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#!/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.
# PostgreSQL archive command
here=`echo "import os; print os.path.realpath('$0')" | python`; here=`dirname $here`
root=`echo "import os; print os.path.realpath('$1')" | python`
host=$2
port=$3
walp=$4
walf=$5
# Copy WAL to archive directory
if [ ! -f $root/sqldb/archive/$walf ]; then
cp $walp $root/sqldb/archive/$walf
rc=$?
if [ "$rc" != "0" ]; then
exit $rc
fi
fi
# Trigger a backup if we have 10 WAL files archived since the last backup
lastbak=`ls $root/sqldb/archive | sort -r | grep "\.backup$" | head -1`
if [ "$lastbak" = "" ]; then
exit 0
fi
wals=`ls $root/sqldb/archive | sort -r | grep -v "\.backup\.tar\.gz$"`
w=0
for f in $wals; do
if [ "$f" = "$lastbak" ]; then
break
fi
w=$((w+1))
if [ "$w" = "10" ]; then
nohup /bin/sh -c "$here/pgsql-backup $root $host $port" 1>/dev/null 2>/dev/null &
break
fi
done
exit 0
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