diff options
Diffstat (limited to 'custom')
| -rwxr-xr-x | custom/install-archzfs | 127 | ||||
| -rw-r--r-- | custom/install-archzfs.conf.example | 77 |
2 files changed, 200 insertions, 4 deletions
diff --git a/custom/install-archzfs b/custom/install-archzfs index 5f8b2a9..ae9e793 100755 --- a/custom/install-archzfs +++ b/custom/install-archzfs @@ -10,6 +10,11 @@ # - Optional WiFi configuration with connection test # - ZFS native encryption (passphrase required at boot) # - Pre-pacman ZFS snapshots for safe upgrades +# +# UNATTENDED MODE: +# Use --config-file /path/to/install-archzfs.conf for automated installs. +# Config file must be explicitly specified to prevent accidental disk wipes. +# See /root/install-archzfs.conf.example for a template with all options. set -e @@ -50,6 +55,72 @@ step() { echo ""; echo "==> $1"; } prompt() { echo "$1"; } ############################# +# Config File Support +############################# + +CONFIG_FILE="" +UNATTENDED=false + +parse_args() { + while [[ $# -gt 0 ]]; do + case "$1" in + --config-file) + if [[ -n "$2" && ! "$2" =~ ^- ]]; then + CONFIG_FILE="$2" + shift 2 + else + error "--config-file requires a path argument" + fi + ;; + --help|-h) + echo "Usage: install-archzfs [OPTIONS]" + echo "" + echo "Options:" + echo " --config-file PATH Use config file for unattended installation" + echo " --help, -h Show this help message" + echo "" + echo "Without --config-file, runs in interactive mode." + echo "See /root/install-archzfs.conf.example for a config template." + exit 0 + ;; + *) + error "Unknown option: $1 (use --help for usage)" + ;; + esac + done +} + +load_config() { + local config_path="$1" + + if [[ ! -f "$config_path" ]]; then + error "Config file not found: $config_path" + fi + + info "Loading config from: $config_path" + + # Source the config file (it's just key=value pairs) + # shellcheck disable=SC1090 + source "$config_path" + + # Convert DISKS from comma-separated string to array + if [[ -n "$DISKS" ]]; then + IFS=',' read -ra SELECTED_DISKS <<< "$DISKS" + fi + + UNATTENDED=true + info "Running in unattended mode" +} + +check_config() { + # Only use config when explicitly specified with --config-file + # This prevents accidental disk destruction from an unnoticed config file + if [[ -n "$CONFIG_FILE" ]]; then + load_config "$CONFIG_FILE" + fi +} + +############################# # Pre-flight Checks ############################# @@ -71,6 +142,37 @@ preflight_checks() { ############################# gather_input() { + if [[ "$UNATTENDED" == true ]]; then + # Validate required config values + [[ -z "$HOSTNAME" ]] && error "Config missing required: HOSTNAME" + [[ -z "$TIMEZONE" ]] && error "Config missing required: TIMEZONE" + [[ -z "$ZFS_PASSPHRASE" ]] && error "Config missing required: ZFS_PASSPHRASE" + [[ -z "$ROOT_PASSWORD" ]] && error "Config missing required: ROOT_PASSWORD" + [[ ${#SELECTED_DISKS[@]} -eq 0 ]] && error "Config missing required: DISKS" + + # Set defaults for optional values + [[ -z "$LOCALE" ]] && LOCALE="en_US.UTF-8" + [[ -z "$KEYMAP" ]] && KEYMAP="us" + [[ -z "$ENABLE_SSH" ]] && ENABLE_SSH="yes" + + # Determine RAID level if not specified + if [[ -z "$RAID_LEVEL" && ${#SELECTED_DISKS[@]} -gt 1 ]]; then + RAID_LEVEL="mirror" + info "Defaulting to mirror for ${#SELECTED_DISKS[@]} disks" + fi + + info "Configuration loaded:" + info " Hostname: $HOSTNAME" + info " Timezone: $TIMEZONE" + info " Locale: $LOCALE" + info " Keymap: $KEYMAP" + info " Disks: ${SELECTED_DISKS[*]}" + [[ -n "$RAID_LEVEL" ]] && info " RAID: $RAID_LEVEL" + info " SSH: $ENABLE_SSH" + [[ -n "$WIFI_SSID" ]] && info " WiFi: $WIFI_SSID" + return + fi + echo "" echo "╔═══════════════════════════════════════════════════════════════╗" echo "║ Arch Linux ZFS Root ║" @@ -731,7 +833,8 @@ EOF info "Installing base packages (this takes a while)..." info "ZFS will be built from source via DKMS - this ensures kernel compatibility." - pacstrap -K /mnt \ + # Use yes to auto-select defaults for provider prompts + yes "" | pacstrap -K /mnt \ base \ base-devel \ linux-lts \ @@ -843,7 +946,8 @@ configure_initramfs() { cp /mnt/etc/mkinitcpio.conf /mnt/etc/mkinitcpio.conf.bak # Configure hooks for ZFS - sed -i 's/^HOOKS=.