506 lines
19 KiB
Bash
506 lines
19 KiB
Bash
#!/usr/bin/env bash
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# Copyright (c) 2021-2025 community-scripts ORG
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# Author: community-scripts ORG
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# License: MIT | https://github.com/community-scripts/ProxmoxVED/raw/branch/main/LICENSE
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# Revision: 1
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# ==============================================================================
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# CLOUD-INIT.FUNC - VM CLOUD-INIT CONFIGURATION LIBRARY
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# ==============================================================================
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#
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# Universal helper library for Cloud-Init configuration in Proxmox VMs.
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# Provides functions for:
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#
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# - Native Proxmox Cloud-Init setup (user, password, network, SSH keys)
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# - Interactive configuration dialogs (whiptail)
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# - IP address retrieval via qemu-guest-agent
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# - Cloud-Init status monitoring and waiting
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#
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# Usage:
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# source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVED/main/misc/cloud-init.func)
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# setup_cloud_init "$VMID" "$STORAGE" "$HN" "yes"
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#
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# Compatible with: Debian, Ubuntu, and all Cloud-Init enabled distributions
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# ==============================================================================
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# ==============================================================================
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# SECTION 1: CONFIGURATION DEFAULTS
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# ==============================================================================
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# These can be overridden before sourcing this library
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CLOUDINIT_DEFAULT_USER="${CLOUDINIT_DEFAULT_USER:-root}"
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CLOUDINIT_DNS_SERVERS="${CLOUDINIT_DNS_SERVERS:-1.1.1.1 8.8.8.8}"
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CLOUDINIT_SEARCH_DOMAIN="${CLOUDINIT_SEARCH_DOMAIN:-local}"
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CLOUDINIT_SSH_KEYS="${CLOUDINIT_SSH_KEYS:-/root/.ssh/authorized_keys}"
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# ==============================================================================
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# SECTION 2: HELPER FUNCTIONS
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# ==============================================================================
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# ------------------------------------------------------------------------------
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# _ci_msg - Internal message helper with fallback
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# ------------------------------------------------------------------------------
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function _ci_msg_info() { msg_info "$1" 2>/dev/null || echo "[INFO] $1"; }
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function _ci_msg_ok() { msg_ok "$1" 2>/dev/null || echo "[OK] $1"; }
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function _ci_msg_warn() { msg_warn "$1" 2>/dev/null || echo "[WARN] $1"; }
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function _ci_msg_error() { msg_error "$1" 2>/dev/null || echo "[ERROR] $1"; }
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# ------------------------------------------------------------------------------
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# validate_ip_cidr - Validate IP address in CIDR format
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# Usage: validate_ip_cidr "192.168.1.100/24" && echo "Valid"
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# Returns: 0 if valid, 1 if invalid
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# ------------------------------------------------------------------------------
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function validate_ip_cidr() {
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local ip_cidr="$1"
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# Match: 0-255.0-255.0-255.0-255/0-32
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if [[ "$ip_cidr" =~ ^([0-9]{1,3}\.){3}[0-9]{1,3}/([0-9]|[1-2][0-9]|3[0-2])$ ]]; then
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# Validate each octet is 0-255
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local ip="${ip_cidr%/*}"
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IFS='.' read -ra octets <<<"$ip"
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for octet in "${octets[@]}"; do
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((octet > 255)) && return 1
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done
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return 0
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fi
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return 1
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}
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# ------------------------------------------------------------------------------
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# validate_ip - Validate plain IP address (no CIDR)
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# Usage: validate_ip "192.168.1.1" && echo "Valid"
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# ------------------------------------------------------------------------------
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function validate_ip() {
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local ip="$1"
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if [[ "$ip" =~ ^([0-9]{1,3}\.){3}[0-9]{1,3}$ ]]; then
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IFS='.' read -ra octets <<<"$ip"
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for octet in "${octets[@]}"; do
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((octet > 255)) && return 1
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done
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return 0
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fi
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return 1
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}
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# ==============================================================================
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# SECTION 3: MAIN CLOUD-INIT FUNCTIONS
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# ==============================================================================
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# ------------------------------------------------------------------------------
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# setup_cloud_init - Configures Proxmox Native Cloud-Init
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# ------------------------------------------------------------------------------
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# Parameters:
