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#!/bin/bash
# create-cumulus-vx-image.sh V0.1 # HS-Fulda - sebastian.rieger@informatik.hs-fulda.de
# usage if [ ! $# -eq 2 ] ; then echo -e "usage: $0 <CumulusVX.qcow2> <new glance image name>, e.g.:\n" echo "$0 CumulusVX-2.5.3-f3df86c478e1a4ef.qcow2 CumulusVX" exit -1 fi
# sudo check if [ ! $UID -eq 0 ] ; then echo "Insufficient privileges. Please consider using sudo -s." exit -1 fi
CUMULUS_QCOW2=$1 CUMULUS_QCOW2_BASENAME=$(basename -s .qcow2 $1) CUMULUS_PATCHED_QCOW2=$1-patched.qcow2 GLANCE_IMAGE_NAME=$2 GLANCE_IMAGE_RELEASE=$CUMULUS_QCOW2_BASENAME TMP_NAME="CumulusVX-$GLANCE_IMAGE_RELEASE" TIMESTAMP=$(date +%Y%m%d%H%M%S)
echo echo "Creating CumulusVX image..." echo "==========================================================="
qemu-img convert -O raw $CUMULUS_QCOW2 $CUMULUS_QCOW2_BASENAME.raw LOOPDEV=$(kpartx -av $CUMULUS_QCOW2_BASENAME.raw) LOOPDEV_PART1=$(echo "$LOOPDEV" | sed '1q;d' | cut -d " " -f 3) LOOPDEV_PART2=$(echo "$LOOPDEV" | sed '2q;d' | cut -d " " -f 3)
mkdir cumulusvx-boot-$TIMESTAMP mkdir cumulusvx-root-$TIMESTAMP
echo echo "Injecting changes to use serial console and startup script to get switch config..." echo "=================================================================================="
mount /dev/mapper/$LOOPDEV_PART1 cumulusvx-boot-$TIMESTAMP mount /dev/mapper/$LOOPDEV_PART2 cumulusvx-root-$TIMESTAMP # changing grub and inittab to use a serial console on kernel command line sed -i.bak -e s/"linux \/bzImage root=\/dev\/sda2"/"linux \/bzImage root=\/dev\/sda2 console=ttyS0 console=tty0"/g cumulusvx-root-$TIMESTAMP/vbox_grub.cfg sed -i.bak -e s/"linux \/bzImage root=\/dev\/sda2"/"linux \/bzImage root=\/dev\/sda2 console=ttyS0 console=tty0"/g cumulusvx-boot-$TIMESTAMP/grub/grub.cfg sed -i.bak -e s/"# S0:3:respawn:\/sbin\/getty -L \$(get-cmdline-console) vt100"/"S0:3:respawn:\/sbin\/getty -L \$(get-cmdline-console) vt100"/g cumulusvx-root-$TIMESTAMP/etc/inittab sed -i.bak -e s/"^exit 0$"/""/g cumulusvx-root-$TIMESTAMP/etc/rc.local cat << EOF >> cumulusvx-root-$TIMESTAMP/etc/rc.local mkdir /virl-config mount /dev/sdb1 /virl-config chmod +x /virl-config/cumulusvx.sh /virl-config/cumulusvx.sh >/var/log/virl-startup.log EOF
bash
# inject script to handle dhcp for eth0 and import of config defined in VM Maestro (config-drive)
umount cumulusvx-boot-$TIMESTAMP umount cumulusvx-root-$TIMESTAMP rm -rf cumulusvx-boot-$TIMESTAMP rm -rf cumulusvx-root-$TIMESTAMP kpartx -d $CUMULUS_QCOW2_BASENAME.raw
echo echo "Saving CumulusVX image..." echo "==========================================================="
qemu-img convert -O qcow2 $CUMULUS_QCOW2_BASENAME.raw $CUMULUS_PATCHED_QCOW2
# use e1000 for now as with virtio we get dhcp errors due to "bad udp checksum" in Debian glance image-create --container-format bare --disk-format qcow2 --is-public true --name $GLANCE_IMAGE_NAME \
--file $CUMULUS_PATCHED_QCOW2 --property hw_disk_bus=ide --property serial=1 \
--property hw_vif_model=e1000 --property hw_cdrom_type=ide --property release="$GLANCE_IMAGE_RELEASE" --property subtype=CumulusVX --property config_disk_type=disk
echo echo "Cleaning up..." echo "==========================================================="
rm $CUMULUS_QCOW2_BASENAME.raw
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