From 9f6d63cabee1743f034d64da18e78c1dd6131dd5 Mon Sep 17 00:00:00 2001
From: Ingolf Wagner <contact@ingolf-wagner.de>
Date: Thu, 16 May 2024 09:49:22 +0200
Subject: [PATCH] automatic configure prometheus

---
 nixos/machines/chungus/telemetry/loki.nix     | 32 +++++++++----------
 .../machines/chungus/telemetry/prometheus.nix | 13 ++++++++
 2 files changed, 29 insertions(+), 16 deletions(-)

diff --git a/nixos/machines/chungus/telemetry/loki.nix b/nixos/machines/chungus/telemetry/loki.nix
index ca8b131..9890343 100644
--- a/nixos/machines/chungus/telemetry/loki.nix
+++ b/nixos/machines/chungus/telemetry/loki.nix
@@ -1,9 +1,13 @@
 { config, pkgs, ... }:
 {
 
+
+
+
+
   services.opentelemetry-collector.settings = {
     exporters.loki = {
-      endpoint = "http://127.0.0.1:3100/loki/api/v1/push";
+      endpoint = "http://127.0.0.1:${toString config.services.loki.configuration.server.http_listen_port}/loki/api/v1/push";
       default_labels_enabled = {
         exporter = true;
         job = true;
@@ -109,20 +113,16 @@
     # user, group, dataDir, extraFlags, (configFile)
   };
 
-  #services.nginx = {
-  #  enable = true;
-  #  virtualHosts.loki = {
-  #    serverName = "loki.pepe.private";
-  #    locations."/" = {
-  #      proxyWebsockets = true;
-  #      proxyPass = "http://127.0.0.1:3100";
-  #      #extraConfig = ''
-  #      #  access_log off;
-  #      #  allow ${config.tinc.private.subnet};
-  #      #  deny all;
-  #      #'';
-  #    };
-  #  };
-  #};
+  services.grafana.provision.datasources.settings = {
+    apiVersion = 1;
+    datasources = [
+      {
+        name = "Loki";
+        type = "loki";
+        uid = "loki01";
+        url = "http://localhost:${toString config.services.loki.configuration.server.http_listen_port}";
+      }
+    ];
+  };
 
 }
diff --git a/nixos/machines/chungus/telemetry/prometheus.nix b/nixos/machines/chungus/telemetry/prometheus.nix
index 2e74728..14aea33 100644
--- a/nixos/machines/chungus/telemetry/prometheus.nix
+++ b/nixos/machines/chungus/telemetry/prometheus.nix
@@ -20,4 +20,17 @@
     # keep data for 30 days
     extraFlags = [ "--storage.tsdb.retention.time=90d" ];
   };
+
+  services.grafana.provision.datasources.settings = {
+    apiVersion = 1;
+    datasources = [
+      {
+        name = "Prometheus";
+        type = "prometheus";
+        uid = "prometheus01";
+        url = "http://localhost:${toString config.services.prometheus.port}";
+      }
+    ];
+  };
+
 }