summaryrefslogtreecommitdiffstats
path: root/bin/reproducible_openwrt.sh
blob: cea01ee8e878925afc22f08efb0e6d02fff72c21 (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
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
#!/bin/bash

# Copyright 2014-2015 Holger Levsen <holger@layer-acht.org>
#         © 2015 Reiner Herrmann <reiner@reiner-h.de>
# released under the GPLv=2

OPENWRT_GIT_REPO=git://git.openwrt.org/openwrt.git
OPENWRT_GIT_BRANCH=master
DEBUG=true
. /srv/jenkins/bin/common-functions.sh
common_init "$@"

# common code defining db access
. /srv/jenkins/bin/reproducible_common.sh
set -e

cleanup_tmpdirs() {
	cd
	# (very simple) check we are deleting the right stuff
	if [ "${TMPDIR:0:26}" != "/srv/reproducible-results/" ] || [ ${#TMPDIR} -le 26 ] || \
	   [ "${TMPBUILDDIR:0:23}" != "/srv/workspace/chroots/" ] || [ ${#TMPBUILDDIR} -le 23 ] ; then
		echo "Something very strange with \$TMPDIR=$TMPDIR or \$TMPBUILDDIR=$TMPBUILDDIR, exiting instead of doing cleanup."
		exit 1
	fi
	rm -rf $TMPDIR
	rm -rf $TMPBUILDDIR
	rm -f $BANNER_HTML
}

create_results_dirs() {
	mkdir -p $BASE/openwrt/dbd
}

save_openwrt_logs() {
	local postfix="$1"

	tar cJf "$BASE/openwrt/dbd/logs_${postfix}.tar.xz" logs/
}

save_openwrt_results() {
	RUN=$1
	cd bin
	for i in * ; do
		cd $i
		# save images
		mkdir -p $TMPDIR/$RUN/$i
		for j in $(find * -name "*.bin" -o -name "*.squashfs") ; do
			cp -p $j $TMPDIR/$RUN/$i/
		done
		# save packages
		cd packages
		for j in $(find * -name "*.ipk") ; do
			mkdir -p $TMPDIR/$RUN/$i/$(dirname $j)
			cp -p $j $TMPDIR/$RUN/$i/$(dirname $j)/
		done
		cd ../..
	done
	cd ..
}

openwrt_config() {
	CONFIG=$1

	printf "$CONFIG" > .config
	printf "CONFIG_ALL=y\n" >> .config
	printf "CONFIG_CLEAN_IPKG=y\n" >> .config
	printf "CONFIG_TARGET_ROOTFS_TARGZ=y\n" >> .config
	make defconfig
}

openwrt_build_toolchain() {
	echo "============================================================================="
	echo "$(date -u) - Building the toolchain."
	echo "============================================================================="

	ionice -c 3 make -j $NUM_CPU tools/install
	ionice -c 3 make -j $NUM_CPU toolchain/install
}

openwrt_build() {
	RUN=$1
	TARGET=$2

	OPTIONS="-j $NUM_CPU IGNORE_ERRORS=ym BUILD_LOG=1"

	echo "============================================================================="
	echo "$(date -u) - Building OpenWrt ${OPENWRT_VERSION} ($TARGET) - $RUN build run."
	echo "============================================================================="
	ionice -c 3 $MAKE $OPTIONS target/compile
	ionice -c 3 $MAKE $OPTIONS package/cleanup
	ionice -c 3 $MAKE $OPTIONS package/compile || true # don't let some packages fail the whole build
	ionice -c 3 $MAKE $OPTIONS package/install
	ionice -c 3 $MAKE $OPTIONS target/install V=s || true
	ionice -c 3 $MAKE $OPTIONS package/index || true # don't let some packages fail the whole build
}

openwrt_cleanup() {
	rm build_dir/target-* -rf
	rm staging_dir/target-* -rf
	rm bin/* -rf
	rm logs/* -rf
}

build_two_times() {
	TARGET=$1
	CONFIG=$2
	openwrt_config $CONFIG
	openwrt_build_toolchain

