Merge branch 'roles/logserver'

roles/logserver.nix

@@ -23,13 +23,87 @@ in
       prometheus
     ];
 
-    # Config is generated using Ansible
     services.loki = {
       enable = true;
-      configFile = /etc/loki/loki.yaml;
+      configuration = {
+        auth_enabled = false;
+
+        server = {
+          http_listen_port = 3100;
+          grpc_listen_port = 9096;
+          log_level = "error";
+          grpc_server_max_concurrent_streams = 1000;
+        };
+
+        common = {
+          instance_addr = "127.0.0.1";
+          path_prefix = "/var/lib/loki";
+          storage = {
+            filesystem = {
+              chunks_directory = "/var/lib/loki/chunks";
+              rules_directory = "/var/lib/loki/rules";
+            };
+          };
+          replication_factor = 1;
+          ring = {
+            kvstore = {
+              store = "inmemory";
+            };
+          };
+        };
+
+        query_range = {
+          results_cache = {
+            cache = {
+              embedded_cache = {
+                enabled = true;
+                max_size_mb = 100;
+              };
+            };
+          };
+        };
+
+        limits_config = {
+          metric_aggregation_enabled = true;
+          volume_enabled = true;
+        };
+
+        schema_config = {
+          configs = [
+            {
+              from = "2020-10-24";
+              store = "tsdb";
+              object_store = "filesystem";
+              schema = "v13";
+              index = {
+                prefix = "index_";
+                period = "24h";
+              };
+            }
+          ];
+        };
+
+        pattern_ingester = {
+          enabled = true;
+          metric_aggregation = {
+            loki_address = "localhost:3100";
+          };
+        };
+
+        ruler = {
+          alertmanager_url = "http://localhost:9093";
+        };
+
+        frontend = {
+          encoding = "protobuf";
+        };
+
+        analytics = {
+          reporting_enabled = false;
+        };
+      };
     };
 
-    # Config is generated declaratively
     services.prometheus = {
       enable = true;
       enableReload = true;