Commit graph

15 commits

Author SHA1 Message Date
Dan Peebles f1708a9d7d make-disk-image: change to be less VM-centric
This changes much of the make-disk-image.nix logic (and thus most NixOS
image building) to use LKL to set up the target directory structure rather
than a Linux VM. The only work we still do in a VM is less IO-heavy stuff
that while still time-consuming, is less of the overall load. The goal is
to kill more of that stuff, but that will require deeper changes to NixOS
activation scripts and switch-to-configuration.pl, and I don't want to
bite off too much at once.
2017-04-24 02:30:00 +00:00
Dan Peebles e798f573f0 make-disk-image.nix: set last fsck time on ext4 images to enable resize-on-startup 2017-02-26 02:02:22 +00:00
Dan Peebles 49641e0de0 make-disk-image.nix: support additional filesystem contents
This makes make-disk-image.nix slightly more consistent with other image
builders we have. Unfortunately I duplicated some code in doing so, but
this is temporary duplication on the path to consolidating everything.
See https://github.com/NixOS/nixpkgs/issues/23052 for more details on that.

I'm also exposing the option in the amazon-image.nix maintainer module.
2017-02-22 23:49:49 +00:00
Domen Kožar b6363c7bc8 make-disk-image: make store validity fix optional
This is useful for EC2 AMI generation to speedup the process.

In my case it removes 13min out of 45min when generating an image
on EC2.
2016-12-07 13:30:20 +01:00
Domen Kožar e5cca82d79 make-disk-image: run tune2fs after umount to skip fsck
tune2fs marks the filesystem as clean to prevent resize2fs from
complaining.

But we were invoking it before we mounted the filesystem, so the
counters would increase to 1 and it broke the functionality.

By moving the call after the mount, I have confirmed it works by:

   $ nix-build nixos/tests/ec2.nix

cc @rbvermaa @edolstra
2016-12-07 13:30:20 +01:00
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
obadz 760b2b9048 nixos/make-disk-image: add ability to defer bootloader install until image has been flashed 2016-08-15 20:01:55 +01:00
Tuomas Tynkkynen 60f5659dad treewide: Use correct output in ${config.nix.package}/bin 2016-04-25 16:44:37 +02:00
Eelco Dolstra 0d3738cdcc Fix the EC2 test
We now generate a qcow2 image to prevent hitting Hydra's output size
limit. Also updated /root/user-data -> /etc/ec2-metadata/user-data.

http://hydra.nixos.org/build/33843133
2016-03-30 21:50:23 +02:00
Eelco Dolstra 5cc7bcda30 Combine OVA generation steps
Previously this was done in three derivations (one to build the raw
disk image, one to convert to OVA, one to add a hydra-build-products
file). Now it's done in one step to reduce the amount of copying
to/from S3. In particular, not uploading the raw disk image prevents
us from hitting hydra-queue-runner's size limit of 2 GiB.
2016-03-15 14:15:12 +01:00
Domen Kožar f1508b3a23 nova-image: use make-disk-image.nix 2015-10-26 16:16:45 +01:00
Eelco Dolstra 106738b196 Give more memory for the disk image builder
http://hydra.nixos.org/build/26480662
2015-10-06 15:03:26 +02:00
Eelco Dolstra 64aed5e78f Fix Nix database in generated images
This prevents seeing lots of warnings about missing hashes/sizes in the
database when running "nix-store --verify --check-contents" for the
first time.
2015-09-28 14:47:48 +02:00
Eelco Dolstra b3347287be Use make-disk-image.nix for VirtualBox images 2015-09-28 14:31:19 +02:00
Eelco Dolstra aeb31b97ad Update AMI generator
The EBS and S3 (instance-store) AMIs are now created from the same
image. HVM instance-store AMIs are also generated.

Disk image generation has been factored out into a function
(nixos/lib/make-disk-image.nix) that can be used to build other kinds
of images.
2015-09-27 21:06:40 +02:00