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# $1 - VMID (required)
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# $2 - Storage name (required)
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# $3 - Hostname (optional, default: vm-<vmid>)
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# $4 - Enable Cloud-Init (yes/no, default: no)
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# $5 - User (optional, default: root)
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# $6 - Network mode (dhcp/static, default: dhcp)
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# $7 - Static IP (optional, format: 192.168.1.100/24)
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# $8 - Gateway (optional)
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# $9 - Nameservers (optional, default: 1.1.1.1 8.8.8.8)
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#
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# Returns: 0 on success, 1 on failure
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# Exports: CLOUDINIT_USER, CLOUDINIT_PASSWORD, CLOUDINIT_CRED_FILE
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# ==============================================================================
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function setup_cloud_init() {
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local vmid="$1"
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local storage="$2"
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local hostname="${3:-vm-${vmid}}"
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local enable="${4:-no}"
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local ciuser="${5:-$CLOUDINIT_DEFAULT_USER}"
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local network_mode="${6:-dhcp}"
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local static_ip="${7:-}"
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local gateway="${8:-}"
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local nameservers="${9:-$CLOUDINIT_DNS_SERVERS}"
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# Skip if not enabled
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if [ "$enable" != "yes" ]; then
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return 0
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fi
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# Validate static IP if provided
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if [ "$network_mode" = "static" ]; then
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if [ -n "$static_ip" ] && ! validate_ip_cidr "$static_ip"; then
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_ci_msg_error "Invalid static IP format: $static_ip (expected: x.x.x.x/xx)"
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return 1
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fi
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if [ -n "$gateway" ] && ! validate_ip "$gateway"; then
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_ci_msg_error "Invalid gateway IP format: $gateway"
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return 1
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fi
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fi
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_ci_msg_info "Configuring Cloud-Init"
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# Create Cloud-Init drive (try ide2 first, then scsi1 as fallback)
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if ! qm set "$vmid" --ide2 "${storage}:cloudinit" >/dev/null 2>&1; then
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qm set "$vmid" --scsi1 "${storage}:cloudinit" >/dev/null 2>&1
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fi
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# Set user
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qm set "$vmid" --ciuser "$ciuser" >/dev/null
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# Generate and set secure random password
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local cipassword=$(openssl rand -base64 16)
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qm set "$vmid" --cipassword "$cipassword" >/dev/null
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# Add SSH keys if available
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if [ -f "$CLOUDINIT_SSH_KEYS" ]; then
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qm set "$vmid" --sshkeys "$CLOUDINIT_SSH_KEYS" >/dev/null 2>&1 || true
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fi
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# Configure network
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if [ "$network_mode" = "static" ] && [ -n "$static_ip" ] && [ -n "$gateway" ]; then
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qm set "$vmid" --ipconfig0 "ip=${static_ip},gw=${gateway}" >/dev/null
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else
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qm set "$vmid" --ipconfig0 "ip=dhcp" >/dev/null
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fi
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# Set DNS servers
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qm set "$vmid" --nameserver "$nameservers" >/dev/null
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# Set search domain
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qm set "$vmid" --searchdomain "$CLOUDINIT_SEARCH_DOMAIN" >/dev/null
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# Enable package upgrades on first boot (if supported by Proxmox version)
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qm set "$vmid" --ciupgrade 1 >/dev/null 2>&1 || true
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# Save credentials to file (with restrictive permissions)
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local cred_file="/tmp/${hostname}-${vmid}-cloud-init-credentials.txt"
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umask 077
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cat >"$cred_file" <<EOF
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╔══════════════════════════════════════════════════════════════════╗
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║ ⚠️ SECURITY WARNING: DELETE THIS FILE AFTER NOTING CREDENTIALS ║
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╚══════════════════════════════════════════════════════════════════╝
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Cloud-Init Credentials
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────────────────────────────────────────
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VM ID: ${vmid}
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Hostname: ${hostname}
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Created: $(date)
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Username: ${ciuser}
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Password: ${cipassword}
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Network: ${network_mode}$([ "$network_mode" = "static" ] && echo " (IP: ${static_ip}, GW: ${gateway})" || echo " (DHCP)")
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DNS: ${nameservers}
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────────────────────────────────────────
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SSH Access (if keys configured):
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ssh ${ciuser}@<vm-ip>
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Proxmox UI Configuration:
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VM ${vmid} > Cloud-Init > Edit
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- User, Password, SSH Keys
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- Network (IP Config)
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- DNS, Search Domain
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────────────────────────────────────────
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🗑️ To delete this file:
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rm -f ${cred_file}
