66 lines
1.9 KiB
Nix
66 lines
1.9 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.amazonImage;
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in {
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imports = [ ../../../modules/virtualisation/amazon-image.nix ];
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# Required to provide good EBS experience,
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# https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/nvme-ebs-volumes.html#timeout-nvme-ebs-volumes
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# TODO change value to 4294967295 when kernel is updated to 4.15 or later
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config.boot.kernelParams = [ "nvme_core.io_timeout=255" ];
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options.amazonImage = {
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name = mkOption {
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type = types.str;
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description = "The name of the generated derivation";
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default = "nixos-disk-image";
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};
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contents = mkOption {
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example = literalExample ''
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[ { source = pkgs.memtest86 + "/memtest.bin";
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target = "boot/memtest.bin";
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}
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]
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'';
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default = [];
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description = ''
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This option lists files to be copied to fixed locations in the
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generated image. Glob patterns work.
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'';
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};
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sizeMB = mkOption {
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type = types.int;
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default = if config.ec2.hvm then 2048 else 8192;
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description = "The size in MB of the image";
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};
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format = mkOption {
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type = types.enum [ "raw" "qcow2" "vpc" ];
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default = "qcow2";
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description = "The image format to output";
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};
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};
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config.system.build.amazonImage = import ../../../lib/make-disk-image.nix {
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inherit lib config;
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inherit (cfg) contents format name;
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pkgs = import ../../../.. { inherit (pkgs) system; }; # ensure we use the regular qemu-kvm package
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partitionTableType = if config.ec2.hvm then "legacy" else "none";
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diskSize = cfg.sizeMB;
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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/amazon-image.nix> ];
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${optionalString config.ec2.hvm ''
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ec2.hvm = true;
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''}
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}
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'';
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};
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}
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