Add FAILFAST support
[zfs.git] / scripts / common.sh.in
1 #!/bin/bash
2 #
3 # Common support functions for testing scripts.  If a script-config
4 # files is available it will be sourced so in-tree kernel modules and
5 # utilities will be used.  If no script-config can be found then the
6 # installed kernel modules and utilities will be used.
7
8 basedir="$(dirname $0)"
9
10 SCRIPT_CONFIG=zfs-script-config.sh
11 if [ -f "${basedir}/../${SCRIPT_CONFIG}" ]; then
12 . "${basedir}/../${SCRIPT_CONFIG}"
13 else
14 MODULES=(zlib_deflate spl splat zavl znvpair zunicode zcommon zfs)
15 fi
16
17 PROG="<define PROG>"
18 CLEANUP=
19 VERBOSE=
20 VERBOSE_FLAG=
21 FORCE=
22 FORCE_FLAG=
23 DUMP_LOG=
24 ERROR=
25 RAID0S=()
26 RAID10S=()
27 RAIDZS=()
28 RAIDZ2S=()
29 TESTS_RUN=${TESTS_RUN:-'*'}
30 TESTS_SKIP=${TESTS_SKIP:-}
31
32 prefix=@prefix@
33 exec_prefix=@exec_prefix@
34 libexecdir=@libexecdir@
35 pkglibexecdir=${libexecdir}/@PACKAGE@
36 bindir=@bindir@
37 sbindir=@sbindir@
38
39 ETCDIR=${ETCDIR:-/etc}
40 DEVDIR=${DEVDIR:-/dev/disk/zpool}
41 ZPOOLDIR=${ZPOOLDIR:-${pkglibexecdir}/zpool-config}
42 ZPIOSDIR=${ZPIOSDIR:-${pkglibexecdir}/zpios-test}
43 ZPIOSPROFILEDIR=${ZPIOSPROFILEDIR:-${pkglibexecdir}/zpios-profile}
44
45 ZDB=${ZDB:-${sbindir}/zdb}
46 ZFS=${ZFS:-${sbindir}/zfs}
47 ZINJECT=${ZINJECT:-${sbindir}/zinject}
48 ZPOOL=${ZPOOL:-${sbindir}/zpool}
49 ZPOOL_ID=${ZPOOL_ID:-${bindir}/zpool_id}
50 ZTEST=${ZTEST:-${sbindir}/ztest}
51 ZPIOS=${ZPIOS:-${sbindir}/zpios}
52
53 COMMON_SH=${COMMON_SH:-${pkglibexecdir}/common.sh}
54 ZFS_SH=${ZFS_SH:-${pkglibexecdir}/zfs.sh}
55 ZPOOL_CREATE_SH=${ZPOOL_CREATE_SH:-${pkglibexecdir}/zpool-create.sh}
56 ZPIOS_SH=${ZPIOS_SH:-${pkglibexecdir}/zpios.sh}
57 ZPIOS_SURVEY_SH=${ZPIOS_SURVEY_SH:-${pkglibexecdir}/zpios-survey.sh}
58
59 LDMOD=${LDMOD:-/sbin/modprobe}
60 LSMOD=${LSMOD:-/sbin/lsmod}
61 RMMOD=${RMMOD:-/sbin/rmmod}
62 INFOMOD=${INFOMOD:-/sbin/modinfo}
63 LOSETUP=${LOSETUP:-/sbin/losetup}
64 SYSCTL=${SYSCTL:-/sbin/sysctl}
65 UDEVADM=${UDEVADM:-/sbin/udevadm}
66 AWK=${AWK:-/usr/bin/awk}
67
68 COLOR_BLACK="\033[0;30m"
69 COLOR_DK_GRAY="\033[1;30m"
70 COLOR_BLUE="\033[0;34m"
71 COLOR_LT_BLUE="\033[1;34m" 
72 COLOR_GREEN="\033[0;32m"
73 COLOR_LT_GREEN="\033[1;32m"
74 COLOR_CYAN="\033[0;36m"
75 COLOR_LT_CYAN="\033[1;36m"
76 COLOR_RED="\033[0;31m"
77 COLOR_LT_RED="\033[1;31m"
78 COLOR_PURPLE="\033[0;35m"
79 COLOR_LT_PURPLE="\033[1;35m"
80 COLOR_BROWN="\033[0;33m"
81 COLOR_YELLOW="\033[1;33m"
82 COLOR_LT_GRAY="\033[0;37m"
83 COLOR_WHITE="\033[1;37m"
84 COLOR_RESET="\033[0m"
85
86 die() {
87         echo -e "${PROG}: $1" >&2
88         exit 1
89 }
90
91 msg() {
92         if [ ${VERBOSE} ]; then
93                 echo "$@"
94         fi
95 }
96
97 pass() {
98         echo -e "${COLOR_GREEN}Pass${COLOR_RESET}"
99 }
100
101 fail() {
102         echo -e "${COLOR_RED}Fail${COLOR_RESET} ($1)"
103         exit $1
104 }
105
106 skip() {
107         echo -e "${COLOR_BROWN}Skip${COLOR_RESET}"
108 }
109
110 spl_dump_log() {
111         ${SYSCTL} -w kernel.spl.debug.dump=1 &>/dev/null
112         local NAME=`dmesg | tail -n 1 | cut -f5 -d' '`
113         ${SPLBUILD}/cmd/spl ${NAME} >${NAME}.log
114         echo
115         echo "Dumped debug log: ${NAME}.log"
116         tail -n1 ${NAME}.log
117         echo
118         return 0
119 }
120
121 check_modules() {
122         local LOADED_MODULES=()
123         local MISSING_MODULES=()
124
125         for MOD in ${MODULES[*]}; do
126                 local NAME=`basename $MOD .ko`
127
128                 if ${LSMOD} | egrep -q "^${NAME}"; then
129                         LOADED_MODULES=(${NAME} ${LOADED_MODULES[*]})
