mirror of https://github.com/apache/lucene.git
106 lines
1.9 KiB
Plaintext
106 lines
1.9 KiB
Plaintext
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#!/bin/bash
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#
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# $Id: backup.template,v 1.4 2005/06/09 15:33:13 billa Exp $
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# $Source: /cvs/main/searching/solar-tools/backup.template,v $
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# $Name: r20050725_standardized_server_enabled $
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#
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# Shell script to make a backup of a SOLAR Lucene collection.
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export PATH=/sbin:/usr/sbin:/bin:/usr/bin:$PATH
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# sudo to app user if necessary
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if [[ $(whoami) != app ]]
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then
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sudo -u app $0 "$@"
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exit $?
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fi
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oldwhoami=$(who -m | cut -d' ' -f1 | sed -e's/^.*!//')
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if [[ "${oldwhoami}" == "" ]]
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then
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oldwhoami=`ps h -Hfp $(pgrep -g0 ${0##*/}) | tail -1|cut -f1 -d" "`
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fi
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# set up variables
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prog=${0##*/}
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log=logs/${prog}.log
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# define usage string
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USAGE="\
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usage: $prog [ -v ]
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-v increase verbosity
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"
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unset verbose
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# parse args
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originalargs="$@"
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while getopts v OPTION
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do
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case $OPTION in
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v)
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verbose="v"
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;;
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*)
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echo "$USAGE"
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exit 1
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esac
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done
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shift $(( OPTIND - 1 ))
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start=`date +"%s"`
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function timeStamp
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{
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date +'%Y%m%d-%H%M%S'
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}
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function logMessage
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{
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echo $(timeStamp) $@>>$log
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if [[ -n ${verbose} ]]
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then
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echo $@
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fi
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}
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function logExit
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{
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end=`date +"%s"`
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diff=`expr $end - $start`
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echo "$(timeStamp) $1 (elapsed time: $diff sec)">>$log
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exit $2
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}
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cd ${0%/*}/../..
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logMessage started by $oldwhoami
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logMessage command: $0 $originalargs
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name=backup.`date +"%Y%m%d%H%M%S"`
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temp=temp-${name}
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if [[ -d ${name} ]]
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then
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logMessage backup directory ${name} already exists
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logExit aborted 1
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fi
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if [[ -d ${temp} ]]
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then
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logMessage backingup of ${name} in progress
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logExit aborted 1
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fi
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# clean up after INT/TERM
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trap 'echo cleaning up, please wait ...;/bin/rm -rf ${name} ${temp};logExit aborted 13' INT TERM
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logMessage making backup ${name}
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# make a backup using hard links into temporary location
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# then move it into place atomically
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cp -lr index ${temp}
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mv ${temp} ${name}
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logExit ended 0
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