mirror of
https://github.com/RGBCube/vmware-to-proxmox-migration-script
synced 2025-05-14 05:24:58 +00:00
222 lines
7 KiB
Bash
Executable file
222 lines
7 KiB
Bash
Executable file
#!/bin/bash
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### PREREQUISITES ###
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# - Install ovftool on the Proxmox host - https://developer.vmware.com/web/tool/ovf/
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# - Hardcode the variables for your ESXi IP, user, etc.
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# Checks for the availability of the passed in commands,
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# exits with a message if at least one is not available.
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function require() {
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local missing=()
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for command in "$@"; do
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if ! type "$command" &> /dev/null; then
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missing+=("$command")
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fi
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done
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if [[ "${#missing[@]}" -gt 0 ]]; then
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echo "Error: The following commands that are required to run this script are not in PATH:"
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for command in "${missing[@]}"; do
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echo "- $command"
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done
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echo "Please install them and try again."
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exit 1
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fi
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}
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require jq ovftool qm ssh sshpass tar virt-customize
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# Gets user input, returns the default value if no input was provided.
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# Doesn't prompt if the variable is already set.
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# Accepts a validation regex too.
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#
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# Usage:
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#
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# input BROADCOM_HATE_LEVEL "The amount you hate broadcom" "infinite" "^(none|somewhat|a lot|infinite)$"
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function input() {
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local prompt="$2"
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local default="$3"
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local validation_regex="$4"
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if [[ -z "${!1}" ]]; then
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read -p "($1) $prompt [${default:-required}]: " "$1"
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fi
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if [[ -z "${!1}" ]] && [[ -z "$default" ]]; then
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echo "Error: Configuration variable '$1' is required."
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input "$@"
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fi
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if [[ -n "$validation_regex" ]] && [[ ! "${!1}" =~ $validation_regex ]]; then
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echo "Error: Invalid value for '$1'. Must match validation regex '$validation_regex'."
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unset "$1"
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input "$@"
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fi
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}
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input ESXI_SERVER "ESXi server hostname/IP"
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input ESXI_USERNAME "ESXi server username"
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input ESXI_PASSWORD "ESXi server password"
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input VM_NAME "Name of the VM to migrate"
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input VM_IS_WINDOWS "Whether if the VM is Windows" "n" "^y|n$"
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input VLAN_TAG "VLAN tag" "80"
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while [[ true ]]; do
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input VM_ID "VM ID you would like to use in Proxmox (must be bigger than 99)" "" "^[0-9]{3,}$"
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# Check if a VM with the given ID already exists before proceeding
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if qm status "$VM_ID" &> /dev/null; then
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echo "Error: VM with ID '$VM_ID' already exists. Please enter a different ID."
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unset VM_ID
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else
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break
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fi
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done
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input STORAGE_TYPE "Storage type (local-lvm or local-zfs)" "local-lvm" "^local-lvm|local-zfs\$"
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function export-vmware-vm() {
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#local ova_file="/var/vm-migration/$VM_NAME.ova"
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local ova_file="/mnt/vm-migration/$VM_NAME.ova"
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if [ -f "$ova_file" ]; then
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local choice
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input choice "File '$ova_file' already exists. Overwrite? (y/n)" "y" "^y|n$"
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if [[ "$choice" == "n" ]]; then
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echo "Export cancelled."
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exit 1
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fi
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rm "$ova_file"
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fi
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echo "Exporting VM from VMware directly to Proxmox..."
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echo $ESXI_PASSWORD | ovftool \
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--sourceType=VI \
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--acceptAllEulas \
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--noSSLVerify \
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--skipManifestCheck \
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--diskMode=thin \
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"--name=$VM_NAME" \
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"vi://$ESXI_USERNAME@$ESXI_SERVER/$VM_NAME" \
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"$ova_file"
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}
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function get-firmware-type() {
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local vmx_path="/vmfs/volumes/datastore/${VM_NAME}/${VM_NAME}.vmx"
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local type=$(sshpass -p "${ESXI_PASSWORD}" ssh -o StrictHostKeyChecking=no ${ESXI_USERNAME}@${ESXI_SERVER} "grep 'firmware =' ${vmx_path}")
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if [[ "$type" =~ "efi" ]]; then
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echo "uefi"
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else
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echo "seabios"
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fi
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}
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function create-proxmox-vm() {
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echo "Extracting OVF from OVA..."
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tar -xvf "/mnt/vm-migration/$VM_NAME.ova" -C /mnt/vm-migration/
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echo "Searching for .vmdk file..."