	# FIRST BUILD
	export TZ="/usr/share/zoneinfo/Etc/GMT+12"
	MAKE=make
	openwrt_build "first" "$TARGET"

	# get banner
	cat $(find build_dir/ -name banner | grep etc/banner|head -1) > $BANNER_HTML

	# save results in b1
	save_openwrt_results b1

	# copy logs
	save_openwrt_logs b1

	# clean up between builds
	openwrt_cleanup

	# SECOND BUILD
	export TZ="/usr/share/zoneinfo/Etc/GMT-14"
	export LANG="fr_CH.UTF-8"
	export LC_ALL="fr_CH.UTF-8"
	export PATH="/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/i/capture/the/path"
	export CAPTURE_ENVIRONMENT="I capture the environment"
	umask 0002
	# use allmost all cores for second build
	NEW_NUM_CPU=$(echo $NUM_CPU-1|bc)
	MAKE="linux64 --uname-2.6 make"
	openwrt_build "second" "$TARGET"

	# save results in b2
	save_openwrt_results b2

	# copy logs
	save_openwrt_logs b2

	# reset environment to default values again
	export LANG="en_GB.UTF-8"
	unset LC_ALL
	export TZ="/usr/share/zoneinfo/UTC"
	export PATH="/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:"
	umask 0022

	# clean up again
	openwrt_cleanup
}

#
# main
#
TMPBUILDDIR=$(mktemp --tmpdir=/srv/workspace/chroots/ -d -t rbuild-openwrt-build-XXXXXXXX)  # used to build on tmpfs
TMPDIR=$(mktemp --tmpdir=/srv/reproducible-results -d -t rbuild-openwrt-results-XXXXXXXX)  # accessable in schroots, used to compare results
BANNER_HTML=$(mktemp --tmpdir=$TMPDIR)
DATE=$(date -u +'%Y-%m-%d')
START=$(date +'%s')
trap cleanup_tmpdirs INT TERM EXIT

cd $TMPBUILDDIR
echo "============================================================================="
echo "$(date -u) - Cloning OpenWrt git repository."
echo "============================================================================="
git clone --depth 1 -b $OPENWRT_GIT_BRANCH $OPENWRT_GIT_REPO openwrt
cd openwrt
OPENWRT="$(git log -1)"
OPENWRT_VERSION=$(git describe --always)
echo "This is openwrt $OPENWRT_VERSION."
echo
git log -1

# External feeds disabled for now as they break building (especially with CONFIG_ALL=y).
#echo "============================================================================="
#echo "$(date -u) - Updating package feeds."
#echo "============================================================================="
#./scripts/feeds update -a
#./scripts/feeds install -a

build_two_times ar71xx_generic_ARCHERC7 "CONFIG_TARGET_ar71xx_generic=y\nCONFIG_TARGET_ar71xx_generic_ARCHERC7=y\n"

# for now we only build one architecture until it's at most reproducible
#build_two_times x86_64 "CONFIG_TARGET_x86=y\nCONFIG_TARGET_x86_64=y\n"
#build_two_times ramips_rt288x_RTN15 "CONFIG_TARGET_ramips=y\nCONFIG_TARGET_ramips_rt288x=y\nCONFIG_TARGET_ramips_rt288x_RTN15=y\n"

#
# create html about toolchain used
#
echo "============================================================================="
echo "$(date -u) - Creating Documentation HTML"
echo "============================================================================="
TOOLCHAIN_HTML=$(mktemp --tmpdir=$TMPDIR)
echo "<table><tr><th>Target toolchains built</th></tr>" > $TOOLCHAIN_HTML
for i in $(ls -1d staging_dir/toolchain*|cut -d "-" -f2-|xargs echo) ; do
	echo " <tr><td><code>$i</code></td></tr>" >> $TOOLCHAIN_HTML
done
echo "</table>" >> $TOOLCHAIN_HTML
echo "<table><tr><th>Contents of <code>build_dir/host/</code></th></tr>" >> $TOOLCHAIN_HTML
for i in $(ls -1 build_dir/host/) ; do
	echo " <tr><td>$i</td></tr>" >> $TOOLCHAIN_HTML
done
echo "</table>" >> $TOOLCHAIN_HTML
echo "<table><tr><th>Downloaded software</th></tr>" >> $TOOLCHAIN_HTML
for i in $(ls -1 dl/) ; do
	echo " <tr><td>$i</td></tr>" >> $TOOLCHAIN_HTML
done
echo "</table>" >> $TOOLCHAIN_HTML
echo "<table><tr><th>Debian $(cat /etc/debian_version) package on $(dpkg --print-architecture)</th><th>installed version</th></tr>" >> $TOOLCHAIN_HTML
for i in gcc binutils bzip2 flex python perl make findutils grep diffutils unzip gawk util-linux zlib1g-dev libc6-dev git subversion ; do
	echo " <tr><td>$i</td><td>" >> $TOOLCHAIN_HTML
	dpkg -s $i|grep '^Version'|cut -d " " -f2 >> $TOOLCHAIN_HTML
	echo " </td></tr>" >> $TOOLCHAIN_HTML
done
echo "</table>" >> $TOOLCHAIN_HTML

