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105 lines
3.5 KiB
105 lines
3.5 KiB
#!/bin/bash
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# create-arista-veos-image.sh V1.0
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# HS-Fulda - sebastian.rieger@informatik.hs-fulda.de
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# usage
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if [ ! $# -eq 3 ] ; then
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echo -e "usage: $0 <Aboot-veos-serial-version.iso> <vEOS-version.vmdk> <new glance image name>, e.g.:\n"
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echo "$0 Aboot-veos-serial-2.0.8.iso vEOS-4.13.4F.vmdk vEOS"
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exit -1
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fi
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# sudo check
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if [ ! $UID -eq 0 ] ; then
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echo "Insufficient privileges. Please consider using sudo."
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exit -1
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fi
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ABOOT_SERIAL_ISO=$1
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ABOOT_SERIAL_ISO_BASENAME=$(basename -s .iso $1)
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VEOS_VMDK=$2
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VEOS_VMDK_BASENAME=$(basename -s .vmdk $2)
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GLANCE_IMAGE_NAME=$3
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GLANCE_IMAGE_RELEASE=$VEOS_VMDK_BASENAME-$ABOOT_SERIAL_ISO_BASENAME
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TMP_NAME="vEOS-$GLANCE_IMAGE_RELEASE"
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echo "Creating vEOS image..."
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echo "==========================================================="
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# create a copy of Aboot bootloader and extend it to 3G
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cp $1 $TMP_NAME.raw
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truncate -s +3G $TMP_NAME.raw
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echo "Extracting partitions from vEOS vmdk..."
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echo "==========================================================="
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# convert vmdk to raw and extract two partitions in it
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qemu-img convert -O raw $2 $VEOS_VMDK_BASENAME.raw
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kpartx -av $VEOS_VMDK_BASENAME.raw
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dd if=/dev/loop0p1 of=$VEOS_VMDK_BASENAME-p1.raw
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dd if=/dev/loop0p2 of=$VEOS_VMDK_BASENAME-p2.raw
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kpartx -d $VEOS_VMDK_BASENAME.raw
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echo "Injecting new partitions from vEOS vmdk in Aboot image..."
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echo "==========================================================="
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# calulate size of the two partitions
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PART1_START=$(fdisk -l $VEOS_VMDK_BASENAME.raw | grep "\.raw1" | tr -s " " | cut -d ' ' -f 3)
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PART1_END=$(fdisk -l $VEOS_VMDK_BASENAME.raw | grep "\.raw1" | tr -s " " | cut -d ' ' -f 4)
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PART1_LENGTH=$(expr $PART1_END - $PART1_START)
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PART2_START=$(fdisk -l $VEOS_VMDK_BASENAME.raw | grep "\.raw2" | tr -s " " | cut -d ' ' -f 2)
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PART2_END=$(fdisk -l $VEOS_VMDK_BASENAME.raw | grep "\.raw2" | tr -s " " | cut -d ' ' -f 3)
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PART2_LENGTH=$(expr $PART2_END - $PART2_START)
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# append the two partitions from vmdk in the bootloader iso
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echo -e "n
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p
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+$PART1_LENGTH
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t
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2
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c
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a
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2
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n
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p
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+$PART2_LENGTH
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t
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3
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12
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w" | fdisk $TMP_NAME.raw >/dev/null
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# copy the partitions from vEOS vmdk to new image
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kpartx -av $TMP_NAME.raw
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dd if=$VEOS_VMDK_BASENAME-p1.raw of=/dev/loop0p2
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dd if=$VEOS_VMDK_BASENAME-p2.raw of=/dev/loop0p3
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kpartx -d $TMP_NAME.raw
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echo "Convert new image to qcow2..."
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echo "==========================================================="
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# convert raw to qcow2
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qemu-img convert -O qcow2 $TMP_NAME.raw $TMP_NAME.qcow2
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echo "Cleaning up..."
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echo "==========================================================="
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#cleanup
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rm $TMP_NAME.raw
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rm $VEOS_VMDK_BASENAME-p1.raw
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rm $VEOS_VMDK_BASENAME-p2.raw
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rm $VEOS_VMDK_BASENAME.raw
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echo "Importing image into glance..."
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echo "==========================================================="
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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
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#testing:
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#
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# 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
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#
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# using VM Maestro, the image can be chosen as "VM image", e.g., for an IOSv or IOSvL2 node
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