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#!/bin/bash
# create-arista-veos-image.sh V1.0 # HS-Fulda - sebastian.rieger@informatik.hs-fulda.de
# usage if [ ! $# -eq 3 ] ; then echo -e "usage: $0 <Aboot-veos-serial-version.iso> <vEOS-version.vmdk> <new glance image name>, 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
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