# clean up builddir to save space on tmpfs
rm -rf $TMPBUILDDIR/openwrt

# run diffoscope on the results
# (this needs refactoring rather badly)
TIMEOUT="30m"
DIFFOSCOPE="$(schroot --directory /tmp -c source:jenkins-reproducible-${DBDSUITE}-diffoscope diffoscope -- --version 2>&1)"
echo "============================================================================="
echo "$(date -u) - Running $DIFFOSCOPE on OpenWrt images and packages."
echo "============================================================================="
DBD_HTML=$(mktemp --tmpdir=$TMPDIR)
DBD_GOOD_PKGS_HTML=$(mktemp --tmpdir=$TMPDIR)
DBD_BAD_PKGS_HTML=$(mktemp --tmpdir=$TMPDIR)
# run diffoscope on the images
GOOD_IMAGES=0
ALL_IMAGES=0
SIZE=""
create_results_dirs
cd $TMPDIR/b1
tree .
for i in * ; do
	cd $i

	# search images in both paths to find non-existing ones
	IMGS1=$(find * -type f -name "*.bin" -o -name "*.squashfs" | sort -u )
	pushd $TMPDIR/b2/$i
	IMGS2=$(find * -type f -name "*.bin" -o -name "*.squashfs" | sort -u )
	popd

	echo "       <table><tr><th>Images for <code>$i</code></th></tr>" >> $DBD_HTML
	for j in $(printf "$IMGS1\n$IMGS2" | sort -u ) ; do
		let ALL_IMAGES+=1
		if [ ! -f $TMPDIR/b1/$i/$j -o ! -f $TMPDIR/b2/$i/$j ] ; then
			echo "         <tr><td><img src=\"/userContent/static/weather-storm.png\" alt=\"ftbfs icon\" /> $j (${SIZE}) failed to build.</td></tr>" >> $DBD_HTML
			rm -f $BASE/openwrt/dbd/$i/$j.html # cleanup from previous (unreproducible) tests - if needed
			continue
		fi
		call_diffoscope $i $j
		get_filesize $j
		if [ -f $TMPDIR/$i/$j.html ] ; then
			mkdir -p $BASE/openwrt/dbd/$i
			mv $TMPDIR/$i/$j.html $BASE/openwrt/dbd/$i/$j.html
			echo "         <tr><td><a href=\"dbd/$i/$j.html\"><img src=\"/userContent/static/weather-showers-scattered.png\" alt=\"unreproducible icon\" /> $j</a> (${SIZE}) is unreproducible.</td></tr>" >> $DBD_HTML
		else
			SHASUM=$(sha256sum $j|cut -d " " -f1)
			echo "         <tr><td><img src=\"/userContent/static/weather-clear.png\" alt=\"reproducible icon\" /> $j ($SHASUM, $SIZE) is reproducible.</td></tr>" >> $DBD_HTML
			let GOOD_IMAGES+=1
			rm -f $BASE/openwrt/dbd/$i/$j.html # cleanup from previous (unreproducible) tests - if needed
		fi
	done
	cd ..
	echo "       </table>" >> $DBD_HTML
done
GOOD_PERCENT_IMAGES=$(echo "scale=1 ; ($GOOD_IMAGES*100/$ALL_IMAGES)" | bc)
# run diffoscope on the packages
GOOD_PACKAGES=0
ALL_PACKAGES=0
create_results_dirs
cd $TMPDIR/b1
for i in * ; do
	cd $i

