#!/bin/bash
SRVDEST="celeste.postgresql.fr"
VERSION="9.3"
INST="main"
SNAPNAME="snapshot_$(date '+%Y_%m_%d_%H_%M_%S')"
PGDIR="/var/lib/postgresql/${VERSION}/${INST}/"
DESTDIR="/data/backups/postgresql/snapshot/${SNAPNAME}/"

rc=0

psql --cluster ${VERSION}/${INST} -c "SELECT pg_start_backup('${SNAPNAME}')"
if [ $? -ne 0 ]; then
    echo "Unable to start backup !"
    exit 1
fi

rsync -avp --exclude "pg_xlog/*" ${PGDIR} postgres@${SRVDEST}:${DESTDIR}
if [ $? -ne 0 ]; then
    echo "Error during rsync of ${PGDIR} to postgres@${SRVDEST}:${DESTDIR} !"
    rc=1
fi

psql --cluster ${VERSION}/${INST} -c "SELECT pg_stop_backup()"
if [ $? -ne 0 ]; then
    echo "Unable to stop backup !"
    rc=1
fi

exit ${rc}