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local ovf_file=$(find /mnt/vm-migration -name '*.ovf')
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echo "Found OVF file: '$ovf_file'"
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echo "Searching for .vmdk file..."
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local vmdk_file=$(find /mnt/vm-migration -name "$VM_NAME-disk*.vmdk")
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echo "Found .vmdk file: '$vmdk_file'"
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# Ensure that only one .vmdk file is found
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if [[ $(echo "$vmdk_file" | wc -l) != 1 ]]; then
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echo "Error: Multiple or no .vmdk files found."
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exit 1
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fi
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local raw_file="$VM_NAME.raw"
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local raw_path="/mnt/vm-migration/$raw_file"
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echo "Converting .vmdk file to raw format..."
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qemu-img convert -f vmdk -O raw "$vmdk_file" "$raw_path"
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echo "Converted .vmdk file to raw format!"
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# Install qemu-guest-agent using virt-customize
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if [[ "$VM_IS_WINDOWS" == "n" ]]; then
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echo "Installing qemu-guest-agent using virt-customize..."
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virt-customize -a "$raw_path" --install qemu-guest-agent || {
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echo "Failed to install qemu-guest-agent."
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exit 1
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}
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echo "Installed qemu-guest-agent used virt-customize!"
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fi
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FIRMWARE_TYPE=$(get-firmware-type)
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# Create the VM and set various options such as BIOS type.
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echo "Creating VM in Proxmox with $FIRMWARE_TYPE firmware, VLAN tag, and SCSI hardware..."
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qm create $VM_ID --name "$VM_NAME" --memory 2048 --cores 2 --net0 "virtio,bridge=vmbr0,tag=$VLAN_TAG" --bios "$FIRMWARE_TYPE" --scsihw virtio-scsi-pci
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echo "Created VM in Proxmox with $FIRMWARE_TYPE firmware, VLAN tag, and SCSI hardware!"
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echo "Enabling QEMU Guest Agent..."
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qm set $VM_ID --agent 1
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echo "Enabled QEMU Guest Agent!"
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echo "Importing disk to $STORAGE_TYPE storage..."
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qm importdisk "$VM_ID" "$raw_path" "$STORAGE_TYPE"
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echo "Imported disk to $STORAGE_TYPE storage!"
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local disk_name="vm-$VM_ID-disk-0"
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echo "Attaching disk to VM and setting it as the first boot device..."
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qm set "$VM_ID" --scsi0 "$STORAGE_TYPE:$disk_name" --boot c --bootdisk scsi0
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echo "Attached disk to VM and setted it as the first boot device!"
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echo "Enabling discard functionality..."
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qm set "$VM_ID" --scsi0 "$STORAGE_TYPE:$disk_name,discard=on"
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echo "Enabled discard functionality!"
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}
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function clean-migration-directory() {
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echo "Cleaning up /mnt/vm-migration directory..."
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rm -rf /mnt/vm-migration/*
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echo "Cleaned up /mnt/vm-migration directory!"
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}
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# Add an EFI disk to the VM after all other operations have concluded
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function add-efi-disk-to-vm() {
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echo "Adding EFI disk to the VM..."
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local vg_name="pve" # The actual LVM volume group name
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local efi_disk_size="4M"
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local efi_disk="vm-$VM_ID-disk-1"
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# Create the EFI disk as a logical volume
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echo "Creating EFI disk as a logical volume..."
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lvcreate -L "$efi_disk_size" -n "$efi_disk" "$vg_name" || {
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echo "Failed to create EFI disk logical volume."
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exit 1
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}
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echo "Created EFI disk as a logical volume!"
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# Attach the EFI disk to the VM
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echo "Attaching EFI disk to VM..."
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qm set "$VM_ID" --efidisk0 "$STORAGE_TYPE:$efi_disk,size=$efi_disk_size,efitype=4m,pre-enrolled-keys=1" || {
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echo "Failed to add EFI disk to VM."
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exit 1
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}
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echo "Attached EFI disk to VM!"
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echo "Added EFI disk to the VM!"
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}
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# === Main Process ===
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export-vmware-vm
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create-proxmox-vm
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clean-migration-directory
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if [ "$FIRMWARE_TYPE" == "uefi" ]; then # FIRMWARE_TYPE was set in create-proxmox-vm
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add-efi-disk-to-vm
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else
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echo "Skipping EFI disk creation for non-UEFI firmware type."
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fi
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