mirror of
https://github.com/gburd/nix-config.git
synced 2024-11-20 10:36:25 +00:00
83 lines
2.5 KiB
Bash
83 lines
2.5 KiB
Bash
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#!/usr/bin/env bash
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set -euo pipefail
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TARGET_HOST="''${1:-}"
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TARGET_USER="''${2:-gburd}"
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TARGET_TYPE="''${3:-}"
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if [ "$(id -u)" -eq 0 ]; then
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echo "ERROR! $(basename "$0") should be run as a regular user"
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exit 1
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fi
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if [ ! -d "$HOME/ws/nix-config/.git" ]; then
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git clone https://github.com/gburd/nix-config.git "$HOME/ws/nix-config"
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fi
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pushd "$HOME/ws/nix-config"
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if [[ -z "$TARGET_HOST" ]]; then
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echo "ERROR! $(basename "$0") requires a hostname as the first argument"
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echo " The following hosts are available"
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ls -1 nixos/*/default.nix | cut -d'/' -f2 | grep -v iso
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exit 1
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fi
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if [[ -z "$TARGET_USER" ]]; then
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echo "ERROR! $(basename "$0") requires a username as the second argument"
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echo " The following users are available"
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ls -1 nixos/_mixins/users/ | grep -v -E "nixos|root"
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exit 1
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fi
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if [[ -z "$TARGET_TYPE" ]]; then
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echo "ERROR! $(basename "$0") requires a type as the third argument"
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echo " The following types are available"
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ls -1 nixos/ | grep -v -E "workstation|server"
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exit 1
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fi
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if [ ! -e "nixos/$TARGET_HOST/disks.nix" ]; then
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echo "ERROR! $(basename "$0") could not find the required nixos/$TARGET_HOST/disks.nix"
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exit 1
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fi
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# Check if the machine we're provisioning expects a keyfile to unlock a disk.
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# If it does, generate a new key, and write to a known location.
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if grep -q "data.keyfile" "nixos/$TARGET_HOST/disks.nix"; then
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echo -n "$(head -c32 /dev/random | base64)" > /tmp/data.keyfile
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fi
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echo "WARNING! The disks in $TARGET_HOST are about to get wiped"
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echo " NixOS will be re-installed"
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echo " This is a destructive operation"
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echo
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read -p "Are you sure? [y/N]" -n 1 -r
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echo
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if [[ $REPLY =~ ^[Yy]$ ]]; then
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sudo true
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sudo nix run github:nix-community/disko \
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--extra-experimental-features "nix-command flakes" \
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--no-write-lock-file \
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-- \
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--mode zap_create_mount \
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"nixos/$TARGET_HOST/disks.nix"
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sudo nixos-install --no-root-password --flake ".#$TARGET_HOST"
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# Rsync nix-config to the target install and set the remote origin to SSH.
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rsync -a --delete "$HOME/ws/" "/mnt/home/$TARGET_USER/ws/"
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pushd "/mnt/home/$TARGET_USER/ws/nix-config"
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git remote set-url origin git@github.com:gburd/nix-config.git
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popd
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# If there is a keyfile for a data disk, put copy it to the root partition and
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# ensure the permissions are set appropriately.
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if [[ -f "/tmp/data.keyfile" ]]; then
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sudo cp /tmp/data.keyfile /mnt/etc/data.keyfile
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sudo chmod 0400 /mnt/etc/data.keyfile
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fi
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fi
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