add mimir and loki

systems/monitoring.noc.eh22.intern/mimir.nix

@@ -0,0 +1,46 @@
+{
+  pkgs,
+  config,
+  ...
+}:
+{
+  services.mimir = {
+    enable = true;
+    configuration = {
+      multitenancy_enabled = false;
+      target = "all,alertmanager";
+
+      blocks_storage = {
+        backend = "filesystem";
+      };
+
+      server = {
+        http_listen_port = 9009;
+        log_level = "warn";
+        grpc_listen_port = 9096;
+      };
+
+      ingester.ring.replication_factor = 1;
+
+      limits = {
+        ingestion_rate = 1000000; # can't set to unlimited :(
+        out_of_order_time_window = "12h";
+        max_global_series_per_user = 0; # unlimited
+        max_label_value_length = 10000; # we have pgscv queries that are LONG
+      };
+    };
+  };
+
+  services.nginx = {
+    upstreams.mimir = {
+      servers."127.0.0.1:${toString config.services.mimir.configuration.server.http_listen_port}" = { };
+      extraConfig = "keepalive 20;";
+    };
+
+    virtualHosts."mimir.noc.eh22.intern" = {
+      locations."/api/v1/push" = {
+        proxyPass = "http://mimir";
+      };
+    };
+  };
+}