cluster/services/storage: remove checkmate from garage cluster

cluster/services/storage/default.nix

@@ -13,10 +13,9 @@ in
     nodes = {
       external = [ "prophet" ];
       heresy = [ "VEGAS" ];
-      garage = [ "checkmate" "prophet" "VEGAS" ];
+      garage = [ "prophet" "VEGAS" ];
       garageInternal = [ "VEGAS" ];
-      garageExternal = [ "checkmate" "prophet" ];
-      garageLimitMemory = [ "checkmate" ];
+      garageExternal = [ "prophet" ];
     };
     nixos = {
       external = [ ./external.nix ];
@@ -33,7 +32,6 @@ in
       ];
       garageInternal = [ ./garage-internal.nix ];
       garageExternal = [ ./garage-external.nix ];
-      garageLimitMemory = [ ./garage-limit-memory.nix ];
     };
   };
 

cluster/services/storage/garage-layout.nix

@@ -3,11 +3,15 @@
     distributed = true;
     requiredBy = [ "garage.service" ];
     after = [ "garage.service" "garage-layout-init.service" ];
-    incantations = i: [ ];
+    incantations = i: [
+      (i.runGarage ''
+        garage layout remove "$(getNodeId checkmate)"
+        garage layout apply --version 2
+      '')
+    ];
   };
 
   services.garage.layout.initial = {
-    checkmate = { zone = "eu-central"; capacity = 1000; };
     prophet = { zone = "eu-central"; capacity = 1000; };
     VEGAS = { zone = "eu-central"; capacity = 1000; };
   };

cluster/services/storage/garage-limit-memory.nix

@@ -1,6 +0,0 @@
-{
-  systemd.services.garage.serviceConfig = {
-    MemoryHigh = "128M";
-    MemorySwapMax = "256M";
-  };
-}

cluster/services/storage/garage.nix

@@ -24,7 +24,7 @@ in
     enable = true;
     package = depot.packages.garage;
     settings = {
-      replication_mode = 3;
+      replication_mode = "2-dangerous";
       block_size = 16 * 1024 * 1024;
       db_engine = "lmdb";
       metadata_dir = "/var/lib/garage-metadata";