1############################################################################## 2# run_qemu translates the ambiguous exit status in Table1 to that in Table2. 3# Table3 simply documents the complete status table. 4# 5# Table1: Before fixup 6# -------------------- 7# 0 - Unexpected exit from QEMU (possible signal), or the unittest did 8# not use debug-exit 9# 1 - most likely unittest succeeded, or QEMU failed 10# 11# Table2: After fixup 12# ------------------- 13# 0 - Everything succeeded 14# 1 - most likely QEMU failed 15# 16# Table3: Complete table 17# ---------------------- 18# 0 - SUCCESS 19# 1 - most likely QEMU failed 20# 2 - most likely a run script failed 21# 3 - most likely the unittest failed 22# 124 - most likely the unittest timed out 23# 127 - most likely the unittest called abort() 24# 1..127 - FAILURE (could be QEMU, a run script, or the unittest) 25# >= 128 - Signal (signum = status - 128) 26############################################################################## 27run_qemu () 28{ 29 local stdout errors ret sig 30 31 echo -n "$@" 32 initrd_create && 33 echo -n " #" 34 echo " $INITRD" 35 36 # stdout to {stdout}, stderr to $errors and stderr 37 exec {stdout}>&1 38 errors=$("${@}" $INITRD </dev/null 2> >(tee /dev/stderr) > /dev/fd/$stdout) 39 ret=$? 40 exec {stdout}>&- 41 42 [ $ret -eq 134 ] && echo "QEMU Aborted" >&2 43 44 if [ "$errors" ]; then 45 sig=$(grep 'terminating on signal' <<<"$errors") 46 if [ "$sig" ]; then 47 sig=$(sed 's/.*terminating on signal \([0-9][0-9]*\).*/\1/' <<<"$sig") 48 fi 49 fi 50 51 if [ $ret -eq 0 ]; then 52 # Some signals result in a zero return status, but the 53 # error log tells the truth. 54 if [ "$sig" ]; then 55 ((ret=sig+128)) 56 else 57 # Exiting with zero (non-debugexit) is an error 58 ret=1 59 fi 60 elif [ $ret -eq 1 ]; then 61 # Even when ret==1 (unittest success) if we also got stderr 62 # logs, then we assume a QEMU failure. Otherwise we translate 63 # status of 1 to 0 (SUCCESS) 64 if [ -z "$(echo "$errors" | grep -vi warning)" ]; then 65 ret=0 66 fi 67 fi 68 69 return $ret 70} 71 72run_qemu_status () 73{ 74 local stdout ret 75 76 exec {stdout}>&1 77 lines=$(run_qemu "$@" > >(tee /dev/fd/$stdout)) 78 ret=$? 79 exec {stdout}>&- 80 81 if [ $ret -eq 1 ]; then 82 testret=$(grep '^EXIT: ' <<<"$lines" | sed 's/.*STATUS=\([0-9][0-9]*\).*/\1/') 83 if [ "$testret" ]; then 84 if [ $testret -eq 1 ]; then 85 ret=0 86 else 87 ret=$testret 88 fi 89 fi 90 fi 91 92 return $ret 93} 94 95timeout_cmd () 96{ 97 if [ "$TIMEOUT" ] && [ "$TIMEOUT" != "0" ]; then 98 echo "timeout -k 1s --foreground $TIMEOUT" 99 fi 100} 101 102qmp () 103{ 104 echo '{ "execute": "qmp_capabilities" }{ "execute":' "$2" '}' | nc -U $1 105} 106 107run_migration () 108{ 109 if ! command -v nc >/dev/null 2>&1; then 110 echo "${FUNCNAME[0]} needs nc (netcat)" >&2 111 return 2 112 fi 113 114 migsock=`mktemp -u -t mig-helper-socket.XXXXXXXXXX` 