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Diffstat (limited to 'libexec/container/limit')
| -rwxr-xr-x | libexec/container/limit | 212 |
1 files changed, 212 insertions, 0 deletions
diff --git a/libexec/container/limit b/libexec/container/limit new file mode 100755 index 0000000..b7f6e9b --- /dev/null +++ b/libexec/container/limit @@ -0,0 +1,212 @@ +#!/bin/sh + +# Copyright (C) 2014-2022 Daniel Baumann <daniel.baumann@open-infrastructure.net> +# +# SPDX-License-Identifier: GPL-3.0+ +# +# 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 <https://www.gnu.org/licenses/>. + +set -e + +PROJECT="open-infrastructure" +SOFTWARE="compute-tools" +PROGRAM="container" +COMMAND="$(basename ${0})" + +HOOKS="/etc/${SOFTWARE}/hooks" +MACHINES="/var/lib/machines" + +Parameters () +{ + GETOPT_LONGOPTIONS="name:,blockio-device-weight:,blockio-read-bandwidth:,blockio-weight:,blockio-write-bandwidth:,cpu-quota:,cpu-shares:,memory-limit:,tasks-max:," + GETOPT_OPTIONS="n:b:c:m:t:," + + PARAMETERS="$(getopt --longoptions ${GETOPT_LONGOPTIONS} --name=${COMMAND} --options ${GETOPT_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="${2}" + shift 2 + ;; + + --blockio-read-bandwidth) + BLOCK_IO_READ_BANDWIDTH="${2}" + shift 2 + ;; + + -b|--blockio-weight) + BLOCK_IO_WEIGHT="${2}" + shift 2 + ;; + + --blockio-write-bandwidth) + BLOCK_IO_WRITE_BANDWIDTH="${2}" + shift 2 + ;; + + --) + shift 1 + break + ;; + + *) + echo "'${COMMAND}': getopt error" >&2 + exit 1 + ;; + esac + done +} + +Usage () +{ + echo "Usage: ${PROGRAM} ${COMMAND} -n|--name NAME [--blockio-device-weight \"DEVICE WEIGHT\"] [--blockio-read-bandwidth \"DEVICE BYTES\"] [-b|--blockio-weight WEIGHT] [--blockio-write-bandwidth \"DEVICE BYTES\"] [-c|--cpu-quota QUOTA] [--cpu-shares SHARES] [-m|--memory-limit BYTES] [-t|--tasks-max NUMBER]" >&2 + echo + echo "See ${COMMAND}(1), ${PROGRAM}(1) and ${PROJECT}(7) for more information." + + exit 1 +} + +Parameters "${@}" + +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 -FState= '/^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_BANDWIDTH}" ] +then + BLOCK_IO_READ_BANDWIDTH="BlockIOReadBandwidth=${BLOCK_IO_READ_BANDWIDTH}" + SET_PROPERTY="true" +fi + +if [ -n "${BLOCK_IO_WEIGHT}" ] +then + BLOCK_IO_WEIGHT="BlockIOWeight=${BLOCK_IO_WEIGHT}" + SET_PROPERTY="true" +fi + +if [ -n "${BLOCK_IO_WRITE_BANDWIDTH}" ] +then + BLOCK_IO_WRITE_BANDWIDTH="BlockIOReadBandwidth=${BLOCK_IO_WRITE_BANDWIDTH}" + SET_PROPERTY="true" +fi + +if [ -n "${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 + +# Pre hooks +for FILE in "${HOOKS}/pre-${COMMAND}".* "${HOOKS}/${NAME}.pre-${COMMAND}" +do + if [ -x "${FILE}" ] + then + "${FILE}" + fi +done + +# Run +systemctl --runtime set-property ${NAME} ${BLOCK_IO_DEVICE_WEIGHT} ${BLOCK_IO_READ_BANDWIDTH} ${BLOCK_IO_WEIGHT} ${BLOCK_IO_WRITE_BANDWIDTH} ${CPU_QUOTA} ${CPU_SHARES} ${MEMORY_LIMIT} ${TASKS_MAX} + +# Post hooks +for FILE in "${HOOKS}/post-${COMMAND}".* "${HOOKS}/${NAME}.post-${COMMAND}" +do + if [ -x "${FILE}" ] + then + "${FILE}" + fi +done |