forked from srieger/virl-utils-hs-fulda
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
154 lines
4.9 KiB
154 lines
4.9 KiB
#!/bin/bash
|
|
# create-arista-veos-image.sh V1.11
|
|
# HS-Fulda - sebastian.rieger@informatik.hs-fulda.de
|
|
#
|
|
# changelog:
|
|
# V1.1 added injection of config defined in VM Maestro using config-drivex
|
|
# V1.11 fixed device mapping of extracted partitions, fixed problems with stale swi directory
|
|
|
|
# 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 -s."
|
|
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"
|
|
TIMESTAMP=$(date +%Y%m%d%H%M%S)
|
|
|
|
echo
|
|
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
|
|
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 $VEOS_VMDK_BASENAME.raw
|
|
dd if=/dev/mapper/loop0p1 of=$VEOS_VMDK_BASENAME-p1.raw
|
|
dd if=/dev/mapper/loop0p2 of=$VEOS_VMDK_BASENAME-p2.raw
|
|
kpartx -d $VEOS_VMDK_BASENAME.raw
|
|
|
|
echo
|
|
echo "Injecting rc.eos startup script to get switch config..."
|
|
echo "==========================================================="
|
|
|
|
# inject rc.eos script in first partition of the image, to get switch config defined in VM Maestro (config-drive)
|
|
mkdir swi-$TIMESTAMP
|
|
mount -o loop $VEOS_VMDK_BASENAME-p1.raw swi-$TIMESTAMP
|
|
cd swi-$TIMESTAMP
|
|
cat << EOF > rc.eos
|
|
#!/bin/sh
|
|
#
|
|
# startup script to get node configs from VM Maestro
|
|
#
|
|
|
|
echo "Getting switch config from config drive..."
|
|
echo "=========================================="
|
|
mkdir /config-drive
|
|
mount /dev/sdb1 /config-drive
|
|
|
|
echo "Getting ip address for ma1 via dhcp..."
|
|
echo "=========================================="
|
|
dhclient -r ma1
|
|
dhclient -1 -v ma1 >/mnt/flash/dhclient.log
|
|
IP=\$(ip addr show ma1 | grep inet | tr -s ' ' | cut -d ' ' -f 3 | sed s/"\/"/"\\\\\\\\\/"/g)
|
|
echo \$IP
|
|
sed s/"! ip of ma1 configured on launch"/"ip address \$IP"/g /config-drive/veos_config.txt >/mnt/flash/startup-config.tmp
|
|
cat /mnt/flash/startup-config.tmp
|
|
echo
|
|
|
|
echo "Copying switch config from config drive..."
|
|
echo "=========================================="
|
|
cp /mnt/flash/startup-config.tmp /mnt/flash/startup-config
|
|
EOF
|
|
chmod 755 rc.eos
|
|
cd ..
|
|
umount swi-$TIMESTAMP
|
|
rm -rf swi-$TIMESTAMP
|
|
|
|
echo
|
|
echo "Injecting new partitions from vEOS vmdk in Aboot image..."
|
|
echo "==========================================================="
|
|
|
|
# calulate size of the two partitions
|
|
PART1_START=$(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/mapper/loop0p2
|
|
dd if=$VEOS_VMDK_BASENAME-p2.raw of=/dev/mapper/loop0p3
|
|
kpartx -d $TMP_NAME.raw
|
|
|
|
echo
|
|
echo "Convert new image to qcow2..."
|
|
echo "==========================================================="
|
|
|
|
# convert raw to qcow2
|
|
qemu-img convert -O qcow2 $TMP_NAME.raw $TMP_NAME.qcow2
|
|
|
|
echo
|
|
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
|
|
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=disk
|
|
|
|
#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
|