diff options
Diffstat (limited to 'meta-oe/recipes-dbs/influxdb/influxdb/influxdb')
| -rwxr-xr-x | meta-oe/recipes-dbs/influxdb/influxdb/influxdb | 235 |
1 files changed, 235 insertions, 0 deletions
diff --git a/meta-oe/recipes-dbs/influxdb/influxdb/influxdb b/meta-oe/recipes-dbs/influxdb/influxdb/influxdb new file mode 100755 index 0000000000..ffb29c3ae6 --- /dev/null +++ b/meta-oe/recipes-dbs/influxdb/influxdb/influxdb @@ -0,0 +1,235 @@ +#!/bin/bash +### BEGIN INIT INFO +# Provides: influxd +# Required-Start: $all +# Required-Stop: $remote_fs $syslog +# Default-Start: 2 3 4 5 +# Default-Stop: 0 1 6 +# Short-Description: Start the InfluxDB process +### END INIT INFO +set -x +# If you modify this, please make sure to also edit influxdb.service + +# Command-line options that can be set in /etc/default/influxdb. These will override +# any config file values. +DEFAULT=/etc/default/influxdb + +# Daemon options +INFLUXD_OPTS= + +# Process name ( For display ) +NAME=influxdb + +# User and group +USER=influxdb +GROUP=influxdb + +# Check for sudo or root privileges before continuing +if [ "$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=/var/log/influxdb/influxd.log +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 \ + --background \ + --chuid $USER:$GROUP \ + --start \ + --quiet \ + --pidfile $PIDFILE \ + --exec $DAEMON \ + -- \ + -config $CONFIG \ + $INFLUXD_OPTS >>$STDOUT 2>>$STDERR + else + local CMD="$DAEMON -config $CONFIG $INFLUXD_OPTS >>$STDOUT 2>>$STDERR &" + su -s /bin/sh -c "$CMD" $USER + fi + + # Sleep to verify process is still up + sleep 1 + echo $(pidof influxd) > $PIDFILE + if [ -f $PIDFILE ]; then + # PIDFILE exists + PID="$(cat $PIDFILE)" + if kill -0 "$PID" &>/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 |