/usr/lib/container-tools/container/enter is in open-infrastructure-container-tools 20180218-2.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 | #!/bin/sh
# container-tools - Manage systemd-nspawn containers
# Copyright (C) 2014-2018 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 <http://www.gnu.org/licenses/>.
set -e
COMMAND="$(basename ${0})"
HOOKS="/etc/container-tools/hooks"
MACHINES="/var/lib/machines"
Parameters ()
{
GETOPT_LONGOPTIONS="name:,"
GETOPT_OPTIONS="n:,"
PARAMETERS="$(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
;;
--)
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 $2 }')"
# Pre hooks
for FILE in "${HOOKS}/pre-${COMMAND}".* "${HOOKS}/${NAME}.pre-${COMMAND}"
do
if [ -x "${FILE}" ]
then
"${FILE}"
fi
done
# 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 ${OPTIONS}
# Post hooks
for FILE in "${HOOKS}/post-${COMMAND}".* "${HOOKS}/${NAME}.post-${COMMAND}"
do
if [ -x "${FILE}" ]
then
"${FILE}"
fi
done
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