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
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
|
#!/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="${0}"
MACHINES="/var/lib/machines"
CACHE="/var/cache/container-tools/images"
Parameters ()
{
GETOPT_LONGOPTIONS="bind:,script:,name:,clean,image:,server:,password:"
GETOPT_OPTIONS="b:,s:,n:,p:"
PARAMETERS="$(getopt --longoptions ${GETOPT_LONGOPTIONS} --name=${SCRIPT} --options ${GETOPT_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
;;
--clean)
CLEAN="true"
shift 1
;;
--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 ${SCRIPT} -- [--clean] [--image IMAGE] [--server SERVER] [-p|--password PASSWORD}" >&2
exit 1
}
Parameters "${@}"
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
if curl -V | grep -qs http2
then
CURL_OPTIONS="${CURL_OPTIONS} --http2"
fi
curl --fail --location --progress-bar --user-agent container-tools/${VERSION} ${CURL_OPTIONS} \
"${SERVER}/${IMAGE}" -o "${CACHE}/${IMAGE}"
curl --fail --location --progress-bar --user-agent container-tools/${VERSION} ${CURL_OPTIONS} \
"${SERVER}/${IMAGE}.sha512" -o "${CACHE}/${IMAGE}.sha512"
echo -n "Verifying ${IMAGE}.sha512"
cd "${CACHE}"
set +e
sha512sum --check "${IMAGE}.sha512" --status
SHA512SUM="${?}"
case "${SHA512SUM}" in
0)
echo " ok."
;;
*)
echo " failed."
exit 1
;;
esac
set -e
cd "${OLDPWD}"
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 '${PASSWORD}'."
# Reove cache
case "${CLEAN}" in
true)
rm -f "${CACHE}/${IMAGE}"
rm -f "${CACHE}/${IMAGE}.sha512"
;;
esac
|