130                 fi
131
132                 if [ ${INFOMOD} ${MOD} 2>/dev/null ]; then
133                         MISSING_MODULES=("\t${MOD}\n" ${MISSING_MODULES[*]})
134                 fi
135         done
136
137         if [ ${#LOADED_MODULES[*]} -gt 0 ]; then
138                 ERROR="Unload these modules with '${PROG} -u':\n"
139                 ERROR="${ERROR}${LOADED_MODULES[*]}"
140                 return 1
141         fi
142
143         if [ ${#MISSING_MODULES[*]} -gt 0 ]; then
144                 ERROR="The following modules can not be found,"
145                 ERROR="${ERROR} ensure your source trees are built:\n"
146                 ERROR="${ERROR}${MISSING_MODULES[*]}"
147                 return 1
148         fi
149
150         return 0
151 }
152
153 load_module() {
154         local NAME=`basename $1 .ko`
155
156         if [ ${VERBOSE} ]; then
157                 echo "Loading ${NAME} ($@)"
158         fi
159
160         ${LDMOD} $* || ERROR="Failed to load $1" return 1
161
162         return 0
163 }
164
165 load_modules() {
166         mkdir -p /etc/zfs
167
168         for MOD in ${MODULES[*]}; do
169                 local NAME=`basename ${MOD} .ko`
170                 local VALUE=
171
172                 for OPT in "$@"; do
173                         OPT_NAME=`echo ${OPT} | cut -f1 -d'='`
174
175                         if [ ${NAME} = "${OPT_NAME}" ]; then
176                                 VALUE=`echo ${OPT} | cut -f2- -d'='`
177                         fi
178                 done
179
180                 load_module ${MOD} ${VALUE} || return 1
181         done
182
183         if [ ${VERBOSE} ]; then
184                 echo "Successfully loaded ZFS module stack"
185         fi
186
187         return 0
188 }
189
190 unload_module() {
191         local NAME=`basename $1 .ko`
192
193         if [ ${VERBOSE} ]; then
194                 echo "Unloading ${NAME} ($@)"
195         fi
196
197         ${RMMOD} ${NAME} || ERROR="Failed to unload ${NAME}" return 1
198
199         return 0
200 }
201
202 unload_modules() {
203         local MODULES_REVERSE=( $(echo ${MODULES[@]} |
204                 ${AWK} '{for (i=NF;i>=1;i--) printf $i" "} END{print ""}') )
205
206         for MOD in ${MODULES_REVERSE[*]}; do
207                 local NAME=`basename ${MOD} .ko`
208                 local USE_COUNT=`${LSMOD} |
209                                 egrep "^${NAME} "| ${AWK} '{print $3}'`
210
211                 if [ "${USE_COUNT}" = 0 ] ; then
212
213                         if [ "${DUMP_LOG}" -a ${NAME} = "spl" ]; then
214                                 spl_dump_log
215                         fi
216
217                         unload_module ${MOD} || return 1
218                 fi
219         done
220
221         if [ ${VERBOSE} ]; then
222                 echo "Successfully unloaded ZFS module stack"
223         fi
224
225         return 0
226 }
227
228 unused_loop_device() {
229         for DEVICE in `ls -1 /dev/loop*`; do
230                 ${LOSETUP} ${DEVICE} &>/dev/null
231                 if [ $? -ne 0 ]; then
232                         echo ${DEVICE}
233                         return
234                 fi
235         done
236
237         die "Error: Unable to find unused loopback device"
238 }
239
240 #
241 # This can be slightly dangerous because the loop devices we are
242 # cleanup up may not be ours.  However, if the devices are currently
243 # in use we will not be able to remove them, and we only remove
244 # devices which include 'zpool' in the name.  So any damage we might
245 # do should be limited to other zfs related testing.
