86 lines
1.9 KiB
Bash
Executable File
86 lines
1.9 KiB
Bash
Executable File
#!/bin/bash
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##################################################
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# Mount dir #
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# - /opt/logstash/config #
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# - /opt/logstash/data #
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# - /opt/logstash/logs #
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# - /opt/logstash/offline-plugins #
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##################################################
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set -euo pipefail
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export LANG=en_US.UTF-8
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trap Quit EXIT
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PIDS=
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GOT_SIGTERM=
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function Print {
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local file=/dev/null
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[ '-f' = "$1" ] && file=$2 && shift && shift
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date +"[%F %T] $*" | tee -a $file
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}
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function Quit {
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while :; do
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pkill -f java && Print killing java ... || break
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sleep 1
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done
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Print Container stopped.
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test -n "$GOT_SIGTERM"
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}
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function Usage {
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Print 'This container should run with
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**root user**
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**/opt/logstash/{config,data,logs,offline-plugins} mounted from host**
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'
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}
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function RestoreConf {
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if [ -z "$(ls config/)" ]; then
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Print Restoring default config files and quit ...
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tar zxf config.tgz
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GOT_SIGTERM=1
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exit 0
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fi
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}
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function InstallPlugin {
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for f in $(ls -d offline-plugins/*.zip 2>/dev/null); do
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Print Installing plugins from offline file: $f ...
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./bin/logstash-plugin install file://$f
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mv $f $f.installed
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done
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}
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function StartProc {
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Print Starting logstash ...
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./bin/logstash \
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--path.data /opt/logstash/data \
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--path.logs /opt/logstash/logs \
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--path.settings /opt/logstash/config \
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&>> logs/logstash.out &
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PIDS="$PIDS $!"
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Print Logstash started.
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}
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function Main {
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local pid=
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cd /opt/logstash
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Usage
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RestoreConf
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InstallPlugin
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StartProc
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trap "GOT_SIGTERM=1; Print Got SIGTERM ..." SIGTERM
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while [ -z "$GOT_SIGTERM" ] && sleep 2; do
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for pid in $PIDS; do
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[ ! -e /proc/$pid ] && Print Unexpected error! && exit
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done
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done
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}
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# Start here
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Main
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