#!/bin/bash # build_ramdisk.sh - Build RAM disk images # exit on error to stop unexpected errors set -o errexit if [ ! "$#" -eq "1" ]; then echo "$0 builds a gziped Ubuntu OpenStack install" echo "usage: $0 dest" exit 1 fi # Set up nbd modprobe nbd max_part=63 # Echo commands set -o xtrace IMG_FILE=$1 # Keep track of the current directory TOOLS_DIR=$(cd $(dirname "$0") && pwd) TOP_DIR=`cd $TOOLS_DIR/..; pwd` # Store cwd CWD=`pwd` cd $TOP_DIR # Source params source ./stackrc CACHEDIR=${CACHEDIR:-/var/cache/devstack} DEST=${DEST:-/opt/stack} # Configure the root password of the vm to be the same as ``ADMIN_PASSWORD`` ROOT_PASSWORD=${ADMIN_PASSWORD:-password} # Base image (natty by default) DIST_NAME=${DIST_NAME:-natty} # Param string to pass to stack.sh. Like "EC2_DMZ_HOST=192.168.1.1 MYSQL_USER=nova" STACKSH_PARAMS=${STACKSH_PARAMS:-} # Option to use the version of devstack on which we are currently working USE_CURRENT_DEVSTACK=${USE_CURRENT_DEVSTACK:-1} # clean install if [ ! -r $CACHEDIR/$DIST_NAME-base.img ]; then $TOOLS_DIR/get_uec_image.sh $DIST_NAME $CACHEDIR/$DIST_NAME-base.img fi # Finds the next available NBD device # Exits script if error connecting or none free # map_nbd image # returns full nbd device path function map_nbd { for i in `seq 0 15`; do if [ ! -e /sys/block/nbd$i/pid ]; then NBD=/dev/nbd$i # Connect to nbd and wait till it is ready qemu-nbd -c $NBD $1 if ! timeout 60 sh -c "while ! [ -e ${NBD}p1 ]; do sleep 1; done"; then echo "Couldn't connect $NBD" exit 1 fi break fi done if [ -z "$NBD" ]; then echo "No free NBD slots" exit 1 fi echo $NBD } # prime image with as many apt/pips as we can DEV_FILE=$CACHEDIR/$DIST_NAME-dev.img DEV_FILE_TMP=`mktemp $DEV_FILE.XXXXXX` if [ ! -r $DEV_FILE ]; then cp -p $CACHEDIR/$DIST_NAME-base.img $DEV_FILE_TMP NBD=`map_nbd $DEV_FILE_TMP` MNTDIR=`mktemp -d --tmpdir mntXXXXXXXX` mount -t ext4 ${NBD}p1 $MNTDIR cp -p /etc/resolv.conf $MNTDIR/etc/resolv.conf chroot $MNTDIR apt-get install -y `cat files/apts/* | cut -d\# -f1 | egrep -v "(rabbitmq|libvirt-bin|mysql-server)"` chroot $MNTDIR pip install `cat files/pips/*` # Create a stack user that is a member of the libvirtd group so that stack # is able to interact with libvirt. chroot $MNTDIR groupadd libvirtd chroot $MNTDIR useradd stack -s /bin/bash -d $DEST -G libvirtd mkdir -p $MNTDIR/$DEST chroot $MNTDIR chown stack $DEST # a simple password - pass echo stack:pass | chroot $MNTDIR chpasswd echo root:$ROOT_PASSWORD | chroot $MNTDIR chpasswd # and has sudo ability (in the future this should be limited to only what # stack requires) echo "stack ALL=(ALL) NOPASSWD: ALL" >> $MNTDIR/etc/sudoers umount $MNTDIR rmdir $MNTDIR qemu-nbd -d $NBD mv $DEV_FILE_TMP $DEV_FILE fi rm -f $DEV_FILE_TMP # clone git repositories onto the system # ====================================== IMG_FILE_TMP=`mktemp $IMG_FILE.XXXXXX` if [ ! -r $IMG_FILE ]; then NBD=`map_nbd $DEV_FILE` # Pre-create the image file # FIXME(dt): This should really get the partition size to # pre-create the image file dd if=/dev/zero of=$IMG_FILE_TMP bs=1 count=1 seek=$((2*1024*1024*1024)) # Create filesystem image for RAM disk dd if=${NBD}p1 of=$IMG_FILE_TMP bs=1M qemu-nbd -d $NBD mv $IMG_FILE_TMP $IMG_FILE fi rm -f $IMG_FILE_TMP MNTDIR=`mktemp -d --tmpdir mntXXXXXXXX` mount -t ext4 -o loop $IMG_FILE $MNTDIR cp -p /etc/resolv.conf $MNTDIR/etc/resolv.conf # We need to install a non-virtual kernel and modules to boot from if [ ! -r "`ls $MNTDIR/boot/vmlinuz-*-generic | head -1`" ]; then chroot $MNTDIR apt-get install -y linux-generic fi # git clone only if directory doesn't exist already. Since ``DEST`` might not # be owned by the installation user, we create the directory and change the # ownership to the proper user. function git_clone { # clone new copy or fetch latest changes CHECKOUT=${MNTDIR}$2 if [ ! -d $CHECKOUT ]; then mkdir -p $CHECKOUT git clone $1 $CHECKOUT else pushd $CHECKOUT git fetch popd fi # FIXME(ja): checkout specified version (should works for branches and tags) pushd $CHECKOUT # checkout the proper branch/tag git checkout $3 # force our local version to be the same as the remote version git reset --hard origin/$3 popd # give ownership to the stack user chroot $MNTDIR chown -R stack $2 } git_clone $NOVA_REPO $DEST/nova $NOVA_BRANCH git_clone $GLANCE_REPO $DEST/glance $GLANCE_BRANCH git_clone $KEYSTONE_REPO $DEST/keystone $KEYSTONE_BRANCH git_clone $NOVNC_REPO $DEST/novnc $NOVNC_BRANCH git_clone $HORIZON_REPO $DEST/horizon $HORIZON_BRANCH git_clone $NOVACLIENT_REPO $DEST/python-novaclient $NOVACLIENT_BRANCH git_clone $OPENSTACKX_REPO $DEST/openstackx $OPENSTACKX_BRANCH # Use this version of devstack rm -rf $MNTDIR/$DEST/devstack cp -pr $CWD $MNTDIR/$DEST/devstack chroot $MNTDIR chown -R stack $DEST/devstack # Configure host network for DHCP mkdir -p $MNTDIR/etc/network cat > $MNTDIR/etc/network/interfaces <$MNTDIR/etc/hostname echo "127.0.0.1 localhost ramstack" >$MNTDIR/etc/hosts # Configure the runner RUN_SH=$MNTDIR/$DEST/run.sh cat > $RUN_SH < $DEST/run.sh.log echo >> $DEST/run.sh.log echo >> $DEST/run.sh.log echo "All done! Time to start clicking." >> $DEST/run.sh.log EOF # Make the run.sh executable chmod 755 $RUN_SH chroot $MNTDIR chown stack $DEST/run.sh umount $MNTDIR rmdir $MNTDIR