From 17a3ea880402338420699e03bcb24181e4ff3924 Mon Sep 17 00:00:00 2001
From: Rutger Broekhoff
Date: Thu, 2 May 2024 20:27:40 +0200
Subject: Initial commit

Based on dc4ba6a
---
 module/default.nix | 118 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 118 insertions(+)
 create mode 100644 module/default.nix

(limited to 'module/default.nix')

diff --git a/module/default.nix b/module/default.nix
new file mode 100644
index 0000000..c891ceb
--- /dev/null
+++ b/module/default.nix
@@ -0,0 +1,118 @@
+flake: { lib, config, pkgs, ... }:
+with lib;
+let
+  inherit (flake.packages.${pkgs.stdenv.hostPlatform.system}) oeuf-recvkv6;
+  inherit (flake.packages.${pkgs.stdenv.hostPlatform.system}) oeuf-archiver;
+
+  cfg = config.services.oeuf-recvkv6;
+  archiverCfg = config.services.oeuf-archiver;
+in
+{
+  options.services.oeuf-recvkv6 = {
+    enable = mkEnableOption "oeuf-recvkv6";
+    ndovProduction = mkEnableOption "usage of the NDOV Loket production ZeroMQ server";
+    metricsAddr = mkOption {
+      type = types.str;
+    };
+  };
+
+  options.services.oeuf-archiver = with types; {
+    enable = mkEnableOption "oeuf-archiver";
+    s3 = mkOption {
+      type = submodule {
+        options = {
+          accessKeyIDFile = mkOption {
+            type = str;
+          };
+          secretAccessKeyFile = mkOption {
+            type = str;
+          };
+          provider = mkOption {
+            type = str;
+          };
+          region = mkOption {
+            type = str;
+          };
+          endpoint = mkOption {
+            type = str;
+          };
+          bucket = mkOption {
+            type = str;
+          };
+        };
+      };
+    };
+    prometheusPushURL = mkOption {
+      type = str;
+    };
+    supplementaryServiceGroups = mkOption {
+      type = listOf str;
+    };
+  };
+
+  config = mkIf (cfg.enable || archiverCfg.enable) (mkMerge [
+    {
+      users.users.oeuf = {
+        description = "oeuf service user";
+        isSystemUser = true;
+        group = "oeuf";
+      };
+
+      users.groups.oeuf = { };
+    }
+    (mkIf cfg.enable {
+      systemd.services.oeuf-recvkv6 = {
+        after = [ "network-online.target" ];
+        wantedBy = [ "multi-user.target" ];
+        environment = {
+          METRICS_ADDR = cfg.metricsAddr;
+          NDOV_PRODUCTION = lib.boolToString cfg.ndovProduction;
+        };
+        serviceConfig = {
+          User = config.users.users.oeuf.name;
+          Group = config.users.users.oeuf.group;
+          Restart = "always";
+          StateDirectory = "oeuf";
+          WorkingDirectory = "/var/lib/oeuf";
+          ExecStart = "${lib.getBin oeuf-recvkv6}/bin/oeuf-recvkv6";
+        };
+      };
+    })
+    (mkIf archiverCfg.enable {
+      systemd.timers.oeuf-archiver = {
+        wantedBy = [ "timers.target" ];
+        partOf = [ "oeuf-archiver.service" ];
+        timerConfig = {
+          OnBootSec = "5m";
+          OnUnitActiveSec = "5m";
+          Unit = "oeuf-archiver.service";
+        };
+      };
+
+      systemd.services.oeuf-archiver = {
+        after = [ "network-online.target" ];
+        environment = {
+          S3_PROVIDER = archiverCfg.s3.provider;
+          S3_REGION = archiverCfg.s3.region;
+          S3_ENDPOINT = archiverCfg.s3.endpoint;
+          S3_BUCKET = archiverCfg.s3.bucket;
+          PROMETHEUS_PUSH_URL = archiverCfg.prometheusPushURL;
+        };
+        script = ''
+          export S3_ACCESS_KEY_ID="$(cat ${archiverCfg.s3.accessKeyIDFile})"
+          export S3_SECRET_ACCESS_KEY="$(cat ${archiverCfg.s3.secretAccessKeyFile})"
+          ${lib.getBin oeuf-archiver}/bin/oeuf-archiver
+        '';
+        serviceConfig = {
+          Type = "oneshot";
+          User = config.users.users.oeuf.name;
+          Group = config.users.users.oeuf.group;
+          SupplementaryGroups = archiverCfg.supplementaryServiceGroups;
+          StateDirectory = "oeuf";
+          WorkingDirectory = "/var/lib/oeuf";
+          AmbientCapabilities = "CAP_NET_BIND_SERVICE";
+        };
+      };
+    })
+  ]);
+}
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