feat(compute01): Deploy telegraf

machines/compute01/_configuration.nix

@@ -20,6 +20,7 @@ lib.extra.mkConfig {
     "outline"
     "rstudio-server"
     "satosa"
+    "telegraf"
     "vaultwarden"
     "zammad"
     "signald"

machines/compute01/secrets/secrets.nix

@@ -23,6 +23,7 @@ lib.setDefault { inherit publicKeys; } [
   "radius-key_pem_file"
   "radius-private_key_password_file"
   "satosa-env_file"
+  "telegraf-environment_file"
   "vaultwarden-environment_file"
   "zammad-secret_key_base_file"
 ]

machines/compute01/telegraf.nix

@@ -0,0 +1,43 @@
+{ config, ... }:
+
+{
+  services.telegraf = {
+    enable = true;
+
+    extraConfig = {
+      agent = {
+        interval = "10s";
+        round_interval = true;
+        metric_batch_size = 1000;
+        metric_buffer_limit = 10000;
+        collection_jitter = "0s";
+      };
+
+      inputs = {
+        diskio = {
+          device_tags = [
+            "ID_FS_TYPE"
+            "ID_FS_USAGE"
+          ];
+          name_templates = [
+            "$ID_FS_LABEL"
+            "$DM_VG_NAME/$DM_LV_NAME"
+          ];
+        };
+      };
+
+      outputs = {
+        influxdb_v2 = {
+          urls = [ "https://influx.dgnum.eu" ];
+          token = "$TELEGRAF_INFLUXDB_TOKEN";
+          organization = "dgnum";
+          bucket = "telegraf";
+        };
+      };
+    };
+
+    environmentFiles = [ config.age.secrets."telegraf-environment_file".path ];
+  };
+
+  age-secrets.autoMatch = [ "telegraf" ];
+}