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obadz 24f8cf08cc nixos/lib/make-disk-image: refactor to use nixos-install 
- Replace hand-rolled version of nixos-install in make-disk-image by an
  actual call to nixos-install
- Required a few cleanups of nixos-install
- nixos-install invokes an activation script which the hand-rolled version
  in make-disk-image did not do. We remove /etc/machine-id as that's
  a host-specific, impure, output of the activation script

Testing:

nix-build '<nixpkgs/nixos/release.nix>' -A tests.installer.simple passes

Also tried generating an image with:

nix-build -E 'let
    pkgs = import <nixpkgs> {};
    lib = pkgs.lib;
    nixos = import <nixpkgs/nixos> {
      configuration = {
        fileSystems."/".device = "/dev/disk/by-label/nixos";
        boot.loader.grub.devices = [ "/dev/sda" ];
        boot.loader.grub.extraEntries = '"''"'
          menuentry "Ubuntu" {
             insmod ext2
             search --set=root --label ubuntu
             configfile /boot/grub/grub.cfg
          }
        '"''"';
      };
    };
  in import <nixpkgs/nixos/lib/make-disk-image.nix> {
    inherit pkgs lib;
    config = nixos.config;
    diskSize = 2000;
    partitioned = false;
    installBootLoader = false;
  }'

Then installed the image:
$ sudo df if=./result/nixos.img of=/dev/sdaX bs=1M
$ sudo resize2fs /dev/disk/by-label/nixos
$ sudo mount /dev/disk/by-label/nixos /mnt
$ sudo mount --rbind /proc /mnt/proc
$ sudo mount --rbind /dev /mnt/dev
$ sudo chroot /mnt /nix/var/nix/profiles/system/bin/switch-to-configuration boot

[ … optionally do something about passwords … ]

and successfully rebooted to that image.

Was doing all this from inside a Ubuntu VM with a single user nix install.
2016-08-16 15:31:16 +01:00
..
doc/manual grsecurity docs: mention chromium setuid sandbox 2016-08-15 20:36:47 +02:00
lib nixos/lib/make-disk-image: refactor to use nixos-install 2016-08-16 15:31:16 +01:00
maintainers Add AMIs in ap-northeast-2 and ap-south-1 2016-07-12 17:26:25 +02:00
modules nixos/lib/make-disk-image: refactor to use nixos-install 2016-08-16 15:31:16 +01:00
tests nixos/tests/ecryptfs: placate some commands causing many builds failure 2016-08-16 02:47:08 +01:00
COPYING
default.nix
README
release-combined.nix Remove nixos.tests.boot.biosUsb.* as release blockers 2016-07-21 11:44:55 +02:00
release-small.nix release-small: drop mysql51, removed in 975d33e6 2016-08-13 09:46:42 +02:00
release.nix Remove the Cassandra module 2016-08-12 16:39:42 +02:00

README 

*** NixOS ***

NixOS is a Linux distribution based on the purely functional package
management system Nix.  More information can be found at
http://nixos.org/nixos and in the manual in doc/manual.