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Remove pleaserun (via bin/system-install) usage
This change removes the usage of 'pleaserun', which was leveraged create the init.d scripts or systemd units. Now, we ship init.d scripts and systemd units to make the maintenance easier and following the lead of the other Elastic projects. Fixes: elastic#10519, Fixes: elastic#12439
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24 changes: 24 additions & 0 deletions
24
pkg/service_templates/systemd/lib/systemd/system/logstash.service
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,24 @@ | ||
| [Unit] | ||
| Description=logstash | ||
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| [Service] | ||
| Type=simple | ||
| User=logstash | ||
| Group=logstash | ||
| # Load env vars from /etc/default/ and /etc/sysconfig/ if they exist. | ||
| # Prefixing the path with '-' makes it try to load, but if the file doesn't | ||
| # exist, it continues onward. | ||
| EnvironmentFile=-/etc/default/logstash | ||
| EnvironmentFile=-/etc/sysconfig/logstash | ||
| ExecStart=/usr/share/logstash/bin/logstash "--path.settings" "/etc/logstash" | ||
| Restart=always | ||
| WorkingDirectory=/ | ||
| Nice=19 | ||
| LimitNOFILE=16384 | ||
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| # When stopping, how long to wait before giving up and sending SIGKILL? | ||
| # Keep in mind that SIGKILL on a process can cause data loss. | ||
| TimeoutStopSec=infinity | ||
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| [Install] | ||
| WantedBy=multi-user.target |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,10 @@ | ||
| LS_HOME="/usr/share/logstash" | ||
| LS_SETTINGS_DIR="/etc/logstash" | ||
| LS_PIDFILE="/var/run/logstash.pid" | ||
| LS_USER="logstash" | ||
| LS_GROUP="logstash" | ||
| LS_GC_LOG_FILE="/var/log/logstash/gc.log" | ||
| LS_OPEN_FILES="16384" | ||
| LS_NICE="19" | ||
| SERVICE_NAME="logstash" | ||
| SERVICE_DESCRIPTION="logstash" |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,182 @@ | ||
| #!/bin/sh | ||
| # Init script for logstash | ||
| # Maintained by | ||
| # Generated by pleaserun. | ||
| # Implemented based on LSB Core 3.1: | ||
| # * Sections: 20.2, 20.3 | ||
| # | ||
| ### BEGIN INIT INFO | ||
| # Provides: logstash | ||
| # Required-Start: $remote_fs $syslog | ||
| # Required-Stop: $remote_fs $syslog | ||
| # Default-Start: 2 3 4 5 | ||
| # Default-Stop: 0 1 6 | ||
| # Short-Description: | ||
| # Description: logstash | ||
| ### END INIT INFO | ||
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| PATH=/sbin:/usr/sbin:/bin:/usr/bin | ||
| export PATH | ||
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| name=logstash | ||
| program=/usr/share/logstash/bin/logstash | ||
| args=--path.settings\ /etc/logstash | ||
| pidfile="/var/run/$name.pid" | ||
| user="logstash" | ||
| group="logstash" | ||
| chroot="/" | ||
| chdir="/" | ||
| nice="19" | ||
| limit_open_files="16384" | ||
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| # If this is set to 1, then when `stop` is called, if the process has | ||
| # not exited within a reasonable time, SIGKILL will be sent next. | ||
| # The default behavior is to simply log a message "program stop failed; still running" | ||
| KILL_ON_STOP_TIMEOUT=0 | ||
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| # When loading default and sysconfig files, we use `set -a` to make | ||
| # all variables automatically into environment variables. | ||
| set -a | ||
| [ -r /etc/default/logstash ] && . /etc/default/logstash | ||
| [ -r /etc/sysconfig/logstash ] && . /etc/sysconfig/logstash | ||
| set +a | ||
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| [ -z "$nice" ] && nice=0 | ||
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| trace() { | ||
| logger -t "/etc/init.d/logstash" "$@" | ||
| } | ||
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| emit() { | ||
| trace "$@" | ||
| echo "$@" | ||
| } | ||
