Bug 50413 - DNS records without dnsRecord not created in UCS-UDM
Summary: DNS records without dnsRecord not created in UCS-UDM
Status: RESOLVED WONTFIX
Alias: None
Product: UCS
Classification: Unclassified
Component: S4 Connector
Version: UCS 4.4
Hardware: Other Linux
: P5 normal
Target Milestone: ---
Assignee: Samba maintainers
QA Contact: Samba maintainers
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Reported: 2019-10-25 17:01 CEST by Florian Best
Modified: 2024-06-27 12:10 CEST (History)
2 users (show)

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What kind of report is it?: Development Internal
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Description Florian Best univentionstaff 2019-10-25 17:01:51 CEST
Empty DNS records without dnsRecord arent' synchronized from Samab4 → UCS-UDM:
dn: DC=host_record4,DC=school.dev,CN=MicrosoftDNS,DC=DomainDnsZones,DC=school,DC=dev
objectClass: top
objectClass: dnsNode
name: host_record4
dc: host_record4

Logfile:
12.10.2019 00:27:46.839 LDAP        (INFO   ): object_from_element: olddn:
12.10.2019 00:27:46.842 LDAP        (INFO   ): _ignore_object: Do not ignore DC=host_record4,DC=school.dev,CN=MicrosoftDNS,DC=DomainDnsZones,DC=school,DC=dev
12.10.2019 00:27:46.843 LDAP        (INFO   ): _object_mapping: map with key dns and type con
12.10.2019 00:27:46.844 LDAP        (INFO   ): _dn_type con
12.10.2019 00:27:46.849 LDAP        (INFO   ): dns_dn_mapping: check newdn for key 'dn'
12.10.2019 00:27:46.849 LDAP        (INFO   ): dns_dn_mapping: not premapped (in first instance)
12.10.2019 00:27:46.850 LDAP        (INFO   ): dns_dn_mapping: dn: DC=host_record4,DC=school.dev,CN=MicrosoftDNS,DC=DomainDnsZones,DC=school,DC=dev
12.10.2019 00:27:46.850 LDAP        (INFO   ): dns_dn_mapping: got an S4-Object
12.10.2019 00:27:46.850 LDAP        (INFO   ): dns_dn_mapping: get dns_dn_mapping for DC=school.dev,CN=MicrosoftDNS,DC=DomainDnsZones,DC=school,DC=dev
12.10.2019 00:27:46.850 LDAP        (INFO   ): dns_dn_mapping: check newdn for key 'dn'
12.10.2019 00:27:46.851 LDAP        (INFO   ): dns_dn_mapping: not premapped (in first instance)
12.10.2019 00:27:46.851 LDAP        (INFO   ): dns_dn_mapping: dn: DC=school.dev,CN=MicrosoftDNS,DC=DomainDnsZones,DC=school,DC=dev
12.10.2019 00:27:46.851 LDAP        (INFO   ): dns_dn_mapping: got an S4-Object
12.10.2019 00:27:46.851 LDAP        (INFO   ): dns_dn_mapping: UCS filter: (&(objectClass=dNSZone)(zoneName=school.dev))
12.10.2019 00:27:46.851 LDAP        (INFO   ): dns_dn_mapping: UCS base: l=school,l=dev
12.10.2019 00:27:46.853 LDAP        (INFO   ): dns_dn_mapping: newdn is ucsdn
12.10.2019 00:27:46.853 LDAP        (INFO   ): dns_dn_mapping: mapping for key 'dn':
12.10.2019 00:27:46.853 LDAP        (INFO   ): dns_dn_mapping: source DN: DC=school.dev,CN=MicrosoftDNS,DC=DomainDnsZones,DC=school,DC=dev
12.10.2019 00:27:46.853 LDAP        (INFO   ): dns_dn_mapping: mapped DN: zoneName=school.dev,cn=dns,l=school,l=dev
12.10.2019 00:27:46.853 LDAP        (INFO   ): dns_dn_mapping: check newdn for key 'olddn'
12.10.2019 00:27:46.854 LDAP        (INFO   ): dns_dn_mapping: UCS filter: (&(objectClass=dNSZone)(relativeDomainName=host_record4))
12.10.2019 00:27:46.854 LDAP        (INFO   ): dns_dn_mapping: UCS base: zoneName=school.dev,cn=dns,l=school,l=dev
12.10.2019 00:27:46.854 LDAP        (INFO   ): dns_dn_mapping: mapping for key 'dn':
12.10.2019 00:27:46.855 LDAP        (INFO   ): dns_dn_mapping: source DN: DC=host_record4,DC=school.dev,CN=MicrosoftDNS,DC=DomainDnsZones,DC=school,DC=dev
12.10.2019 00:27:46.855 LDAP        (INFO   ): dns_dn_mapping: mapped DN: relativeDomainName=host_record4,zoneName=school.dev,cn=dns,l=school,l=dev
12.10.2019 00:27:46.855 LDAP        (INFO   ): dns_dn_mapping: check newdn for key 'olddn'
12.10.2019 00:27:46.856 LDAP        (INFO   ): _ignore_object: Do not ignore relativeDomainName=host_record4,zoneName=school.dev,cn=dns,l=school,l=dev
12.10.2019 00:27:46.856 LDAP        (INFO   ): get_ucs_object: object not found: relativeDomainName=host_record4,zoneName=school.dev,cn=dns,l=school,l=dev
12.10.2019 00:27:46.856 LDAP        (PROCESS): sync to ucs:   [           dns] [       add] u'relativeDomainName=host_record4,zoneName=school.dev,cn=dns,l=school,l=dev'
12.10.2019 00:27:46.857 LDAP        (INFO   ): sync_to_ucs: set position to zoneName=school.dev,cn=dns,l=school,l=dev
12.10.2019 00:27:46.857 LDAP        (INFO   ): The following attributes have been changed: []
12.10.2019 00:27:46.857 LDAP        (INFO   ): sync_to_ucs: lock S4 guid: 338a814f-ca9c-49c4-b893-f8bb9d6ac740
12.10.2019 00:27:46.857 LDAP        (INFO   ): LockingDB: Execute SQL command: 'SELECT id FROM S4_LOCK WHERE guid=?;', '('338a814f-ca9c-49c4-b893-f8bb9d6ac740',)'
12.10.2019 00:27:46.858 LDAP        (INFO   ): LockingDB: Return SQL result: '[]'
12.10.2019 00:27:46.858 LDAP        (INFO   ): LockingDB: Execute SQL command: 'INSERT INTO S4_LOCK(guid) VALUES(?);', '('338a814f-ca9c-49c4-b893-f8bb9d6ac740',)'
12.10.2019 00:27:46.860 LDAP        (INFO   ): dns con2ucs: Object (relativeDomainName=host_record4,zoneName=school.dev,cn=dns,l=school,l=dev): {'dn': u'relativeDomainName=host_record4,zoneName=school.dev,cn=dns,l=school,l=dev', 'attributes': {'distinguishedName': [u'DC=host_record4,DC=school.dev,CN=MicrosoftDNS,DC=DomainDnsZones,DC=school,DC=dev'], 'name': [u'host_record4'], 'objectCategory': [u'CN=Dns-Node,CN=Schema,CN=Configuration,DC=school,DC=dev'], 'objectClass': [u'top', u'dnsNode'], 'objectGUID': ['O\x81\x8a3\x9c\xca\xc4I\xb8\x93\xf8\xbb\x9dj\xc7@'], 'dc': [u'host_record4'], 'whenChanged': [u'20191011222740.0Z'], 'whenCreated': [u'20191011222740.0Z'], 'uSNChanged': [u'13529'], 'uSNCreated': [u'13529'], 'showInAdvancedViewOnly': [u'TRUE'], 'instanceType': [u'4']}, 'changed_attributes': [], 'modtype': 'add'}
12.10.2019 00:27:46.860 LDAP        (INFO   ): dns con2ucs: Ignore unknown dns object: relativeDomainName=host_record4,zoneName=school.dev,cn=dns,l=school,l=dev
12.10.2019 00:27:46.860 LDAP        (INFO   ): sync_to_ucs: unlock S4 guid: 338a814f-ca9c-49c4-b893-f8bb9d6ac740
12.10.2019 00:27:46.861 LDAP        (INFO   ): LockingDB: Execute SQL command: 'DELETE FROM S4_LOCK WHERE guid = ?;', '('338a814f-ca9c-49c4-b893-f8bb9d6ac740',)'
12.10.2019 00:27:46.862 LDAP        (INFO   ): Return  result for DN (relativeDomainName=host_record4,zoneName=school.dev,cn=dns,l=school,l=dev)
12.10.2019 00:27:46.863 LDAP        (INFO   ): _set_lastUSN: new lastUSN is: 13529