115 migout1=`mktemp -t mig-helper-stdout1.XXXXXXXXXX` 116 qmp1=`mktemp -u -t mig-helper-qmp1.XXXXXXXXXX` 117 qmp2=`mktemp -u -t mig-helper-qmp2.XXXXXXXXXX` 118 fifo=`mktemp -u -t mig-helper-fifo.XXXXXXXXXX` 119 qmpout1=/dev/null 120 qmpout2=/dev/null 121 122 trap 'kill 0; exit 2' INT TERM 123 trap 'rm -f ${migout1} ${migsock} ${qmp1} ${qmp2} ${fifo}' RETURN EXIT 124 125 eval "$@" -chardev socket,id=mon1,path=${qmp1},server,nowait \ 126 -mon chardev=mon1,mode=control | tee ${migout1} & 127 128 # We have to use cat to open the named FIFO, because named FIFO's, unlike 129 # pipes, will block on open() until the other end is also opened, and that 130 # totally breaks QEMU... 131 mkfifo ${fifo} 132 eval "$@" -chardev socket,id=mon2,path=${qmp2},server,nowait \ 133 -mon chardev=mon2,mode=control -incoming unix:${migsock} < <(cat ${fifo}) & 134 incoming_pid=`jobs -l %+ | awk '{print$2}'` 135 136 # The test must prompt the user to migrate, so wait for the "migrate" keyword 137 while ! grep -q -i "migrate" < ${migout1} ; do 138 sleep 1 139 done 140 141 qmp ${qmp1} '"migrate", "arguments": { "uri": "unix:'${migsock}'" }' > ${qmpout1} 142 143 # Wait for the migration to complete 144 migstatus=`qmp ${qmp1} '"query-migrate"' | grep return` 145 while ! grep -q '"completed"' <<<"$migstatus" ; do 146 sleep 1 147 migstatus=`qmp ${qmp1} '"query-migrate"' | grep return` 148 if grep -q '"failed"' <<<"$migstatus" ; then 149 echo "ERROR: Migration failed." >&2 150 qmp ${qmp1} '"quit"'> ${qmpout1} 2>/dev/null 151 qmp ${qmp2} '"quit"'> ${qmpout2} 2>/dev/null 152 return 2 153 fi 154 done 155 qmp ${qmp1} '"quit"'> ${qmpout1} 2>/dev/null 156 echo > ${fifo} 157 wait $incoming_pid 158 ret=$? 159 wait 160 return $ret 161} 162 163migration_cmd () 164{ 165 if [ "$MIGRATION" = "yes" ]; then 166 echo "run_migration" 167 fi 168} 169 170search_qemu_binary () 171{ 172 local save_path=$PATH 173 local qemucmd qemu 174 175 export PATH=$PATH:/usr/libexec 176 for qemucmd in ${QEMU:-qemu-system-$ARCH_NAME qemu-kvm}; do 177 if $qemucmd --help 2>/dev/null | grep -q 'QEMU'; then 178 qemu="$qemucmd" 179 break 180 fi 181 done 182 183 if [ -z "$qemu" ]; then 184 echo "A QEMU binary was not found." >&2 185 echo "You can set a custom location by using the QEMU=<path> environment variable." >&2 186 return 2 187 fi 188 command -v $qemu 189 export PATH=$save_path 190} 191 192initrd_create () 193{ 194 local ret 195 196 env_add_errata 197 ret=$? 198 199 unset INITRD 200 [ -f "$ENV" ] && INITRD="-initrd $ENV" 201 202 return $ret 203} 204 205env_add_errata () 206{ 207 local line errata ret=1 208 209 if [ -f "$ENV" ] && grep -q '^ERRATA_' <(env); then 210 for line in $(grep '^ERRATA_' "$ENV"); do 211 errata=${line%%=*} 212 test -v $errata && continue 213 eval export "$line" 214 done 215 elif [ ! -f "$ENV" ]; then 216 env_generate_errata 217 fi 218 219 if grep -q '^ERRATA_' <(env); then 220 