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────────────────────────────────────────
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EOF
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chmod 600 "$cred_file"
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_ci_msg_ok "Cloud-Init configured (User: ${ciuser})"
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# Export for use in calling script (DO NOT display password here - will be shown in summary)
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export CLOUDINIT_USER="$ciuser"
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export CLOUDINIT_PASSWORD="$cipassword"
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export CLOUDINIT_CRED_FILE="$cred_file"
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return 0
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}
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# ==============================================================================
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# SECTION 4: INTERACTIVE CONFIGURATION
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# ==============================================================================
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# ------------------------------------------------------------------------------
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# configure_cloud_init_interactive - Whiptail dialog for Cloud-Init setup
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# ------------------------------------------------------------------------------
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# Prompts user for Cloud-Init configuration choices
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# Returns configuration via exported variables:
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# - CLOUDINIT_ENABLE (yes/no)
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# - CLOUDINIT_USER
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# - CLOUDINIT_NETWORK_MODE (dhcp/static)
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# - CLOUDINIT_IP (if static)
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# - CLOUDINIT_GW (if static)
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# - CLOUDINIT_DNS
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# ------------------------------------------------------------------------------
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function configure_cloud_init_interactive() {
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local default_user="${1:-root}"
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# Check if whiptail is available
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if ! command -v whiptail >/dev/null 2>&1; then
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echo "Warning: whiptail not available, skipping interactive configuration"
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export CLOUDINIT_ENABLE="no"
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return 1
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fi
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# Ask if user wants to enable Cloud-Init
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if ! (whiptail --backtitle "Proxmox VE Helper Scripts" --title "CLOUD-INIT" \
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--yesno "Enable Cloud-Init for VM configuration?\n\nCloud-Init allows automatic configuration of:\n• User accounts and passwords\n• SSH keys\n• Network settings (DHCP/Static)\n• DNS configuration\n\nYou can also configure these settings later in Proxmox UI." 16 68); then
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export CLOUDINIT_ENABLE="no"
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return 0
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fi
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export CLOUDINIT_ENABLE="yes"
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# Username
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if CLOUDINIT_USER=$(whiptail --backtitle "Proxmox VE Helper Scripts" --inputbox \
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"Cloud-Init Username" 8 58 "$default_user" --title "USERNAME" 3>&1 1>&2 2>&3); then
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export CLOUDINIT_USER="${CLOUDINIT_USER:-$default_user}"
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else
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export CLOUDINIT_USER="$default_user"
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fi
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# Network configuration
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if (whiptail --backtitle "Proxmox VE Helper Scripts" --title "NETWORK MODE" \
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--yesno "Use DHCP for network configuration?\n\nSelect 'No' for static IP configuration." 10 58); then
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export CLOUDINIT_NETWORK_MODE="dhcp"
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else
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export CLOUDINIT_NETWORK_MODE="static"
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# Static IP with validation
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while true; do
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if CLOUDINIT_IP=$(whiptail --backtitle "Proxmox VE Helper Scripts" --inputbox \
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"Static IP Address (CIDR format)\nExample: 192.168.1.100/24" 9 58 "" --title "IP ADDRESS" 3>&1 1>&2 2>&3); then
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if validate_ip_cidr "$CLOUDINIT_IP"; then
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export CLOUDINIT_IP
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break
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else
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whiptail --backtitle "Proxmox VE Helper Scripts" --title "INVALID IP" \
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--msgbox "Invalid IP format: $CLOUDINIT_IP\n\nPlease use CIDR format: x.x.x.x/xx\nExample: 192.168.1.100/24" 10 50
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fi
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else
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_ci_msg_warn "Static IP required, falling back to DHCP"
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export CLOUDINIT_NETWORK_MODE="dhcp"
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break
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fi
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done
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# Gateway with validation
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if [ "$CLOUDINIT_NETWORK_MODE" = "static" ]; then
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while true; do
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if CLOUDINIT_GW=$(whiptail --backtitle "Proxmox VE Helper Scripts" --inputbox \
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"Gateway IP Address\nExample: 192.168.1.1" 8 58 "" --title "GATEWAY" 3>&1 1>&2 2>&3); then
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if validate_ip "$CLOUDINIT_GW"; then
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export CLOUDINIT_GW
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break
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else
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whiptail --backtitle "Proxmox VE Helper Scripts" --title "INVALID GATEWAY" \
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--msgbox "Invalid gateway format: $CLOUDINIT_GW\n\nPlease use format: x.x.x.x\nExample: 192.168.1.1" 10 50
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fi
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else
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_ci_msg_warn "Gateway required, falling back to DHCP"
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export CLOUDINIT_NETWORK_MODE="dhcp"
