diff options
Diffstat (limited to '')
| -rwxr-xr-x | lib/container/enter | 102 | ||||
| -rwxr-xr-x | lib/container/limit | 186 | ||||
| -rwxr-xr-x | lib/container/list | 4 | ||||
| -rwxr-xr-x | lib/container/rename | 162 | ||||
| -rwxr-xr-x | lib/container/stop | 20 |
5 files changed, 469 insertions, 5 deletions
diff --git a/lib/container/enter b/lib/container/enter new file mode 100755 index 0000000..4eff504 --- /dev/null +++ b/lib/container/enter @@ -0,0 +1,102 @@ +#!/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 ${0})" + +MACHINES="/var/lib/machines" + +Parameters () +{ + LONG_OPTIONS="name:," + OPTIONS="n:," + + PARAMETERS="$(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 "${1}" in + -n|--name) + NAME="${2}" + shift 2 + ;; + + --) + shift 1 + break + ;; + + *) + echo "'${COMMAND}': getopt error" >&2 + exit 1 + ;; + esac + done +} + +Usage () +{ + echo "Usage: container ${COMMAND} -n|--name NAME" >&2 + exit 1 +} + +Parameters "${@}" + +if [ -z "${NAME}" ] +then + Usage +fi + +if [ ! -e "${MACHINES}/${NAME}" ] +then + echo "'${NAME}': no such container" >&2 + exit 1 +fi + +STATE="$(machinectl show ${NAME} 2>&1 | awk -F= '/^State=/ { print $2 }')" + +case "${STATE}" in + running) + ;; + + *) + echo "'${NAME}': container is not running" >&2 + exit 1 + ;; +esac + +LEADER="$(machinectl status ${NAME} | awk '/Leader: / { print $2 }')" + +# Run +if [ -e "${MACHINES}/${NAME}/usr/bin/container-nsenter" ] +then + OPTIONS="/usr/bin/container-nsenter" +else + OPTIONS="" +fi + +nsenter --target ${LEADER} --mount --uts --ipc --net --pid --root --wd=/root ${OPTIONS} diff --git a/lib/container/limit b/lib/container/limit new file mode 100755 index 0000000..8b5ffd5 --- /dev/null +++ b/lib/container/limit @@ -0,0 +1,186 @@ +#!/bin/sh + +# container-tools - Manage systemd-nspawn containers +# Copyright (C) 2014-2016 Daniel Baumann <daniel.baumann@open-infrastructure.net> +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. + +set -e + +COMMAND="$(basename ${0})" + +MACHINES="/var/lib/machines" + +Parameters () +{ + LONG_OPTIONS="name:,blockio-device-weight:,blockio-read-bandwith:,blockio-weight:,blockio-write-bandwith:,cpu-quota:,cpu-shares:,memory-limit:,tasks-max:," + OPTIONS="n:b:c:m:t:," + + PARAMETERS="$(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 "${1}" in + -n|--name) + NAME="${2}" + shift 2 + ;; + + -c|--cpu-quota) + CPU_QUOTA="${2}" + shift 2 + ;; + + --cpu-shares) + CPU_SHARES="${2}" + shift 2 + ;; + + -m|--memory-limit) + MEMORY_LIMIT="${2}" + shift 2 + ;; + + -t|--tasks-max) + TASKS_MAX="${2}" + shift 2 + ;; + + --blockio-device-weight) + BLOCK_IO_DEVICE_WEIGHT="${2}" + shift 2 + ;; + + --blockio-read-bandwith) + BLOCK_IO_READ_BANDWITH="${2}" + shift 2 + ;; + + -b|--blockio-weight) + BLOCK_IO_WEIGHT="${2}" + shift 2 + ;; + + --blockio-write-bandwith) + BLOCK_IO_WRITE_BANDWITH="${2}" + shift 2 + ;; + + --) + shift 1 + break + ;; + + *) + echo "'${COMMAND}': getopt error" >&2 + exit 1 + ;; + esac + done +} + +Usage () +{ + echo "Usage: container ${COMMAND} -n|--name NAME [--blockio-device-weight \"DEVICE WEIGHT\"] [--blockio-read-bandwith \"DEVICE BYTES\"] [-b|--blockio-weight WEIGHT] [--blockio-write-bandwith \"DEVICE BYTES\"] [-c|--cpu-quota QUOTA] [--cpu-shares SHARES] [-m|--memory-limit BYTES] [-t|--tasks-max NUMBER]" >&2 + exit 1 +} + +Parameters "${@}" + +if [ -z "${NAME}" ] +then + Usage +fi + +if [ ! -e "${MACHINES}/${NAME}" ] +then + echo "'${NAME}': no such container" >&2 + exit 1 +fi + +STATE="$(machinectl show ${NAME} 2>&1 | awk -F= '/^State=/ { print $2 }')" + +case "${STATE}" in + running) + ;; + + *) + echo "'${NAME}': container is not running" >&2 + exit 1 + ;; +esac + +if [ -n "${BLOCK_IO_DEVICE_WEIGHT}" ] +then + BLOCK_IO_DEVICE_WEIGHT="BlockIODeviceWeight=${BLOCK_IO_DEVICE_WEIGHT}" + SET_PROPERTY="true" +fi + +if [ -n "${BLOCK_IO_READ_BANDWITH}" ] +then + BLOCK_IO_READ_BANDWITH="BlockIOReadBandwidth=${BLOCK_IO_READ_BANDWITH}" + SET_PROPERTY="true" +fi + +if [ -n "${BLOCK_IO_WEIGHT}" ] +then + BLOCK_IO_WEIGHT="BlockIOWeight=${BLOCK_IO_WEIGHT}" + SET_PROPERTY="true" +fi + +if [ -n "${BLOCK_IO_WRITE_BANDWITH}" ] +then + BLOCK_IO_WRITE_BANDWITH="BlockIOReadBandwidth=${BLOCK_IO_WRITE_BANDWITH}" + SET_PROPERTY="true" +fi + +if [ -n "${CPU_QUOTA}" ] +then + CPU_QUOTA="CPUQuota=${CPU_QUOTA}" + SET_PROPERTY="true" +fi + +if [ -n "${CPU_SHARES}" ] +then + CPU_SHARES="CPUShares=${CPU_SHARES}" + SET_PROPERTY="true" +fi + +if [ -n "${MEMORY_LIMIT}" ] +then + MEMORY_LIMIT="MemoryLimit=${MEMORY_LIMIT}" + SET_PROPERTY="true" +fi + +if [ -n "${TASKS_MAX}" ] +then + TASKS_MAX="TasksMax=${TASKS_MAX}" + SET_PROPERTY="true" +fi + +if [ "${SET_PROPERTY}" != "true" ] +then + Usage +fi + +# Run +systemctl --runtime set-property ${NAME} ${BLOCK_IO_DEVICE_WEIGHT} ${BLOCK_IO_READ_BANDWITH} ${BLOCK_IO_WEIGHT} ${BLOCK_IO_WRITE_BANDWITH} ${CPU_QUOTA} ${CPU_SHARES} ${MEMORY_LIMIT} ${TASKS_MAX} diff --git a/lib/container/list b/lib/container/list index d522623..e5e76fe 100755 --- a/lib/container/list +++ b/lib/container/list @@ -183,9 +183,9 @@ do ;; esac - if [ -e "${MACHINES}/${CONTAINER}/etc/network/interfaces" ] + if ls "${MACHINES}/${CONTAINER}/etc/systemd/network"/*.network > /dev/null 2>&1 then - ADDRESSES="$(awk '/address/ { print $2 }' ${MACHINES}/${CONTAINER}/etc/network/interfaces)" + ADDRESSES="$(awk -F= '/Address/ { print $2 }' ${MACHINES}/${CONTAINER}/etc/systemd/network/*.network)" fi ADDRESSES="${ADDRESSES:-n/a}" diff --git a/lib/container/rename b/lib/container/rename new file mode 100755 index 0000000..2d27615 --- /dev/null +++ b/lib/container/rename @@ -0,0 +1,162 @@ +#!