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114 lines
4.5 KiB
Bash
114 lines
4.5 KiB
Bash
#!/bin/sh
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#
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# Copyright (c) 2018-2020, Christer Edwards <christer.edwards@gmail.com>
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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#
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# * Redistributions of source code must retain the above copyright notice, this
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# list of conditions and the following disclaimer.
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#
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# * Redistributions in binary form must reproduce the above copyright notice,
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# this list of conditions and the following disclaimer in the documentation
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# and/or other materials provided with the distribution.
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#
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# * Neither the name of the copyright holder nor the names of its
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# contributors may be used to endorse or promote products derived from
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# this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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. /usr/local/share/bastille/colors.pre.sh
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. /usr/local/etc/bastille/bastille.conf
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usage() {
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echo -e "${COLOR_RED}Usage: bastille export TARGET.${COLOR_RESET}"
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exit 1
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}
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# Handle special-case commands first
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case "$1" in
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help|-h|--help)
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usage
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;;
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esac
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if [ $# -gt 1 ] || [ $# -lt 1 ]; then
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usage
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fi
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TARGET="${1}"
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shift
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error_notify()
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{
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# Notify message on error and exit
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echo -e "$*" >&2
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exit 1
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}
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jail_export()
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{
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# Attempt to export the container
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DATE=$(date +%F-%H:%M:%S)
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if [ -d "${bastille_jailsdir}/${TARGET}" ]; then
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if [ "${bastille_zfs_enable}" = "YES" ]; then
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if [ ! -z "${bastille_zfs_zpool}" ]; then
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FILE_EXT="xz"
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echo -e "${COLOR_GREEN}Exporting '${TARGET}' to a compressed .${FILE_EXT} archive.${COLOR_RESET}"
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echo -e "${COLOR_GREEN}Sending zfs data stream...${COLOR_RESET}"
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# Take a recursive temporary snapshot
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SNAP_NAME="bastille_export-${DATE}"
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zfs snapshot -r ${bastille_zfs_zpool}/${bastille_zfs_prefix}/jails/${TARGET}@${SNAP_NAME}
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# Export the container recursively and cleanup temporary snapshots
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zfs send -R ${bastille_zfs_zpool}/${bastille_zfs_prefix}/jails/${TARGET}@${SNAP_NAME} | \
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xz ${bastille_compress_xz_options} > ${bastille_backupsdir}/${TARGET}_${DATE}.${FILE_EXT}
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zfs destroy -r ${bastille_zfs_zpool}/${bastille_zfs_prefix}/jails/${TARGET}@${SNAP_NAME}
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fi
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else
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# Create standard backup archive
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FILE_EXT="txz"
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echo -e "${COLOR_GREEN}Exporting '${TARGET}' to a compressed .${FILE_EXT} archive...${COLOR_RESET}"
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cd ${bastille_jailsdir} && tar -cf - ${TARGET} | xz ${bastille_compress_xz_options} > ${bastille_backupsdir}/${TARGET}_${DATE}.${FILE_EXT}
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fi
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if [ $? -ne 0 ]; then
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error_notify "${COLOR_RED}Failed to export '${TARGET}' container.${COLOR_RESET}"
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else
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# Generate container checksum file
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cd ${bastille_backupsdir}
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sha256 -q ${TARGET}_${DATE}.${FILE_EXT} > ${TARGET}_${DATE}.sha256
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echo -e "${COLOR_GREEN}Exported '${bastille_backupsdir}/${TARGET}_${DATE}.${FILE_EXT}' successfully.${COLOR_RESET}"
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exit 0
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fi
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else
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error_notify "${COLOR_RED}Container '${TARGET}' does not exist.${COLOR_RESET}"
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fi
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}
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# Check if backups directory/dataset exist
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if [ ! -d "${bastille_backupsdir}" ]; then
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error_notify "${COLOR_RED}Backups directory/dataset does not exist, See 'bastille bootstrap'.${COLOR_RESET}"
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fi
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# Check if is a ZFS system
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if [ "${bastille_zfs_enable}" != "YES" ]; then
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# Check if container is running and ask for stop in UFS systems
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if [ -n "$(jls name | awk "/^${TARGET}$/")" ]; then
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error_notify "${COLOR_RED}${TARGET} is running, See 'bastille stop'.${COLOR_RESET}"
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fi
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fi
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jail_export
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