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Commit 6552ddb6 authored by Sebastian Rieger's avatar Sebastian Rieger
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fixed Arista vEOS image creation for VIRL >=1.3, added default subtype 

creation
parent 044fba43
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create-arista-veos-image/create-arista-veos-image.sh
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− 9
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......@@ -13,6 +13,7 @@
# V1.3.2 changed the extension of the bootloader iso to match the size of the partitions to be injected
# V1.4 support for variable VEOS image sizes (as requested by @Jade_Deane to use custom VEOS images)
# V1.4.1 fixed check for existing images
# V1.5 fixed detection of missing loop files for Ubuntu 16.04 in VIRL >=1.3, added default subtype creation
# usage
if [ ! $# -eq 3 ] ; then
......@@ -77,6 +78,7 @@ echo "Creating vEOS image..."
echo "==========================================================="
# create a copy of Aboot bootloader and extend it to 3G
echo "Creating a copy of Aboot bootloader in $TMP_NAME.raw..."
cp $1 $TMP_NAME.raw
echo
......@@ -84,13 +86,43 @@ echo "Extracting partitions from vEOS vmdk..."
echo "==========================================================="
# convert vmdk to raw and extract two partitions in it
echo "Converting vmdk image to raw..."
qemu-img convert -O raw $2 $VEOS_VMDK_BASENAME.raw
LOOPDEV=$(kpartx -av $VEOS_VMDK_BASENAME.raw)
LOOPDEV_PART1=$(echo "$LOOPDEV" | sed '1q;d' | cut -d " " -f 3)
LOOPDEV_PART2=$(echo "$LOOPDEV" | sed '2q;d' | cut -d " " -f 3)
echo "Output from kpartx: $LOOPDEV"
echo "PART1: $LOOPDEV_PART1"
echo "PART2: $LOOPDEV_PART2"
echo -n "waiting for loop devs from kpartx"
LOOP_DEV_RETRIES=0
until dd if=/dev/mapper/$LOOPDEV_PART1 of=/dev/null bs=1k count=1 &>/dev/null && dd if=/dev/mapper/$LOOPDEV_PART2 of=/dev/null bs=1k count=1 &>/dev/null ; do
echo -n "."
LOOP_DEV_RETRIES=$(expr $LOOP_DEV_RETRIES + 1)
if [ $LOOP_DEV_RETRIES -eq 10 ]; then
echo
echo "ERROR: timeout waiting for loop devs from kaprtx"
exit
fi
sleep 1
done
echo
echo "using dd to extract partitions..."
dd if=/dev/mapper/$LOOPDEV_PART1 of=$VEOS_VMDK_BASENAME-p1.raw
dd if=/dev/mapper/$LOOPDEV_PART2 of=$VEOS_VMDK_BASENAME-p2.raw
kpartx -d $VEOS_VMDK_BASENAME.raw
LOOP_DEV_DEL_RETRIES=0
echo "removing loop devs from kpartx"
until kpartx -vd $VEOS_VMDK_BASENAME.raw ; do
echo -n "."
LOOP_DEV_DEL_RETRIES=$(expr $LOOP_DEV_DEL_RETRIES + 1)
if [ $LOOP_DEV_DEL_RETRIES -eq 10 ]; then
echo
echo "ERROR: timeout waiting for loop dev removal from kaprtx"
exit
fi
sleep 1
done
echo
echo
echo "Injecting rc.eos startup script to get switch config..."
......@@ -98,8 +130,10 @@ echo "==========================================================="
# inject rc.eos script in first partition of the image, to get switch config defined in VM Maestro (config-drive)
mkdir swi-$TIMESTAMP
echo "loop mounting image..."
mount -o loop $VEOS_VMDK_BASENAME-p1.raw swi-$TIMESTAMP
cd swi-$TIMESTAMP
echo "injecting rc.eos..."
cat << EOF > rc.eos
#!/bin/sh
#
......@@ -134,6 +168,7 @@ EOF
chmod 755 rc.eos
cd ..
echo "unmounting image..."
safe_unmount swi-$TIMESTAMP
rm -rf swi-$TIMESTAMP
......@@ -142,19 +177,31 @@ echo
echo "Injecting new partitions from vEOS vmdk in Aboot image..."
echo "==========================================================="
echo "$VEOS_VMDK_BASENAME.raw (original vEOS vmdk layout):"
fdisk -l $VEOS_VMDK_BASENAME.raw
echo "$TMP_NAME.raw (original ABoot bootloader layout):"
fdisk -l $TMP_NAME.raw
# calulate size of the two partitions
PART1_START=$(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 - $PART1_START)
echo "raw1 start=$PART1_START,end=$PART1_END,length=$PART1_LENGTH"
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 - $PART2_START)
echo "raw2 start=$PART2_START,end=$PART2_END,length=$PART2_LENGTH"
# extend the bootloader iso to be able to append the two partitions
EXTENSION_SIZE=$(ls -lk $VEOS_VMDK_BASENAME.raw | tr -s " " | cut -d " " -f 5)
echo "extending image $TMP_NAME.raw to +$EXTENSION_SIZE"
truncate -s +$EXTENSION_SIZE $TMP_NAME.raw
echo "appending partitions from vmdk in the bootloader iso in $TMP_NAME.raw..."
