evobackup/lib/bkctld-inc

#!/bin/sh
#
# Make incremental inc of all jails
# Usage: inc
#

# shellcheck source=./config
LIBDIR="$(dirname $0)" && . "${LIBDIR}/config"

date=$(date +"%Y-%m-%d-%H")
for jail in $("${LIBDIR}/bkctld-list"); do
    inc="${INCDIR}/${jail}/${date}"
    mkdir -p "${INCDIR}/${jail}"
    if [ ! -d "${inc}" ]; then
        start=$(date +"%H:%M:%S")
        jail_inode=$(stat --format=%i "${JAILDIR}/${jail}")
        if [ "$jail_inode" -eq 256 ]; then
            /bin/btrfs subvolume snapshot -r "${JAILDIR}/${jail}" "${inc}" | debug
            end=$(date +"%H:%M:%S")
            notice "${jail} : made ${date} inc [${start}/${end}]"
        else
            lock="/run/lock/bkctld/inc-${jail}.lock"
            if [ -f "${lock}" ]; then
                warning "${jail} : trying to run already running inc"
            else
                (
                    mkdir -p /run/lock/bkctld && touch "${lock}"
                    trap "rm -f ${lock}" 0
                    cp -alx "${JAILDIR}/${jail}/" "${inc}"
                    end=$(date +"%H:%M:%S")
                    notice "${jail} : made ${date} inc [${start}/${end}]"
                )
            fi
        fi
    else
        warning "${jail} : trying to made already existant inc"
    fi
done