ipalib: host_del: Extend LDAPDelete's takes_options instead of overriding

The host-del command did not accept --continue option, since the
takes_options was overriden and did not take the options from LDAPDelete.

Fix the behaviour.

https://fedorahosted.org/freeipa/ticket/4473

Reviewed-By: Jan Cholasta <jcholast@redhat.com>

API.txt

@@ -1819,8 +1819,9 @@ output: Output('completed', <type 'int'>, None)
 output: Output('failed', <type 'dict'>, None)
 output: Entry('result', <type 'dict'>, Gettext('A dictionary representing an LDAP entry', domain='ipa', localedir=None))
 command: host_del
-args: 1,2,3
+args: 1,3,3
 arg: Str('fqdn', attribute=True, cli_name='hostname', multivalue=True, primary_key=True, query=True, required=True)
+option: Flag('continue', autofill=True, cli_name='continue', default=False)
 option: Flag('updatedns?', autofill=True, default=False)
 option: Str('version?', exclude='webui')
 output: Output('result', <type 'dict'>, None)

ipalib/plugins/host.py

@@ -642,7 +642,7 @@ class host_del(LDAPDelete):
     msg_summary = _('Deleted host "%(value)s"')
     member_attributes = ['managedby']
 
-    takes_options = (
+    takes_options = LDAPDelete.takes_options + (
         Flag('updatedns?',
             doc=_('Remove entries from DNS'),
             default=False,

ipatests/test_xmlrpc/test_host_plugin.py

@@ -139,10 +139,7 @@ sshpubkeyfp = u'13:67:6B:BF:4E:A2:05:8E:AE:25:8B:A1:31:DE:6F:1B public key test
 class test_host(Declarative):
 
     cleanup_commands = [
-        ('host_del', [fqdn1], {}),
-        ('host_del', [fqdn2], {}),
-        ('host_del', [fqdn3], {}),
-        ('host_del', [fqdn4], {}),
+        ('host_del', [fqdn1, fqdn2, fqdn3, fqdn4], {'continue': True}),
         ('service_del', [service1], {}),
     ]