Add list of domains associated to our realm to cn=etc

Add new LDAP container to store the list of domains associated with IPA realm.
Add two new ipa commands (ipa realmdomains-show and ipa realmdomains-mod) to allow
manipulation of the list of realm domains.
Unit test file covering these new commands was added.

https://fedorahosted.org/freeipa/ticket/2945

1 files changed, 21 insertions, 0 deletions

diff --git a/ipalib/util.py b/ipalib/util.py
index a92e68c4a..9ed27c84e 100644
--- a/ipalib/util.py
+++ b/ipalib/util.py
@@ -105,6 +105,27 @@ def validate_host_dns(log, fqdn):
         )
         raise errors.DNSNotARecordError()
 
+
+def has_soa_or_ns_record(domain):
+    """
+    Checks to see if given domain has SOA or NS record.
+    Returns True or False.
+    """
+    try:
+        resolver.query(domain, rdatatype.SOA)
+        soa_record_found = True
+    except DNSException:
+        soa_record_found = False
+
+    try:
+        resolver.query(domain, rdatatype.NS)
+        ns_record_found = True
+    except DNSException:
+        ns_record_found = False
+
+    return soa_record_found or ns_record_found
+
+
 def normalize_name(name):
     result = dict()
     components = name.split('@')