#!/bin/sh

set -eu

umask 027

DESTDIR="/srv/backup"
DATE="$(date +%Y-%m-%d)"

cd "$DESTDIR"
find . -xdev -mindepth 3 -maxdepth 3 -type f -mtime +30 \
    -execdir rm -f -- {} \;
find . -xdev -depth -mindepth 1 -maxdepth 2 -type d -empty \
    -execdir rmdir -- {} \;

mkdir -m 2750 "$DATE"
chgrp backup "$DATE"

mongodump \
    --sslPEMKeyFile=/etc/pki/tls/private/mongodb.pem \
    --sslCAFile=/etc/pki/tls/certs/ca.crt \
    --ssl \
    --username=backup \
    --password="{{ mongodb_backup_password }}" \
    --gzip \
    --out="${DATE}" \
    --quiet \
    --uri="mongodb://$(hostname -f)/"