#!/bin/sh

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#  to you under the Apache License, Version 2.0 (the
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#  
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# 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="5432"
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

$pgsql_prefix/bin/psql -h $host -p $port -c "SELECT pg_start_backup('backup', true)" db 2>&1 | $pgsql_log

echo "Content-type: application/x-compressed"
echo

tar -C $root/sqldb -cz data

$pgsql_prefix/bin/psql -h $host -p $port -c "SELECT pg_stop_backup()" db 2>&1 | $pgsql_log