devstack_custom/tools/build_ramdisk.sh

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#!/bin/bash
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# build_ramdisk.sh - Build RAM disk images
if [ ! "$#" -eq "1" ]; then
echo "$0 builds a gziped natty openstack install"
echo "usage: $0 dest"
exit 1
fi
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IMG_FILE=$1
PROGDIR=`dirname $0`
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CHROOTCACHE=${CHROOTCACHE:-/var/cache/devstack}
# Source params
source ./stackrc
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# Store cwd
CWD=`pwd`
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DEST=${DEST:-/opt/stack}
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# Param string to pass to stack.sh. Like "EC2_DMZ_HOST=192.168.1.1 MYSQL_USER=nova"
STACKSH_PARAMS=${STACKSH_PARAMS:-}
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# Option to use the version of devstack on which we are currently working
USE_CURRENT_DEVSTACK=${USE_CURRENT_DEVSTACK:-1}
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# Set up nbd
modprobe nbd max_part=63
NBD=${NBD:-/dev/nbd9}
NBD_DEV=`basename $NBD`
# clean install of natty
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if [ ! -r $CHROOTCACHE/natty-base.img ]; then
$PROGDIR/get_uec_image.sh natty $CHROOTCACHE/natty-base.img
# # copy kernel modules...
# # NOTE(ja): is there a better way to do this?
# cp -pr /lib/modules/`uname -r` $CHROOTCACHE/natty-base/lib/modules
# # a simple password - pass
# echo root:pass | chroot $CHROOTCACHE/natty-base chpasswd
fi
# prime natty with as many apt/pips as we can
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if [ ! -r $CHROOTCACHE/natty-dev.img ]; then
cp -p $CHROOTCACHE/natty-base.img $CHROOTCACHE/natty-dev.img
qemu-nbd -c $NBD $CHROOTCACHE/natty-dev.img
if ! timeout 60 sh -c "while ! [ -e /sys/block/$NBD_DEV/pid ]; do sleep 1; done"; then
echo "Couldn't connect $NBD"
exit 1
fi
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/*`
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# Create a stack user that is a member of the libvirtd group so that stack
# is able to interact with libvirt.
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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
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echo stack:pass | chroot $MNTDIR chpasswd
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# and has sudo ability (in the future this should be limited to only what
# stack requires)
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echo "stack ALL=(ALL) NOPASSWD: ALL" >> $MNTDIR/etc/sudoers
umount $MNTDIR
rmdir $MNTDIR
qemu-nbd -d $NBD
fi
# clone git repositories onto the system
# ======================================
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if [ ! -r $IMG_FILE ]; then
qemu-nbd -c $NBD $CHROOTCACHE/natty-dev.img
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if ! timeout 60 sh -c "while ! [ -e ${NBD}p1 ]; do sleep 1; done"; then
echo "Couldn't connect $NBD"
exit 1
fi
# Pre-create the image file
# FIXME(dt): This should really get the partition size to
# pre-create the image file
dd if=/dev/zero of=$IMG_FILE bs=1 count=1 seek=$((2*1024*1024*1024))
# Create filesystem image for RAM disk
dd if=${NBD}p1 of=$IMG_FILE bs=1M
qemu-nbd -d $NBD
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fi
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MNTDIR=`mktemp -d --tmpdir mntXXXXXXXX`
mount -t ext4 -o loop $IMG_FILE $MNTDIR
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cp -p /etc/resolv.conf $MNTDIR/etc/resolv.conf
# We need to install a non-virtual kernel and modules to boot from
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if [ ! -r "`ls $MNTDIR/boot/vmlinuz-*-generic | head -1`" ]; then
chroot $MNTDIR apt-get install -y linux-generic
fi
# git clone only if directory doesn't exist already. Since ``DEST`` might not
# be owned by the installation user, we create the directory and change the
# ownership to the proper user.
function git_clone {
# clone new copy or fetch latest changes
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CHECKOUT=${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
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chroot $MNTDIR chown -R stack $2
}
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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
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git_clone $HORIZON_REPO $DEST/horizon $HORIZON_BRANCH
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git_clone $NOVACLIENT_REPO $DEST/python-novaclient $NOVACLIENT_BRANCH
git_clone $OPENSTACKX_REPO $DEST/openstackx $OPENSTACKX_BRANCH
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# Use this version of devstack
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rm -rf $MNTDIR/$DEST/devstack
cp -pr $CWD $MNTDIR/$DEST/devstack
chroot $MNTDIR chown -R stack $DEST/devstack
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# Configure host network for DHCP
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mkdir -p $MNTDIR/etc/network
cat > $MNTDIR/etc/network/interfaces <<EOF
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auto lo
iface lo inet loopback
auto eth0
iface eth0 inet dhcp
EOF
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# Set hostname
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echo "ramstack" >$MNTDIR/etc/hostname
echo "127.0.0.1 localhost ramstack" >$MNTDIR/etc/hosts
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# Configure the runner
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RUN_SH=$MNTDIR/$DEST/run.sh
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cat > $RUN_SH <<EOF
#!/usr/bin/env bash
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# Get IP range
set \`ip addr show dev eth0 | grep inet\`
PREFIX=\`echo \$2 | cut -d. -f1,2,3\`
export FLOATING_RANGE="\$PREFIX.224/27"
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# Kill any existing screens
killall screen
# Run stack.sh
cd $DEST/devstack && \$STACKSH_PARAMS ./stack.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
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chroot $MNTDIR chown stack $DEST/run.sh
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umount $MNTDIR
rmdir $MNTDIR