bicep/mysql: enable userstat

hosts/bicep/services/mysql/default.nix

@@ -23,6 +23,9 @@ in
         bind-address = values.services.mysql.ipv4;
         skip-networking = 0;
 
+        # Useful for the mysqld prometheus exporter
+        userstat = 1;
+
         # This was needed in order to be able to use all of the old users
         # during migration from knakelibrak to bicep in Sep. 2023
         secure_auth = 0;
@@ -71,4 +74,16 @@ in
       ];
     };
   };
+
+  services.logrotate = lib.mkIf (cfg.settings.mysqld.slow-query-log == 1) {
+    enable = true;
+    settings.mysql-slowlog = {
+      files = [ cfg.settings.mysqld.slow-query-log-file ];
+      frequency = "weekly";
+      rotate = 12;
+      create = "0660 mysql mysql";
+      minsize = "1M";
+      compress = true;
+    };
+  };
 }

hosts/ildkule/services/monitoring/prometheus/exim.nix

@@ -1,14 +1,12 @@
 { ... }:
 {
-  services.prometheus = {
-    scrapeConfigs = [
-      {
+  services.prometheus.scrapeConfigs = [{
     job_name = "exim";
     scrape_interval = "15s";
+    scheme = "http";
+
     static_configs = [{
       targets = [ "microbel.pvv.ntnu.no:9636" ];
     }];
-      }
-    ];
-  };
+  }];
 }