diff options
Diffstat (limited to 'krebs/4lib')
| -rw-r--r-- | krebs/4lib/infest/prepare.sh | 87 |
1 files changed, 64 insertions, 23 deletions
diff --git a/krebs/4lib/infest/prepare.sh b/krebs/4lib/infest/prepare.sh index ccfc4f49..78c1c6ec 100644 --- a/krebs/4lib/infest/prepare.sh +++ b/krebs/4lib/infest/prepare.sh @@ -21,6 +21,10 @@ prepare() {( esac ;; debian) + if grep -Fq Hetzner /etc/motd; then + prepare_hetzner_rescue "$@" + exit + fi case $VERSION_ID in 7) prepare_debian "$@" @@ -72,7 +76,7 @@ prepare_debian() { type bzip2 2>/dev/null || apt-get install bzip2 type git 2>/dev/null || apt-get install git type rsync 2>/dev/null || apt-get install rsync - type curl 2>/dev/null || apt-get install curl + type curl 2>/dev/null || apt-get install curl prepare_common } @@ -90,10 +94,33 @@ prepare_nixos_iso() { mkdir -p bin rm -f bin/nixos-install - cp "$(type -p nixos-install)" bin/nixos-install + cp "$(_which nixos-install)" bin/nixos-install sed -i "s@NIX_PATH=\"[^\"]*\"@NIX_PATH=$target_path@" bin/nixos-install } +prepare_hetzner_rescue() { + _which() ( + which "$1" + ) + mountpoint /mnt + + type bzip2 2>/dev/null || apt-get install bzip2 + type git 2>/dev/null || apt-get install git + type rsync 2>/dev/null || apt-get install rsync + type curl 2>/dev/null || apt-get install curl + + mkdir -p /mnt/"$target_path" + mkdir -p "$target_path" + + if ! mountpoint "$target_path"; then + mount --rbind /mnt/"$target_path" "$target_path" + fi + + _prepare_nix_users + _prepare_nix + _prepare_nixos_install +} + get_nixos_install() { echo "installing nixos-install" 2>&1 c=$(mktemp) @@ -107,24 +134,13 @@ EOF nix-env -i -A config.system.build.nixos-install -f "<nixpkgs/nixos>" rm -v $c } + prepare_common() {( + _which() ( + type -p "$1" + ) - if ! getent group nixbld >/dev/null; then - groupadd -g 30000 -r nixbld - fi - for i in `seq 1 10`; do - if ! getent passwd nixbld$i 2>/dev/null; then - useradd \ - -d /var/empty \ - -g 30000 \ - -G 30000 \ - -l \ - -M \ - -s /sbin/nologin \ - -u $(expr 30000 + $i) \ - nixbld$i - fi - done + _prepare_nix_users # # mount install directory @@ -173,10 +189,12 @@ prepare_common() {( mount --bind /nix /mnt/nix fi - # - # install nix - # + _prepare_nix + _prepare_nixos_install +)} + +_prepare_nix() { # install nix on host (cf. https://nixos.org/nix/install) if ! test -e /root/.nix-profile/etc/profile.d/nix.sh; then ( @@ -201,17 +219,40 @@ prepare_common() {( if ! mountpoint "$target_path"; then mount --rbind /mnt/"$target_path" "$target_path" fi +} +_prepare_nix_users() { + if ! getent group nixbld >/dev/null; then + groupadd -g 30000 -r nixbld + fi + for i in `seq 1 10`; do + if ! getent passwd nixbld$i 2>/dev/null; then + useradd \ + -d /var/empty \ + -g 30000 \ + -G 30000 \ + -l \ + -M \ + -s /sbin/nologin \ + -u $(expr 30000 + $i) \ + nixbld$i + fi + done +} + + +_prepare_nixos_install() { get_nixos_install + mkdir -p bin rm -f bin/nixos-install - cp "$(type -p nixos-install)" bin/nixos-install + cp "$(_which nixos-install)" bin/nixos-install sed -i "s@NIX_PATH=\"[^\"]*\"@NIX_PATH=$target_path@" bin/nixos-install if ! grep -q '^PATH.*#krebs' .bashrc; then echo '. /root/.nix-profile/etc/profile.d/nix.sh' >> .bashrc echo 'PATH=$HOME/bin:$PATH #krebs' >> .bashrc fi -)} +} prepare "$@" |