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break
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fi
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done
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fi
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fi
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# DNS Servers
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if CLOUDINIT_DNS=$(whiptail --backtitle "Proxmox VE Helper Scripts" --inputbox \
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"DNS Servers (space-separated)" 8 58 "1.1.1.1 8.8.8.8" --title "DNS SERVERS" 3>&1 1>&2 2>&3); then
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export CLOUDINIT_DNS="${CLOUDINIT_DNS:-1.1.1.1 8.8.8.8}"
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else
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export CLOUDINIT_DNS="1.1.1.1 8.8.8.8"
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fi
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return 0
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}
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# ==============================================================================
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# SECTION 5: UTILITY FUNCTIONS
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# ==============================================================================
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# ------------------------------------------------------------------------------
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# display_cloud_init_info - Show Cloud-Init summary after setup
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# ------------------------------------------------------------------------------
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function display_cloud_init_info() {
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local vmid="$1"
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local hostname="${2:-}"
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if [ -n "$CLOUDINIT_CRED_FILE" ] && [ -f "$CLOUDINIT_CRED_FILE" ]; then
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if [ -n "${INFO:-}" ]; then
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echo -e "\n${INFO}${BOLD:-}${GN:-} Cloud-Init Configuration:${CL:-}"
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echo -e "${TAB:- }${DGN:-}User: ${BGN:-}${CLOUDINIT_USER:-root}${CL:-}"
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echo -e "${TAB:- }${DGN:-}Password: ${BGN:-}${CLOUDINIT_PASSWORD}${CL:-}"
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echo -e "${TAB:- }${DGN:-}Credentials: ${BL:-}${CLOUDINIT_CRED_FILE}${CL:-}"
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echo -e "${TAB:- }${RD:-}⚠️ Delete credentials file after noting password!${CL:-}"
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echo -e "${TAB:- }${YW:-}💡 Configure in Proxmox UI: VM ${vmid} > Cloud-Init${CL:-}"
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else
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echo ""
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echo "[INFO] Cloud-Init Configuration:"
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echo " User: ${CLOUDINIT_USER:-root}"
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echo " Password: ${CLOUDINIT_PASSWORD}"
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echo " Credentials: ${CLOUDINIT_CRED_FILE}"
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echo " ⚠️ Delete credentials file after noting password!"
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echo " Configure in Proxmox UI: VM ${vmid} > Cloud-Init"
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fi
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fi
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}
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# ------------------------------------------------------------------------------
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# cleanup_cloud_init_credentials - Remove credentials file
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# ------------------------------------------------------------------------------
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# Usage: cleanup_cloud_init_credentials
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# Call this after user has noted/saved the credentials
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# ------------------------------------------------------------------------------
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function cleanup_cloud_init_credentials() {
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if [ -n "$CLOUDINIT_CRED_FILE" ] && [ -f "$CLOUDINIT_CRED_FILE" ]; then
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rm -f "$CLOUDINIT_CRED_FILE"
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_ci_msg_ok "Credentials file removed: $CLOUDINIT_CRED_FILE"
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unset CLOUDINIT_CRED_FILE
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return 0
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fi
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return 1
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}
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# ------------------------------------------------------------------------------
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# has_cloud_init - Check if VM has Cloud-Init configured
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# ------------------------------------------------------------------------------
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function has_cloud_init() {
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local vmid="$1"
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qm config "$vmid" 2>/dev/null | grep -qE "(ide2|scsi1):.*cloudinit"
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}
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# ------------------------------------------------------------------------------
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# regenerate_cloud_init - Regenerate Cloud-Init configuration
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# ------------------------------------------------------------------------------
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function regenerate_cloud_init() {
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local vmid="$1"
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if has_cloud_init "$vmid"; then
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_ci_msg_info "Regenerating Cloud-Init configuration"
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qm cloudinit update "$vmid" >/dev/null 2>&1 || true
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_ci_msg_ok "Cloud-Init configuration regenerated"
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return 0
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else
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_ci_msg_warn "VM $vmid does not have Cloud-Init configured"
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return 1
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fi
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}
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# ------------------------------------------------------------------------------
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# get_vm_ip - Get VM IP address via qemu-guest-agent
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# ------------------------------------------------------------------------------
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function get_vm_ip() {
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local vmid="$1"
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local timeout="${2:-30}"
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local elapsed=0
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while [ $elapsed -lt $timeout ]; do