/bin/sh + +# container-tools - Manage systemd-nspawn containers +# Copyright (C) 2014-2016 Daniel Baumann <daniel.baumann@open-infrastructure.net> +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. + +set -e + +COMMAND="$(basename ${0})" + +CONFIG="/etc/container-tools/config" +MACHINES="/var/lib/machines" + +Parameters () +{ + LONG_OPTIONS="force,new:,old:," + OPTIONS="f,n:,o:," + + PARAMETERS="$(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 "${1}" in + -f|--force) + FORCE="true" + shift 1 + ;; + + -n|--new) + NEW="${2}" + shift 2 + ;; + + -o|--old) + OLD="${2}" + shift 2 + ;; + + --) + shift 1 + break + ;; + + *) + echo "'${COMMAND}': getopt error" >&2 + exit 1 + ;; + esac + done +} + +Usage () +{ + echo "Usage: container ${COMMAND} [-f|--force] -n|--new NAME -o|--old NAME" >&2 + exit 1 +} + +Parameters "${@}" + +if [ -z "${OLD}" ] || [ -z "${NEW}" ] +then + Usage +fi + +if [ ! -e "${MACHINES}/${OLD}" ] +then + echo "'${OLD}': no such container" >&2 + exit 1 +fi + +if [ ! -e "${MACHINES}/${NEW}" ] +then + echo "'${NEW}': container already exists" >&2 + exit 1 +fi + +STATE="$(machinectl show ${OLD} 2>&1 | awk -F= '/^State=/ { print $2 }')" + +case "${STATE}" in + running) + echo "'${OLD}': container is started" >&2 + exit 1 + ;; +esac + +case "${FORCE}" in + true) + ;; + + *) + if container list --other | grep -qs "^${OLD}$" + then + echo -n "'${OLD}': rename remote container to '${NEW}' [y|N]? " + read FORCE + + FORCE="$(echo ${FORCE} | tr [A-Z] [a-z])" + + case "${FORCE}" in + y|yes) + ;; + + *) + exit 1 + ;; + esac + fi + ;; +esac + +# Run +mv "${CONFIG}/${OLD}.conf" "${CONFIG}/${NEW}.conf" +mv "${MACHINES}/${OLD}" "${MACHINES}/${NEW}" + +# Renaming bind mounts +BIND="$(awk -F= '/^bind=/ { print $2 }' ${CONFIG}/${NAME}.conf)" + +if [ -n "${BIND}" ] +then + BINDS="$(echo ${BIND} | sed -e 's|;| |g')" + + for BIND in ${BINDS} + do + SOURCE_OLD="$(echo ${BIND} | awk -F: '{ print $1 }')" + SOURCE_NEW="$(echo ${SOURCE_OLD} | sed -e "s|${OLD}|${NEW}|g")" + + if [ "${SOURCE_OLD}" != "${SOURCE_NEW}" ] + then + mv "${SOURCE_OLD}" "${SOURCE_NEW}" + fi + + TARGET_OLD="$(echo ${BIND} | awk -F: '{ print $2 }')" + TARGET_NEW="$(echo ${TARGET_OLD} | sed -e "s|${OLD}|${NEW}|g")" + + if [ "${TARGET_OLD}" != "${TARGET_NEW}" ] + then + mv "${MACHINES}/${NEW}/${TARGET_OLD}" "${MACHINES}/${NEW}/${TARGET_NEW}" + fi + done +fi + +# Updating configuration file +sed -i -e "s|${OLD}|${NEW}|g" "${CONFIG}/${NEW}.conf" diff --git a/lib/container/stop b/lib/container/stop index ba8960d..ec24d51 100755 --- a/lib/container/stop +++ b/lib/container/stop @@ -27,8 +27,8 @@ CLEAN="false" Parameters () { - LONG_OPTIONS="name:,clean," - OPTIONS="n:," + LONG_OPTIONS="name:,force,clean," + OPTIONS="n:,f," PARAMETERS="$(getopt --longoptions ${LONG_OPTIONS} --name=${COMMAND} --options ${OPTIONS} --shell sh -- ${@})" @@ -48,6 +48,10 @@ Parameters () shift 2 ;; + -f|--force) + FORCE="true" + ;; + --clean) # internal option CLEAN="true" @@ -166,5 +170,15 @@ case "${STATE}" in ;; esac +case "${FORCE}" in + true) + MODE="terminate" + ;; + + *) + MODE="poweroff" + ;; +esac + # Run -machinectl poweroff ${NAME} +machinectl ${MODE} ${NAME} |