ipauser: Extend email addresses with default email domain if no domain is set

If there is no domain set for email addresses, extend the email addresses
with the default email domain that is gathered from the config_show output.

This fixes RHBZ#1747413 ([ansible-freeipa] user module throwing an error if..)

plugins/modules/ipauser.py

@@ -460,7 +460,8 @@ from ansible.module_utils.basic import AnsibleModule
 from ansible.module_utils._text import to_text
 from ansible.module_utils.ansible_freeipa_module import temp_kinit, \
     temp_kdestroy, valid_creds, api_connect, api_command, date_format, \
-    compare_args_ipa, module_params_get, api_check_param, api_get_realm
+    compare_args_ipa, module_params_get, api_check_param, api_get_realm, \
+    api_command_no_name
 import six
 
 
@@ -646,6 +647,14 @@ def check_parameters(module, state, action,
                     module.fail_json(msg="certmapdata: subject is missing")
 
 
+def extend_emails(email, default_email_domain):
+    if email is not None:
+        return [ "%s@%s" % (_email, default_email_domain)
+                 if "@" not in _email else _email
+                 for _email in email]
+    return email
+
+
 def gen_certmapdata_args(certmapdata):
     certificate = certmapdata.get("certificate")
     issuer = certmapdata.get("issuer")
@@ -883,6 +892,17 @@ def main():
 
         server_realm = api_get_realm()
 
+        # Default email domain
+
+        result = api_command_no_name(ansible_module, "config_show", {})
+        default_email_domain = result["result"]["ipadefaultemaildomain"][0]
+
+        # Extend email addresses
+
+        email = extend_emails(email, default_email_domain)
+
+        # commands
+
         commands = []
 
         for user in names:
@@ -949,6 +969,10 @@ def main():
                     certmapdata, noprivate, nomembers, preserve,
                     update_password)
 
+                # Extend email addresses
+
+                email = extend_emails(email, default_email_domain)
+
             elif isinstance(user, str) or isinstance(user, unicode):
                 name = user
             else: