Merge pull request #150 from ryan4yin/p8s-scrape-configs

refactor: p8s scrape configs

hosts/idols-aquamarine/prometheus/default.nix

@@ -1,4 +1,5 @@
 {
+  lib,
   config,
   myvars,
   ...
@@ -45,23 +46,8 @@
 
     # specifies a set of targets and parameters describing how to scrape metrics from them.
     # https://prometheus.io/docs/prometheus/latest/configuration/configuration/#scrape_config
-    scrapeConfigs = [
+    scrapeConfigs =
-      # --- Hosts --- #
+      [
-      {
-        job_name = "node-exporter";
-        scrape_interval = "30s";
-        metrics_path = "/metrics";
-        static_configs = [
-          {
-            # All my NixOS hosts.
-            targets =
-              map (addr: "${addr.ipv4}:9100")
-              (builtins.attrValues myvars.networking.hostsAddr);
-            labels.type = "node";
-          }
-        ];
-      }
-
         # --- Homelab Applications --- #
 
         {
@@ -73,6 +59,7 @@
               targets = ["${myvars.networking.hostsAddr.suzi.ipv4}:9153"];
               labels.type = "app";
               labels.app = "dnsmasq";
+              labels.host = "suzi";
             }
           ];
         }
@@ -86,6 +73,7 @@
               targets = ["${myvars.networking.hostsAddr.aquamarine.ipv4}:9153"];
               labels.type = "app";
               labels.app = "v2ray";
+              labels.host = "aquamarine";
             }
           ];
         }
@@ -98,11 +86,35 @@
             {
               targets = ["${myvars.networking.hostsAddr.aquamarine.ipv4}:10000"];
               labels.type = "app";
-            labels.app = "v2ray";
+              labels.app = "sftpgo";
+              labels.host = "aquamarine";
             }
           ];
         }
+      ]
+      # --- Hosts --- #
+      ++ (
+        lib.attrsets.foldlAttrs
+        (acc: hostname: addr:
+          acc
+          ++ [
+            {
+              job_name = "node-exporter-${hostname}";
+              scrape_interval = "30s";
+              metrics_path = "/metrics";
+              static_configs = [
+                {
+                  # All my NixOS hosts.
+                  targets = ["${addr.ipv4}:9100"];
+                  labels.type = "node";
+                  labels.host = hostname;
+                }
               ];
+            }
+          ])
+        []
+        myvars.networking.hostsAddr
+      );
 
     # specifies Alertmanager instances the Prometheus server sends alerts to
     # https://prometheus.io/docs/prometheus/latest/configuration/configuration/#alertmanager_config