fix a bug that improperly formats OpenSSH keys in custom credential t…

…ypes

awx/main/models/credential/__init__.py

@@ -466,10 +466,14 @@ class TowerNamespace:
  if len(value):
  namespace[field_name] = value
 
- # default missing boolean fields to False
  for field in self.inputs.get('fields', []):
+ # default missing boolean fields to False
  if field['type'] == 'boolean' and field['id'] not in credential.inputs.keys():
  namespace[field['id']] = safe_namespace[field['id']] = False
+ # make sure private keys end with a \n
+ if field.get('format') == 'ssh_private_key':
+ if field['id'] in namespace and not namespace[field['id']].endswith('\n'):
+ namespace[field['id']] += '\n'
 
  file_tmpls = self.injectors.get('file', {})
  # If any file templates are provided, render the files and update the