*/HOOKS=(base udev autodetect microcode modconf kms keyboard keymap consolefont block zfs filesystems fsck)/' /mnt/etc/mkinitcpio.conf + # ZFS doesn't use fsck - remove it to avoid confusing error messages + sed -i 's/^HOOKS=.*/HOOKS=(base udev autodetect microcode modconf kms keyboard keymap consolefont block zfs filesystems)/' /mnt/etc/mkinitcpio.conf info "Regenerating initramfs..." arch-chroot /mnt mkinitcpio -P @@ -852,13 +956,17 @@ configure_initramfs() { configure_bootloader() { step "Configuring GRUB Bootloader" + # Get hostid for kernel parameter + local host_id + host_id=$(hostid) + # Configure GRUB defaults cat > /mnt/etc/default/grub << EOF GRUB_DEFAULT=0 GRUB_TIMEOUT=5 GRUB_DISTRIBUTOR="Arch Linux (ZFS)" -GRUB_CMDLINE_LINUX_DEFAULT="loglevel=3 quiet" -GRUB_CMDLINE_LINUX="root=ZFS=$POOL_NAME/ROOT/default" +GRUB_CMDLINE_LINUX_DEFAULT="loglevel=3" +GRUB_CMDLINE_LINUX="root=ZFS=$POOL_NAME/ROOT/default spl.spl_hostid=$host_id" GRUB_PRELOAD_MODULES="part_gpt part_msdos zfs" GRUB_TERMINAL_OUTPUT="console" GRUB_DISABLE_OS_PROBER=true @@ -912,6 +1020,15 @@ configure_zfs_services() { arch-chroot /mnt systemctl enable zfs-mount arch-chroot /mnt systemctl enable zfs-import.target + # Copy hostid to installed system (ZFS uses this for pool ownership) + if [[ -f /etc/hostid ]]; then + cp /etc/hostid /mnt/etc/hostid + else + # Generate hostid if it doesn't exist + zgenhostid + cp /etc/hostid /mnt/etc/hostid + fi + # Generate zpool cache mkdir -p /mnt/etc/zfs zpool set cachefile=/etc/zfs/zpool.cache "$POOL_NAME" @@ -1118,7 +1235,9 @@ print_summary() { ############################# main() { + parse_args "$@" preflight_checks + check_config gather_input # Unattended installation begins diff --git a/custom/install-archzfs.conf.example b/custom/install-archzfs.conf.example new file mode 100644 index 0000000..e97fe68 --- /dev/null +++ b/custom/install-archzfs.conf.example @@ -0,0 +1,77 @@ +# install-archzfs.conf - Unattended Installation Configuration +# +# Copy this file to /root/install-archzfs.conf and edit values. +# Or use: install-archzfs --config-file /path/to/your-config.conf +# +# Required fields: HOSTNAME, TIMEZONE, DISKS, ZFS_PASSPHRASE, ROOT_PASSWORD +# All other fields have sensible defaults. + +############################# +# System Configuration +############################# + +# Hostname for the installed system (required) +HOSTNAME=archzfs + +# Timezone (required) - Use format: Region/City +# Examples: America/Los_Angeles, Europe/London, Asia/Tokyo +TIMEZONE=America/Los_Angeles + +# Locale (optional, default: en_US.UTF-8) +LOCALE=en_US.UTF-8 + +# Console keymap (optional, default: us) +KEYMAP=us + +############################# +# Disk Configuration +############################# + +# Disks to use for installation (required) +# Single disk: DISKS=/dev/vda +# Multiple disks: DISKS=/dev/vda,/dev/vdb,/dev/vdc +DISKS=/dev/vda + +# RAID level for multi-disk setups (optional) +# Options: mirror, stripe, raidz1, raidz2, raidz3 +# Default: mirror (when multiple disks specified) +# Leave empty for single disk +RAID_LEVEL= + +############################# +# Security +############################# + +# ZFS encryption passphrase (required) +# This will be required at every boot to unlock the pool +ZFS_PASSPHRASE=changeme + +# Root password (required) +ROOT_PASSWORD=changeme + +############################# +# Network Configuration +############################# + +# Enable SSH with root login (optional, default: yes) +# Set to "no" to disable SSH +ENABLE_SSH=yes + +# WiFi configuration (optional) +# Leave empty for ethernet-only or to skip WiFi setup +WIFI_SSID= +WIFI_PASSWORD= + +############################# +# Advanced ZFS Options +############################# + +# Pool name (optional, default: zroot) +#POOL_NAME=zroot + +# Compression algorithm (optional, default: zstd) +#COMPRESSION=zstd + +# Sector size shift (optional, default: 12 for 4K sectors) +# Use 13 for 8K sector drives +#ASHIFT=12 |