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Ability to rename containers in both ZFS and UFS platforms
This commit is contained in:
Jose
@@ -94,6 +94,7 @@ Available Commands:
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list List containers (running and stopped).
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pkg Manipulate binary packages within targeted container(s). See pkg(8).
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rdr Redirect host port to container port.
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rename Rename a container.
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restart Restart a running container.
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service Manage services within targeted container(s).
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start Start a stopped container.
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@@ -135,7 +136,7 @@ bootstrap|cmd|console|convert|cp|create)
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;;
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destroy|export|htop|import|limits|list)
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;;
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pkg|rdr|restart|service|start|stop|sysrc)
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pkg|rdr|rename|restart|service|start|stop|sysrc)
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;;
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template|top|update|upgrade|verify|zfs)
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;;
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127
usr/local/share/bastille/rename.sh
Normal file
127
usr/local/share/bastille/rename.sh
Normal file
@@ -0,0 +1,127 @@
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#!/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 "${COLOR_RED}Usage: bastille rename [TARGET] [NEW_NAME].${COLOR_RESET}"
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exit 1
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}
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error_notify() {
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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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# 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 2 ] || [ $# -lt 2 ]; then
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usage
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fi
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TARGET="${1}"
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NEWNAME="${2}"
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shift
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update_jailconf() {
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# Update jail.conf
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JAIL_CONFIG="${bastille_jailsdir}/${NEWNAME}/jail.conf"
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if [ -f "${JAIL_CONFIG}" ]; then
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if ! grep -qw "path = ${bastille_jailsdir}/${NEWNAME}/root;" ${JAIL_CONFIG}; then
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sed -i '' "s|host.hostname = ${TARGET};|host.hostname = ${NEWNAME};|" ${JAIL_CONFIG}
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sed -i '' "s|exec.consolelog = .*;|exec.consolelog = ${bastille_logsdir}/${NEWNAME}_console.log;|" ${JAIL_CONFIG}
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sed -i '' "s|path = .*;|path = ${bastille_jailsdir}/${NEWNAME}/root;|" ${JAIL_CONFIG}
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sed -i '' "s|mount.fstab = .*;|mount.fstab = ${bastille_jailsdir}/${NEWNAME}/fstab;|" ${JAIL_CONFIG}
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sed -i '' "s|${TARGET} {|${NEWNAME} {|" ${JAIL_CONFIG}
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fi
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fi
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}
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update_fstab() {
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# Update fstab .bastille mountpoint on thin containers only
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# Set some variables
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FSTAB_CONFIG="${bastille_jailsdir}/${NEWNAME}/fstab"
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FSTAB_RELEASE=$(grep -owE '([1-9]{2,2})\.[0-9](-RELEASE|-RC[1-2]|-stable-build-[0-9]{1,3})' ${FSTAB_CONFIG})
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FSTAB_CURRENT=$(grep -w ".*/releases/.*/jails/${TARGET}/root/.bastille" ${FSTAB_CONFIG})
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FSTAB_NEWCONF="${bastille_releasesdir}/${FSTAB_RELEASE} ${bastille_jailsdir}/${NEWNAME}/root/.bastille nullfs ro 0 0"
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if [ -n "${FSTAB_CURRENT}" ] && [ -n "${FSTAB_NEWCONF}" ]; then
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# If both variables are set, update as needed
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if ! grep -qw "${bastille_releasesdir}/${FSTAB_RELEASE}.*${bastille_jailsdir}/${NEWNAME}/root/.bastille" ${FSTAB_CONFIG}; then
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sed -i '' "s|${FSTAB_CURRENT}|${FSTAB_NEWCONF}|" ${FSTAB_CONFIG}
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fi
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fi
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}
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change_name() {
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# Attempt container name change
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if [ -d "${bastille_jailsdir}/${TARGET}" ]; then
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echo -e "${COLOR_GREEN}Attempting to rename '${TARGET}' to ${NEWNAME}...${COLOR_RESET}"
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if [ "${bastille_zfs_enable}" = "YES" ]; then
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if [ ! -z "${bastille_zfs_zpool}" ]; then
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# Rename ZFS dataset and mount points accordingly
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zfs rename ${bastille_zfs_zpool}/${bastille_zfs_prefix}/jails/${TARGET} ${bastille_zfs_zpool}/${bastille_zfs_prefix}/jails/${NEWNAME}
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zfs set mountpoint=${bastille_jailsdir}/${NEWNAME}/root ${bastille_zfs_zpool}/${bastille_zfs_prefix}/jails/${NEWNAME}/root
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fi
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else
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# Just rename the jail directory
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mv ${bastille_jailsdir}/${TARGET} ${bastille_jailsdir}/${NEWNAME}
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fi
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else
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error_notify "${COLOR_RED}${TARGET} not found. See bootstrap.${COLOR_RESET}"
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fi
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# Update jail configuration files accordingly
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update_jailconf
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update_fstab
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# Remove the old jail directory if exist
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if [ -d "${bastille_jailsdir}/${TARGET}" ]; then
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rm -r ${bastille_jailsdir}/${TARGET}
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fi
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if [ $? -ne 0 ]; then
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error_notify "${COLOR_RED}An error has occurred while attempting to rename '${TARGET}'.${COLOR_RESET}"
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else
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echo -e "${COLOR_GREEN}Renamed '${TARGET}' to '${NEWNAME}' successfully.${COLOR_RESET}"
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fi
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}
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# Check if container is running
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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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change_name
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