From c6b38fd8f0e5908e5593d33e66cae8980f560c1b Mon Sep 17 00:00:00 2001
From: seth <getchoo@tuta.io>
Date: Sun, 21 May 2023 13:46:36 -0400
Subject: move monitoring setup to modules

---
 modules/nixos/server/services/promtail.nix | 56 ++++++++++++++++++++++++++++++
 1 file changed, 56 insertions(+)
 create mode 100644 modules/nixos/server/services/promtail.nix

(limited to 'modules/nixos/server/services/promtail.nix')

diff --git a/modules/nixos/server/services/promtail.nix b/modules/nixos/server/services/promtail.nix
new file mode 100644
index 0000000..73a8de2
--- /dev/null
+++ b/modules/nixos/server/services/promtail.nix
@@ -0,0 +1,56 @@
+{
+  config,
+  lib,
+  ...
+}: let
+  cfg = config.getchoo.server.services.promtail;
+  inherit (lib) mkEnableOption mkIf mkOption types;
+in {
+  options.getchoo.server.services.promtail = {
+    enable = mkEnableOption "enable promtail";
+
+    port = mkOption {
+      type = types.port;
+      default = 3031;
+      description = "port for promtail";
+    };
+
+    clients = mkOption {
+      type = types.listOf types.attrs;
+      default = [{}];
+      description = "clients for promtail";
+    };
+  };
+
+  config.services.promtail = mkIf cfg.enable {
+    enable = true;
+    configuration = {
+      server = {
+        http_listen_port = cfg.port;
+        grpc_listen_port = 0;
+      };
+      positions = {
+        filename = "/tmp/positions.yaml";
+      };
+      inherit (cfg) clients;
+      scrape_configs = [
+        {
+          job_name = "journal";
+          journal = {
+            max_age = "12h";
+            labels = {
+              job = "systemd-journal";
+              host = "${config.networking.hostName}";
+            };
+          };
+          relabel_configs = [
+            {
+              source_labels = ["__journal__systemd_unit"];
+              target_label = "unit";
+            }
+          ];
+        }
+      ];
+    };
+  };
+}
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