77 lines
No EOL
2.2 KiB
Bash
Executable file
77 lines
No EOL
2.2 KiB
Bash
Executable file
#!/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:-albert}"
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if [ "$(id -u)" -eq 0 ]; then
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echo "ERROR! $(basename "$0") should be run as a regular user"
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exit 1
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fi
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if [ ! -d "/tmp/nixos/git/.git" ]; then
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git clone https://git.sysctl.io/albert/nix "/tmp/nixos/git"
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else
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git -C "/tmp/nixos/git" pull
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fi
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pushd /tmp/nixos/git
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if [[ -z "$TARGET_HOST" ]]; then
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echo "ERROR! $(basename "$0") requires a hostname as the first argument"
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echo " The following hosts are available"
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ls -1 nixos/hosts/*/default.nix | cut -d'/' -f3 | grep -v -E "iso|rpi"
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exit 1
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fi
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if [[ -z "$TARGET_USER" ]]; then
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echo "ERROR! $(basename "$0") requires a username as the second argument"
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echo " The following users are available"
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ls -1 nixos/users/ | grep -v -E "nixos|root"
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exit 1
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fi
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if [ ! -e "nixos/hosts/$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 "secret.key" "nixos/$TARGET_HOST/disks.nix"; then
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echo "Secret key not found. Create one at /tmp/secret.key"
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exit 1
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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 disko \
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"nixos/hosts/$TARGET_HOST/disks.nix"
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sudo nixos-install --no-root-password --flake ".#$TARGET_HOST"
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# Rsync nix-config to the target install.
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sudo mkdir -p "/mnt/etc/nixos"
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sudo rsync -a --delete "/tmp/nixos/git/" "/mnt/etc/nixos/git/"
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pushd "/mnt/etc/nixos/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/secret.key" ]]; then
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sudo cp /tmp/secret.key /mnt/etc/secret.key
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sudo chmod 0400 /mnt/etc/secret.key
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fi
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fi |