Re: DNA plugin not working

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Hi James,

I would guess that the allocated range is exhausted, means next value reached maxValue.
Possibly part of the range was taken by an other replica.

You can try to get more details with

ldapmodify -D "cn=directory manager" -W
dn: cn=config
changetype: modify
replace: nsslapd-accesslog-level
nsslapd-acceslog-level: 260       (default level 256 plus 4 for internal operations)
-
replace: nsslapd-plugin-logging
nsslapd-plugin-logging: on

and lookup at the entry ldapsearch -D DM... -b "cn=UID numbers,cn=Distributed Numeric Assignment Plugin,cn=plugins,cn=config" -s base nscpentrywsi


best regards
thierry
On 4/13/20 8:41 PM, CHAMBERLAIN James wrote:
Hi Mark,

Thanks for getting back to me.  After adjusting nsslapd-errorlog-level, here’s what I’ve got.

# grep dna-plugin /var/log/dirsrv/slapd-example/errors
[13/Apr/2020:14:30:00.480608036 -0400] - DEBUG - dna-plugin - _dna_pre_op_add - dn does not match filter
[13/Apr/2020:14:30:00.486700059 -0400] - DEBUG - dna-plugin - _dna_pre_op_add - adding uidNumber to uid=testuser1,ou=People,dc=example,dc=com as -2
[13/Apr/2020:14:30:00.559245389 -0400] - DEBUG - dna-plugin - _dna_pre_op_add - retrieved value 0 ret 1
[13/Apr/2020:14:30:00.561303217 -0400] - ERR - dna-plugin - _dna_pre_op_add - Failed to allocate a new ID!! 2
[13/Apr/2020:14:30:00.571360868 -0400] - DEBUG - dna-plugin - dna_pre_op - Operation failure [1]

And here’s the DNA config:

dn: cn=UID numbers,cn=Distributed Numeric Assignment Plugin,cn=plugins,cn=config
objectClass: top
objectClass: extensibleObject
cn: UID numbers
dnaType: uidNumber
dnamaxvalue: 100000
dnamagicregen: 0
dnafilter: (objectclass=posixAccount)
dnascope: dc=example,dc=com
dnanextvalue: 25000

dn: cn=GID numbers,cn=Distributed Numeric Assignment Plugin,cn=plugins,cn=config
objectClass: top
objectClass: extensibleObject
cn: GID numbers
dnaType: gidNumber
dnamaxvalue: 100000
dnamagicregen: 0
dnafilter: (objectclass=posixGroup)
dnascope: dc=example,dc=com
dnanextvalue: 25000

Best regards,

James


On Apr 13, 2020, at 2:25 PM, Mark Reynolds <mreynolds@xxxxxxxxxx> wrote:

Enabling plugin logging will provide a little more detail about what is going wrong:

ldapmodify -D "cn=directory manager" -W
dn: cn=config
changetype: modify
replace: nsslapd-errorlog-level
nsslapd-errorlog-level: 65536


After running the test you can disable the debug plugin logging by setting the log level to zero.

Then share what information is logging when you add a new user.   This is most likely a configuration error so hopefully we can find out what went wrong in your set up.  Can you also provide the DNA config entries?

Thanks,

Mark

On 4/13/20 1:50 PM, CHAMBERLAIN James wrote:
Hi all,

I’m trying to use the DNA plugin to add uidNumbers on posixAccounts.  Everything worked fine in testing, but now that it’s in production I’m seeing the following error:

ERR - dna-plugin -_dna_pre_op_add - Failed to allocate a new ID!! 2

I’ve followed the advice in the knowledge base (https://access.redhat.com/solutions/875133), about adding an equality index with an nsMatchingRule of integerOrderingMatch, but have not seen any difference in the server’s behavior.  Any ideas what I should try next?

Thanks,

James
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