Ability to rename containers in both ZFS and UFS platforms

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)
     ;;

usr/local/share/bastille/rename.sh

@@ -0,0 +1,127 @@
+#!/bin/sh
+# 
+# Copyright (c) 2018-2020, Christer Edwards <christer.edwards@gmail.com>
+# 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