Thanks for looking into this!

I was finally able to import all 11811 user records into IPA, but even now, 
when I re-run the migrate, I get the same failure.

I enabled debug in the default.cfg, and this is the tail of the httpd error_log:

.
.
.
 [Fri Jan 16 09:28:29.046991 2015] [:error] [pid 14924] ipa: WARNING: GID 
number 11 of migrated user andy does not point to a known group.
[Fri Jan 16 09:28:29.051353 2015] [:error] [pid 14924] ipa: INFO: 
ad...@idmtest.example.com: migrate_ds(u'ldap://10.x.x.x:389', u'********', 
binddn=u'uid=me,ou=people,ou=agroup,dc=example,dc=com', 
usercontainer=u'ou=people', groupcontainer=u'ou=groups', 
userobjectclass=(u'person',), groupobjectclass=(u'groupOfUniqueNames', 
u'groupOfNames'), userignoreobjectclass=None, userignoreattribute=None, 
groupignoreobjectclass=None, groupignoreattribute=None, 
groupoverwritegid=False, schema=u'RFC2307bis', continue=True, 
basedn=u'ou=agroup,dc=example,dc=com', compat=False, version=u'2.65', 
exclude_groups=None, exclude_users=None): NetworkError
[Fri Jan 16 09:28:29.051428 2015] [:error] [pid 14924] ipa: DEBUG: response: 
NetworkError: cannot connect to 'ldap://10.x.x.x:389':
[Fri Jan 16 09:28:29.054057 2015] [:error] [pid 14924] ipa: DEBUG: no session 
id in request, generating empty session data with 
id=c0d2c8b3803593b30684e15ff1f57e0e
[Fri Jan 16 09:28:29.054173 2015] [:error] [pid 14924] ipa: DEBUG: store 
session: session_id=c0d2c8b3803593b30684e15ff1f57e0e 
start_timestamp=2015-01-16T09:28:29 access_timestamp=2015-01-16T09:28:29 
expiration_timestamp=1969-12-31T18:00:00
[Fri Jan 16 09:28:29.054395 2015] [:error] [pid 14924] ipa: DEBUG: 
finalize_kerberos_acquisition: xmlserver 
ccache_name="FILE:/run/httpd/krbcache/krb5cc_apache_zTGsku" 
session_id="c0d2c8b3803593b30684e15ff1f57e0e"
[Fri Jan 16 09:28:29.054463 2015] [:error] [pid 14924] ipa: DEBUG: reading 
ccache data from file "/run/httpd/krbcache/krb5cc_apache_zTGsku"
[Fri Jan 16 09:28:29.054851 2015] [:error] [pid 14924] ipa: DEBUG: 
get_credential_times: 
principal=HTTP/myipatestserver.example....@idmtest.example.com, 
authtime=01/15/15 16:44:10, starttime=01/15/15 16:44:17, endtime=01/16/15 
16:44:04, renew_till=12/31/69 18:00:00
[Fri Jan 16 09:28:29.055014 2015] [:error] [pid 14924] ipa: DEBUG: KRB5_CCache 
FILE:/run/httpd/krbcache/krb5cc_apache_zTGsku endtime=1421448244 (01/16/15 
16:44:04)
[Fri Jan 16 09:28:29.055109 2015] [:error] [pid 14924] ipa: DEBUG: 
set_session_expiration_time: duration_type=inactivity_timeout duration=1200 
max_age=1421447944 expiration=1421423309.06 (2015-01-16T09:48:29)
[Fri Jan 16 09:28:29.055217 2015] [:error] [pid 14924] ipa: DEBUG: store 
session: session_id=c0d2c8b3803593b30684e15ff1f57e0e 
start_timestamp=2015-01-16T09:28:29 access_timestamp=2015-01-16T09:28:29 
expiration_timestamp=2015-01-16T09:48:29
[Fri Jan 16 09:28:29.055806 2015] [:error] [pid 14924] ipa: DEBUG: Destroyed 
connection context.ldap2_140392345753040
[Fri Jan 16 09:28:29.056471 2015] [:error] [pid 14924] ipa: DEBUG: Destroyed 
connection context.ldap2

One thing that is also confusing me, is that I am getting this error:
[Fri Jan 16 09:28:29.007575 2015] [:error] [pid 14924] ipa: WARNING: GID number 
11 of migrated user anyone does not point to a known group.

