55 lines
1.7 KiB
Nix
55 lines
1.7 KiB
Nix
# Configuration for the TVL buildkite agents.
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{ config, depot, pkgs, lib, ... }:
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let
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cfg = config.services.depot.buildkite;
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agents = lib.range 1 cfg.agentCount;
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description = "Buildkite agents for TVL";
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besadiiWithConfig = name: pkgs.writeShellScript "besadii-whitby" ''
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export BESADII_CONFIG=/etc/secrets/besadii.json
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exec -a ${name} ${depot.ops.besadii}/bin/besadii "$@"
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'';
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# All Buildkite hooks are actually besadii, but it's being invoked
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# with different names.
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buildkiteHooks = pkgs.runCommandNoCC "buildkite-hooks" {} ''
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mkdir -p $out/bin
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ln -s ${besadiiWithConfig "post-command"} $out/bin/post-command
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'';
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in {
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options.services.depot.buildkite = {
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enable = lib.mkEnableOption description;
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agentCount = lib.mkOption {
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type = lib.types.int;
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description = "Number of Buildkite agents to launch";
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};
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};
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config = lib.mkIf cfg.enable {
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# Run the Buildkite agents using the default upstream module.
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services.buildkite-agents = builtins.listToAttrs (map (n: rec {
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name = "whitby-${toString n}";
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value = {
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inherit name;
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enable = true;
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tokenPath = "/run/agenix/buildkite-agent-token";
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runtimePackages = with pkgs; [ curl jq ];
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hooks.post-command = "${buildkiteHooks}/bin/post-command";
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};
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}) agents);
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# Set up a group for all Buildkite agent users
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users = {
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groups.buildkite-agents = {};
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users = builtins.listToAttrs (map (n: rec {
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name = "buildkite-agent-whitby-${toString n}";
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value = {
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isSystemUser = true;
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group = lib.mkForce "buildkite-agents";
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extraGroups = [ name ];
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};
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}) agents);
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};
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};
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}
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