#!/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: $0 dest" exit 1 fi # Clean up any resources that may be in use cleanup() { set +o errexit # Mop up temporary files if [ -n "$MNTDIR" -a -d "$MNTDIR" ]; then umount $MNTDIR rmdir $MNTDIR fi if [ -n "$DEV_FILE_TMP" -a -e "$DEV_FILE_TMP" ]; then rm -f $DEV_FILE_TMP fi if [ -n "$IMG_FILE_TMP" -a -e "$IMG_FILE_TMP" ]; then rm -f $IMG_FILE_TMP fi # Release NBD devices if [ -n "$NBD" ]; then qemu-nbd -d $NBD fi # Kill ourselves to signal any calling process trap 2; kill -2 $$ } trap cleanup SIGHUP SIGINT SIGTERM # 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) # Import common functions . $TOP_DIR/functions # Store cwd CWD=`pwd` cd $TOP_DIR # Source params source ./stackrc CACHEDIR=${CACHEDIR:-/opt/stack/cache} 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 and returns full device path for the next available NBD device. # Exits script if error connecting or none free. # map_nbd image 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 $NBD } # Prime image with as many apt as we can DEV_FILE=$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 --download-only `cat files/apts/* | grep NOPRIME | cut -d\# -f1` chroot $MNTDIR apt-get install -y --force-yes `cat files/apts/* | grep -v NOPRIME | cut -d\# -f1` # 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_USER -s /bin/bash -d $DEST -G libvirtd mkdir -p $MNTDIR/$DEST chroot $MNTDIR chown $STACK_USER $DEST # A simple password - pass echo $STACK_USER: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_USER ALL=(ALL) NOPASSWD: ALL" >> $MNTDIR/etc/sudoers umount $MNTDIR rmdir $MNTDIR qemu-nbd -d $NBD 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 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 $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_USER $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_USER $DEST/run.sh umount $MNTDIR rmdir $MNTDIR