mirror of
https://github.com/NixOS/nixpkgs.git
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66 lines
2 KiB
Nix
66 lines
2 KiB
Nix
# Usage:
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# $ NIXOS_CONFIG=`pwd`/nixos/modules/virtualisation/nova-image.nix nix-build '<nixpkgs/nixos>' -A config.system.build.novaImage
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{ config, lib, pkgs, ... }:
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with lib;
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{
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system.build.novaImage = import ../../lib/make-disk-image.nix {
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inherit pkgs lib config;
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partitioned = true;
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diskSize = 1 * 1024;
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configFile = pkgs.writeText "configuration.nix"
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''
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{
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imports = [ <nixpkgs/nixos/modules/virtualisation/nova-image.nix> ];
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}
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'';
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};
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imports = [
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../profiles/qemu-guest.nix
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../profiles/headless.nix
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];
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fileSystems."/".device = "/dev/disk/by-label/nixos";
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boot.kernelParams = [ "console=ttyS0" ];
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boot.loader.grub.device = "/dev/vda";
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boot.loader.timeout = 0;
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# Allow root logins
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services.openssh.enable = true;
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services.openssh.permitRootLogin = "without-password";
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# Put /tmp and /var on /ephemeral0, which has a lot more space.
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# Unfortunately we can't do this with the `fileSystems' option
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# because it has no support for creating the source of a bind
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# mount. Also, "move" /nix to /ephemeral0 by layering a unionfs-fuse
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# mount on top of it so we have a lot more space for Nix operations.
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/*
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boot.initrd.postMountCommands =
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''
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mkdir -m 1777 -p $targetRoot/ephemeral0/tmp
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mkdir -m 1777 -p $targetRoot/tmp
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mount --bind $targetRoot/ephemeral0/tmp $targetRoot/tmp
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mkdir -m 755 -p $targetRoot/ephemeral0/var
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mkdir -m 755 -p $targetRoot/var
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mount --bind $targetRoot/ephemeral0/var $targetRoot/var
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mkdir -p /unionfs-chroot/ro-nix
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mount --rbind $targetRoot/nix /unionfs-chroot/ro-nix
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mkdir -p /unionfs-chroot/rw-nix
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mkdir -m 755 -p $targetRoot/ephemeral0/nix
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mount --rbind $targetRoot/ephemeral0/nix /unionfs-chroot/rw-nix
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unionfs -o allow_other,cow,nonempty,chroot=/unionfs-chroot,max_files=32768 /rw-nix=RW:/ro-nix=RO $targetRoot/nix
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'';
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boot.initrd.supportedFilesystems = [ "unionfs-fuse" ];
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*/
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}
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