More robust seaweedfs config.

hosts/common/seaweedfs.nix

@@ -1,23 +1,29 @@
-{ pkgs, config, ... }:
+{ pkgs, config, lib, ... }:
+with builtins;
 let
-  masters = [ "192.168.1.71:9333" "192.168.1.72:9333" "192.168.1.73:9333" ];
-  master_enabled = true; #builtins.elem config.networking.hostName masters;
+  masters = {
+    c1 = "192.168.1.71:9333";
+    c2 = "192.168.1.72:9333";
+    c3 = "192.168.1.73:9333";
+  };
+  master_enabled = masters ? ${config.networking.hostName};
 in
 {
   imports = [ ./seaweedfs_lib.nix ];
 
   services.seaweedfs.master = {
     enable = master_enabled;
-    peers = masters;
+    peers = attrValues masters;
+    extraConfig.ip = head (split ":" masters.${config.networking.hostName});
   };
   services.seaweedfs.filer = {
     enable = true;
-    master = masters;
+    master = attrValues masters;
   };
   services.seaweedfs.volumes = {
     default = {
       enable = true;
-      mserver = masters;
+      mserver = attrValues masters;
       dir = [ "/persist/weed/volume-default" ];
     };
   };
@@ -31,15 +37,11 @@ in
 
   networking.firewall.allowedTCPPorts = [
     config.services.seaweedfs.volumes.default.port
-    9333
     19333
     config.services.seaweedfs.filer.port
-    8888
     18888
-#  ] ++ (if master_enabled then [
+  ] ++ (if master_enabled then [
     config.services.seaweedfs.master.port
-    9333
     19333
-#  ] else [ ])
-   ];
+  ] else [ ]);
 }