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2026-02-22 03:21:42 +00:00
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#!/usr/bin/env bash
set -euo pipefail
### ====== SETTINGS (edit if needed) ======
VMID="${VMID:-9039}"
NAME="${NAME:-almalinux-9-cloud}"
STORAGE="${STORAGE:-local-lvm}" # e.g. local-lvm or local
BRIDGE="${BRIDGE:-vmbr0}"
CORES="${CORES:-2}"
MEMORY="${MEMORY:-2048}" # MB
DISK_SIZE="${DISK_SIZE:-40G}" # final disk size
CIUSER="${CIUSER:-almalinux}"
# AlmaLinux 9 GenericCloud image (QCOW2)
IMG_DIR="${IMG_DIR:-/var/lib/vz/template/iso}"
IMG_URL="${IMG_URL:-https://repo.almalinux.org/almalinux/9/cloud/x86_64/images/AlmaLinux-9-GenericCloud-latest.x86_64.qcow2}"
IMG_FILE="${IMG_FILE:-AlmaLinux-9-GenericCloud-latest.x86_64.qcow2}"
# SSH public key source (prefer authorized_keys on Proxmox host)
SSHKEY_SRC="${SSHKEY_SRC:-/root/.ssh/authorized_keys}"
TMP_PUBKEY="/tmp/${NAME}-${VMID}-sshkey.pub"
### =======================================
need_cmd() { command -v "$1" >/dev/null 2>&1 || { echo "ERROR: missing command: $1"; exit 1; }; }
need_cmd qm
need_cmd wget
need_cmd awk
echo "==> Checking SSH key source: $SSHKEY_SRC"
if [[ ! -f "$SSHKEY_SRC" ]]; then
echo "ERROR: $SSHKEY_SRC not found."
echo "Fix: put your public key into /root/.ssh/authorized_keys or set SSHKEY_SRC=/path/to/key.pub"
exit 1
fi
# Take first valid ssh key line (ssh-rsa / ssh-ed25519 / ecdsa)
awk '/^(ssh-rsa|ssh-ed25519|ecdsa-sha2-nistp256) /{print; exit}' "$SSHKEY_SRC" > "$TMP_PUBKEY" || true
if [[ ! -s "$TMP_PUBKEY" ]]; then
echo "ERROR: No SSH public key found in $SSHKEY_SRC"
exit 1
fi
echo "==> Downloading AlmaLinux 9 cloud image (if missing)"
mkdir -p "$IMG_DIR"
if [[ ! -f "$IMG_DIR/$IMG_FILE" ]]; then
wget -O "$IMG_DIR/$IMG_FILE" "$IMG_URL"
else
echo " Image already exists: $IMG_DIR/$IMG_FILE"
fi
echo "==> Creating VM $VMID ($NAME)"
# If VM exists, abort to avoid overwriting
if qm status "$VMID" >/dev/null 2>&1; then
echo "ERROR: VMID $VMID already exists. Choose another VMID (export VMID=xxxx)."
exit 1
fi
qm create "$VMID" \
--name "$NAME" \
--memory "$MEMORY" \
--cores "$CORES" \
--net0 "virtio,bridge=${BRIDGE}"
echo "==> Importing disk into storage: $STORAGE"
qm importdisk "$VMID" "$IMG_DIR/$IMG_FILE" "$STORAGE"
echo "==> Attaching disk + enabling cloud-init"
qm set "$VMID" --scsihw virtio-scsi-pci
# Most storages name the imported disk as vm-<VMID>-disk-0
qm set "$VMID" --scsi0 "${STORAGE}:vm-${VMID}-disk-0"
# Cloud-init drive
qm set "$VMID" --ide2 "${STORAGE}:cloudinit"
echo "==> Boot + console + QEMU agent"
qm set "$VMID" --boot order=scsi0
qm set "$VMID" --serial0 socket --vga serial0
qm set "$VMID" --agent enabled=1
echo "==> Cloud-init parameters (user/ssh/network)"
qm set "$VMID" --ciuser "$CIUSER"
qm set "$VMID" --sshkeys "$TMP_PUBKEY"
qm set "$VMID" --ipconfig0 ip=dhcp
echo "==> Resizing disk to $DISK_SIZE"
qm resize "$VMID" scsi0 "$DISK_SIZE"
echo "==> Converting VM to template"
qm template "$VMID"
echo "✅ DONE: AlmaLinux 9 template created"
echo " VMID: $VMID"
echo " Name: $NAME"
echo " Storage: $STORAGE"
echo " Next: qm clone $VMID <NEWID> --name alma9-vps --full"