new zfs sub-command and documentation

usr/local/share/bastille/zfs.sh

@@ -0,0 +1,89 @@
+#!/bin/sh
+# 
+# Copyright (c) 2018-2019, 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 "${COLOR_RED}Usage: bastille zfs [ALL|glob] '[set|get] key=value'${COLOR_RESET}"
+    exit 1
+}
+
+# Handle special-case commands first.
+case "$1" in
+help|-h|--help)
+    usage
+    ;;
+esac
+
+## check ZFS enabled
+if [ ! "${bastille_zfs_enable}" = "YES" ]; then
+        echo -e "${COLOR_RED}ZFS not enabled.'${COLOR_RESET}"
+        exit 1
+fi
+
+## check zpool defined
+if [ -z "${bastille_zfs_zpool}" ]; then
+        echo -e "${COLOR_RED}ZFS zpool not defined.'${COLOR_RESET}"
+        exit 1
+fi
+
+if [ $# -gt 2 ] || [ $# -lt 2 ]; then
+    usage
+fi
+
+if [ "$1" = 'ALL' ]; then
+    JAILS=$(jls name)
+fi
+if [ "$1" != 'ALL' ]; then
+    JAILS=$(jls name | grep -E "(^|\b)${1}($|\b)")
+fi
+
+if [ "$1" = 'ALL' ]; then
+    if [ "$2" = 'df' ]; then
+        zfs list -o name,used,avail,refer,mountpoint,quota,ratio -r ${bastille_zfs_zpool}/${bastille_zfs_prefix}/jails
+    fi
+fi
+
+if [ "$1" != 'ALL' ]; then
+    if [ "$2" = 'df' ]; then
+        for _jail in ${JAILS}; do
+            zfs list -o name,used,avail,refer,mountpoint,quota,ratio -r ${bastille_zfs_zpool}/${bastille_zfs_prefix}/jails/${_jail}
+        done
+    fi
+fi
+
+if [ "$2" != 'df' ]; then
+    for _jail in ${JAILS}; do
+        echo -e "${COLOR_GREEN}[${_jail}]:${COLOR_RESET}"
+        zfs $2 ${bastille_zfs_zpool}/${bastille_zfs_prefix}/jails/${_jail}
+        echo
+    done
+fi