Upgraded snowfall lib

modules/nixos/services/loki/default.nix

@@ -0,0 +1,102 @@
+{
+  options,
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+with lib; let
+  cfg = config.aa.services.loki;
+  loki = config.services.loki;
+in {
+  options.aa.services.loki = with types; {
+    enable = mkEnableOption "loki";
+  };
+
+  config = mkIf cfg.enable {
+    services.loki = {
+      enable = true;
+      configuration = {
+        server.http_listen_port = 3030;
+        auth_enabled = false;
+
+        ingester = {
+          lifecycler = {
+            address = "127.0.0.1";
+            ring = {
+              kvstore = {
+                store = "inmemory";
+              };
+              replication_factor = 1;
+            };
+          };
+          # Any chunk not receiving new logs in this time will be flushed
+          chunk_idle_period = "1h";
+          # All chunks will be flushed when they hit this age
+          max_chunk_age = "1h";
+          # Loki will attempt to build chunks up to this size, flushing first
+          # if chunk_idle_period or max_chunk_age is reached first
+          chunk_target_size = 999999;
+          chunk_retain_period = "30s";
+          max_transfer_retries = 0;
+        };
+
+        schema_config = {
+          configs = [
+            {
+              from = "2022-06-06";
+              store = "boltdb-shipper";
+              object_store = "filesystem";
+              schema = "v11";
+              index = {
+                prefix = "index_";
+                period = "24h";
+              };
+            }
+          ];
+        };
+
+        storage_config = {
+          boltdb_shipper = {
+            active_index_directory = "/var/lib/loki/boltdb-shipper-active";
+            cache_location = "/var/lib/loki/boltdb-shipper-cache";
+            cache_ttl = "24h";
+            shared_store = "filesystem";
+          };
+
+          filesystem = {
+            directory = "/var/lib/loki/chunks";
+          };
+        };
+
+        limits_config = {
+          reject_old_samples = true;
+          reject_old_samples_max_age = "168h";
+        };
+
+        chunk_store_config = {
+          max_look_back_period = "0s";
+        };
+
+        table_manager = {
+          retention_deletes_enabled = false;
+          retention_period = "0s";
+        };
+
+        compactor = {
+          working_directory = "/var/lib/loki";
+          shared_store = "filesystem";
+          compactor_ring = {
+            kvstore = {
+              store = "inmemory";
+            };
+          };
+        };
+      };
+    };
+
+    networking.firewall = {
+      allowedTCPPorts = [loki.configuration.server.http_listen_port];
+    };
+  };
+}