246 #
247 cleanup_loop_devices() {
248         local TMP_FILE=`mktemp`
249
250         ${LOSETUP} -a | tr -d '()' >${TMP_FILE}
251         ${AWK} -F":" -v losetup="$LOSETUP" \
252             '/zpool/ { system("losetup -d "$1) }' ${TMP_FILE}
253         ${AWK} -F" " '/zpool/ { system("rm -f "$3) }' ${TMP_FILE}
254
255         rm -f ${TMP_FILE}
256 }
257
258 #
259 # The following udev helper functions assume that the provided
260 # udev rules file will create a /dev/disk/zpool/<CHANNEL><RANK>
261 # disk mapping.  In this mapping each CHANNEL is represented by
262 # the letters a-z, and the RANK is represented by the numbers
263 # 1-n.  A CHANNEL should identify a group of RANKS which are all
264 # attached to a single controller, each RANK represents a disk.
265 # This provides a simply mechanism to locate a specific drive
266 # given a known hardware configuration.
267 #
268 udev_setup() {
269         local SRC_PATH=$1
270
271         # When running in tree manually contruct symlinks in tree to
272         # the proper devices.  Symlinks are installed for all entires
273         # in the config file regardless of if that device actually
274         # exists.  When installed as a package udev can be relied on for
275         # this and it will only create links for devices which exist.
276         if [ ${INTREE} ]; then
277                 PWD=`pwd`
278                 mkdir -p ${DEVDIR}/
279                 cd ${DEVDIR}/
280                 ${AWK} '!/^#/ && /./ { system( \
281                         "ln -f -s /dev/disk/by-path/"$2" "$1";" \
282                         "ln -f -s /dev/disk/by-path/"$2"-part1 "$1"p1;" \
283                         "ln -f -s /dev/disk/by-path/"$2"-part9 "$1"p9;" \
284                         ) }' $SRC_PATH
285                 cd ${PWD}
286         else
287                 DST_FILE=`basename ${SRC_PATH} | cut -f1-2 -d'.'`
288                 DST_PATH=/etc/zfs/${DST_FILE}
289
290                 if [ -e ${DST_PATH} ]; then
291                         die "Error: Config ${DST_PATH} already exists"
292                 fi
293
294                 cp ${SRC_PATH} ${DST_PATH}
295
296                 if [ -f ${UDEVADM} ]; then
297                         ${UDEVADM} trigger
298                         ${UDEVADM} settle
299                 else
300                         /sbin/udevtrigger
301                         /sbin/udevsettle
302                 fi
303         fi
304
305         return 0
306 }
307
308 udev_cleanup() {
309         local SRC_PATH=$1
310
311         if [ ${INTREE} ]; then
312                 PWD=`pwd`
313                 cd ${DEVDIR}/
314                 ${AWK} '!/^#/ && /./ { system( \
315                         "rm -f "$1" "$1"p1 "$1"p9") }' $SRC_PATH
316                 cd ${PWD}
317         fi
318
319         return 0
320 }
321
322 udev_cr2d() {
323         local CHANNEL=`echo "obase=16; $1+96" | bc`
324         local RANK=$2
325
326         printf "\x${CHANNEL}${RANK}"
327 }
328
329 udev_raid0_setup() {
330         local RANKS=$1
331         local CHANNELS=$2
332         local IDX=0
333
334         RAID0S=()
335         for RANK in `seq 1 ${RANKS}`; do
336                 for CHANNEL in `seq 1 ${CHANNELS}`; do
337                         DISK=`udev_cr2d ${CHANNEL} ${RANK}`
338                         RAID0S[${IDX}]="${DEVDIR}/${DISK}"
339                         let IDX=IDX+1
