Add process exporter

common/fragments/grafana.nix

@@ -49,6 +49,16 @@
           ];
         }];
       }
+      {
+        job_name = "process";
+        static_configs = [{
+          targets = [
+            "localhost:${
+              toString config.services.prometheus.exporters.process.port
+            }"
+          ];
+        }];
+      }
     ];
   };
 }

common/fragments/prometheus_exporters.nix

@@ -20,6 +20,17 @@
         enable = true;
         port = 9003;
       };
+      process = {
+        enable = true;
+        port = 9005;
+        settings.process_names = [
+          # Remove nix store path from process name
+          {
+            name = "{{.Matches.Wrapped}} {{ .Matches.Args }}";
+            cmdline = [ "^/nix/store[^ ]*/(?P<Wrapped>[^ /]*) (?P<Args>.*)" ];
+          }
+        ];
+      };
     };
   };
 

hosts/bloodletting/configuration.nix

@@ -193,6 +193,8 @@
         proxyPass = "http://unix:/run/mastodon-streaming/streaming.socket";
         proxyWebsockets = true;
       };
+
+      extraConfig = "client_max_body_size 64M;";
     };
   };