commit 0ce1c65f34afeb7c09dd0b52eca8d0d15d3c3f76 Author: Sebastian Rieger Date: Sun Jul 19 21:26:23 2015 +0200 first commit diff --git a/create-arista-veos-image.sh b/create-arista-veos-image.sh new file mode 100644 index 0000000..518c3d2 --- /dev/null +++ b/create-arista-veos-image.sh @@ -0,0 +1,103 @@ +#!/bin/bash + +# usage +if [ ! $# -eq 3 ] ; then + echo -e "usage: $0 , e.g.:\n" + echo "$0 Aboot-veos-serial-2.0.8.iso vEOS-4.13.4F.vmdk vEOS" + exit -1 +fi + +# sudo check +if [ ! $UID -eq 0 ] ; then + echo "Insufficient privileges. Please consider using sudo." + exit -1 +fi + +ABOOT_SERIAL_ISO=$1 +ABOOT_SERIAL_ISO_BASENAME=$(basename -s .iso $1) +VEOS_VMDK=$2 +VEOS_VMDK_BASENAME=$(basename -s .vmdk $2) +GLANCE_IMAGE_NAME=$3 +GLANCE_IMAGE_RELEASE=$VEOS_VMDK_BASENAME-$ABOOT_SERIAL_ISO_BASENAME +TMP_NAME="vEOS-$GLANCE_IMAGE_RELEASE" + +echo "Creating vEOS image..." +echo "===========================================================" + +# create a copy of Aboot bootloader and extend it to 3G +cp $1 $TMP_NAME.raw +truncate -s +3G $TMP_NAME.raw + +echo "Extracting partitions from vEOS vmdk..." +echo "===========================================================" + +# convert vmdk to raw and extract two partitions in it +qemu-img convert -O raw $2 $VEOS_VMDK_BASENAME.raw +kpartx -av $VEOS_VMDK_BASENAME.raw +dd if=/dev/loop0p1 of=$VEOS_VMDK_BASENAME-p1.raw +dd if=/dev/loop0p2 of=$VEOS_VMDK_BASENAME-p2.raw +kpartx -d $VEOS_VMDK_BASENAME.raw + +echo "Injecting new partitions from vEOS vmdk in Aboot image..." +echo "===========================================================" + +# calulate size of the two partitions +PART1_START=$(fdisk -l $VEOS_VMDK_BASENAME.raw | grep "\.raw1" | tr -s " " | cut -d ' ' -f 3) +PART1_END=$(fdisk -l $VEOS_VMDK_BASENAME.raw | grep "\.raw1" | tr -s " " | cut -d ' ' -f 4) +PART1_LENGTH=$(expr $PART1_END - $PART1_START) + +PART2_START=$(fdisk -l $VEOS_VMDK_BASENAME.raw | grep "\.raw2" | tr -s " " | cut -d ' ' -f 2) +PART2_END=$(fdisk -l $VEOS_VMDK_BASENAME.raw | grep "\.raw2" | tr -s " " | cut -d ' ' -f 3) +PART2_LENGTH=$(expr $PART2_END - $PART2_START) + +# append the two partitions from vmdk in the bootloader iso +echo -e "n +p + + ++$PART1_LENGTH +t +2 +c +a +2 +n +p + + ++$PART2_LENGTH +t +3 +12 +w" | fdisk $TMP_NAME.raw >/dev/null + +# copy the partitions from vEOS vmdk to new image +kpartx -av $TMP_NAME.raw +dd if=$VEOS_VMDK_BASENAME-p1.raw of=/dev/loop0p2 +dd if=$VEOS_VMDK_BASENAME-p2.raw of=/dev/loop0p3 +kpartx -d $TMP_NAME.raw + +echo "Convert new image to qcow2..." +echo "===========================================================" + +# convert raw to qcow2 +qemu-img convert -O qcow2 $TMP_NAME.raw $TMP_NAME.qcow2 + +echo "Cleaning up..." +echo "===========================================================" + +#cleanup +rm $TMP_NAME.raw +rm $VEOS_VMDK_BASENAME-p1.raw +rm $VEOS_VMDK_BASENAME-p2.raw +rm $VEOS_VMDK_BASENAME.raw + +echo "Importing image into glance..." +echo "===========================================================" +glance image-create --container-format bare --disk-format qcow2 --is-public true --name $GLANCE_IMAGE_NAME --file $TMP_NAME.qcow2 --property hw_disk_bus=ide --property serial=1 --property hw_vif_model=e1000 --property hw_cdrom_type=ide --property release="$GLANCE_IMAGE_RELEASE" --property subtype=IOSv --property config_disk_type=cdrom + +#testing: +# +# nova boot --image "Arista vEOS Disk" --flavor m1.small veos --nic net-id=abc7ad47-55fd-4396-8d31-91dd4d41a18a --nic net-id=abc7ad47-55fd-4396-8d31-91dd4d41a18a --nic net-id=abc7ad47-55fd-4396-8d31-91dd4d41a18a --nic net-id=abc7ad47-55fd-4396-8d31-91dd4d41a18a --nic net-id=abc7ad47-55fd-4396-8d31-91dd4d41a18a +# +# using VM Maestro, the image can be chosen as "VM image", e.g., for an IOSv or IOSvL2 node