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| start() { | ||
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| # Ensure the log directory is setup correctly. | ||
| if [ ! -d "/var/log" ]; then | ||
| mkdir "/var/log" | ||
| chown "$user":"$group" "/var/log" | ||
| chmod 755 "/var/log" | ||
| fi | ||
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| # Setup any environmental stuff beforehand | ||
| ulimit -n ${limit_open_files} | ||
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| # Run the program! | ||
| nice -n "$nice" \ | ||
| chroot --userspec "$user":"$group" "$chroot" sh -c " | ||
| ulimit -n ${limit_open_files} | ||
| cd \"$chdir\" | ||
| exec \"$program\" $args | ||
| " >> /var/log/logstash-stdout.log 2>> /var/log/logstash-stderr.log & | ||
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| # Generate the pidfile from here. If we instead made the forked process | ||
| # generate it there will be a race condition between the pidfile writing | ||
| # and a process possibly asking for status. | ||
| echo $! > $pidfile | ||
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| emit "$name started" | ||
| return 0 | ||
| } | ||
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| stop() { | ||
| # Try a few times to kill TERM the program | ||
| if status ; then | ||
| pid=$(cat "$pidfile") | ||
| trace "Killing $name (pid $pid) with SIGTERM" | ||
| kill -TERM $pid | ||
| # Wait for it to exit. | ||
| for i in 1 2 3 4 5 ; do | ||
| trace "Waiting $name (pid $pid) to die..." | ||
| status || break | ||
| sleep 1 | ||
| done | ||
| if status ; then | ||
| if [ "$KILL_ON_STOP_TIMEOUT" -eq 1 ] ; then | ||
| trace "Timeout reached. Killing $name (pid $pid) with SIGKILL. This may result in data loss." | ||
| kill -KILL $pid | ||
| emit "$name killed with SIGKILL." | ||
| else | ||
| emit "$name stop failed; still running." | ||
| fi | ||
| else | ||
| emit "$name stopped." | ||
| fi | ||
| fi | ||
| } | ||
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| status() { | ||
| if [ -f "$pidfile" ] ; then | ||
| pid=$(cat "$pidfile") | ||
| if ps -p $pid > /dev/null 2> /dev/null ; then | ||
| # process by this pid is running. | ||
| # It may not be our pid, but that's what you get with just pidfiles. | ||
| # TODO(sissel): Check if this process seems to be the same as the one we | ||
| # expect. It'd be nice to use flock here, but flock uses fork, not exec, | ||
| # so it makes it quite awkward to use in this case. | ||
| return 0 | ||
| else | ||
| return 2 # program is dead but pid file exists | ||
| fi | ||
| else | ||
| return 3 # program is not running | ||
| fi | ||
| } | ||
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| force_stop() { | ||
| if status ; then | ||
| stop | ||
| status && kill -KILL $(cat "$pidfile") | ||
| fi | ||
| } | ||
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| case "$1" in | ||
| force-start|start|stop|force-stop|restart) | ||
| trace "Attempting '$1' on logstash" | ||
| ;; | ||
| esac | ||
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| case "$1" in | ||
| force-start) | ||
| PRESTART=no | ||
| exec "$0" start | ||
| ;; | ||
| start) | ||
| status | ||
| code=$? | ||
| if [ $code -eq 0 ]; then | ||
| emit "$name is already running" | ||
| exit $code | ||
| else | ||
| start | ||
| exit $? | ||
| fi | ||
| ;; | ||
| stop) stop ;; | ||
| force-stop) force_stop ;; | ||
| status) | ||
| status | ||
| code=$? | ||
| if [ $code -eq 0 ] ; then | ||
| emit "$name is running" | ||
| else | ||
| emit "$name is not running" | ||
| fi | ||
| exit $code | ||
| ;; | ||
| restart) | ||
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| stop && start | ||
| ;; | ||
| *) | ||
| echo "Usage: $SCRIPTNAME {start|force-start|stop|force-start|force-stop|status|restart}" >&2 | ||
| exit 3 | ||
| ;; | ||
| esac | ||
|
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| exit $? |
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