| #!/bin/bash |
| # |
| # Licensed to the Apache Software Foundation (ASF) under one or more |
| # contributor license agreements. See the NOTICE file distributed with |
| # this work for additional information regarding copyright ownership. |
| # The ASF licenses this file to You under the Apache License, Version 2.0 |
| # (the "License"); you may not use this file except in compliance with |
| # the License. You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| # |
| # Shell script to take a snapshot of a Solr Lucene collection. |
| |
| orig_dir=$(pwd) |
| cd ${0%/*}/.. |
| solr_root=$(pwd) |
| cd ${orig_dir} |
| |
| unset data_dir user verbose debug |
| . ${solr_root}/bin/scripts-util |
| |
| # set up variables |
| prog=${0##*/} |
| log=${solr_root}/logs/${prog}.log |
| |
| # define usage string |
| USAGE="\ |
| usage: $prog [-d dir] [-u username] [-v] [-V] [-c] |
| -d specify directory holding index data |
| -u specify user to sudo to before running script |
| -v increase verbosity |
| -V output debugging info |
| -c only take snapshot if different than previous |
| " |
| |
| # parse args |
| while getopts d:u:vVc OPTION |
| do |
| case $OPTION in |
| d) |
| data_dir="$OPTARG" |
| ;; |
| u) |
| user="$OPTARG" |
| ;; |
| v) |
| verbose="v" |
| ;; |
| V) |
| debug="V" |
| ;; |
| c) |
| check=1 |
| ;; |
| *) |
| echo "$USAGE" |
| exit 1 |
| esac |
| done |
| |
| [[ -n $debug ]] && set -x |
| |
| fixUser "$@" |
| |
| dataDir |
| |
| setStartTime |
| |
| logMessage started by $oldwhoami |
| logMessage command: $0 $@ |
| |
| snap_name=snapshot.`date +"%Y%m%d%H%M%S"` |
| name=${data_dir}/${snap_name} |
| temp=${data_dir}/temp-${snap_name} |
| |
| if [[ -d ${name} ]] |
| then |
| logMessage snapshot directory ${name} already exists |
| logExit aborted 1 |
| fi |
| |
| if [[ -d ${temp} ]] |
| then |
| logMessage snapshoting of ${name} in progress |
| logExit aborted 1 |
| fi |
| |
| if [[ ${check} ]] |
| then |
| previous=`find ${data_dir} -name snapshot.\* | sort -r | head -1` |
| if [[ -d ${previous} ]] |
| then |
| differences=`diff -q ${data_dir}/index ${previous} | wc -l` |
| if [[ ${differences} -lt 1 ]] |
| then |
| logMessage Snap would be same as last, exiting |
| logExit aborted 1 |
| fi |
| fi |
| fi |
| |
| # clean up after INT/TERM |
| trap 'echo cleaning up, please wait ...;/bin/rm -rf ${name} ${temp};logExit aborted 13' INT TERM |
| |
| logMessage taking snapshot ${name} |
| |
| # take a snapshot using hard links into temporary location |
| # then move it into place atomically |
| if [[ "${OS}" == "SunOS" || "${OS}" == "Darwin" || "${OS}" == "FreeBSD" ]] |
| then |
| orig_dir=$(pwd) |
| mkdir ${temp} |
| cd ${data_dir}/index |
| find . -print|cpio -pdlmu ${temp} 1>/dev/null 2>&1 |
| cd ${orig_dir} |
| else |
| cp -lr ${data_dir}/index ${temp} |
| fi |
| mv ${temp} ${name} |
| |
| logExit ended 0 |
| |