openstack-ansible-nspawn_hosts/files/nspawn-attach.sh

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#!/usr/bin/env bash
# Copyright 2018, Rackspace US, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# Enter a container using a friendly universal syntax
CPID=$(machinectl status $1 | awk '/Leader:/ {print $2}')
nsenter --mount=/proc/$CPID/ns/mnt \
--net=/proc/$CPID/ns/net \
--pid=/proc/$CPID/ns/pid \
--uts=/proc/$CPID/ns/uts \
--ipc=/proc/$CPID/ns/ipc