| #!/bin/sh |
| |
| # 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. |
| |
| # Backup postgresql data directory |
| here=`echo "import os; print os.path.realpath('$0')" | python`; here=`dirname $here` |
| root=`echo "import os; print os.path.realpath('$1')" | python` |
| |
| if [ "$2" = "" ]; then |
| host="localhost" |
| port="6432" |
| else |
| host="$2" |
| port="$3" |
| fi |
| |
| pgsql_prefix=`cat $here/pgsql.prefix` |
| |
| if [ -f "$root/sqldb/log.conf" ]; then |
| pgsql_log=`cat $root/sqldb/log.conf` |
| else |
| mkdir -p $root/logs |
| pgsql_log="cat >>$root/logs/postgresql" |
| fi |
| mkdir -p $root/sqldb |
| echo $pgsql_log >$root/sqldb/logger |
| |
| mkdir -p $root/sqldb/backup |
| mkdir -p $root/sqldb/archive |
| |
| # Make sure that only one backup is in progress at a time |
| if [ -f $root/sqldb/backup/inprogress ]; then |
| exit 0 |
| fi |
| touch $root/sqldb/backup/inprogress |
| |
| # Backup |
| stamp=`date +%Y%m%d%H%M%S` |
| $pgsql_prefix/bin/psql -h $host -p $port -c "SELECT pg_start_backup('$stamp', true)" db 2>&1 | sh $root/sqldb/logger |
| |
| uname=`uname -s` |
| if [ $uname = "Darwin" ]; then |
| tar=gnutar |
| else |
| tar=tar |
| fi |
| $tar -C $root/sqldb --exclude data/postmaster.pid --exclude data/postmaster.opts --exclude data/pg_xlog --ignore-failed-read -czf $root/sqldb/backup/$stamp.backup.tar.gz data |
| rc=$? |
| if [ "$rc" = "0" ]; then |
| mv $root/sqldb/backup/$stamp.backup.tar.gz $root/sqldb/archive/$stamp.backup.tar.gz |
| fi |
| |
| $pgsql_prefix/bin/psql -h $host -p $port -c "SELECT pg_stop_backup()" db 2>&1 | sh $root/sqldb/logger |
| |
| if [ "$rc" != "0" ]; then |
| rm -f $root/sqldb/backup/inprogress |
| exit $rc |
| fi |
| |
| # Clean obsolete backup and WAL files |
| $here/pgsql-clean-archive $root |
| |
| rm -f $root/sqldb/backup/inprogress |
| |