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support Hetzner vServer

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This tweaks nixos-infect to be allow infecting some Hetzner servers.
Also, add some fallbacks (useful for debugging new backends)
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Данило Глинський (Danylo Hlynskyi) 2017-01-25 01:39:15 +02:00 committed by GitHub
parent c6e0edb73b
commit cb40c94d58
1 changed files with 9 additions and 5 deletions
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14
nixos-infect
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@ -47,6 +47,9 @@
set -ex
export disk=$( (>/dev/null ls -l /dev/vda && echo vda) \
|| (>/dev/null ls -l /dev/sda && echo sda) )
makeConf() {
# NB <<"EOF" quotes / $ ` in heredocs, <<EOF does not
mkdir -p /etc/nixos
@ -72,8 +75,8 @@ EOF
{ ... }:
{
imports = [ <nixpkgs/nixos/modules/profiles/qemu-guest.nix> ];
boot.loader.grub.device = "/dev/vda";
fileSystems."/" = { device = "/dev/vda1"; fsType = "ext4"; };
boot.loader.grub.device = "/dev/$disk";
fileSystems."/" = { device = "/dev/${disk}1"; fsType = "ext4"; };
}
EOF
@ -150,13 +153,14 @@ makeConf
makeSwap # smallest (512MB) droplet needs extra memory!
which dnf && dnf install -y perl-Digest-SHA # Fedora 24
which bzcat || (which yum && yum install -y bzip2) # CentOS
# DigitalOcean doesn't seem to set USER while running user data
export USER="root"
export HOME="/root"
groupadd -r nixbld -g 30000
seq 1 10 | xargs -I{} useradd -c "Nix build user {}" -d /var/empty -g nixbld -G nixbld -M -N -r -s `which nologin` nixbld{}
groupadd -r nixbld -g 30000 || true
seq 1 10 | xargs -I{} useradd -c "Nix build user {}" -d /var/empty -g nixbld -G nixbld -M -N -r -s `which nologin` nixbld{} || true
curl https://nixos.org/nix/install | sh
@ -190,7 +194,7 @@ etc/resolv.conf
root/.nix-defexpr/channels
EOF
mv -v /boot /boot.bak &&
rm -rf /boot.bak && mv -v /boot /boot.bak &&
/nix/var/nix/profiles/system/bin/switch-to-configuration boot
reboot