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Build a cloudinit image in nixos
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{ | |
description = "A nixos cloudinit base image without nixos-infect"; | |
inputs = { | |
nixpkgs.url = "github:nixos/nixpkgs"; | |
}; | |
outputs = { self, nixpkgs }: | |
let | |
system = "x86_64-linux"; | |
pkgs = nixpkgs.legacyPackages.${system}; | |
inherit (pkgs) lib; | |
baseModule = { lib, config, pkgs, ...}: { | |
nixpkgs.hostPlatform = "x86_64-linux"; | |
imports = [ | |
"${nixpkgs}/nixos/modules/profiles/qemu-guest.nix" | |
]; | |
networking = { | |
hostName = "nixos-cloudinit"; | |
}; | |
fileSystems."/" = { | |
label = "nixos"; | |
fsType = "ext4"; | |
autoResize = true; | |
}; | |
boot.loader.grub.device = "/dev/sda"; | |
services.openssh.enable = true; | |
services.qemuGuest.enable = true; | |
security.sudo.wheelNeedsPassword = false; | |
users.users.ops = { | |
isNormalUser = true; | |
extraGroups = [ "wheel" ]; | |
}; | |
networking = { | |
defaultGateway = { address = "10.1.1.1"; interface = "eth0"; }; | |
dhcpcd.enable = false; | |
interfaces.eth0.useDHCP = false; | |
}; | |
systemd.network.enable = true; | |
services.cloud-init = { | |
enable = true; | |
network.enable = true; | |
config = '' | |
system_info: | |
distro: nixos | |
network: | |
renderers: [ 'networkd' ] | |
default_user: | |
name: ops | |
users: | |
- default | |
ssh_pwauth: false | |
chpasswd: | |
expire: false | |
cloud_init_modules: | |
- migrator | |
- seed_random | |
- growpart | |
- resizefs | |
cloud_config_modules: | |
- disk_setup | |
- mounts | |
- set-passwords | |
- ssh | |
cloud_final_modules: [] | |
''; | |
}; | |
}; | |
nixos = nixpkgs.lib.nixosSystem { | |
modules = [baseModule]; | |
}; | |
make-disk-image = import "${nixpkgs}/nixos/lib/make-disk-image.nix"; | |
in { | |
inherit pkgs; | |
image = make-disk-image { | |
inherit pkgs lib; | |
config = nixos.config; | |
name = "nixos-cloudinit"; | |
format = "qcow2-compressed"; | |
copyChannel = false; | |
}; | |
}; | |
} |
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