export ENV_OLD="$ENV" 221 export ENV=$(mktemp) 222 trap_exit_push 'rm -f $ENV; [ "$ENV_OLD" ] && export ENV="$ENV_OLD" || unset ENV; unset ENV_OLD' 223 [ -f "$ENV_OLD" ] && grep -v '^ERRATA_' "$ENV_OLD" > $ENV 224 grep '^ERRATA_' <(env) >> $ENV 225 ret=0 226 fi 227 228 return $ret 229} 230 231env_generate_errata () 232{ 233 local kernel_version_string=$(uname -r) 234 local kernel_version kernel_patchlevel kernel_sublevel kernel_extraversion 235 local line commit minver errata rest v p s x have 236 237 IFS=. read -r kernel_version kernel_patchlevel rest <<<"$kernel_version_string" 238 IFS=- read -r kernel_sublevel kernel_extraversion <<<"$rest" 239 kernel_sublevel=${kernel_sublevel%%[!0-9]*} 240 kernel_extraversion=${kernel_extraversion%%[!0-9]*} 241 242 ! [[ $kernel_sublevel =~ ^[0-9]+$ ]] && unset $kernel_sublevel 243 ! [[ $kernel_extraversion =~ ^[0-9]+$ ]] && unset $kernel_extraversion 244 245 [ "$ENVIRON_DEFAULT" != "yes" ] && return 246 [ ! -f "$ERRATATXT" ] && return 247 248 for line in $(grep -v '^#' "$ERRATATXT" | tr -d '[:blank:]' | cut -d: -f1,2); do 249 commit=${line%:*} 250 minver=${line#*:} 251 252 test -z "$commit" && continue 253 errata="ERRATA_$commit" 254 255 IFS=. read -r v p rest <<<"$minver" 256 IFS=- read -r s x <<<"$rest" 257 s=${s%%[!0-9]*} 258 x=${x%%[!0-9]*} 259 260 if ! [[ $v =~ ^[0-9]+$ ]] || ! [[ $p =~ ^[0-9]+$ ]]; then 261 echo "Bad minimum kernel version in $ERRATATXT, $minver" 262 return 2 263 fi 264 ! [[ $s =~ ^[0-9]+$ ]] && unset $s 265 ! [[ $x =~ ^[0-9]+$ ]] && unset $x 266 267 if (( $kernel_version > $v || 268 ($kernel_version == $v && $kernel_patchlevel > $p) )); then 269 have=y 270 elif (( $kernel_version == $v && $kernel_patchlevel == $p )); then 271 if [ "$kernel_sublevel" ] && [ "$s" ]; then 272 if (( $kernel_sublevel > $s )); then 273 have=y 274 elif (( $kernel_sublevel == $s )); then 275 if [ "$kernel_extraversion" ] && [ "$x" ]; then 276 if (( $kernel_extraversion >= $x )); then 277 have=y 278 else 279 have=n 280 fi 281 elif [ "$x" ] && (( $x != 0 )); then 282 have=n 283 else 284 have=y 285 fi 286 else 287 have=n 288 fi 289 elif [ "$s" ] && (( $s != 0 )); then 290 have=n 291 else 292 have=y 293 fi 294 else 295 have=n 296 fi 297 eval export "$errata=$have" 298 done 299} 300 301trap_exit_push () 302{ 303 local old_exit=$(trap -p EXIT | sed "s/^[^']*'//;s/'[^']*$//") 304 trap -- "$1; $old_exit" EXIT 305} 306 307kvm_available () 308{ 309 [ -c /dev/kvm ] || 310 return 1 311 312 [ "$HOST" = "$ARCH_NAME" ] || 313 ( [ "$HOST" = aarch64 ] && [ "$ARCH" = arm ] ) || 314 ( [ "$HOST" = x86_64 ] && [ "$ARCH" = i386 ] ) 315} 316 317get_qemu_accelerator () 318{ 319 if [ "$ACCEL" = "kvm" ] && ! kvm_available; then 320 echo "KVM is needed, but not available on this host" >&2 321 return 2 322 fi 323 324 if [ "$ACCEL" ]; then 325 echo $ACCEL 326 elif kvm_available; then 327 echo kvm 328 else 329 echo tcg 330 fi 331} 332