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Sebastian Rieger 10 years ago
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  1. 152
      create-arista-veos-image.sh
  2. 22
      dynamic-subtype-vEOS.json
  3. 28
      minimal-config-vEOS.txt

152
create-arista-veos-image.sh

@ -1,152 +0,0 @@
#!/bin/bash
# create-arista-veos-image.sh V1.1
# HS-Fulda - sebastian.rieger@informatik.hs-fulda.de
#
# changelog:
# V1.1 added injection of config defined in VM Maestro using config-drivex
# 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"
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 $VEOS_VMDK_BASENAME.raw
dd if=/dev/loop0p1 of=$VEOS_VMDK_BASENAME-p1.raw
dd if=/dev/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
mount -o loop $VEOS_VMDK_BASENAME-p1.raw swi
cd swi
cat << EOF > rc.eos
#!/bin/sh
#
# startup script to get node configs from VM Maestro
#
echo "Getting switch config from config drive..."
echo "=========================================="
mkdir /config-drive
mount /dev/sdb1 /config-drive
echo "Getting ip address for ma1 via dhcp..."
echo "=========================================="
dhclient -r ma1
dhclient -1 -v ma1 >/mnt/flash/dhclient.log
IP=\$(ip addr show ma1 | grep inet | tr -s ' ' | cut -d ' ' -f 3 | sed s/"\/"/"\\\\\\\\\/"/g)
echo \$IP
sed s/"! ip of ma1 configured on launch"/"ip address \$IP"/g /config-drive/veos_config.txt >/mnt/flash/startup-config.tmp
cat /mnt/flash/startup-config.tmp
echo
echo "Copying switch config from config drive..."
echo "=========================================="
cp /mnt/flash/startup-config.tmp /mnt/flash/startup-config
EOF
chmod 755 rc.eos
cd ..
umount swi
rmdir swi
echo
echo "Injecting new partitions from vEOS vmdk in Aboot image..."
echo "==========================================================="
# calulate size of the two partitions
PART1_START=$(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/loop0p2
dd if=$VEOS_VMDK_BASENAME-p2.raw of=/dev/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

22
dynamic-subtype-vEOS.json

@ -1,22 +0,0 @@
{
"dynamic-subtypes": [
{
"plugin_name": "vEOS",
"cli_serial": 1,
"plugin_desc": "Arista vEOS",
"cli_protocol": "ssh",
"hw_ram": 1024,
"hw_vm_extra": "",
"interface_wrap": 7,
"baseline_image": "vEOS",
"hw_disk_bus": "ide",
"interface_pattern": "Ethernet{0}",
"config_file": "/veos_config.txt",
"baseline_flavor": "vEOS.small",
"plugin_base": "IOSvL2",
"vnc_available": true,
"interface_management": "Management1",
"interface_range": 7
}
]
}

28
minimal-config-vEOS.txt

@ -1,28 +0,0 @@
! device: veos-1 (vEOS, EOS-4.14.2F)
!
! boot system flash:/vEOS.swi
!
transceiver qsfp default-mode 4x10G
!
hostname veos-1
!
spanning-tree mode mstp
!
no aaa root
!
username admin role network-admin secret 5
$1$93LlZesx$MSqS1D/8NGTSY724FGx1K0
username cisco role network-admin secret 5
$1$rQS0W9wP$ZUzVG2XoGCCZCJopFp1aV/
!
interface Ethernet1
!
interface Ethernet2
!
interface Management1
! ip of ma1 configured on launch
!
no ip routing
!
!
end
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