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|
#!/bin/sh
# container-tools - Manage systemd-nspawn containers
# Copyright (C) 2014-2016 Daniel Baumann <daniel.baumann@open-infrastructure.net>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
set -e
COMMAND="$(basename ${0})"
MACHINES="/var/lib/machines"
Parameters ()
{
LONG_OPTIONS="all,format:,started,stopped"
OPTIONS="a,f:,s,t"
PARAMETERS="$(getopt --longoptions ${LONG_OPTIONS} --name=${COMMAND} --options ${OPTIONS} --shell sh -- ${@})"
if [ "${?}" != "0" ]
then
echo "'${COMMAND}': getopt exit" >&2
exit 1
fi
eval set -- "${PARAMETERS}"
while true
do
case "${1}" in
-a|--all)
LIST="all"
shift 1
;;
-f|--format)
FORMAT="${2}"
shift 2
;;
-s|--started)
LIST="started"
shift 1
;;
-t|--stopped)
LIST="stopped"
shift 1
;;
--)
shift 1
break
;;
*)
echo "'${COMMAND}': getopt error" >&2
exit 1
;;
esac
done
}
Usage ()
{
echo "Usage: container ${COMMAND} -a|--all --format FORMAT -s|--started -t|--stopped" >&2
exit 1
}
Parameters "${@}"
LIST="${LIST:-all}"
FORMAT="${FORMAT:-full}"
# Run
case "${FORMAT}" in
full)
RED="$(tput setaf 1)$(tput bold)"
GREEN="$(tput setaf 2)$(tput bold)"
YELLOW="$(tput setaf 3)$(tput bold)"
BLUE="$(tput setaf 4)$(tput bold)"
NORMAL="$(tput sgr0)"
cat << EOF
Container IPv4 Address(es) Status
--------------------------------------------------------------------------------
EOF
;;
short)
;;
esac
CONTAINERS="$(cd "${MACHINES}" && find -maxdepth 1 -type d -and -not -name 'lost+found' -and -not -name '.snap' -and -not -name '.snapshot' -printf '%P\n' | sort)"
for CONTAINER in ${CONTAINERS}
do
# FIXME: ignore lxc container for now
if [ -e "${MACHINES}/${CONTAINER}/rootfs" ]
then
continue
fi
STATE="$(machinectl show ${CONTAINER} 2>&1 | awk -F= '/^State=/ { print $2 }')"
if [ -e "${MACHINES}/${CONTAINER}/etc/network/interfaces" ]
then
ADDRESSES="$(awk '/address/ { print $2 }' ${MACHINES}/${CONTAINER}/etc/network/interfaces)"
else
ADDRESSES="n/a"
fi
case "${STATE}" in
running)
STATUS="${GREEN}started${NORMAL}"
;;
*)
STATUS="${RED}stopped${NORMAL}"
;;
esac
case "${LIST}" in
all)
case "${FORMAT}" in
short)
printf "${CONTAINER}\n"
;;
full)
FIRST_LINE="true"
for ADDRESS in ${ADDRESSES}
do
case "${FIRST_LINE}" in
true)
FIRST_LINE="false"
printf "%-69s %-29s %-7s\n" "${BLUE}${CONTAINER}${NORMAL}" "${YELLOW}${ADDRESS}${NORMAL}" " ${STATUS}"
;;
*)
printf "%-54s %-29s\n" "" "${ADDRESS}"
;;
esac
done
;;
esac
;;
started)
case "${STATE}" in
running)
case "${FORMAT}" in
short)
printf "${CONTAINER}\n"
;;
full)
FIRST_LINE="true"
for ADDRESS in ${ADDRESSES}
do
case "${FIRST_LINE}" in
true)
FIRST_LINE="false"
printf "%-69s %-29s %-7s\n" "${BLUE}${CONTAINER}${NORMAL}" "${YELLOW}${ADDRESS}${NORMAL}" " ${STATUS}"
;;
*)
printf "%-54s %-29s\n" "" "${ADDRESS}"
;;
esac
done
;;
esac
;;
esac
;;
stopped)
case "${STATE}" in
running)
;;
*)
case "${FORMAT}" in
short)
printf "${CONTAINER}\n"
;;
full)
FIRST_LINE="true"
for ADDRESS in ${ADDRESSES}
do
case "${FIRST_LINE}" in
true)
FIRST_LINE="false"
printf "%-69s %-29s %-7s\n" "${BLUE}${CONTAINER}${NORMAL}" "${YELLOW}${ADDRESS}${NORMAL}" " ${STATUS}"
;;
*)
printf "%-54s %-29s\n" "" "${ADDRESS}"
;;
esac
done
;;
esac
;;
esac
;;
esac
done
|
