#!/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 ${0})" CONFIG="/etc/container-tools/config" MACHINES="/var/lib/machines" Parameters () { LONG_OPTIONS="all,format:,host:,other,started,stopped," OPTIONS="a,f:,h:,o,s,t," PARAMETERS="$(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 "${1}" in -a|--all) LIST="${LIST} all" shift 1 ;; -f|--format) FORMAT="${2}" shift 2 ;; -h|--host) HOST="${2}" shift 2 ;; -o|--other) LIST="${LIST} other" shift 1 ;; -s|--started) LIST="${LIST} started" shift 1 ;; -t|--stopped) LIST="${LIST} stopped" shift 1 ;; --) shift 1 break ;; *) echo "'${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="${LIST:-started stopped}" FORMAT="${FORMAT:-full}" HOST="${HOST:-$(hostname -f)}" # 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)$(tput bold)" WHITE="$(tput setaf 7)$(tput bold)" NORMAL="$(tput sgr0)" cat << EOF ${WHITE} ${NORMAL} Container IPv4 Address(es) -------------------------------------------------------------------------------- EOF ;; short) ;; esac Show () { case "${FORMAT}" in short) printf "${CONTAINER}\n" ;; full) FIRST_LINE="true" for ADDRESS in ${ADDRESSES} do case "${FIRST_LINE}" in true) FIRST_LINE="false" printf "%-80s %-29s\n" "${STATUS} ${BLUE}${CONTAINER}${NORMAL}" "${YELLOW}${ADDRESS}${NORMAL}" ;; *) printf "%-80s %-29s\n" "" "${ADDRESS}" ;; esac done ;; esac } CONTAINERS="$(cd "${MACHINES}" 2>/dev/null && find -maxdepth 1 -type d -and -not -name '.container-tools' -and -not -name 'container-tools' -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 $2 }')" if [ -e "${CONFIG}/${CONTAINER}.conf" ] then AUTO="$(awk -F= '/^cnt.auto=/ { print $2 }' ${CONFIG}/${CONTAINER}.conf)" AUTO="${AUTO:-false}" case "${AUTO}" in ${HOST}|true) ;; *) STATE="other" ;; esac else STATE="other" fi case "${STATE}" in running) STATE="started" STATUS="${GREEN}✔${NORMAL}" ;; other) STATUS="${WHITE}○${NORMAL}" ;; *) STATE="stopped" STATUS="${RED}✘${NORMAL}" ;; esac if [ -e "${MACHINES}/${CONTAINER}/etc/network/interfaces" ] then ADDRESSES="$(awk '/address/ { print $2 }' ${MACHINES}/${CONTAINER}/etc/network/interfaces)" fi ADDRESSES="${ADDRESSES:-n/a}" if echo ${LIST} | grep -qs all then Show fi for ITEM in other started stopped do if echo ${LIST} | grep -qs ${ITEM} then case "${STATE}" in ${ITEM}) Show ;; esac fi done done