From 539f23daf05c81d4239b068254ff61598376da9e Mon Sep 17 00:00:00 2001
From: Seth Flynn <getchoo@tuta.io>
Date: Sat, 15 Feb 2025 00:11:43 -0500
Subject: atlas: collect more metrics for local services

---
 modules/nixos/mixins/forgejo.nix   |  8 +++++--
 systems/atlas/miniflux.nix         | 27 ++++++++++++----------
 systems/atlas/victoria-metrics.nix | 47 ++++++++++++++++++++++++++++++++++++++
 3 files changed, 68 insertions(+), 14 deletions(-)

diff --git a/modules/nixos/mixins/forgejo.nix b/modules/nixos/mixins/forgejo.nix
index a897bfb..1e575ca 100644
--- a/modules/nixos/mixins/forgejo.nix
+++ b/modules/nixos/mixins/forgejo.nix
@@ -21,13 +21,17 @@ in
 
         settings = {
           server = {
-            PROTOCOL = "http+unix";
+            PROTOCOL = "http";
             DOMAIN = lib.mkDefault ("git." + config.networking.domain);
             ROOT_URL = "https://" + forgejoCfg.settings.server.DOMAIN + "/";
 
             DISABLE_SSH = lib.mkDefault true;
           };
 
+          metrics = {
+            ENABLED = true;
+          };
+
           oauth2_client = {
             ENABLE_AUTO_REGISTRATION = lib.mkDefault true;
           };
@@ -50,7 +54,7 @@ in
     (lib.mkIf forgejoCfg.enable {
       services.nginx.virtualHosts.${forgejoCfg.settings.server.DOMAIN} = {
         locations."/" = {
-          proxyPass = "http://unix:${forgejoCfg.settings.server.HTTP_ADDR}";
+          proxyPass = "http://${forgejoCfg.settings.server.HTTP_ADDR}:${toString forgejoCfg.settings.server.HTTP_PORT}";
         };
       };
 
diff --git a/systems/atlas/miniflux.nix b/systems/atlas/miniflux.nix
index 5fd22f2..14c9fc5 100644
--- a/systems/atlas/miniflux.nix
+++ b/systems/atlas/miniflux.nix
@@ -1,6 +1,5 @@
 {
   config,
-  lib,
   secretsDir,
   ...
 }:
@@ -14,28 +13,32 @@
       adminCredentialsFile = config.age.secrets.miniflux.path;
       config = {
         BASE_URL = "https://miniflux.${config.networking.domain}";
+        LISTEN_ADDR = "localhost:7000";
+        METRICS_COLLECTOR = 1;
       };
     };
 
     nginx.virtualHosts = {
       "miniflux.getchoo.com" = {
         locations."/" = {
-          proxyPass = "http://unix:${lib.head config.systemd.sockets.miniflux.listenStreams}";
+          proxyPass = "http://${config.services.miniflux.config.LISTEN_ADDR}";
         };
       };
     };
   };
 
-  # Create the socket manually to ensure NGINX has permission for the socket's parent directory
-  # ...since for some reason Miniflux will not give it the same `0777` permission as the socket itself
-  systemd = {
-    services.miniflux = {
-      requires = [ "miniflux.socket" ];
-    };
+  /*
+    # Create the socket manually to ensure NGINX has permission for the socket's parent directory
+    # ...since for some reason Miniflux will not give it the same `0777` permission as the socket itself
+    systemd = {
+      services.miniflux = {
+        requires = [ "miniflux.socket" ];
+      };
 
-    sockets.miniflux = {
-      wantedBy = [ "sockets.target" ];
-      listenStreams = [ "/run/miniflux.sock" ];
+      sockets.miniflux = {
+        wantedBy = [ "sockets.target" ];
+        listenStreams = [ "/run/miniflux.sock" ];
+      };
     };
-  };
+  */
 }
diff --git a/systems/atlas/victoria-metrics.nix b/systems/atlas/victoria-metrics.nix
index 25f0e57..fba00ae 100644
--- a/systems/atlas/victoria-metrics.nix
+++ b/systems/atlas/victoria-metrics.nix
@@ -1,4 +1,5 @@
 {
+  config,
   lib,
   inputs,
   ...
@@ -40,11 +41,57 @@ in
 
       prometheusConfig = {
         scrape_configs = [
+          {
+            job_name = "forgejo";
+            metrics_path = "/metrics";
+            static_configs = [
+              {
+                targets = [
+                  "http://${config.services.forgejo.settings.server.HTTP_ADDR}:${toString config.services.forgejo.settings.server.HTTP_PORT}"
+                ];
+                labels.type = "forgejo";
+              }
+            ];
+          }
+
+          {
+            job_name = "miniflux";
+            metrics_path = "/metrics";
+            static_configs = [
+              {
+                targets = [ "http://${config.services.miniflux.config.LISTEN_ADDR}" ];
+                labels.type = "miniflux";
+              }
+            ];
+          }
+
           {
             job_name = "node-exporter";
             metrics_path = "/metrics";
             static_configs = remoteNodes;
           }
+
+          {
+            job_name = "victoria-logs";
+            metrics_path = "/metrics";
+            static_configs = [
+              {
+                targets = [ "localhost:9428" ];
+                labels.type = "victoria-logs";
+              }
+            ];
+          }
+
+          {
+            job_name = "victoria-metrics";
+            metrics_path = "/metrics";
+            static_configs = [
+              {
+                targets = [ "localhost${config.services.victoriametrics.listenAddress}" ];
+                labels.type = "victoria-logs";
+              }
+            ];
+          }
         ];
       };
     };
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