Adding initial curl container create script.

Signed-off-by: Daniel Baumann <daniel.baumann@open-infrastructure.net>

1 files changed, 187 insertions, 0 deletions

diff --git a/share/scripts/curl b/share/scripts/curl
new file mode 100755
index 0000000..0cf38e9
--- /dev/null
+++ b/share/scripts/curl
@@ -0,0 +1,187 @@
+#!/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
+
+SCRIPT="${0}"
+
+MACHINES="/var/lib/machines"
+CACHE="/var/cache/container-tools/curl"
+
+Parameters ()
+{
+	LONG_OPTIONS="bind:,script:,name:,image:,server:,password:"
+	OPTIONS="b:,s:,n:,p:"
+
+	PARAMETERS="$(getopt --longoptions ${LONG_OPTIONS} --name=${SCRIPT} --options ${OPTIONS} --shell sh -- ${@})"
+
+	if [ "${?}" != "0" ]
+	then
+		echo "'${SCRIPT}': getopt exit" >&2
+		exit 1
+	fi
+
+	eval set -- "${PARAMETERS}"
+
+	while true
+	do
+		case "${1}" in
+			-b|--bind)
+				# ignore
+				shift 2
+				;;
+
+			--cnt.auto)
+				# ignore
+				shift 2
+				;;
+
+			-s|--script)
+				# ignore
+				shift 2
+				;;
+
+			-n|--name)
+				NAME="${2}"
+				shift 2
+				;;
+
+			--image)
+				IMAGE="${2}"
+				shift 2
+				;;
+
+			--server)
+				SERVER="${2}"
+				shift 2
+				;;
+
+			-p|--password)
+				PASSWORD="${2}"
+				shift 2
+				;;
+
+			--)
+				shift 1
+				break
+				;;
+
+			*)
+				echo "'${SCRIPT}': getopt error" >&2
+				exit 1
+				;;
+		esac
+	done
+}
+
+Usage ()
+{
+	echo "Usage: container create -n|--name NAME -s|--script ${SCRIPT} -- [--image IMAGE] [--server SERVER] [-p|--password PASSWORD}" >&2
+	exit 1
+}
+
+Parameters "${@}"
+
+if [ -z "${NAME}" ]
+then
+	Usage
+fi
+
+if [ -e "${MACHINES}/${NAME}" ]
+then
+	echo "'${NAME}': container already exists" >&2
+	exit 1
+fi
+
+if [ ! -x /usr/bin/curl ]
+then
+	echo "'${NAME}': /usr/bin/curl - no such file." >&2
+	exit 1
+fi
+
+if [ "$(id -u)" -ne 0 ]
+then
+	echo "'${NAME}': need root privileges" >&2
+	exit 1
+fi
+
+ARCHITECTURE="${ARCHITECTURE:-$(dpkg --print-architecture)}"
+IMAGE="${IMAGE:-debian-stretch-${ARCHITECTURE}.tar.xz}"
+SERVER="${SERVER:-https://files.open-infrastructure.net/images/container-tools/current}"
+PASSWORD="${PASSWORD:-$(dd if=/dev/urandom bs=12 count=1 2> /dev/null | base64)}"
+
+VERSION="$(container version)"
+
+# Run
+
+# FIXME: Show available image directories on server
+# FIXME: Fetch debconf-choices.txt to show debconf select
+# FIXME: gpg verification against debian-keyring or local keyring
+# FIXME: default server via configuration file
+
+echo "Downloading ${IMAGE}"
+mkdir -p "${CACHE}"
+
+if [ -e "${CACHE}/${IMAGE}" ]
+then
+	CURL_OPTIONS="--time-cond ${CACHE}/${IMAGE}"
+fi
+
+curl	--http2 --location --progress-bar --user-agent container-tools/${VERSION} ${CURL_OPTIONS} \
+	"${SERVER}/${IMAGE}" -o "${CACHE}/${IMAGE}"
+
+echo "Unpacking ${IMAGE}"
+mkdir -p "${MACHINES}/${NAME}"
+
+case "${IMAGE}" in
+	*.gz)
+		TAR_OPTIONS="--gzip"
+		;;
+
+	*.lz)
+		TAR_OPTIONS="--lzip"
+		;;
+
+	*.xz)
+		TAR_OPTIONS="--xz"
+		;;
+
+	*)
+		TAR_OPTIONS=""
+		;;
+esac
+
+if [ -e /usr/bin/pv ]
+then
+	pv --format '%p' --width 77 "${CACHE}/${IMAGE}" | tar xf - ${TAR_OPTIONS} -C "${MACHINES}/${NAME}" --strip 1
+else
+	tar xf "${CACHE}/${IMAGE}" ${TAR_OPTIONS} -C "${MACHINES}/${NAME}" --strip 1
+fi
+
+# Creating machine-id
+chroot "${MACHINES}/${NAME}" systemd-machine-id-setup > /dev/null 2>&1
+
+# Setting hostname
+echo "${NAME}" > "${MACHINES}/${NAME}/etc/hostname"
+
+# Copying resolv.conf
+cp -L /etc/resolv.conf "${MACHINES}/${NAME}/etc/resolv.conf"
+
+# Setting root password
+echo root:${PASSWORD} | chroot "${MACHINES}/${NAME}" chpasswd
+echo "${NAME}: root password set to '${PASSWORD}'."