Add mount and umount commands to manage volumes inside containers.

2020-05-23 18:35:00 -04:00
parent b515565bde
commit 1d21ff58fe
4 changed files with 249 additions and 3 deletions
@@ -0,0 +1,86 @@
+#!/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 "${COLOR_RED}Usage: bastille umount TARGET container_path${COLOR_RESET}"
+    exit 1
+}
+
+# Handle special-case commands first.
+case "$1" in
+help|-h|--help)
+    usage
+    ;;
+esac
+
+if [ $# -ne 2 ]; then
+    usage
+fi
+
+TARGET=$1
+shift
+
+MOUNT_PATH=$1
+shift
+
+if [ "${TARGET}" = 'ALL' ]; then
+    JAILS=$(jls name)
+else
+    JAILS=$(jls name | awk "/^${TARGET}$/")
+fi
+
+for _jail in ${JAILS}; do
+    echo -e "${COLOR_GREEN}[${_jail}]:${COLOR_RESET}"
+
+    _jailpath="${bastille_jailsdir}/${_jail}/root/${MOUNT_PATH}"
+
+    if [ ! -d "${_jailpath}" ]; then
+        echo -e "${COLOR_RED}The specified mount point does not exist inside the jail.${COLOR_RESET}"
+        exit 1
+    fi
+
+    # Unmount the volume. -- cwells
+    if ! umount "${_jailpath}"; then
+        echo -e "${COLOR_RED}Failed to unmount volume: ${MOUNT_PATH}${COLOR_RESET}"
+        exit 1
+    fi
+
+    # Remove the entry from fstab so it is not automounted in the future. -- cwells
+    if ! sed -E -i '' "\, +${_jailpath} +,d" "${bastille_jailsdir}/${_jail}/fstab"; then
+        echo -e "${COLOR_RED}Failed to delete fstab entry: ${_fstab_entry}${COLOR_RESET}"
+        exit 1
+    fi
+
+    echo "Unmounted: ${MOUNT_PATH}"
+    echo
+done