Add worker nodes.

2025-12-15 22:32:32 -05:00
parent 5c58e30709
commit 19971d2463
41 changed files with 1012 additions and 165 deletions
--- a/nix/kubernetes/hosts/worker2/default.nix
+++ b/nix/kubernetes/hosts/worker2/default.nix
@@ -0,0 +1,109 @@
+# MANUAL: On client machines generate signing keys:
+#   nix-store --generate-binary-cache-key some-name /persist/manual/nix/nix-cache-key.sec /persist/manual/nix/nix-cache-key.pub
+#
+# Trust other machines and add the substituters:
+#   nix.binaryCachePublicKeys = [ "some-name:AzNW1MOlkNEsUAXS1jIFZ1QCFKXjV+Y/LrF37quAZ1A=" ];
+#   nix.binaryCaches = [ "https://test.example/nix-cache" ];
+
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+{
+  imports = [
+    ./hardware-configuration.nix
+    ./vm_disk.nix
+  ];
+
+  config = {
+    networking =
+      let
+        interface = "enp0s2";
+      in
+      {
+        # Generate with `head -c4 /dev/urandom | od -A none -t x4`
+        hostId = "ce017961";
+
+        hostName = "worker2"; # Define your hostname.
+
+        interfaces = {
+          "${interface}" = {
+            ipv4.addresses = [
+              {
+                address = "10.215.1.226";
+                prefixLength = 24;
+              }
+            ];
+
+            ipv6.addresses = [
+              {
+                address = "2620:11f:7001:7:ffff:ffff:0ad7:01e2";
+                prefixLength = 64;
+              }
+            ];
+          };
+        };
+        defaultGateway = "10.215.1.1";
+        defaultGateway6 = {
+          # address = "2620:11f:7001:7::1";
+          address = "2620:11f:7001:7:ffff:ffff:0ad7:0101";
+          inherit interface;
+        };
+        nameservers = [
+          "10.215.1.1"
+        ];
+
+        dhcpcd.enable = lib.mkForce false;
+        useDHCP = lib.mkForce false;
+      };
+
+    time.timeZone = "America/New_York";
+    i18n.defaultLocale = "en_US.UTF-8";
+
+    me.boot.enable = true;
+    me.boot.secure = false;
+    me.mountPersistence = true;
+    boot.loader.timeout = lib.mkForce 0; # We can always generate a new ISO if we need to access other boot options.
+
+    me.optimizations = {
+      enable = true;
+      arch = "znver4";
+      # build_arch = "x86-64-v3";
+      system_features = [
+        "gccarch-znver4"
+        "gccarch-skylake"
+        "gccarch-kabylake"
+        # "gccarch-alderlake" missing WAITPKG
+        "gccarch-x86-64-v3"
+        "gccarch-x86-64-v4"
+        "benchmark"
+        "big-parallel"
+        "kvm"
+        "nixos-test"
+      ];
+    };
+
+    # Mount tmpfs at /tmp
+    boot.tmp.useTmpfs = true;
+
+    # Enable TRIM
+    # services.fstrim.enable = lib.mkDefault true;
+
+    # nix.optimise.automatic = true;
+    # nix.optimise.dates = [ "03:45" ];
+    # nix.optimise.persistent = true;
+
+    environment.systemPackages = with pkgs; [
+      htop
+    ];
+
+    # nix.sshServe.enable = true;
+    # nix.sshServe.keys = [ "ssh-dss AAAAB3NzaC1k... bob@example.org" ];
+
+    me.worker_node.enable = true;
+    me.dont_use_substituters.enable = true;
+    me.minimal_base.enable = true;
+  };
+}