batman
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drostangreen
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+205
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#!/bin/bash
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CUSTOM=false
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BUILT_IN_CLOUDINIT=true
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CIUSER="${CIUSER:-default}"
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CIPASSWORD="${CIPASSWORD:-password}"
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IPCONFIG="${IPCONFIG:-ip=dhcp}"
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SSHKEYS="${SSHKEYS:-}"
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QM_CLOUDINIT="${QM_CLOUDINIT:---ciuser default --cipassword password --ipconfig0 ip=dhcp}"
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AGENT="${AGENT:-1}"
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BALLOON="${BALLOON:-0}"
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MEMORY="${MEMORY:-1024}"
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CORES="${CORES:-1}"
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BIOS_TYPE="${BIOS_TYPE:-ovmf}"
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CPU_TYPE="${CPU_TYPE:-cputype=host}"
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EFI_OPTS="${EFI_OPTS:-1,efitype=4m,pre-enrolled-keys=0}"
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MACHINE_TYPE="${MACHINE_TYPE:-q35}"
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OS_TYPE="${OS_TYPE:-l26}"
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SCSI_TYPE="${SCSI_TYPE:-virtio-scsi-pci}"
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CPU_SOCKETS="${CPU_SOCKETS:-1}"
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BRIDGE="${BRIDGE:-vmbr0}"
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[ -f .env ] && source .env
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declare -A distros=()
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declare -A distro_array=(
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[debian12]="https://cloud.debian.org/images/cloud/bookworm/latest/debian-12-generic-amd64.qcow2"
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[debian13]="https://cloud.debian.org/images/cloud/trixie/latest/debian-13-generic-amd64.qcow2"
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[ubuntu2204]="https://cloud-images.ubuntu.com/minimal/releases/jammy/release/ubuntu-22.04-minimal-cloudimg-amd64.img"
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[ubuntu2404]="https://cloud-images.ubuntu.com/minimal/releases/noble/release/ubuntu-24.04-minimal-cloudimg-amd64.img"
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[ubuntu2604]="https://cloud-images.ubuntu.com/minimal/releases/resolute/release/ubuntu-26.04-minimal-cloudimg-amd64.img"
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[centos9]="https://cloud.centos.org/centos/9-stream/x86_64/images/CentOS-Stream-GenericCloud-9-20230123.0.x86_64.qcow2"
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[centos10]="https://cloud.centos.org/centos/10-stream/x86_64/images/CentOS-Stream-GenericCloud-10-20230123.0.x86_64.qcow2"
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[rocky9]="https://dl.rockylinux.org/pub/rocky/9/images/x86_64/Rocky-9-GenericCloud-Base.latest.x86_64.qcow2"
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[rocky10]="https://dl.rockylinux.org/pub/rocky/10/images/x86_64/Rocky-10-GenericCloud-Base.latest.x86_64.qcow2"
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[fedora44]="https://ftp2.osuosl.org/pub/fedora/linux/releases/44/Cloud/x86_64/images/Fedora-Cloud-Base-Generic-44-1.7.x86_64.qcow2"
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[opensuse156]="https://download.opensuse.org/repositories/Cloud:/Images:/Leap_15.6/images/openSUSE-Leap-15.6.x86_64-1.0.1-NoCloud.qcow2"
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)
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Help(){
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echo Use this script with the following flags
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echo "-v Select the VMID to use for template *REQUIRED"
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echo "-s Select the PVE storage i.e. local-lvm *REQUIRED"
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echo "-a Create all the templates listed below"
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echo "-d Create Debian 12 & 13 templates"
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echo "-u Create Ubuntu 22.04, 24.04 & 26.04 templates"
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echo "-c Create CentOS 9 & 10 templates"
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echo "-r Create Rocky 9 & 10 templates"
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echo "-f Create Fedora 44 template"
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echo "-o Create OpenSUSE 15.6 template"
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echo "-k \"Custom\" image not in the above list."
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echo " You will be prompted to provide the distro name"
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echo " and the url for the qcow2 file."
