summaryrefslogtreecommitdiffstats
path: root/share/scripts/curl
blob: 9d2b99858cfa07f646c82dbe6943ee42dfaffe26 (plain)
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
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
#!/bin/sh

# container-tools - Manage systemd-nspawn containers
# Copyright (C) 2014-2017 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}"

HOOKS="/etc/container-tools/hooks"
MACHINES="/var/lib/machines"
CACHE="/var/cache/container-tools/images"

Parameters ()
{
	GETOPT_LONGOPTIONS="bind:,bind-ro:,script:,name:,clean,password:,server:,setup:,system:,"
	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
				;;

			--bind-ro)
				# ignore
				shift 2
				;;

			--cnt.auto)
				# ignore
				shift 2
				;;

			--cnt.container-server)
				# ignore
				shift 2
				;;

			-s|--script)
				# ignore
				shift 2
				;;

			-n|--name)
				NAME="${2}"
				shift 2
				;;

			--clean)
				CLEAN="true"
				shift 1
				;;

			-p|--password)
				PASSWORD="${2}"
				shift 2
				;;

			--server)
				SERVER="${2}"
				shift 2
				;;

			--setup)
				SETUP="${2}"
				shift 2
				;;

			--system)
				SYSTEM="${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] [-p|--password PASSWORD] [--server SERVER] [--setup SETUP] [--system SYSTEM]" >&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

if [ -x /usr/bin/lzip ]
then
	COMPRESSION="lz"
elif [ -x /usr/bin/xz ]
then
	COMPRESSION="xz"
elif [ -x /bin/gzip ]
then
	COMPRESSION="gz"
else
	echo "'${NAME}': no supported compressor available (lz, xz, gz)."
	exit 1
fi

ARCHITECTURE="${ARCHITECTURE:-$(dpkg --print-architecture)}"
SYSTEM="${SYSTEM:-debian-stretch-current_${ARCHITECTURE}.system.tar.${COMPRESSION}}"
SETUP="${SETUP:-$(echo ${SYSTEM} | sed -e 's|.system.tar.|.setup.tar.|')}"
SERVER="${SERVER:-https://files.open-infrastructure.net/system/container/debian}"
PASSWORD="${PASSWORD:-$(dd if=/dev/urandom bs=12 count=1 2> /dev/null | base64)}"

VERSION="$(container version)"

# Pre hooks
for FILE in "${HOOKS}/pre-${SCRIPT}".* "${HOOKS}/${NAME}.pre-${SCRIPT}"
do
	if [ -x "${FILE}" ]
	then
		"${FILE}"
	fi
done

# 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

mkdir -p "${CACHE}"

CURL_OPTIONS=""

if curl -V | grep -qs http2
then
	CURL_OPTIONS="${CURL_OPTIONS} --http2"
fi

for FILE in	"${SYSTEM}" "${SYSTEM}.sha512" \
		"${SETUP}" "${SETUP}.sha512"
do
	if curl --fail --head --output /dev/null --silent "${SERVER}/${FILE}"
	then
		if [ -e "${CACHE}/${FILE}" ]
		then
			CURL_TIME_COND="--time-cond ${CACHE}/${FILE}"
		else
			CURL_TIME_COND=""
		fi

		echo "Downloading ${FILE}"
		curl	--fail --location --progress-bar --user-agent container-tools/${VERSION} ${CURL_OPTIONS} ${CURL_TIME_COND} \
			"${SERVER}/${FILE}" -o "${CACHE}/${FILE}"
	fi
done

for FILE in "${SYSTEM}" "${SETUP}"
do
	cd "${CACHE}"

	if [ ! -e "${FILE}" ]
	then
		continue
	fi

	if [ -e "${FILE}.sha512" ]
	then
		echo -n "Verifying ${FILE}:"

		set +e
		sha512sum --check "${FILE}.sha512" --status
		SHA512SUM="${?}"
		set -e

		case "${SHA512SUM}" in
			0)
				echo " ok."
				;;

			*)
				echo " failed."
				exit 1
				;;
		esac
	fi

	cd "${OLDPWD}"
done

case "${SYSTEM}" in
	*.gz)
		TAR_OPTIONS="--gzip"

		if [ ! -e /bin/gzip ]
		then
			echo -en "\n"
			echo "'${NAME}': /bin/lzip - no such file." >&2
			exit 1
		fi
		;;

	*.lz)
		TAR_OPTIONS="--lzip"

		if [ ! -e /usr/bin/lzip ]
		then
			echo -en "\n"
			echo "'${NAME}': /usr/bin/lzip - no such file." >&2
			exit 1
		fi
		;;

	*.xz)
		TAR_OPTIONS="--xz"

		if [ ! -e /usr/bin/xz ]
		then
			echo -en "\n"
			echo "'${NAME}': /usr/bin/xz - no such file." >&2
			exit 1
		fi
		;;

	*)
		TAR_OPTIONS=""
		;;
esac

for FILE in "${SYSTEM}" "${SETUP}"
do
	if [ ! -e "${CACHE}/${FILE}" ]
	then
		continue
	fi

	case "${FILE}" in
		*.system.tar.*)
			DIRECTORY="${MACHINES}/${NAME}"
			;;

		*.setup.tar.*)
			DIRECTORY="${MACHINES}/${NAME}/setup"
			;;
	esac

	mkdir -p "${DIRECTORY}"

	if [ -e /usr/bin/pv ]
	then
		echo "Unpacking ${FILE}"
		pv --format '%p' --width 77 "${CACHE}/${FILE}" | tar xf - ${TAR_OPTIONS} -C "${DIRECTORY}" --strip 1
	else
		echo -n "Unpacking ${FILE}:"
		tar xf "${CACHE}/${FILE}" ${TAR_OPTIONS} -C "${DIRECTORY}" --strip 1
		echo " ok."
	fi
done

if [ -x "${MACHINES}/${NAME}/setup/container" ]
then
	chroot "${MACHINES}/${NAME}" /usr/bin/env -i \
		LC_ALL="C" PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/local/games:/usr/games" TERM="${TERM}" \
		DEBIAN_FRONTEND="dialog" DEBIAN_PRIORITY="low" \
		DEBCONF_NONINTERACTIVE_SEEN="true" DEBCONF_NOWARNINGS="true" \
		/setup/container

	rm -rf "${MACHINES}/${NAME}/setup"
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}'."

# Remove cache
case "${CLEAN}" in
	true)
		rm -f "${CACHE}/${SYSTEM}" "${CACHE}/${SYSTEM}.sha512"
		rm -f "${CACHE}/${SETUP}" "${CACHE}/${SETUP}.sha512"
		;;
esac

# Post hooks
for FILE in "${HOOKS}/post-${SCRIPT}".* "${HOOKS}/${NAME}.post-${SCRIPT}"
do
	if [ -x "${FILE}" ]
	then
		"${FILE}"
	fi
done