refactor(schema): rename nested dict keys and simplify validation

roles/global_defaults/defaults/main.yml

@@ -11,7 +11,7 @@ hypervisor_defaults:
   storage: ""
   datacenter: ""
   cluster: ""
-  validate_certs: false
+  certs: false
   ssh: false
 
 custom_iso: false
@@ -20,7 +20,7 @@ thirdparty_preparation_tasks_path: "dropins/preparation.yml"
 system_defaults:
   type: "virtual" # virtual|physical
   os: ""
-  os_version: ""
+  version: ""
   name: ""
   id: ""
   cpus: 0
@@ -40,27 +40,28 @@ system_defaults:
   user:
     name: ""
     password: ""
-    public_key: ""
+    key: ""
   root:
     password: ""
   luks:
     enabled: false
     passphrase: ""
-    mapper_name: "SYSTEM_DECRYPTED"
-    auto_decrypt: true
-    auto_decrypt_method: "tpm2"
-    tpm2_device: "auto"
-    tpm2_pcrs: ""
-    keyfile_size: 64
+    mapper: "SYSTEM_DECRYPTED"
+    auto: true
+    method: "tpm2"
+    tpm2:
+      device: "auto"
+      pcrs: ""
+    keysize: 64
     options: "discard,tries=3"
     type: "luks2"
     cipher: "aes-xts-plain64"
     hash: "sha512"
-    iter_time: 4000
-    key_size: 512
+    iter: 4000
+    bits: 512
     pbkdf: "argon2id"
-    use_urandom: true
-    verify_passphrase: true
+    urandom: true
+    verify: true
   features:
     cis:
       enabled: false