move monitoring setup to modules

1 files changed, 94 insertions, 0 deletions

diff --git a/modules/nixos/server/services/loki.nix b/modules/nixos/server/services/loki.nix
new file mode 100644
index 0000000..1a42637
--- /dev/null
+++ b/modules/nixos/server/services/loki.nix
@@ -0,0 +1,94 @@
+{
+  config,
+  lib,
+  ...
+}: let
+  cfg = config.getchoo.server.services.loki;
+  inherit (lib) mkEnableOption mkIf mkOption types;
+in {
+  options.getchoo.server.services.loki = {
+    enable = mkEnableOption "enable loki";
+    port = mkOption {
+      type = types.port;
+      default = 3030;
+      description = "port for loki";
+    };
+  };
+
+  config.services.loki = mkIf cfg.enable {
+    enable = true;
+    configuration = {
+      server.http_listen_port = cfg.port;
+      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 = "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";
+          };
+        };
+      };
+    };
+  };
+}