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}
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assertNotEmpty() {
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: "${!1:? "$1 is required, see help (-h) for more info."}"
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}
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download_image() {
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echo "Downloading $IMAGE now"; wget -qO $IMAGE $URL
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if $CUSTOM; then
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xz --test $IMAGE && mv $IMAGE $IMAGE.xz && unxz $IMAGE.xz
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fi
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}
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qcow2_modification() {
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echo "Install qemu-guest-agent on first boot"; virt-customize -a $IMAGE --firstboot-install qemu-guest-agent > /dev/null
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echo "Enable qemu-guest-agent service on first boot"; virt-customize -a $IMAGE --firstboot-command "systemctl enable --now qemu-guest-agent" > /dev/null
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echo "Removing /etc/machine-id"; virt-customize -a $IMAGE --run-command '>/etc/machine-id' > /dev/null
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}
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create_template() {
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# create VM, resize the disk, import disk and create Cloud Init drive. Then set default settings for vm
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echo "Creating $VMID with name \"$DISTRO-template\""; qm create $VMID --agent $AGENT --balloon $BALLOON --memory $MEMORY --cores $CORES --bios $BIOS_TYPE --cpu $CPU_TYPE --efidisk0 $STORAGE:$EFI_OPTS --ide2 $STORAGE:cloudinit --machine $MACHINE_TYPE --ostype $OS_TYPE --scsihw $SCSI_TYPE --sockets $CPU_SOCKETS --name $DISTRO-template --net0 virtio,bridge=$BRIDGE > /dev/null
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echo "Resizing disk"; qemu-img resize $IMAGE 10G > /dev/null
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echo "Importing disk"; qm importdisk $VMID $IMAGE $STORAGE > /dev/null
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echo "Setting Virtual Drive to scsi0"; qm set $VMID --scsihw virtio-scsi-pci --scsi0 $STORAGE:vm-$VMID-disk-1,discard=on > /dev/null
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echo "Set bootdisk to scsi0"; qm set $VMID --boot c --bootdisk scsi0 > /dev/null
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# Define Cloud-Init parameters based on env file or the user interaction
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echo "Set Cloud Init params"; qm set $VMID $QM_CLOUDINIT > /dev/null
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echo Converting $VMID to Template; qm template $VMID > /dev/null
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echo Deleting $IMAGE file; rm $IMAGE
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echo "Your new ${DISTRO^} template is ready!"
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}
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get_cloudinit_params() {
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if [ ! -f .env ]; then
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read -p "Enter username to be created: " CIUSER
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read -sp "Enter password for user (optional): " CIPASSWORD
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read -p "Do you want Static IP for template? (y/N) "
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if [[ $REPLY =~ ^[Yy]$ ]]; then
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echo "Enter IP info"
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read -p " Format is \"gw=<GatewayIP>,ip=<IPv4Format/CIDR>\": " IPCONFIG
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else
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IPCONFIG="ip=dhcp"
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fi
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read -p "File path to ssh key for user (optional): " SSHKEYS
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fi
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}
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get_custom_info() {
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read -p "Enter the distro name (no spaces): " DISTRO
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echo "Enter the url for the download of the vm image"
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read -p "(example: https://cloud.debian.org/images/cloud/bookworm/latest/debian-12-generic-amd64.qcow2) " URL
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assertNotEmpty DISTRO
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assertNotEmpty URL
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}
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while getopts hrocafdukv:s: opt
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do
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case $opt in
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h)
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Help
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exit 0
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;;
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a)
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for key in "${!distro_array[@]}"; do
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distros["$key"]="${distro_array[$key]}"
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done
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;;
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v)
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VMID=$OPTARG
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;;
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d)
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distros[debian12]="${distro_array[debian12]}"
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distros[debian13]="${distro_array[debian13]}"
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;;
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u)
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distros[ubuntu2204]="${distro_array[ubuntu2204]}"
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distros[ubuntu2404]="${distro_array[ubuntu2404]}"
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distros[ubuntu2604]="${distro_array[ubuntu2604]}"
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;;
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f)
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distros[fedora44]="${distro_array[fedora44]}"
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;;
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s)
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STORAGE=$OPTARG
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;;
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k)
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CUSTOM=true
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;;
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r)
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distros[rocky9]="${distro_array[rocky9]}"
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distros[rocky10]="${distro_array[rocky10]}"
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;;
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o)
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distros[opensuse156]="${distro_array[opensuse156]}"
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;;
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c)
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distros[centos9]="${distro_array[centos9]}"
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distros[centos10]="${distro_array[centos10]}"
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;;
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\?)
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echo "Invalid Flag"
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exit 1
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;;
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esac
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done
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############## Start of Script ###########################
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# check that required items are present
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assertNotEmpty VMID
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assertNotEmpty STORAGE
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if $BUILT_IN_CLOUDINIT; then
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echo "Checking for required package"; which virt-customize || apt update && apt install -y libguestfs-tools > /dev/null
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fi
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if $CUSTOM; then
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get_custom_info
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fi
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get_cloudinit_params
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for DISTRO in ${!distros[@]}; do
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IMAGE=$DISTRO.qcow2
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URL=${distros[$DISTRO]}
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download_image
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$BUILT_IN_CLOUDINIT && qcow2_modification
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create_template
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((VMID=VMID+1))
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done
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