340                 done
341         done
342
343         return 0
344 }
345
346 udev_raid10_setup() {
347         local RANKS=$1
348         local CHANNELS=$2
349         local IDX=0
350
351         RAID10S=()
352         for RANK in `seq 1 ${RANKS}`; do
353                 for CHANNEL1 in `seq 1 2 ${CHANNELS}`; do
354                         let CHANNEL2=CHANNEL1+1
355                         DISK1=`udev_cr2d ${CHANNEL1} ${RANK}`
356                         DISK2=`udev_cr2d ${CHANNEL2} ${RANK}`
357                         GROUP="${DEVDIR}/${DISK1} ${DEVDIR}/${DISK2}"
358                         RAID10S[${IDX}]="mirror ${GROUP}"
359                         let IDX=IDX+1
360                 done
361         done
362
363         return 0
364 }
365
366 udev_raidz_setup() {
367         local RANKS=$1
368         local CHANNELS=$2
369
370         RAIDZS=()
371         for RANK in `seq 1 ${RANKS}`; do
372                 RAIDZ=("raidz")
373
374                 for CHANNEL in `seq 1 ${CHANNELS}`; do
375                         DISK=`udev_cr2d ${CHANNEL} ${RANK}`
376                         RAIDZ[${CHANNEL}]="${DEVDIR}/${DISK}"
377                 done
378
379                 RAIDZS[${RANK}]="${RAIDZ[*]}"
380         done
381
382         return 0
383 }
384
385 udev_raidz2_setup() {
386         local RANKS=$1
387         local CHANNELS=$2
388
389         RAIDZ2S=()
390         for RANK in `seq 1 ${RANKS}`; do
391                 RAIDZ2=("raidz2")
392
393                 for CHANNEL in `seq 1 ${CHANNELS}`; do
394                         DISK=`udev_cr2d ${CHANNEL} ${RANK}`
395                         RAIDZ2[${CHANNEL}]="${DEVDIR}/${DISK}"
396                 done
397
398                 RAIDZ2S[${RANK}]="${RAIDZ2[*]}"
399         done
400
401         return 0
402 }
403
404 run_one_test() {
405         local TEST_NUM=$1
406         local TEST_NAME=$2
407
408         printf "%-4d %-36s " ${TEST_NUM} "${TEST_NAME}"
409         test_${TEST_NUM}
410 }
411
412 skip_one_test() {
413         local TEST_NUM=$1
414         local TEST_NAME=$2
415
416         printf "%-4d %-36s " ${TEST_NUM} "${TEST_NAME}"
417         skip
418 }
419
420 run_test() {
421         local TEST_NUM=$1
422         local TEST_NAME=$2
423
424         for i in ${TESTS_SKIP[@]}; do
425                 if [[ $i == ${TEST_NUM} ]] ; then
426                         skip_one_test ${TEST_NUM} "${TEST_NAME}"
427                         return 0
428                 fi
429         done
430
431         if [ "${TESTS_RUN[0]}" = "*" ]; then
432                 run_one_test ${TEST_NUM} "${TEST_NAME}"
433         else
434                 for i in ${TESTS_RUN[@]}; do
435                         if [[ $i == ${TEST_NUM} ]] ; then
436                                 run_one_test ${TEST_NUM} "${TEST_NAME}"
437                                 return 0
438                         fi
439                 done
440
441                 skip_one_test ${TEST_NUM} "${TEST_NAME}"
442         fi
443 }
444
445 wait_udev() {
446         local DEVICE=$1
447         local DELAY=$2
448         local COUNT=0
449
450         while [ ! -e ${DEVICE} ]; do
451                 if [ ${COUNT} -gt ${DELAY} ]; then
452                         return 1
453                 fi
454
455                 let COUNT=${COUNT}+1
456                 sleep 1
457         done
458
459         return 0
460 }