snmp_exporter: init

Author: MarcelCoding

hosts/svc-exp01/default.nix

@@ -2,5 +2,6 @@
   imports = [
     ./configuration.nix
     ../../modules/obs/sflow_exporter.nix
+    ../../modules/obs/snmp_exporter.nix
   ];
 }

modules/obs/prometheus-all.nix

@@ -103,6 +103,33 @@ in
           ];
         }];
       }
+      {
+        job_name = "snmp";
+        metrics_path = "/snmp";
+        params = {
+          module = [ "arista_sw" ];
+        };
+        relabel_configs = [
+          {
+            "source_labels" = [ "__address__" ];
+            "target_label" = "__param_target";
+          }
+          {
+            "source_labels" = [ "__param_target" ];
+            "target_label" = "instance";
+          }
+          {
+            "target_label" = "__address__";
+            "replacement" = "svc-exp01.dd-ix.net:9116";
+          }
+        ];
+        static_configs = [{
+          targets = [
+            "ixp-c2-sw01.dd-ix.net"
+            "ixp-cc-sw01.dd-ix.net"
+          ];
+        }];
+      }
     ];
   };
 

modules/obs/snmp_exporter.nix

@@ -0,0 +1,10 @@
+{
+  services.prometheus.exporters.snmp = {
+    enable = true;
+    configurationPath = builtins.fetchurl {
+      url = "https://raw.githubusercontent.com/prometheus/snmp_exporter/main/snmp.yml";
+      sha256 = "sha256:16w3zgi8dgwx72a47y8qywxg6dfs0p032v233m8vrn2f5biy5n25";
+    };
+    openFirewall = true;
+  };
+}