fix: set loki retention period to 1 year

1 files changed, 8 insertions, 0 deletions

diff --git a/nixos/shared/monitoring.nix b/nixos/shared/monitoring.nix
index eecad59..5ef10a6 100644
--- a/nixos/shared/monitoring.nix
+++ b/nixos/shared/monitoring.nix
@@ -9,6 +9,10 @@ in
     lokiPort = lib.mkOption {
       type = lib.types.int;
     };
+    lokiRetentionStream = lib.mkOption {
+      type = lib.types.listOf lib.types.attrs;
+      default = [];
+    };
     alloyUiPort = lib.mkOption {
       type = lib.types.int;
     };
@@ -83,9 +87,13 @@ in
 
         compactor = {
           working_directory = "/var/lib/loki";
+          retention_enabled = true;
+          delete_request_store = "filesystem";
         };
 
         limits_config = {
+          retention_period = "${toString (24*365)}h";
+          retention_stream = cfg.lokiRetentionStream;
           allow_structured_metadata = true;
         };
       };