[Freeipa-devel] ipa-replica-manage del fails to delete host entry

[Tomas Babej]

On 05/06/2015 02:47 PM, Ludwig Krispenz wrote:
>
> Hi,
> in recent posts about corrupted ruvs, there also was the error about 
> failing cleanup, like:
>
> ipa-replica-manage del vm-162.idm.lab.eng.brq.redhat.com
>
> ..
> Failed to cleanup vm-162.idm.lab.eng.brq.redhat.com entries: Not 
> allowed on non-leaf entry
>
> in the access log we see
>
> [06/May/2015:14:19:11 +0200]conn=30 op=17 SRCH 
> base="cn=vm-162.idm.lab.eng.brq.redhat.com,cn=masters,cn=ipa,cn=etc,dc=idm,dc=lab,dc=eng,dc=brq,dc=redhat,dc=com" 
> scope=2 filter="(objectClass=*)" attrs=ALL
>
> [06/May/2015:14:19:11 +0200] conn=30 op=17 RESULT err=0 tag=101 
> nentries=6 etime=0 notes=U
> [06/May/2015:14:19:11 +0200] conn=30 op=18 DEL 
> dn="cn=vm-162.idm.lab.eng.brq.redhat.com,cn=masters,cn=ipa,cn=etc,dc=idm,dc=lab,dc=eng,dc=brq,dc=redhat,dc=com"
> [06/May/2015:14:19:11 +0200] conn=30 op=18 RESULT err=66 tag=107 
> nentries=0 etime=0
>
> which means that there was an attempt to remove the host before the 
> services
>
> in replica_cleanup we have:
>
> # delete master entry with all active services
>
> try:
>     dn = DN(('cn', replica), ('cn', 'masters'), ('cn', 'ipa'),('cn', 
> 'etc'), self.suffix)
>     entries = self.conn.get_entries(dn, ldap.SCOPE_SUBTREE)
>     if entries:
>         entries.sort(key=len, reverse=True)
>         for entry in entries:
>             self.conn.delete_entry(entry)
>
> this intends to delete children befor the parent, as teh dns of 
> children are longer, but get_entries does return a list of entries, 
> not DNs, and so the sorting does not work as can be seen in this example:
>
> >>> list = [('123456','A'),('123','B'),('12345678','C')]
>
> >>> list.sort(key=len,reverse=True)
>
> >>> for l in list:
>
> ...     print l
>
> ...
>
> ('123456', 'A')
>
> ('123', 'B')
>
> ('12345678', 'C')
>
>
>

A quick fix would be to use key=lambda x: len(x.dn) then.

Tomas


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