flake: add openbao to devshell

flake.nix

@@ -334,38 +334,38 @@
             sops-nix.nixosModules.sops
           ];
         };
-      testvm01 = nixpkgs.lib.nixosSystem {
-        inherit system;
-        specialArgs = {
-          inherit inputs self sops-nix;
+        testvm01 = nixpkgs.lib.nixosSystem {
+          inherit system;
+          specialArgs = {
+            inherit inputs self sops-nix;
+          };
+          modules = [
+            (
+              { config, pkgs, ... }:
+              {
+                nixpkgs.overlays = commonOverlays;
+              }
+            )
+            ./hosts/testvm01
+            sops-nix.nixosModules.sops
+          ];
         };
-        modules = [
-          (
-            { config, pkgs, ... }:
-            {
-              nixpkgs.overlays = commonOverlays;
-            }
-          )
-          ./hosts/testvm01
-          sops-nix.nixosModules.sops
-        ];
-      };
-      vault01 = nixpkgs.lib.nixosSystem {
-        inherit system;
-        specialArgs = {
-          inherit inputs self sops-nix;
+        vault01 = nixpkgs.lib.nixosSystem {
+          inherit system;
+          specialArgs = {
+            inherit inputs self sops-nix;
+          };
+          modules = [
+            (
+              { config, pkgs, ... }:
+              {
+                nixpkgs.overlays = commonOverlays;
+              }
+            )
+            ./hosts/vault01
+            sops-nix.nixosModules.sops
+          ];
         };
-        modules = [
-          (
-            { config, pkgs, ... }:
-            {
-              nixpkgs.overlays = commonOverlays;
-            }
-          )
-          ./hosts/vault01
-          sops-nix.nixosModules.sops
-        ];
-      };
       };
       packages = forAllSystems (
         { pkgs }:
@@ -380,6 +380,7 @@
             packages = with pkgs; [
               ansible
               opentofu
+              openbao
               (pkgs.callPackage ./scripts/create-host { })
             ];
           };

services/vault/default.nix

@@ -1,8 +1,29 @@
 { ... }:
 {
-  services.vault = {
+  services.openbao = {
     enable = true;
 
-    storageBackend = "file";
+    settings = {
+      ui = true;
+
+      storage.file.path = "/var/lib/openbao";
+      listener.default = {
+        type = "tcp";
+        address = "0.0.0.0:8200";
+        tls_cert_file = "/run/credentials/openbao.service/cert.pem";
+        tls_key_file = "/run/credentials/openbao.service/key.pem";
+      };
+      listener.socket = {
+        type = "unix";
+        address = "/run/openbao/openbao.sock";
+      };
+    };
+  };
+
+  systemd.services.openbao.serviceConfig = {
+    LoadCredential = [
+      "key.pem:/var/lib/openbao/key.pem"
+      "cert.pem:/var/lib/openbao/cert.pem"
+    ];
   };
 }

terraform/vms.tf

@@ -43,6 +43,7 @@ locals {
       cpu_cores = 2
       memory    = 2048
       disk_size = "20G"
+      flake_branch = "vault-setup"  # Bootstrap from this branch instead of master
     }
   }