# append the two partitions from vmdk in the bootloader iso
echo -e "n
p
......@@ -174,15 +221,47 @@ p
t
3
12
w" | fdisk $TMP_NAME.raw >/dev/null
w" | fdisk $TMP_NAME.raw
echo "$TMP_NAME.raw (new combined image layout):"
fdisk -l $TMP_NAME.raw
# copy the partitions from vEOS vmdk to new image
LOOPDEV=$(kpartx -av $TMP_NAME.raw)
LOOPDEV_PART2=$(echo "$LOOPDEV" | sed '2q;d' | cut -d " " -f 3)
LOOPDEV_PART3=$(echo "$LOOPDEV" | sed '3q;d' | cut -d " " -f 3)
echo "Output from kpartx: $LOOPDEV"
echo "PART1: $LOOPDEV_PART1"
echo "PART2: $LOOPDEV_PART2"
echo -n "waiting for loop devs from kpartx"
LOOP_DEV_RETRIES=0
until dd if=/dev/mapper/$LOOPDEV_PART2 of=/dev/null bs=1k count=1 &>/dev/null && dd if=/dev/mapper/$LOOPDEV_PART3 of=/dev/null bs=1k count=1 &>/dev/null ; do
echo -n "."
LOOP_DEV_RETRIES=$(expr $LOOP_DEV_RETRIES + 1)
if [ $LOOP_DEV_RETRIES -eq 10 ]; then
echo
echo "ERROR: timeout waiting for loop devs from kaprtx"
exit
fi
sleep 1
done
echo
echo "copying the partitions from vEOS vmdk to new image..."
dd if=$VEOS_VMDK_BASENAME-p1.raw of=/dev/mapper/$LOOPDEV_PART2
dd if=$VEOS_VMDK_BASENAME-p2.raw of=/dev/mapper/$LOOPDEV_PART3
kpartx -d $TMP_NAME.raw
LOOP_DEV_DEL_RETRIES=0
echo "removing loop devs from kpartx"
until kpartx -vd $TMP_NAME.raw ; do
echo -n "."
LOOP_DEV_DEL_RETRIES=$(expr $LOOP_DEV_DEL_RETRIES + 1)
if [ $LOOP_DEV_DEL_RETRIES -eq 10 ]; then
echo
echo "ERROR: timeout waiting for loop dev removal from kaprtx"
exit
fi
sleep 1
done
echo
echo
echo "Convert new image to qcow2..."
......@@ -209,21 +288,68 @@ glance image-create --container-format bare --disk-format qcow2 --visibility pub
--property hw_vif_model=e1000 --property hw_cdrom_type=ide --property release="$GLANCE_IMAGE_RELEASE" --property subtype=IOSv --property config_disk_type=disk
# create default flavor
CHECKING_FOR_EXISTING_FLAVOR=$(nova flavor-show vEOS.small 2>&1)
CHECKING_FOR_EXISTING_FLAVOR=$(nova flavor-show $GLANCE_IMAGE_NAME.small 2>&1)
if [ $? == 1 ]; then
echo "Creating default flavor vEOS.small..."
echo "Creating default flavor $GLANCE_IMAGE_NAME.small..."
echo "==========================================================="
nova flavor-create --is-public true vEOS.small auto 1024 0 1
nova flavor-create --is-public true $GLANCE_IMAGE_NAME.small auto 1024 0 1
else
echo "Default flavor $GLANCE_IMAGE_NAME.small already exists..."
fi
CHECKING_FOR_EXISTING_FLAVOR=$(nova flavor-show vEOS.medium 2>&1)
CHECKING_FOR_EXISTING_FLAVOR=$(nova flavor-show $GLANCE_IMAGE_NAME.medium 2>&1)
if [ $? == 1 ]; then
echo "Creating default flavor vEOS.medium..."
echo "Creating default flavor $GLANCE_IMAGE_NAME.medium..."
echo "==========================================================="
nova flavor-create --is-public true vEOS.medium auto 2048 0 1
nova flavor-create --is-public true $GLANCE_IMAGE_NAME.medium auto 2048 0 1
else
echo "Default flavor $GLANCE_IMAGE_NAME.medium already exists..."
fi
# create deault subtype
cat << EOF > dynamic-subtype-$GLANCE_IMAGE_NAME.json.default
{
"dynamic-subtypes": [
{
"plugin_name": "$GLANCE_IMAGE_NAME",
"cli_serial": 1,
"plugin_desc": "Arista vEOS",
"baseline_image": "$GLANCE_IMAGE_NAME",
"hw_ram": 1024,
"hw_vm_extra": "",
"interface_wrap": 7,
"config_disk_type": "disk",
"interface_pattern": "Ethernet{0}",
"gui_visible": true,
"config_file": "/veos_config.txt",
"interface_first": 1,
"gui_icon": "iosvl2",
"plugin_base": "generic",
"vnc_available": false,
"interface_management": "Management1",
"interface_range": 7,
"baseline_flavor": "$GLANCE_IMAGE_NAME.medium"
}
]
}
EOF
CHECKING_FOR_EXISTING_SUBTYPE=$(virl_uwm_client subtype-info 2>&1 | grep $GLANCE_IMAGE_NAME)
if [ $? == 1 ]; then
echo "Creating default subtype $GLANCE_IMAGE_NAME..."
echo "==========================================================="
virl_uwm_client subtype-import --dynamic-subtypes @dynamic-subtype-$GLANCE_IMAGE_NAME.json.default
else
echo "Default subtype $GLANCE_IMAGE_NAME already exists..."
fi
rm dynamic-subtype-$GLANCE_IMAGE_NAME.json.default
echo
echo "Image creation successful."
echo "==========================================================="
echo
echo "You can import and use the subtype $GLANCE_IMAGE_NAME in VM Maestro..."
#testing:
#
......
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