Jails management

[fbsd-stable-mgmt.git] / jail_update.sh

diff --git a/jail_update.sh b/jail_update.sh
new file mode 100755 (executable)
index 0000000..bff8866
--- /dev/null
+++ b/jail_update.sh
@@ -0,0 +1,77 @@
+#!/bin/sh
+
+# Update freebsd base of all running jails
+# 
+# one has first to create the suitable configuration file 
+# by default /usr/local/etc/jail-update.conf
+# or pass it as the first argument
+# 
+#
+
+usage() {
+       echo 'Usage: ...'
+       echo -e '-c\tconfiguration file'
+       echo -e '\t\tdefault to /usr/local/etc/jail-update.conf'
+       echo -e '-j\tjail list'
+       echo -e '\t\tdefault to all running jails'
+       echo -e '-u\tthis message'
+       echo '-------------------------------------------------'
+}
+
+parse() {
+       RED='\033[0;31m'
+       NC='\033[0m' # No Color
+       while getopts "cuj:" option 
+       do
+               case ${option} in
+                       c)
+                               CONF=${OPTARG}
+                               ;;
+                       j)
+                               JLIST=${OPTARG}
+                               ;;
+                       *)
+                               usage
+                               exit 0
+                               ;;
+               esac
+       done
+}
+
+# default parameters
+CONF=/usr/local/etc/jail-update.conf
+# get currently running names (or jids) list
+JLIST=`jls name 2>/dev/null`
+
+parse ${*}
+
+[ -z "${JLIST}" ] && echo 'no jail to check.exiting.' && exit 0
+[ ! -r "${CONF}" ] && echo 'no configuration file for updating.exiting.' && exit 1
+
+echo ''
+echo 'Ready to update jail(s) <'${JLIST}'>, according to the <'${CONF}'> configuration.'
+echo ''
+
+for J in ${JLIST};
+do
+       # jail path
+       JPATH=`jls -j ${J} path 2>/dev/null` 
+       if [ -n "${JPATH}" ]; then
+               echo '[ :: ' $J ' ::]'
+               # freebsd version this jail is running
+               JVERSION=`jexec ${J} freebsd-version -u`
+               if [ -n "${JVERSION}" ]; then
+                       echo 'Updating <'${J}'> from version <'${JVERSION}'>, path <${JPATH}>.'
+                       freebsd-update -f  ${CONF} --currently-running ${JVERSION}  -b ${JPATH} fetch install 
+
+               else
+                       echo 'Unable to get jail <'${J}'> path.Skipping'
+
+               fi
+
+       else
+               echo 'Jail <'${J}'> unavailable.Skipping.'
+
+       fi
+done
+