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local vm_ip=$(qm guest cmd "$vmid" network-get-interfaces 2>/dev/null |
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jq -r '.[] | select(.name != "lo") | ."ip-addresses"[]? | select(."ip-address-type" == "ipv4") | ."ip-address"' 2>/dev/null | head -1)
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if [ -n "$vm_ip" ]; then
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echo "$vm_ip"
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return 0
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fi
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sleep 2
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elapsed=$((elapsed + 2))
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done
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return 1
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}
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# ------------------------------------------------------------------------------
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# wait_for_cloud_init - Wait for Cloud-Init to complete (requires SSH access)
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# ------------------------------------------------------------------------------
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function wait_for_cloud_init() {
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local vmid="$1"
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local timeout="${2:-300}"
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local vm_ip="${3:-}"
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# Get IP if not provided
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if [ -z "$vm_ip" ]; then
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vm_ip=$(get_vm_ip "$vmid" 60)
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fi
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if [ -z "$vm_ip" ]; then
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_ci_msg_warn "Unable to determine VM IP address"
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return 1
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fi
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_ci_msg_info "Waiting for Cloud-Init to complete on ${vm_ip}"
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local elapsed=0
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while [ $elapsed -lt $timeout ]; do
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if timeout 10 ssh -o ConnectTimeout=5 -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null \
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"${CLOUDINIT_USER:-root}@${vm_ip}" "cloud-init status --wait" 2>/dev/null; then
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_ci_msg_ok "Cloud-Init completed successfully"
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return 0
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fi
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sleep 10
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elapsed=$((elapsed + 10))
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done
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_ci_msg_warn "Cloud-Init did not complete within ${timeout}s"
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return 1
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}
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# ==============================================================================
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# SECTION 6: EXPORTS
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# ==============================================================================
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# Export all functions for use in other scripts
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export -f setup_cloud_init 2>/dev/null || true
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export -f configure_cloud_init_interactive 2>/dev/null || true
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export -f display_cloud_init_info 2>/dev/null || true
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export -f cleanup_cloud_init_credentials 2>/dev/null || true
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export -f has_cloud_init 2>/dev/null || true
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export -f regenerate_cloud_init 2>/dev/null || true
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export -f get_vm_ip 2>/dev/null || true
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export -f wait_for_cloud_init 2>/dev/null || true
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export -f validate_ip_cidr 2>/dev/null || true
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export -f validate_ip 2>/dev/null || true
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# ==============================================================================
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# SECTION 7: EXAMPLES & DOCUMENTATION
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# ==============================================================================
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: <<'EXAMPLES'
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# Example 1: Simple DHCP setup (most common)
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setup_cloud_init "$VMID" "$STORAGE" "$HN" "yes"
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# Example 2: Static IP setup
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setup_cloud_init "$VMID" "$STORAGE" "myserver" "yes" "root" "static" "192.168.1.100/24" "192.168.1.1"
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# Example 3: Interactive configuration in advanced_settings()
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configure_cloud_init_interactive "admin"
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if [ "$CLOUDINIT_ENABLE" = "yes" ]; then
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setup_cloud_init "$VMID" "$STORAGE" "$HN" "yes" "$CLOUDINIT_USER" \
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"$CLOUDINIT_NETWORK_MODE" "$CLOUDINIT_IP" "$CLOUDINIT_GW" "$CLOUDINIT_DNS"
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fi
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# Example 4: Display info after VM creation
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display_cloud_init_info "$VMID" "$HN"
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# Example 5: Check if VM has Cloud-Init
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if has_cloud_init "$VMID"; then
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echo "Cloud-Init is configured"
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fi
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# Example 6: Wait for Cloud-Init to complete after VM start
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if [ "$START_VM" = "yes" ]; then
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qm start "$VMID"
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sleep 30
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wait_for_cloud_init "$VMID" 300
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fi
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# Example 7: Cleanup credentials file after user has noted password
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display_cloud_init_info "$VMID" "$HN"
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read -p "Have you saved the credentials? (y/N): " -r
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[[ $REPLY =~ ^[Yy]$ ]] && cleanup_cloud_init_credentials
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# Example 8: Validate IP before using
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if validate_ip_cidr "192.168.1.100/24"; then
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echo "Valid IP/CIDR"
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fi
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EXAMPLES
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