Use the .yaml file extension for all YAML files

playbooks/roles/cert/meta/argument_specs.yaml

@@ -0,0 +1,32 @@
+---
+argument_specs:
+  main:
+    short_description: Orders and renews certificates from Let's Encrypt
+    options:
+      cert__domains:
+        description: Domains for which to issue a certificate. Must be in the same DNS zone.
+        required: true
+        type: list
+        elements: str
+      cert__owner:
+        description: Owner of the certificate files.
+        required: false
+        type: str
+        default: root
+      cert__group:
+        description: Group of the certificate files.
+        required: false
+        type: str
+        default: root
+      cert__acme_account_email:
+        description: E-Mail address for ACME account
+        required: true
+        type: str
+      cert__bind_9_host:
+        description: The machine running BIND 9.
+        required: true
+        type: str
+      cert__bind_9_zone:
+        description: The zone to use for publishing the TXT record.
+        required: true
+        type: str