feat: add packer-builder role

- limit access to workstation and gitea runners

auth_approle_packer_builder.tf

@@ -0,0 +1,15 @@
+resource "vault_approle_auth_backend_role" "packer_builder" {
+  role_name      = "terraform_nomad"
+  bind_secret_id = false
+  token_policies = [
+    "default_access",
+    "packer_builder",
+  ]
+  token_ttl     = 60
+  token_max_ttl = 120
+  token_bound_cidrs = [
+    "10.10.12.200/32",
+    "198.18.13.67/32",
+    "198.18.13.68/32",
+  ]
+}

policies.tf

@@ -13,6 +13,7 @@ locals {
     "policies/sshca",
     "policies/kv/service/glauth/services",
     "policies/kv/service/incus",
+    "policies/kv/service/packer",
     "policies/kv/service/puppetapi",
     "policies/kv/service/terraform",
   ]

policies/kv/service/packer/packer-builder.hcl

@@ -0,0 +1,3 @@
+path "kv/data/service/packer/builder/env" {
+  capabilities = ["read"]
+}