Of course, where should the S4-Connector know which UDM object type this is (dns/host_record, dns/txt_record, dns/*_record).
I think it should nevertheless either create a dns/host_record object or at least when the object then is modified, i.e.: adding dnsRecord::  BAABAAXwAAABAAAAAAADhAAAAAAAAAAABAMCAQ== the object should no longer be ignored!

Any maybe someday we should re-think our UDM conecpt of splitting each type of record into an own UDM handler and have just dns/forward_zone, dns/reverse_zone, dns/ptr_record and dns/record. The latter one should combine MX, TXT, A, aAAA, NS, etc.
Comment 1 Florian Best univentionstaff 2019-10-25 17:03:11 CEST
This is the reverse to Bug #49874.
Comment 2 Arvid Requate univentionstaff 2019-10-28 19:35:25 CET
We should not create a dns/host_record in OepnLDAP if there is no data corresponding to that in Samba/AD.
If there are DNS RR classes that are not implemented yet, then we should think about implementing them instead.
Comment 3 Jan-Luca Kiok univentionstaff 2024-06-27 12:10:58 CEST
This issue has been filed against UCS 4.4.

UCS 4.4 is out of general maintenance and components may have vastly changed in later releases. Thus, this issue is now being closed.

If this issue still occurs in newer versions, please use "Clone this bug" or reopen this issue. In this case please provide detailed information on how this issue is affecting you.