Setup ssh/promtail/loki for grafana ssh dashboard

nixos/viridian/services/loki.nix

@@ -0,0 +1,81 @@
+{ ... }:
+
+{
+  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;
+          };
+        };
+        chunk_idle_period = "1h";
+        max_chunk_age = "1h";
+        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 = "v13";
+          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";
+        allow_structured_metadata = false;  # IDK it said add this to fix some error
+      };
+
+      # 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";
+          };
+        };
+      };
+    };
+    # user, group, dataDir, extraFlags, (configFile)
+  };
+}
+