119 lines
3.0 KiB
Bash
Executable File
119 lines
3.0 KiB
Bash
Executable File
#!/bin/bash
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##################################################
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# Docker #
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# -- privileged #
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# Mount dir #
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# - /opt/es/config #
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# - /opt/es/data #
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# - /opt/es/logs #
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# - /opt/es/offline-plugins #
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# - /opt/es/plugins #
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# ENV #
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# - _CONF_* #
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# - ES_JAVA_OPTS #
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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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**privileted**
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**/opt/es/{config,data,logs,offline-plugins,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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exit
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fi
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}
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function ModifyConf {
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Print Modifying $conf ...
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local kv=
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local conf='config/elasticsearch.yml'
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while read kv; do
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[ -z "$kv" ] && break
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sed -i "/^${kv%%=*}: /d" $conf
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echo "${kv/=/: }" >> $conf
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done <<< "$(env | grep '^_CONF_' | sed 's/_CONF_//')"
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Print Removing path.data and path.log in $conf ...
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sed -i -e '/^path\.data/d' -e '/^path\.logs/d' $conf
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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: $f ...
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./bin/elasticsearch-plugin install file://$f
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mv $f $f.installed
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done
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}
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function ChangeOwner {
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Print Changing file owner ...
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chown -R es:es config/ data/ logs/ plugins/
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}
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function ChangeSysConf {
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Print Changing system conf ...
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echo 262144 > /proc/sys/vm/max_map_count || Print Not specified "--privileged".
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}
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function StartProc {
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Print Starting elasticsearch ...
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su - es -c "
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export JAVA_HOME=$JAVA_HOME
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export PATH=$PATH
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export ES_JAVA_OPTS='${ES_JAVA_OPTS:-}'
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/opt/es/bin/elasticsearch -Epath.data=/opt/es/data -Epath.logs=/opt/es/logs
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" &> /dev/null &
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PIDS="$PIDS $!"
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Print Elasticsearch started.
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}
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function Main {
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local pid=
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cd /opt/es
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Usage
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RestoreConf
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ModifyConf
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InstallPlugin
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ChangeOwner
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ChangeSysConf
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StartProc
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trap "GOT_SIGTERM=1; Print Got SIGTERM ..." SIGTERM
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while [ -z "$GOT_SIGTERM" ] && sleep 1; 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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