	# search packages in both paths to find non-existing ones
	PKGS1=$(find * -type f -name "*.ipk" | sort -u )
	pushd $TMPDIR/b2/$i
	PKGS2=$(find * -type f -name "*.ipk" | sort -u )
	popd

	for j in $(printf "$PKGS1\n$PKGS2" | sort -u ) ; do
		let ALL_PACKAGES+=1
		if [ ! -f $TMPDIR/b1/$i/$j -o ! -f $TMPDIR/b2/$i/$j ] ; then
			echo "         <tr><td><img src=\"/userContent/static/weather-storm.png\" alt=\"ftbfs icon\" /> $j (${SIZE}) failed to build.</td></tr>" >> $DBD_BAD_PKGS_HTML
			rm -f $BASE/openwrt/dbd/$i/$j.html # cleanup from previous (unreproducible) tests - if needed
			continue
		fi
		call_diffoscope $i $j
		get_filesize $j
		if [ -f $TMPDIR/$i/$j.html ] ; then
			mkdir -p $BASE/openwrt/dbd/$i/$(dirname $j)
			mv $TMPDIR/$i/$j.html $BASE/openwrt/dbd/$i/$j.html
			echo "         <tr><td><a href=\"dbd/$i/$j.html\"><img src=\"/userContent/static/weather-showers-scattered.png\" alt=\"unreproducible icon\" /> $j</a> ($SIZE) is unreproducible.</td></tr>" >> $DBD_BAD_PKGS_HTML
		else
			SHASUM=$(sha256sum $j|cut -d " " -f1)
			echo "         <tr><td><img src=\"/userContent/static/weather-clear.png\" alt=\"reproducible icon\" /> $j ($SHASUM, $SIZE) is reproducible.</td></tr>" >> $DBD_GOOD_PKGS_HTML
			let GOOD_PACKAGES+=1
			rm -f $BASE/openwrt/dbd/$i/$j.html # cleanup from previous (unreproducible) tests - if needed
		fi
	done
	cd ..
done
echo "       <table><tr><th>Unreproducible and otherwise broken packages</th></tr>" >> $DBD_HTML
cat $DBD_BAD_PKGS_HTML >> $DBD_HTML
echo "       </table>" >> $DBD_HTML
echo "       <table><tr><th>Reproducible packages</th></tr>" >> $DBD_HTML
cat $DBD_GOOD_PKGS_HTML >> $DBD_HTML
echo "       </table>" >> $DBD_HTML
GOOD_PERCENT_PACKAGES=$(echo "scale=1 ; ($GOOD_PACKAGES*100/$ALL_PACKAGES)" | bc)
# are we there yet?
if [ "$GOOD_PERCENT_IMAGES" = "100.0" ] || [ "$GOOD_PERCENT_PACKAGES" = "100.0" ]; then
	MAGIC_SIGN="!"
else
	MAGIC_SIGN="?"
fi

#
#  finally create the webpage
#
cd $TMPDIR ; mkdir openwrt
PAGE=openwrt/openwrt.html
cat > $PAGE <<- EOF
<!DOCTYPE html>
<html lang="en-US">
  <head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width">
    <title>Reproducible OpenWrt ?</title>
    <link rel='stylesheet' id='kamikaze-style-css'  href='cascade.css?ver=4.0' type='text/css' media='all'>
  </head>
  <body>
    <div id="header">
        <p><center>
        <code>
EOF
cat $BANNER_HTML >> $PAGE
write_page "       </code></center></p>"
write_page "     </div><div id=\"main-content\">"
write_page "       <h1>OpenWrt - <em>reproducible</em> wireless freedom$MAGIC_SIGN</h1>"
write_page_intro OpenWrt
write_page "       <p>$GOOD_IMAGES ($GOOD_PERCENT_IMAGES%) out of $ALL_IMAGES built images and $GOOD_PACKAGES ($GOOD_PERCENT_PACKAGES%) out of $ALL_PACKAGES built packages were reproducible in our test setup."
write_page "        These tests were last run on $DATE for version ${OPENWRT_VERSION} using ${DIFFOSCOPE}.</p>"
write_explaination_table OpenWrt
cat $DBD_HTML >> $PAGE
write_page "     <table><tr><th>git commit built</th></tr><tr><td><code>"
echo -n "$OPENWRT" >> $PAGE
write_page "     </code></td></tr></table>"
cat $TOOLCHAIN_HTML >> $PAGE
write_page "    </div>"
write_page_footer OpenWrt
publish_page
rm -f $DBD_HTML $DBD_GOOD_PKGS_HTML $DBD_BAD_PKGS_HTML $TOOLCHAIN_HTML $BANNER_HTML

# the end
calculate_build_duration
print_out_duration
irc_message "$REPRODUCIBLE_URL/openwrt/ has been updated. ($GOOD_PERCENT_IMAGES% images and $GOOD_PERCENT_PACKAGES% packages reproducible)"
echo "============================================================================="

# remove everything, we don't need it anymore...
cleanup_tmpdirs
trap - INT TERM EXIT