diff options
| -rwxr-xr-x | ci/envs/guest-cmd.sh | 10 | ||||
| -rwxr-xr-x | ci/envs/guest-modify.sh | 142 |
2 files changed, 152 insertions, 0 deletions
diff --git a/ci/envs/guest-cmd.sh b/ci/envs/guest-cmd.sh new file mode 100755 index 000000000..abfa51a40 --- /dev/null +++ b/ci/envs/guest-cmd.sh @@ -0,0 +1,10 @@ +#!/bin/bash +############################################################################## +## Copyright (c) 2015 Intel Corp. +## +## All rights reserved. This program and the accompanying materials +## are made available under the terms of the Apache License, Version 2.0 +## which accompanies this distribution, and is available at +## http://www.apache.org/licenses/LICENSE-2.0 +############################################################################### + diff --git a/ci/envs/guest-modify.sh b/ci/envs/guest-modify.sh new file mode 100755 index 000000000..1208dd37e --- /dev/null +++ b/ci/envs/guest-modify.sh @@ -0,0 +1,142 @@ +#!/bin/bash + +############################################################################## +# Copyright (c) 2015 Ericsson AB and others. +# +# All rights reserved. This program and the accompanying materials +# are made available under the terms of the Apache License, Version 2.0 +# which accompanies this distribution, and is available at +# http://www.apache.org/licenses/LICENSE-2.0 +############################################################################## + +# This is copy from yardstick-img-modify on yardstick project. Currently +# yardstick script only ubuntu image, and this one is more for CentOS. +# Example invocation: +# yardstick-img-modify /home/yardstick/tools/ubuntu-server-cloudimg-modify.sh +# +# Warning: the script will create files by default in: +# /tmp/workspace/yardstick +# the files will be owned by root! +# +# TODO: image resize is needed if the base image is too small +# + +set -e +set -x + +die() { + echo "error: $1" >&2 + exit 1 +} + +usage () { + echo "$0 cmd workspace" + exit 1 +} + +test $# -eq 2 || usage +test $(id -u) -eq 0 || die "should invoke using sudo" + +ROOTDIR=$(cd $(dirname "$0")/../.. && pwd) +cmd=$1 +test -x $cmd +workspace=$2 +mountdir=`mktemp -d` + +image_url=${IMAGE_URL:-"http://cloud.centos.org/centos/7/images/CentOS-7-x86_64-GenericCloud-1510.qcow2"} +md5sums_url=${MD5SUMS_URL:-"http://cloud.centos.org/centos/7/images/sha256sum.txt"} + +imgfile="${workspace}/guest.img" +raw_imgfile="${workspace}/guest.raw" +filename=$(basename $image_url) +md5filename=$(basename $md5sums_url) + +# download and checksum base image, conditionally if local copy is outdated +download() { + test -d $workspace || mkdir -p $workspace + cd $workspace + rm -f $md5filename # always download the checksum file to a detect stale image + wget $md5sums_url + test -e $filename || wget -nc $image_url + grep "$filename\$" $md5filename |sha256sum -c + if [ $? -ne 0 ]; then + rm $filename + wget -nc $image_url + grep $filename $md5filename | md5sum -c + fi + rm -rf $raw_imgfile + qemu-img convert $filename $raw_imgfile + cd - +} + +# mount image +setup() { + mkdir -p $mountdir + + loopdevice=$(kpartx -l $raw_imgfile | head -1 | cut -f1 -d ' ') + + kpartx -a $raw_imgfile + # No idea why need this sleep + sleep 3 + mount /dev/mapper/$loopdevice $mountdir + + cp $cmd "$mountdir/" +} + +# modify image running a script using in a chrooted environment +modify() { + # Add the ssh key to the image + mkdir -p ${mountdir}/root/.ssh + cp ${ROOTDIR}/ci/envs/kvm4nfv_key.pub ${mountdir}/root/.ssh/authorized_keys + chmod 700 ${mountdir}/root/.ssh + chmod 600 ${mountdir}/root/.ssh/authorized_keys + + + umount $mountdir + + qemu-img convert -O qcow2 $raw_imgfile $imgfile +} + +# cleanup (umount) the image +cleanup() { + # designed to be idempotent + mount | grep $mountdir && umount $mountdir + kpartx -d $raw_imgfile || true + rm -f $raw_imgfile + rm -rf $mountdir +} + +exitcode="" +error_trap() +{ + local rc=$? + + set +e + + if [ -z "$exitcode" ]; then + exitcode=$rc + fi + + 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" +} + +main |