X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=tools%2Fyardstick-img-modify;h=13d4360d9112b1426b005ef6eb4942c6c16b8e2d;hb=2ccc014f0ee366a0abc78df4e7e501006f3a56cd;hp=eba85473cf2e0ef3391c3e1d0dbe20304b2355e4;hpb=7492216de2f198e42bcd5e1539c8b21886a78d8c;p=yardstick.git diff --git a/tools/yardstick-img-modify b/tools/yardstick-img-modify index eba85473c..13d4360d9 100755 --- a/tools/yardstick-img-modify +++ b/tools/yardstick-img-modify @@ -25,6 +25,7 @@ # set -e +set -x die() { echo "error: $1" >&2 @@ -47,6 +48,7 @@ md5sums_path="${release}/current/MD5SUMS" md5sums_url=${MD5SUMS_URL:-"https://${host}/${md5sums_path}"} imgfile="${workspace}/yardstick-${release}-server.img" +raw_imgfile="${workspace}/yardstick-${release}-server.raw" filename=$(basename $image_url) # download and checksum base image, conditionally if local copy is outdated @@ -55,25 +57,36 @@ download() { cd $workspace rm -f MD5SUMS # always download the checksum file to a detect stale image wget $md5sums_url - test -e $filename || wget -nc $image_url + test -e $filename || wget -nc --progress=dot:giga $image_url grep $filename MD5SUMS | md5sum -c || if [ $? -ne 0 ]; then rm $filename - wget -nc $image_url + wget -nc --progress=dot:giga $image_url grep $filename MD5SUMS | md5sum -c fi - cp $filename $imgfile + qemu-img convert $filename $raw_imgfile cd - } -# mount image using qemu-nbd +# mount image setup() { - modprobe nbd max_part=16 - qemu-nbd -c /dev/nbd0 $imgfile - partprobe /dev/nbd0 - mkdir -p $mountdir - mount /dev/nbd0p1 $mountdir + + for i in $(seq 0 9); do + [ -a /dev/loop$i ] || mknod -m 660 /dev/loop$i b 7 $i + done + + loopdevice=$(kpartx -l $raw_imgfile | head -1 | cut -f1 -d ' ') + + kpartx -av $raw_imgfile + + # for trouble shooting + sleep 2 + dmsetup ls + fdisk -l /dev/${loopdevice:0:5} || true + + mount /dev/mapper/$loopdevice $mountdir + mount -t proc none $mountdir/proc cp $cmd $mountdir/$(basename $cmd) } @@ -83,25 +96,67 @@ modify() { # resolv.conf does not exist in base image, pass nameserver value from host nameserver_ip=$(grep -m 1 '^nameserver' \ /etc/resolv.conf | awk '{ print $2 '}) + + # prevent init scripts from running during install + echo $'#!/bin/sh\nexit 101' >$mountdir/usr/sbin/policy-rc.d + chmod a+x $mountdir/usr/sbin/policy-rc.d + chroot $mountdir /$(basename $cmd) $nameserver_ip + + rm -rf $mountdir/usr/sbin/policy-rc.d + + umount -f $mountdir/proc + umount $mountdir + + qemu-img convert -c -o compat=0.10 -O qcow2 $raw_imgfile $imgfile + + if dmsetup table | grep $loopdevice; then + dmsetup clear $loopdevice || true + fi } # cleanup (umount) the image cleanup() { # designed to be idempotent + mount | grep $mountdir/proc && umount $mountdir/proc mount | grep $mountdir && umount $mountdir - test -b /dev/nbd0 && partprobe /dev/nbd0 - pgrep qemu-nbd && qemu-nbd -d /dev/nbd0 + if [ -f $raw_imgfile ]; then + kpartx -dv $raw_imgfile || true + fi + rm -f $raw_imgfile rm -rf $mountdir - killall qemu-nbd 2> /dev/null || true - lsmod | grep nbd && rmmod nbd || true +} + +exitcode="" +error_trap() +{ + local rc=$? + + set +e + + if [ -z "$exitcode" ]; then + exitcode=$rc + fi + + dmesg -T | tail -50 + + cleanup + + echo "Image build failed with $exitcode" + + exit $exitcode } main() { cleanup + + trap "error_trap" EXIT SIGTERM + download setup modify + + trap - EXIT SIGTERM cleanup echo "the modified image is found here: $imgfile"