From a7408b880031cab8a13a0d447fae4cc3b31dfd00 Mon Sep 17 00:00:00 2001
From: h7x4 <h7x4@nani.wtf>
Date: Sat, 21 Jan 2023 19:55:29 +0100
Subject: [PATCH] ildkule: restructure prometheus config

---
 hosts/ildkule/services/metrics/default.nix    |  2 +-
 hosts/ildkule/services/metrics/prometheus.nix | 68 -------------------
 .../services/metrics/prometheus/default.nix   | 14 ++++
 .../metrics/prometheus/matrix-synapse.nix     | 40 +++++++++++
 .../services/metrics/prometheus/node.nix      | 20 ++++++
 .../{ => prometheus}/rules/synapse-v2.rules   |  0
 6 files changed, 75 insertions(+), 69 deletions(-)
 delete mode 100644 hosts/ildkule/services/metrics/prometheus.nix
 create mode 100644 hosts/ildkule/services/metrics/prometheus/default.nix
 create mode 100644 hosts/ildkule/services/metrics/prometheus/matrix-synapse.nix
 create mode 100644 hosts/ildkule/services/metrics/prometheus/node.nix
 rename hosts/ildkule/services/metrics/{ => prometheus}/rules/synapse-v2.rules (100%)

diff --git a/hosts/ildkule/services/metrics/default.nix b/hosts/ildkule/services/metrics/default.nix
index 3493e56..a0a6a40 100644
--- a/hosts/ildkule/services/metrics/default.nix
+++ b/hosts/ildkule/services/metrics/default.nix
@@ -2,7 +2,7 @@
 
 {
   imports = [
-    ./prometheus.nix
+    ./prometheus
     ./grafana.nix
     ./loki.nix
   ];
diff --git a/hosts/ildkule/services/metrics/prometheus.nix b/hosts/ildkule/services/metrics/prometheus.nix
deleted file mode 100644
index 90bba88..0000000
--- a/hosts/ildkule/services/metrics/prometheus.nix
+++ /dev/null
@@ -1,68 +0,0 @@
-{ config, pkgs, ... }:
-
-let
-  cfg = config.services.prometheus;
-in {
-  services.prometheus = {
-    enable = true;
-    listenAddress = "127.0.0.1";
-    port = 9001;
-
-    scrapeConfigs = [
-      {
-        job_name = "node";
-        static_configs = [
-          {
-            targets = [
-              "ildkule.pvv.ntnu.no:${toString cfg.exporters.node.port}"
-              "microbel.pvv.ntnu.no:9100"
-              "isvegg.pvv.ntnu.no:9100"
-              "knakelibrak.pvv.ntnu.no:9100"
-              "hildring.pvv.ntnu.no:9100"
-              "bicep.pvv.ntnu.no:9100"
-              "jokum.pvv.ntnu.no:9100"
-            ];
-          }
-        ];
-      }
-      {
-        job_name = "synapse";
-        scrape_interval = "15s";
-        scheme = "https";
-        http_sd_configs = [
-          {
-            url = "https://matrix.pvv.ntnu.no/metrics/config.json";
-          }
-        ];
-        relabel_configs = [
-          {
-            source_labels = [ "__address__" ];
-            regex = "[^/]+(/.*)";
-            target_label = "__metrics_path__";
-          }
-          {
-            source_labels = [ "__address__" ];
-            regex = "([^/]+)/.*";
-            target_label = "instance";
-          }
-          {
-            source_labels = [ "__address__" ];
-            regex = "[^/]+\\/+[^/]+/(.*)/\\d+$";
-            target_label = "job";
-          }
-          {
-            source_labels = [ "__address__" ];
-            regex = "[^/]+\\/+[^/]+/.*/(\\d+)$";
-            target_label = "index";
-          }
-          {
-            source_labels = [ "__address__" ];
-            regex = "([^/]+)/.*";
-            target_label = "__address__";
-          }
-        ];
-      }
-    ];
-    ruleFiles = [ rules/synapse-v2.rules ];
-  };
-}
diff --git a/hosts/ildkule/services/metrics/prometheus/default.nix b/hosts/ildkule/services/metrics/prometheus/default.nix
new file mode 100644
index 0000000..21f689b
--- /dev/null
+++ b/hosts/ildkule/services/metrics/prometheus/default.nix
@@ -0,0 +1,14 @@
+{ config, ... }: {
+  imports = [
+    ./node.nix
+    ./matrix-synapse.nix
+  ];
+  
+  services.prometheus = {
+    enable = true;
+    listenAddress = "127.0.0.1";
+    port = 9001;
+
+    ruleFiles = [ rules/synapse-v2.rules ];
+  };
+}
diff --git a/hosts/ildkule/services/metrics/prometheus/matrix-synapse.nix b/hosts/ildkule/services/metrics/prometheus/matrix-synapse.nix
new file mode 100644
index 0000000..8a9f400
--- /dev/null
+++ b/hosts/ildkule/services/metrics/prometheus/matrix-synapse.nix
@@ -0,0 +1,40 @@
+{ ... }:
+{
+  services.prometheus.scrapeConfigs = [{
+    job_name = "synapse";
+    scrape_interval = "15s";
+    scheme = "https";
+
+    http_sd_configs = [{
+      url = "https://matrix.pvv.ntnu.no/metrics/config.json";
+    }];
+
+    relabel_configs = [
+      {
+        source_labels = [ "__address__" ];
+        regex = "[^/]+(/.*)";
+        target_label = "__metrics_path__";
+      }
+      {
+        source_labels = [ "__address__" ];
+        regex = "([^/]+)/.*";
+        target_label = "instance";
+      }
+      {
+        source_labels = [ "__address__" ];
+        regex = "[^/]+\\/+[^/]+/(.*)/\\d+$";
+        target_label = "job";
+      }
+      {
+        source_labels = [ "__address__" ];
+        regex = "[^/]+\\/+[^/]+/.*/(\\d+)$";
+        target_label = "index";
+      }
+      {
+        source_labels = [ "__address__" ];
+        regex = "([^/]+)/.*";
+        target_label = "__address__";
+      }
+    ];
+  }];
+}
diff --git a/hosts/ildkule/services/metrics/prometheus/node.nix b/hosts/ildkule/services/metrics/prometheus/node.nix
new file mode 100644
index 0000000..23a1969
--- /dev/null
+++ b/hosts/ildkule/services/metrics/prometheus/node.nix
@@ -0,0 +1,20 @@
+{ config, ... }: let
+  cfg = config.services.prometheus;
+in {
+  services.prometheus.scrapeConfigs = [{
+    job_name = "node";
+    static_configs = [
+      {
+        targets = [
+          "ildkule.pvv.ntnu.no:${toString cfg.exporters.node.port}"
+          "microbel.pvv.ntnu.no:9100"
+          "isvegg.pvv.ntnu.no:9100"
+          "knakelibrak.pvv.ntnu.no:9100"
+          "hildring.pvv.ntnu.no:9100"
+          "bicep.pvv.ntnu.no:9100"
+          "jokum.pvv.ntnu.no:9100"
+        ];
+      }
+    ];
+  }];
+}
diff --git a/hosts/ildkule/services/metrics/rules/synapse-v2.rules b/hosts/ildkule/services/metrics/prometheus/rules/synapse-v2.rules
similarity index 100%
rename from hosts/ildkule/services/metrics/rules/synapse-v2.rules
rename to hosts/ildkule/services/metrics/prometheus/rules/synapse-v2.rules