Add append option to ipa_hostgroup module

Signed-off-by: Jan Sobczak <jan.sobczak@soit.com.pl>

plugins/modules/identity/ipa/ipa_hostgroup.py

@@ -14,6 +14,12 @@
 description:
 - Add, modify and delete an IPA host-group using IPA API.
 options:
+  append:
+    description:
+    - If C(yes), add the listed I(host) to the I(hostgroup).
+    - If C(no), only the listed I(host) will be in I(hostgroup), removing any other hosts.
+    default: no
+    type: bool
   cn:
     description:
     - Name of host-group.
@@ -140,6 +146,7 @@ def ensure(module, client):
     state = module.params['state']
     host = module.params['host']
     hostgroup = module.params['hostgroup']
+    append = module.params['append']
 
     ipa_hostgroup = client.hostgroup_find(name=name)
     module_hostgroup = get_hostgroup_dict(description=module.params['description'])
@@ -161,14 +168,18 @@ def ensure(module, client):
                     client.hostgroup_mod(name=name, item=data)
 
         if host is not None:
-            changed = client.modify_if_diff(name, ipa_hostgroup.get('member_host', []), [item.lower() for item in host],
-                                            client.hostgroup_add_host, client.hostgroup_remove_host) or changed
+            changed = client.modify_if_diff(name, ipa_hostgroup.get('member_host', []),
+                                            [item.lower() for item in host],
+                                            client.hostgroup_add_host,
+                                            client.hostgroup_remove_host,
+                                            append=append) or changed
 
         if hostgroup is not None:
             changed = client.modify_if_diff(name, ipa_hostgroup.get('member_hostgroup', []),
                                             [item.lower() for item in hostgroup],
                                             client.hostgroup_add_hostgroup,
-                                            client.hostgroup_remove_hostgroup) or changed
+                                            client.hostgroup_remove_hostgroup,
+                                            append=append) or changed
 
     else:
         if ipa_hostgroup:
@@ -185,7 +196,9 @@ def main():
                          description=dict(type='str'),
                          host=dict(type='list', elements='str'),
                          hostgroup=dict(type='list', elements='str'),
-                         state=dict(type='str', default='present', choices=['present', 'absent', 'enabled', 'disabled']))
+                         state=dict(type='str', default='present',
+                         choices=['present', 'absent', 'enabled', 'disabled']),
+                         append=dict(type='bool', default=False))
 
     module = AnsibleModule(argument_spec=argument_spec,
                            supports_check_mode=True)