Add keepalived to cluster

Add keepalived for the Kubernetes cluster
Set VIP to 10.42.5.1
Set *.cluster DNS resolution to this IP address
But do not move existing *.kubernetes targets, yet, as there is a need
to ensure that subnet routers are properly configured

hosts/genesis/net/hosts

@@ -23,6 +23,9 @@
 10.42.4.2 jellyfin jellyfin.thehellings.lan vm-jellyfin vm-jellyfin.thehellings.lan
 10.42.4.3 git gitlab git.thehellings.lan gitlab.thehellings.lan
 
+# VIP
+10.42.5.1 pgadmin.cluter postgres.cluster matrix.cluster
+
 # IPMI
 10.42.100.6 isaiahbmc isaiahbmc.thehellings.lan
 

hosts/isaiah/default.nix

@@ -35,7 +35,11 @@
   };
 
   greg = {
-    kubernetes.enable = true;
+    kubernetes = {
+      enable = true;
+      vipInterface = "enp38s0";
+      priority = 255;
+    };
     tailscale.enable = true;
     remote-builder.enable = true;
   };

hosts/jeremiah/default.nix

@@ -75,7 +75,11 @@ in
 
   greg = {
     home = true;
-    kubernetes.enable = true;
+    kubernetes = {
+      enable = true;
+      vipInterface = "br0";
+      priority = 254;
+    };
     tailscale.enable = true;
     remote-builder.enable = true;
   };

hosts/zeke/default.nix

@@ -17,7 +17,11 @@
 
   greg = {
     tailscale.enable = true;
-    kubernetes.enable = true;
+    kubernetes = {
+      enable = true;
+      vipInterface = "enp12s0";
+      priority = 253;
+    };
     remote-builder.enable = true;
   };