infra/lib/deploy.nix

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/*
* The contents of this file are adapted from digga
* https://github.com/divnix/digga
*
* Licensed under the MIT license
*/
{ lib, inputs }:
let
# https://github.com/serokell/deploy-rs#overall-usage
system = "x86_64-linux";
pkgs = import inputs.nixpkgs { inherit system; };
deployPkgs = import inputs.nixpkgs {
inherit system;
overlays = [
inputs.deploy-rs.overlay
(self: super: { deploy-rs = { inherit (pkgs) deploy-rs; lib = super.deploy-rs.lib; }; })
];
};
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getFqdn = c:
let
net = c.config.networking;
fqdn =
if (net ? domain) && (net.domain != null)
then "${net.hostName}.${net.domain}"
else net.hostName;
in
fqdn;
in
{
mkDeployNodes = systemConfigurations: extraConfig:
/*
*
Synopsis: mkNodes _systemConfigurations_ _extraConfig_
Generate the `nodes` attribute expected by deploy-rs
where _systemConfigurations_ are `nodes`.
_systemConfigurations_ should take the form of a flake's
_nixosConfigurations_. Note that deploy-rs does not currently support
deploying to darwin hosts.
_extraConfig_, if specified, will be merged into each of the
nodes' configurations.
Example _systemConfigurations_ input:
```
{
hostname-1 = {
fastConnection = true;
sshOpts = [ "-p" "25" ];
};
hostname-2 = {
sshOpts = [ "-p" "19999" ];
sshUser = "root";
};
}
```
*
*/
lib.recursiveUpdate
(lib.mapAttrs
(
_: c: {
hostname = getFqdn c;
profiles.system = {
user = "root";
path = deployPkgs.deploy-rs.lib.activate.nixos c;
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};
}
)
systemConfigurations)
extraConfig;
}