diff --git a/usr/local/bin/bastille b/usr/local/bin/bastille index 936d08d..9298b90 100755 --- a/usr/local/bin/bastille +++ b/usr/local/bin/bastille @@ -94,6 +94,7 @@ Available Commands: list List containers (running and stopped). pkg Manipulate binary packages within targeted container(s). See pkg(8). rdr Redirect host port to container port. + rename Rename a container. restart Restart a running container. service Manage services within targeted container(s). start Start a stopped container. @@ -135,7 +136,7 @@ bootstrap|cmd|console|convert|cp|create) ;; destroy|export|htop|import|limits|list) ;; -pkg|rdr|restart|service|start|stop|sysrc) +pkg|rdr|rename|restart|service|start|stop|sysrc) ;; template|top|update|upgrade|verify|zfs) ;; diff --git a/usr/local/share/bastille/rename.sh b/usr/local/share/bastille/rename.sh new file mode 100644 index 0000000..f083839 --- /dev/null +++ b/usr/local/share/bastille/rename.sh @@ -0,0 +1,127 @@ +#!/bin/sh +# +# Copyright (c) 2018-2020, Christer Edwards +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are met: +# +# * Redistributions of source code must retain the above copyright notice, this +# list of conditions and the following disclaimer. +# +# * Redistributions in binary form must reproduce the above copyright notice, +# this list of conditions and the following disclaimer in the documentation +# and/or other materials provided with the distribution. +# +# * Neither the name of the copyright holder nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" +# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE +# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE +# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR +# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER +# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, +# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +. /usr/local/share/bastille/colors.pre.sh +. /usr/local/etc/bastille/bastille.conf + +usage() { + echo -e "${COLOR_RED}Usage: bastille rename [TARGET] [NEW_NAME].${COLOR_RESET}" + exit 1 +} + +error_notify() { + # Notify message on error and exit + echo -e "$*" >&2 + exit 1 +} + +# Handle special-case commands first +case "$1" in +help|-h|--help) + usage + ;; +esac + +if [ $# -gt 2 ] || [ $# -lt 2 ]; then + usage +fi + +TARGET="${1}" +NEWNAME="${2}" +shift + +update_jailconf() { + # Update jail.conf + JAIL_CONFIG="${bastille_jailsdir}/${NEWNAME}/jail.conf" + if [ -f "${JAIL_CONFIG}" ]; then + if ! grep -qw "path = ${bastille_jailsdir}/${NEWNAME}/root;" ${JAIL_CONFIG}; then + sed -i '' "s|host.hostname = ${TARGET};|host.hostname = ${NEWNAME};|" ${JAIL_CONFIG} + sed -i '' "s|exec.consolelog = .*;|exec.consolelog = ${bastille_logsdir}/${NEWNAME}_console.log;|" ${JAIL_CONFIG} + sed -i '' "s|path = .*;|path = ${bastille_jailsdir}/${NEWNAME}/root;|" ${JAIL_CONFIG} + sed -i '' "s|mount.fstab = .*;|mount.fstab = ${bastille_jailsdir}/${NEWNAME}/fstab;|" ${JAIL_CONFIG} + sed -i '' "s|${TARGET} {|${NEWNAME} {|" ${JAIL_CONFIG} + fi + fi +} + +update_fstab() { + # Update fstab .bastille mountpoint on thin containers only + # Set some variables + FSTAB_CONFIG="${bastille_jailsdir}/${NEWNAME}/fstab" + FSTAB_RELEASE=$(grep -owE '([1-9]{2,2})\.[0-9](-RELEASE|-RC[1-2]|-stable-build-[0-9]{1,3})' ${FSTAB_CONFIG}) + FSTAB_CURRENT=$(grep -w ".*/releases/.*/jails/${TARGET}/root/.bastille" ${FSTAB_CONFIG}) + FSTAB_NEWCONF="${bastille_releasesdir}/${FSTAB_RELEASE} ${bastille_jailsdir}/${NEWNAME}/root/.bastille nullfs ro 0 0" + if [ -n "${FSTAB_CURRENT}" ] && [ -n "${FSTAB_NEWCONF}" ]; then + # If both variables are set, update as needed + if ! grep -qw "${bastille_releasesdir}/${FSTAB_RELEASE}.*${bastille_jailsdir}/${NEWNAME}/root/.bastille" ${FSTAB_CONFIG}; then + sed -i '' "s|${FSTAB_CURRENT}|${FSTAB_NEWCONF}|" ${FSTAB_CONFIG} + fi + fi +} + +change_name() { + # Attempt container name change + if [ -d "${bastille_jailsdir}/${TARGET}" ]; then + echo -e "${COLOR_GREEN}Attempting to rename '${TARGET}' to ${NEWNAME}...${COLOR_RESET}" + if [ "${bastille_zfs_enable}" = "YES" ]; then + if [ ! -z "${bastille_zfs_zpool}" ]; then + # Rename ZFS dataset and mount points accordingly + zfs rename ${bastille_zfs_zpool}/${bastille_zfs_prefix}/jails/${TARGET} ${bastille_zfs_zpool}/${bastille_zfs_prefix}/jails/${NEWNAME} + zfs set mountpoint=${bastille_jailsdir}/${NEWNAME}/root ${bastille_zfs_zpool}/${bastille_zfs_prefix}/jails/${NEWNAME}/root + fi + else + # Just rename the jail directory + mv ${bastille_jailsdir}/${TARGET} ${bastille_jailsdir}/${NEWNAME} + fi + else + error_notify "${COLOR_RED}${TARGET} not found. See bootstrap.${COLOR_RESET}" + fi + + # Update jail configuration files accordingly + update_jailconf + update_fstab + + # Remove the old jail directory if exist + if [ -d "${bastille_jailsdir}/${TARGET}" ]; then + rm -r ${bastille_jailsdir}/${TARGET} + fi + if [ $? -ne 0 ]; then + error_notify "${COLOR_RED}An error has occurred while attempting to rename '${TARGET}'.${COLOR_RESET}" + else + echo -e "${COLOR_GREEN}Renamed '${TARGET}' to '${NEWNAME}' successfully.${COLOR_RESET}" + fi +} + +# Check if container is running +if [ -n "$(jls name | awk "/^${TARGET}$/")" ]; then + error_notify "${COLOR_RED}${TARGET} is running, See `bastille stop`.${COLOR_RESET}" +fi + +change_name