And it never migrates my groups.  The ou=Groups is used in my source openLDAP 
tree, so I'm not sure why it wouldn't migrate.
Bill
-----Original Message-----
From: Martin Kosek [mailto:mko...@redhat.com]
Sent: Friday, January 16, 2015 2:25 AM
To: Ludwig Krispenz
Cc: Quayle, Bill; 'freeipa-users@redhat.com'
Subject: Re: [Freeipa-users] migrate-ds aborts

On 01/16/2015 09:14 AM, Ludwig Krispenz wrote:
>
> On 01/16/2015 08:43 AM, Martin Kosek wrote:
>> On 01/15/2015 06:31 PM, Quayle, Bill wrote:
>>> I am migrating an openLDAP tree into ipa, and when I run ipa
>>> migrate-ds, the migration aborts after roughly 36 seconds with:
>>>
>>> ipa: ERROR: cannot connect to 'ldap://10.x.x.x:389':
>>>
>>> It has transferred 9762 records, but seems to hit a timeout that
>>> causes it to stop.
>>>
>>> I've run it in debug mode, which only provides this:
>>>
>>> ipa: DEBUG: Starting external process
>>>
>>> ipa: DEBUG: args=keyctl pupdate 774698354
>>>
>>> ipa: DEBUG: Process finished, return code=0
>>>
>>> ipa: DEBUG: stdout=
>>>
>>> ipa: DEBUG: stderr=
>>>
>>> ipa: DEBUG: Caught fault 907 from server
>>> https://foo.example.com/ipa/session/xml: cannot connect to
>>> 'ldap://10.x.x.x:389':
>>>
>>> ipa: DEBUG: Destroyed connection context.xmlclient
>>>
>>> ipa: ERROR: cannot connect to 'ldap://10.x.x.x:389':
>>>
>>> Initially, it had transferred 2000 records and stopped, until I set
>>> nsslapd-sizelimit in cn=config:
>>>
>>> nsslapd-sizelimit: 20000
>>>
>>> I then re-ran the migration a dozen times, each time it would
>>> transfer more records, but would always time out at around the 36
>>> second mark.  Now that I'm at 9762 records, it seems to have reached a peak.
>>>
>>> I suspect this is another tunable, but haven't been able to find it,
>>> any document that mentions it, or anyone else hitting this issue.
>>>
>>> RHEL 7.0 server
>>>
>>> idM ipa-server-3.3.3-28
>>>
>>> source is RHEL 6.5 running openldap-2.4.23-34
>>>
>>> command used to migrate:
>>>
>>> ipa migrate-ds --continue 
>>> --bind-dn="uid=me,ou=people,ou=foo,dc=example,dc=com"
>>> --base-dn="ou=foo,dc=example,dc=com" ldap://10.x.x.x:389
>>>
>>> *Cheers,*
>>>
>>> *-Bill*
>>
>> Ludwig, do you know? I am just thinking it may be also caused by some
>> form of timelimit, as mentioned in
>>
>> https://access.redhat.com/documentation/en-US/Red_Hat_Directory_Serve
>> r/8.2/html/Administration_Guide/User_Account_Management-Setting_Resou
>> rce_Limits_Based_on_the_Bind_DN.html
>>
>>
>> (those apply both for bind DNs and global cn=config). Maybe
>> nsslapd-timelimit could be increased? Although I saw the default is
>> 3600, I assume it means 1 hour, i.e. not being the root cause.
> we need the access and error logs from DS, if it is a DS limit it
> should be seen in the err code.

+1

> Could it be that migrate-ds has it's own limit waiting for a repsponse from 
> DS ?

The search itself in migrate-ds is limit-less:

             try:
                 entries, truncated = ds_ldap.find_entries(
                     search_filter, ['*'], search_bases[ldap_obj_name],
                     ds_ldap.SCOPE_ONELEVEL,
                     time_limit=0, size_limit=-1,
                     search_refs=True    # migrated DS may contain search
references
                 )
              except...

Bill, I am wondering, could you add debug=True to /etc/ipa/default.conf on your 
server, reload the httpd process and re-run the migration? It should print 
additional debugging information that may help us.

Martin

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