Files
xen/automation/scripts/containerize
T
2018-11-20 16:54:55 +00:00

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#!/bin/bash
einfo() {
echo "$*" >&2
}
die() {
echo "$*" >&2
exit 1
}
#
# The caller is expected to override the CONTAINER environment
# variable with the container they wish to launch.
#
BASE="registry.gitlab.com/xen-project/xen"
case "_${CONTAINER}" in
_centos7) CONTAINER="${BASE}/centos:7" ;;
_centos72) CONTAINER="${BASE}/centos:7.2" ;;
_trusty) CONTAINER="${BASE}/ubuntu:trusty" ;;
_xenial) CONTAINER="${BASE}/ubuntu:xenial" ;;
_jessie) CONTAINER="${BASE}/debian:jessie" ;;
_stretch|_) CONTAINER="${BASE}/debian:stretch" ;;
esac
# Use this variable to control whehter root should be used
case "_${CONTAINER_UID0}" in
_1) userarg= ;;
_0|_) userarg="-u $(id -u)" ;;
esac
# Save the commands for future use
cmd=$@
# If no command was specified, just drop us into a shell if we're interactive
[ $# -eq 0 ] && tty -s && cmd="/bin/bash"
# Are we in an interactive terminal?
tty -s && termint=t
#
# Fetch the latest version of the container in hub.docker.com,
# unless it's a newly created local copy.
#
if [[ "_${CONTAINER_NO_PULL}" != "_1" ]]; then
einfo "*** Ensuring ${CONTAINER} is up to date"
docker pull ${CONTAINER} > /dev/null || \
die "Failed to update docker container"
fi
if hash greadlink > /dev/null 2>&1; then
READLINK=greadlink
elif [[ $(uname -s) == "Darwin" ]]; then
echo "Unable to forward SSH agent without coreutils installed"
unset SSH_AUTH_SOCK
else
READLINK=readlink
fi
# Ensure we've got what we need for SSH_AUTH_SOCK
if [[ -n ${SSH_AUTH_SOCK} ]]; then
fullpath_sock=$(${READLINK} -f ${SSH_AUTH_SOCK} 2> /dev/null)
if [ $? -ne 0 ]; then
echo "Invalid SSH_AUTH_SOCK: ${SSH_AUTH_SOCK}"
unset SSH_AUTH_SOCK
else
SSH_AUTH_DIR=$(dirname ${fullpath_sock})
SSH_AUTH_NAME=$(basename ${fullpath_sock})
fi
fi
# Figure out the base of what we want as our sources
# by using the top of the git repo
if [[ -z ${CONTAINER_PATH} ]]; then
CONTAINER_PATH=$(git rev-parse --show-toplevel)
fi
# Kick off Docker
einfo "*** Launching container ..."
exec docker run \
${userarg} \
${SSH_AUTH_SOCK:+-e SSH_AUTH_SOCK="/tmp/ssh-agent/${SSH_AUTH_NAME}"} \
-v "${CONTAINER_PATH}":/build:rw \
-v "${HOME}/.ssh":/root/.ssh:ro \
${SSH_AUTH_DIR:+-v "${SSH_AUTH_DIR}":/tmp/ssh-agent} \
${XEN_CONFIG_EXPERT:+-e XEN_CONFIG_EXPERT=${XEN_CONFIG_EXPERT}} \
${CONTAINER_ARGS} \
-${termint}i --rm -- \
${CONTAINER} \
${cmd}