1) if [ $n -eq 30 ]; then # After 30 seconds, send SIGKILL echo "Timeout exceeded, sending SIGKILL..." kill -s KILL $PID &>/dev/null elif [ $? -eq 40 ]; then # After 40 seconds, error out log_failure_msg "could not stop $NAME process" exit 1 fi done fi fi log_success_msg "$NAME process already stopped" } function restart() { # Restart the daemon. stop start } function status() { # Check the status of the process. if [ -f $PIDFILE ]; then PID="$(cat $PIDFILE)" if kill -0 $PID &>/dev/null; then log_success_msg "$NAME process is running" exit 0 fi fi log_failure_msg "$NAME process is not running" exit 1 } case $1 in start) start ;; stop) stop ;; restart) restart ;; status) status ;; version) $DAEMON version ;; *) # For invalid arguments, print the usage message. echo "Usage: $0 {start|stop|restart|status|version}" exit 2 ;; esac