mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-12-12 17:32:32 +00:00
228 lines
5.1 KiB
Bash
Executable File
228 lines
5.1 KiB
Bash
Executable File
#!/bin/sh
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### BEGIN INIT INFO
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# Provides: clickhouse-server
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# Default-Start: 2 3 4 5
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# Default-Stop: 0 1 6
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# Should-Start: $time $network
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# Should-Stop: $network
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# Short-Description: clickhouse-server daemon
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### END INIT INFO
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#
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# NOTES:
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# - Should-* -- script can start if the listed facilities are missing, unlike Required-*
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#
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# For the documentation [1]:
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#
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# [1]: https://wiki.debian.org/LSBInitScripts
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CLICKHOUSE_USER=clickhouse
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CLICKHOUSE_GROUP=${CLICKHOUSE_USER}
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SHELL=/bin/bash
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PROGRAM=clickhouse-server
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CLICKHOUSE_GENERIC_PROGRAM=clickhouse
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CLICKHOUSE_PROGRAM_ENV=""
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EXTRACT_FROM_CONFIG=${CLICKHOUSE_GENERIC_PROGRAM}-extract-from-config
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CLICKHOUSE_CONFDIR=/etc/$PROGRAM
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CLICKHOUSE_LOGDIR=/var/log/clickhouse-server
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CLICKHOUSE_LOGDIR_USER=root
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CLICKHOUSE_DATADIR=/var/lib/clickhouse
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if [ -d "/var/lock" ]; then
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LOCALSTATEDIR=/var/lock
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else
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LOCALSTATEDIR=/run/lock
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fi
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if [ ! -d "$LOCALSTATEDIR" ]; then
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mkdir -p "$LOCALSTATEDIR"
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fi
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CLICKHOUSE_BINDIR=/usr/bin
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CLICKHOUSE_CRONFILE=/etc/cron.d/clickhouse-server
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CLICKHOUSE_CONFIG=$CLICKHOUSE_CONFDIR/config.xml
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LOCKFILE=$LOCALSTATEDIR/$PROGRAM
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CLICKHOUSE_PIDDIR=/var/run/$PROGRAM
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CLICKHOUSE_PIDFILE="$CLICKHOUSE_PIDDIR/$PROGRAM.pid"
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# CLICKHOUSE_STOP_TIMEOUT=60 # Disabled by default. Place to /etc/default/clickhouse if you need.
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# Some systems lack "flock"
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command -v flock >/dev/null && FLOCK=flock
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# Override defaults from optional config file
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test -f /etc/default/clickhouse && . /etc/default/clickhouse
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die()
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{
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echo $1 >&2
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exit 1
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}
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# Check that configuration file is Ok.
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check_config()
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{
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if [ -x "$CLICKHOUSE_BINDIR/$EXTRACT_FROM_CONFIG" ]; then
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su -s $SHELL ${CLICKHOUSE_USER} -c "$CLICKHOUSE_BINDIR/$EXTRACT_FROM_CONFIG --config-file=\"$CLICKHOUSE_CONFIG\" --key=path" >/dev/null || die "Configuration file ${CLICKHOUSE_CONFIG} doesn't parse successfully. Won't restart server. You may use forcerestart if you are sure.";
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fi
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}
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initdb()
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{
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${CLICKHOUSE_GENERIC_PROGRAM} install --user "${CLICKHOUSE_USER}" --pid-path "${CLICKHOUSE_PIDDIR}" --config-path "${CLICKHOUSE_CONFDIR}" --binary-path "${CLICKHOUSE_BINDIR}"
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}
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start()
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{
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${CLICKHOUSE_GENERIC_PROGRAM} start --user "${CLICKHOUSE_USER}" --pid-path "${CLICKHOUSE_PIDDIR}" --config-path "${CLICKHOUSE_CONFDIR}" --binary-path "${CLICKHOUSE_BINDIR}"
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}
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stop()
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{
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${CLICKHOUSE_GENERIC_PROGRAM} stop --pid-path "${CLICKHOUSE_PIDDIR}"
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}
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restart()
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{
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${CLICKHOUSE_GENERIC_PROGRAM} restart --user "${CLICKHOUSE_USER}" --pid-path "${CLICKHOUSE_PIDDIR}" --config-path "${CLICKHOUSE_CONFDIR}" --binary-path "${CLICKHOUSE_BINDIR}"
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}
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forcestop()
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{
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${CLICKHOUSE_GENERIC_PROGRAM} stop --force --pid-path "${CLICKHOUSE_PIDDIR}"
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}
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service_or_func()
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{
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if [ -x "/bin/systemctl" ] && [ -f /etc/systemd/system/clickhouse-server.service ] && [ -d /run/systemd/system ]; then
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systemctl $1 $PROGRAM
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else
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$1
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fi
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}
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forcerestart()
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{
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forcestop
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# Should not use 'start' function if systemd active
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service_or_func start
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}
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use_cron()
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{
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# 1. running systemd
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if [ -x "/bin/systemctl" ] && [ -f /etc/systemd/system/clickhouse-server.service ] && [ -d /run/systemd/system ]; then
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return 1
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fi
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# 2. disabled by config
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if [ -z "$CLICKHOUSE_CRONFILE" ]; then
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return 2
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fi
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return 0
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}
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# returns false if cron disabled (with systemd)
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enable_cron()
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{
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use_cron && sed -i 's/^#*//' "$CLICKHOUSE_CRONFILE"
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}
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# returns false if cron disabled (with systemd)
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disable_cron()
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{
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use_cron && sed -i 's/^#*/#/' "$CLICKHOUSE_CRONFILE"
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}
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is_cron_disabled()
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{
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use_cron || return 0
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# Assumes that either no lines are commented or all lines are commented.
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# Also please note, that currently cron file for ClickHouse has only one line (but some time ago there was more).
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grep -q -E '^#' "$CLICKHOUSE_CRONFILE";
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}
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main()
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{
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# See how we were called.
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EXIT_STATUS=0
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case "$1" in
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start)
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service_or_func start && enable_cron
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;;
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stop)
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disable_cron
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service_or_func stop
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;;
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restart)
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service_or_func restart && enable_cron
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;;
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forcestop)
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disable_cron
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forcestop
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;;
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forcerestart)
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forcerestart && enable_cron
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;;
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reload)
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service_or_func restart
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;;
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condstart)
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service_or_func start
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;;
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condstop)
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service_or_func stop
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;;
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condrestart)
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service_or_func restart
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;;
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condreload)
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service_or_func restart
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;;
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initdb)
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initdb
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;;
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enable_cron)
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enable_cron
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;;
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disable_cron)
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disable_cron
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;;
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*)
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echo "Usage: $0 {start|stop|status|restart|forcestop|forcerestart|reload|condstart|condstop|condrestart|condreload|initdb}"
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exit 2
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;;
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esac
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exit $EXIT_STATUS
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}
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status()
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{
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${CLICKHOUSE_GENERIC_PROGRAM} status --pid-path "${CLICKHOUSE_PIDDIR}"
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}
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# Running commands without need of locking
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case "$1" in
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status)
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status
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exit 0
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;;
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esac
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(
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if $FLOCK -n 9; then
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main "$@"
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else
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echo "Init script is already running" && exit 1
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fi
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) 9> $LOCKFILE
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