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-rw-r--r--ops/nixos/tvl-buildkite.nix36
1 files changed, 36 insertions, 0 deletions
diff --git a/ops/nixos/tvl-buildkite.nix b/ops/nixos/tvl-buildkite.nix
new file mode 100644
index 000000000000..48515f6c80c2
--- /dev/null
+++ b/ops/nixos/tvl-buildkite.nix
@@ -0,0 +1,36 @@
+# Configuration for the TVL buildkite agents.
+{ config, depot, lib, ... }:
+
+let
+  cfg = config.services.depot.buildkite;
+  agents = lib.range 1 cfg.agentCount;
+  description = "Buildkite agents for TVL";
+
+  # All Buildkite hooks are actually besadii, but it's being invoked
+  # with different names.
+  buildkiteHooks = depot.third_party.runCommandNoCC "buildkite-hooks" {} ''
+    mkdir -p $out/bin
+    ln -s ${depot.ops.besadii}/bin/besadii $out/bin/post-command
+  '';
+in {
+  options.services.depot.buildkite = {
+    enable = lib.mkEnableOption description;
+    agentCount = lib.mkOption {
+      type = lib.types.int;
+      description = "Number of Buildkite agents to launch";
+    };
+  };
+
+  config = lib.mkIf cfg.enable {
+    # Run the Buildkite agents using the default upstream module.
+    services.buildkite-agents = builtins.listToAttrs (map (n: rec {
+      name = "whitby-${toString n}";
+      value = {
+        inherit name;
+        enable = true;
+        tokenPath = "/etc/secrets/buildkite-agent-token";
+        hooks.post-command = "${buildkiteHooks}/bin/post-command";
+      };
+    }) agents);
+  };
+}