93 lines
2.9 KiB
Django/Jinja
Executable File
93 lines
2.9 KiB
Django/Jinja
Executable File
#!/bin/bash
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set -eu
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DATE=$(date '+%Y%m%d %H%M%S')
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TODAY=$(date '+%Y%m%d')
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HOSTNAME=$(hostname -s)
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STATUS=0
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LOGFILE="/data/log/scripts/postgresql-dump-databases.log"
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PGSQL_HOST="localhost"
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PGSQL_USER="{{ postgresql_backup_user }}"
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COMPRESS=false
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touch ${LOGFILE}
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#
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# Fonctions
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#
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checkNas()
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{
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if [ ! -e "${BACKUPDIR}/.mount" ]; then
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echo "${BACKUPDIR} not mounted. Backup aborted." | tee -a ${LOGFILE}
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exit 1
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fi
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}
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usage()
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{
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echo "$0 -r <retention> -d <repertoire> -c (compression)"
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echo "Exemple : /data/scripts/postgresql-dump-full.sh -r 20 -d /nas -c"
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}
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#
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# Main
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#
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while getopts "hcr:d:" option
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do
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case "${option}"
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in
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r)
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RETENTION=${OPTARG};;
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d)
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BACKUPDIR=${OPTARG};;
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c)
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COMPRESS=true;;
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h | *)
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usage
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exit 1;;
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esac
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done
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echo "Lancement du dump - Retention : ${RETENTION} - Repertoire : ${BACKUPDIR}" | tee -a ${LOGFILE}
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mkdir -p "$BACKUPDIR"/postgresqldump/ | tee -a ${LOGFILE}
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find "$BACKUPDIR"/postgresqldump/ -mindepth 1 -maxdepth 1 -type f -daystart -mtime +"${RETENTION}" -delete | tee -a ${LOGFILE}
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# Ne marche pas quand le backup tourne sur un replica
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#echo "[${DATE}] - Granting superuser to ${PGSQL_USER} user" | tee -a ${LOGFILE}
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#/usr/bin/su - postgres -c "psql --command 'ALTER USER ${PGSQL_USER} WITH SUPERUSER'" | tee -a ${LOGFILE}
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DB_LIST=$(/usr/bin/su - postgres -c "psql --csv --command 'select datname from pg_catalog.pg_database'")
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for db in ${DB_LIST} ; do
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if [ ! "$db" = "datname" ] && [ ! "$db" = "template0" ] ; then
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echo "[${DATE}] - Dumping database : $db" | tee -a ${LOGFILE}
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if [ $COMPRESS = true ] ; then
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/usr/bin/pg_dump -Z gzip -f "${BACKUPDIR}"/postgresqldump/"${TODAY}"-"${HOSTNAME}"-"${db}".gz -U "${PGSQL_USER}" -w -h "${PGSQL_HOST}" "${db}" | tee -a ${LOGFILE}
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STATUS=${PIPESTATUS[0]}
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else
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/usr/bin/pg_dump -f "${BACKUPDIR}"/postgresqldump/"${TODAY}"-"${HOSTNAME}"-"${db}".sql -U "${PGSQL_USER}" -w -h "${PGSQL_HOST}" "${db}" | tee -a "${LOGFILE}"
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STATUS=${PIPESTATUS[0]}
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fi
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if [ ! ${STATUS} -eq 0 ]; then
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echo "[${DATE}][CRIT] Dump of $db failed" | tee -a ${LOGFILE}
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echo "[${DATE}] - Revoking superuser from ${PGSQL_USER} user" | tee -a ${LOGFILE}
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/usr/bin/su - postgres -c "psql --command 'ALTER USER ${PGSQL_USER} WITH NOSUPERUSER'" | tee -a ${LOGFILE}
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OUTPUT="${OUTPUT} $db"
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break
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fi
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fi
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done
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# Ne marche pas quand le backup tourne sur un replica
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#echo "[${DATE}] - Revoking superuser from ${PGSQL_USER} user" | tee -a ${LOGFILE}
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#/usr/bin/su - postgres -c "psql --command 'ALTER USER ${PGSQL_USER} WITH NOSUPERUSER'" | tee -a ${LOGFILE}
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STATUS=$?
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# output in statusfile for checkmk
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echo "$(date +%s)|${STATUS}|Check log file ${LOGFILE}" > /var/tmp/batch."$(basename "$0")"
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echo "Fin du dump - Retention : ${RETENTION} - Repertoire : ${BACKUPDIR}" | tee -a ${LOGFILE}
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