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April 14, 2024 16:11
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Ubuntu cloudinit image generator proxmox
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| #!/bin/bash | |
| ############################################################################## | |
| # things to double-check: | |
| # 1. user directory | |
| # 2. your SSH key location | |
| # 3. which bridge you assign with the create line (currently set to vmbr100) | |
| # 4. which storage is being utilized (script uses local-lvm) | |
| ############################################################################## | |
| DISK_IMAGE="jammy-server-cloudimg-amd64.img" | |
| IMAGE_URL="https://cloud-images.ubuntu.com/jammy/current/$DISK_IMAGE" | |
| # Function to check if a file was modified in the last 24 hours or doesn't exist | |
| should_download_image() { | |
| local file="$1" | |
| # If file doesn't exist, return true (i.e., should download) | |
| [[ ! -f "$file" ]] && return 0 | |
| local current_time=$(date +%s) | |
| local file_mod_time=$(stat --format="%Y" "$file") | |
| local difference=$(( current_time - file_mod_time )) | |
| # If older than 24 hours, return true | |
| (( difference >= 86400 )) | |
| } | |
| # Download the disk image if it doesn't exist or if it was modified more than 24 hours ago | |
| if should_download_image "$DISK_IMAGE"; then | |
| rm -f "$DISK_IMAGE" | |
| wget -q "$IMAGE_URL" | |
| fi | |
| if qm list | grep -qw "9022"; then | |
| qm destroy 9022 | |
| fi | |
| qm create 9022 --name "ubuntu-2204-cloudinit" --memory 2048 --cores 2 --net0 virtio,bridge=vmbr100 | |
| qm importdisk 9022 "$DISK_IMAGE" local-lvm | |
| qm set 9022 --scsihw virtio-scsi-pci --scsi0 local-lvm:vm-9022-disk-0 | |
| qm set 9022 --boot c --bootdisk scsi0 | |
| qm set 9022 --ide2 local-lvm:cloudinit | |
| qm set 9022 --serial0 socket --vga serial0 | |
| qm set 9022 --agent enabled=1 | |
| qm set 9022 --sshkey /root/id_rsa.pub | |
| qm set 9022 --ipconfig0 ip=dhcp | |
| qm set 9022 --ciuser sid | |
| qm disk resize 9022 scsi0 3G | |
| qm template 9022 | |
| echo "Next up, clone VM, then expand the disk" | |
| echo "You also still need to copy ssh keys to the newly cloned VM" |
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