popeye/jail_upgrade.sh

#!/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
# 
#

FAILURE() {
	echo ${*}
	exit 1
}

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 "cur:j:" option 
	do
		case ${option} in
			c)
				CONF=${OPTARG}
				;;
			r)	TOREV=${OPTARG}
				;;
			j)	J=${OPTARG}
				;;
			*)
				usage
				exit 0
				;;
		esac
	done
}

export PAGER=/bin/cat
# default parameters
CONF=/usr/local/etc/jail-update.conf
# get currently running names (or jids) list
parse ${*}

[ -z "${J}" ] && echo 'no jail to check.exiting.' && exit 0
[ ! -r "${CONF}" ] && echo 'no configuration file for updating.exiting.' && exit 1

echo ''
echo 'Ready to update jail(s) <'${J}'> to '${TOREV}', according to the <'${CONF}'> configuration.'
echo ''

# 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}'>.'
		jail -r ${J} || echo skipping
		freebsd-update -f ${CONF} --currently-running ${JVERSION} -b ${JPATH}  -r ${TOREV} upgrade || FAILURE upgrade failed
		freebsd-update -f ${CONF} -b ${JPATH}  install || FAILURE install
		jail -c ${J}
		freebsd-update -f ${CONF} -b ${JPATH}  install || FAILURE install
		jail -r ${J}
		jail -c ${J}
		pkg -j ${J} bootstrap -f
		pkg -j ${J} update
		pkg -j ${J} upgrade -f
	else
		echo 'Unable to get jail <'${J}'> path.Skipping'

	fi

else
	echo 'Jail <'${J}'> unavailable.Skipping.'

fi