97 lines
3.0 KiB
Bash
97 lines
3.0 KiB
Bash
#!/usr/bin/env bash
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set -euo pipefail
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### ====== SETTINGS (edit if needed) ======
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VMID="${VMID:-9024}"
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NAME="${NAME:-ubuntu-24-04-cloud}"
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STORAGE="${STORAGE:-local-lvm}" # e.g. local-lvm or local
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BRIDGE="${BRIDGE:-vmbr0}"
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CORES="${CORES:-2}"
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MEMORY="${MEMORY:-2048}" # MB
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DISK_SIZE="${DISK_SIZE:-40G}" # final disk size
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CIUSER="${CIUSER:-ubuntu}"
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# Ubuntu 24.04 (Noble) cloud image
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IMG_DIR="${IMG_DIR:-/var/lib/vz/template/iso}"
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IMG_URL="${IMG_URL:-https://cloud-images.ubuntu.com/noble/current/noble-server-cloudimg-amd64.img}"
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IMG_FILE="${IMG_FILE:-noble-server-cloudimg-amd64.img}"
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# SSH public key source (prefer authorized_keys on Proxmox host)
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SSHKEY_SRC="${SSHKEY_SRC:-/root/.ssh/authorized_keys}"
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TMP_PUBKEY="/tmp/${NAME}-${VMID}-sshkey.pub"
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### =======================================
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need_cmd() { command -v "$1" >/dev/null 2>&1 || { echo "ERROR: missing command: $1"; exit 1; }; }
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need_cmd qm
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need_cmd wget
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need_cmd awk
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echo "==> Checking SSH key source: $SSHKEY_SRC"
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if [[ ! -f "$SSHKEY_SRC" ]]; then
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echo "ERROR: $SSHKEY_SRC not found."
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echo "Fix: put your public key into /root/.ssh/authorized_keys or set SSHKEY_SRC=/path/to/key.pub"
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exit 1
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fi
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# Take first valid ssh key line (ssh-rsa / ssh-ed25519 / ecdsa)
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awk '/^(ssh-rsa|ssh-ed25519|ecdsa-sha2-nistp256) /{print; exit}' "$SSHKEY_SRC" > "$TMP_PUBKEY" || true
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if [[ ! -s "$TMP_PUBKEY" ]]; then
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echo "ERROR: No SSH public key found in $SSHKEY_SRC"
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exit 1
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fi
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echo "==> Downloading Ubuntu 24.04 cloud image (if missing)"
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mkdir -p "$IMG_DIR"
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if [[ ! -f "$IMG_DIR/$IMG_FILE" ]]; then
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wget -O "$IMG_DIR/$IMG_FILE" "$IMG_URL"
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else
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echo " Image already exists: $IMG_DIR/$IMG_FILE"
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fi
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echo "==> Creating VM $VMID ($NAME)"
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# If VM exists, abort to avoid overwriting
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if qm status "$VMID" >/dev/null 2>&1; then
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echo "ERROR: VMID $VMID already exists. Choose another VMID (export VMID=xxxx)."
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exit 1
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fi
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qm create "$VMID" \
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--name "$NAME" \
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--memory "$MEMORY" \
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--cores "$CORES" \
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--net0 "virtio,bridge=${BRIDGE}"
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echo "==> Importing disk into storage: $STORAGE"
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qm importdisk "$VMID" "$IMG_DIR/$IMG_FILE" "$STORAGE"
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echo "==> Attaching disk + enabling cloud-init"
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qm set "$VMID" --scsihw virtio-scsi-pci
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# Most storages name the imported disk as vm-<VMID>-disk-0
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qm set "$VMID" --scsi0 "${STORAGE}:vm-${VMID}-disk-0"
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# Cloud-init drive
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qm set "$VMID" --ide2 "${STORAGE}:cloudinit"
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echo "==> Boot + console + QEMU agent"
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qm set "$VMID" --boot order=scsi0
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qm set "$VMID" --serial0 socket --vga serial0
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qm set "$VMID" --agent enabled=1
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echo "==> Cloud-init parameters (user/ssh/network)"
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qm set "$VMID" --ciuser "$CIUSER"
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qm set "$VMID" --sshkeys "$TMP_PUBKEY"
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qm set "$VMID" --ipconfig0 ip=dhcp
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echo "==> Resizing disk to $DISK_SIZE"
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qm resize "$VMID" scsi0 "$DISK_SIZE"
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echo "==> Converting VM to template"
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qm template "$VMID"
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echo "✅ DONE: Ubuntu 24.04 template created"
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echo " VMID: $VMID"
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echo " Name: $NAME"
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echo " Storage: $STORAGE"
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echo " Next: qm clone $VMID <NEWID> --name ubuntu24-vps --full" |