[389-devel] Odd behaviour in import

Hey there,

I'm seeing some odd behaviour in an import test. I'm seeing that a large number of entries won't import unless the directory is restarted before the import task is performed.

The error appears to be:

[25/Aug/2020:14:14:58.973490600 +1000] - WARN - import_foreman - import userRoot: Skipping entry "cn=group0,ou=Groups,dc=example,dc=com" which has no parent, ending at line 154 of file "/opt/dirsrv/var/lib/dirsrv/slapd-standalone1/ldif/4f8afb8d-ec97-4246-94a2-ec343c0eacb4.ldif"
...
[25/Aug/2020:14:14:59.307477400 +1000] - INFO - bdb_import_main - import userRoot: Import complete. Processed 14 entries (10 were skipped) in 1 seconds. (14.00 entries/sec)


This is where a newly created backend *with* example entries, then has it's entire content overwriten during an import. Anything that is underneath the ou=* entries is not imported, but the ou= and dc=are fine.

I'm wondering if this is something related to the fact we are replacing the ou= entries with different ids/nsunique ids. IE

id 3
rdn: ou=groups
objectClass: top
objectClass: organizationalunit
ou: groups
aci: (targetattr="cn || member || gidNumber || nsUniqueId || description || ob
jectClass")(targetfilter="(objectClass=groupOfNames)")(version 3.0; acl "Enab
le anyone group read"; allow (read, search, compare)(userdn="ldap:///anyone")
;)
aci: (targetattr="member")(targetfilter="(objectClass=groupOfNames)")(version
3.0; acl "Enable group_modify to alter members"; allow (write)(groupdn="ldap:
///cn=group_modify,ou=permissions,dc=example,dc=com");)
aci: (targetattr="cn || member || gidNumber || description || objectClass")(ta
rgetfilter="(objectClass=groupOfNames)")(version 3.0; acl "Enable group_admin
to manage groups"; allow (write, add, delete)(groupdn="ldap:///cn=group_admi
n,ou=permissions,dc=example,dc=com");)
creatorsName: cn=directory manager
modifiersName: cn=directory manager
createTimestamp: 20200827015033Z
modifyTimestamp: 20200827015033Z
nsUniqueId: b0fce42b-e80711ea-8141c872-2df18128
parentid: 1
entryid: 3
numSubordinates: 1

Becomes:

id 4
rdn: ou=Groups
createTimestamp: 20200224023755Z
creatorsName: cn=Manager,dc=example,dc=com
entryUUID: 67cc2212-eafa-1039-8830-152569770969
modifiersName: cn=Manager,dc=example,dc=com
modifyTimestamp: 20200224023755Z
objectClass: organizationalUnit
objectClass: top
ou: Groups
nsUniqueId: 87b64988-e68911ea-a943c898-6d74ab17
parentid: 1
entryid: 4


Given that these id's are changing I'm wondering if this is somehow breaking our import ordering? Any ideas on where I should start to investigate this?

Thanks!

—
Sincerely,

William Brown

Senior Software Engineer, 389 Directory Server
SUSE Labs
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