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#!/bin/bash |
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# create-arista-veos-image.sh V1.1 |
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# HS-Fulda - sebastian.rieger@informatik.hs-fulda.de |
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# |
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# changelog: |
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# V1.1 added injection of config defined in VM Maestro using config-drivex |
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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 -s." |
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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 |
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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 |
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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 |
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echo "Injecting rc.eos startup script to get switch config..." |
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echo "===========================================================" |
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# inject rc.eos script in first partition of the image, to get switch config defined in VM Maestro (config-drive) |
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mkdir swi |
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mount -o loop $VEOS_VMDK_BASENAME-p1.raw swi |
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cd swi |
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cat << EOF > rc.eos |
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#!/bin/sh |
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# |
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# startup script to get node configs from VM Maestro |
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# |
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echo "Getting switch config from config drive..." |
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echo "==========================================" |
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mkdir /config-drive |
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mount /dev/sdb1 /config-drive |
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echo "Getting ip address for ma1 via dhcp..." |
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echo "==========================================" |
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dhclient -r ma1 |
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dhclient -1 -v ma1 >/mnt/flash/dhclient.log |
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IP=\$(ip addr show ma1 | grep inet | tr -s ' ' | cut -d ' ' -f 3 | sed s/"\/"/"\\\\\\\\\/"/g) |
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echo \$IP |
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sed s/"! ip of ma1 configured on launch"/"ip address \$IP"/g /config-drive/veos_config.txt >/mnt/flash/startup-config.tmp |
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cat /mnt/flash/startup-config.tmp |
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echo |
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echo "Copying switch config from config drive..." |
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echo "==========================================" |
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cp /mnt/flash/startup-config.tmp /mnt/flash/startup-config |
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EOF |
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chmod 755 rc.eos |
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cd .. |
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umount swi |
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rmdir swi |
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echo |
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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 |
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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 |
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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 |
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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=disk |
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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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@ -1,22 +0,0 @@ |
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{ |
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"dynamic-subtypes": [ |
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{ |
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"plugin_name": "vEOS", |
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"cli_serial": 1, |
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"plugin_desc": "Arista vEOS", |
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"cli_protocol": "ssh", |
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"hw_ram": 1024, |
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"hw_vm_extra": "", |
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"interface_wrap": 7, |
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"baseline_image": "vEOS", |
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"hw_disk_bus": "ide", |
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"interface_pattern": "Ethernet{0}", |
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"config_file": "/veos_config.txt", |
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"baseline_flavor": "vEOS.small", |
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"plugin_base": "IOSvL2", |
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"vnc_available": true, |
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"interface_management": "Management1", |
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"interface_range": 7 |
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} |
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] |
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} |
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@ -1,28 +0,0 @@ |
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! device: veos-1 (vEOS, EOS-4.14.2F) |
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! |
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! boot system flash:/vEOS.swi |
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! |
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transceiver qsfp default-mode 4x10G |
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! |
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hostname veos-1 |
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! |
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spanning-tree mode mstp |
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! |
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no aaa root |
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! |
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username admin role network-admin secret 5 |
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$1$93LlZesx$MSqS1D/8NGTSY724FGx1K0 |
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username cisco role network-admin secret 5 |
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$1$rQS0W9wP$ZUzVG2XoGCCZCJopFp1aV/ |
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! |
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interface Ethernet1 |
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! |
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interface Ethernet2 |
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! |
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interface Management1 |
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! ip of ma1 configured on launch |
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! |
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no ip routing |
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! |
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! |
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end |
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