Re: Autofs 4->5 with LDAP problems

[Ian Kent <raven@themaw.net>]

Rob Horton wrote:
> On Fri, Aug 22, 2008 at 12:01:43PM -0400, Jeff Moyer wrote:
>   
>> Rob Horton <robh@dongle.org.uk> writes:
>>
>>     
>>> Hi,
>>>
>>> I'm having problems getting autofs5 to work with LDAP. We have a setup
>>> which works fine with autofs4 clients. Initially automount was
>>> complaining that it could not find the auto.master information, but
>>> after fiddling with the DEFAULT_MAP_OBJECT_CLASS etc entries it starts
>>> without error but doesn't appear to actually do anything (and there is
>>> no automount process). Despite turning on debugging and giving the -v
>>> and -d options I can't get any useful logging to find out what the
>>> problem is. Here's a sample of the LDAP objects:
>>>
>>> # auto.master, maths.qmul.ac.uk
>>> dn: ou=auto.master,dc=maths,dc=qmul,dc=ac,dc=uk
>>> ou: auto.master
>>> objectClass: top
>>> objectClass: automountMap
>>>
>>> # /misc, auto.master, maths.qmul.ac.uk
>>> dn: cn=/misc,ou=auto.master,dc=maths,dc=qmul,dc=ac,dc=uk
>>> objectClass: automount
>>> automountInformation: ldap:ou=auto.misc,dc=maths,dc=qmul,dc=ac,dc=uk
>>> -browse
>>> cn: /misc
>>>
>>> # orac_raid0, auto.misc, maths.qmul.ac.uk
>>> dn: cn=orac_raid0,ou=auto.misc,dc=maths,dc=qmul,dc=ac,dc=uk
>>> objectClass: automount
>>> cn: orac_raid0
>>> automountInformation:
>>> -rw,hard,rsize=32768,wsize=32768,tcp,lock,intr,quota    
>>>     orac:/orac/raid0
>>>
>>>
>>> /etc/sysconfig/autofs:
>>>
>>> DEFAULT_MAP_OBJECT_CLASS="automountMap"
>>> DEFAULT_ENTRY_OBJECT_CLASS="automount"
>>> DEFAULT_MAP_ATTRIBUTE="ou"
>>> DEFAULT_ENTRY_ATTRIBUTE="automountInformation"
>>> DEFAULT_VALUE_ATTRIBUTE="automountInformation"
>>> OPTIONS="--debug"
>>>
>>> We're running autofs-5.0.1 from Scientific Linux (RHEL clone) 5.1. I'd
>>> be grateful if anyone can spot a problem with the setup, or at least
>>> suggest how to get some more verbose output.
>>>       
>> http://people.redhat.com/jmoyer contains instructions for gathering
>> debug logs.  Please provide them here when you have them.  Please also
>> give the *exact* version of autofs you are running.  rpm -q autofs
>> should do the trick.  automount -V would also be useful, given we don't
>> know how your distribution builds it.
>>
>> Cheers,
>>
>> Jeff
>>
>>     
>
> Thanks - here's the logs that are produced with the setup above:
>
> Starting automounter version 5.0.1-0.rc2.55.el5.2, master map
> auto.master
> using kernel protocol version 5.00
> lookup_nss_read_master: reading master ldap auto.master
> parse_server_string: lookup(ldap): Attempting to parse LDAP information
> from string 
> "auto.master".
> parse_server_string: lookup(ldap): mapname auto.master
> parse_ldap_config: ldap authentication configured with the following
> options: 
> parse_ldap_config: use_tls: 0, tls_required: 0, auth_required: 1,
> sasl_mech: (null) 
> parse_ldap_config: user: (null), secret: unspecified, client principal:
> (null) 
> do_connect: auth_required: 1, sasl_mech (null)
> do_connect: lookup(ldap): ldap anonymous bind returned 0
> get_query_dn: lookup(ldap): query dn
> ou=auto.master,dc=maths,dc=qmul,dc=ac,dc=uk
> unbind_ldap_connection: use_tls: 0
> parse_init: parse(sun): init gathered global options: (null)
> mount_init: mount(bind): bind_works = 1
> do_connect: auth_required: 1, sasl_mech (null)
> do_connect: lookup(ldap): ldap anonymous bind returned 0
> lookup_read_master: lookup(ldap): searching for
> "(objectclass=automount)" under "ou=
> auto.master,dc=maths,dc=qmul,dc=ac,dc=uk"
> lookup_read_master: lookup(ldap): examining entries
>
>
> ...and that's it. Running the search at the bottom returns two objects.
> What's odd is that if DEFAULT_ENTRY is set incorrectly it runs
> as expected (it fails, but gets further):
>
>
> Starting automounter version 5.0.1-0.rc2.55.el5.2, master map
> auto.master
> using kernel protocol version 5.00
> lookup_nss_read_master: reading master ldap auto.master
> parse_server_string: lookup(ldap): Attempting to parse LDAP information
> from string "auto.master".
> parse_server_string: lookup(ldap): mapname auto.master
> parse_ldap_config: ldap authentication configured with the following
> options: 
> parse_ldap_config: use_tls: 0, tls_required: 0, auth_required: 1,
> sasl_mech: (null) 
> parse_ldap_config: user: (null), secret: unspecified, client principal:
> (null) 
> do_connect: auth_required: 1, sasl_mech (null)
> do_connect: lookup(ldap): ldap anonymous bind returned 0
> get_query_dn: lookup(ldap): query dn
> ou=auto.master,dc=maths,dc=qmul,dc=ac,dc=uk
> unbind_ldap_connection: use_tls: 0
> parse_init: parse(sun): init gathered global options: (null)
> mount_init: mount(bind): bind_works = 1
> do_connect: auth_required: 1, sasl_mech (null)
> do_connect: lookup(ldap): ldap anonymous bind returned 0
> lookup_read_master: lookup(ldap): searching for
> "(objectclass=automount)" under
> "ou=auto.master,dc=maths,dc=qmul,dc=ac,dc=uk"
> lookup_read_master: lookup(ldap): examining entries
> unbind_ldap_connection: use_tls: 0
> master_do_mount: mounting /home/network
> lookup_nss_read_map: reading map ldap
> ldap:ou=auto.home,dc=maths,dc=qmul,dc=ac,dc=uk
> parse_server_string: lookup(ldap): Attempting to parse LDAP information
> from string "ldap:ou=auto.home,dc=maths,dc=qmul,dc=ac,dc=uk".
> parse_server_string: lookup(ldap): server "(default)", base dn
> "ou=auto.home,dc=maths,dc=qmul,dc=ac,dc=uk"
> parse_ldap_config: ldap authentication configured with the following
> options: 
> parse_ldap_config: use_tls: 0, tls_required: 0, auth_required: 1,
> sasl_mech: (null) 
> parse_ldap_config: user: (null), secret: unspecified, client principal:
> (null) 
> do_connect: auth_required: 1, sasl_mech (null)
> do_connect: lookup(ldap): ldap anonymous bind returned 0
> get_query_dn: lookup(ldap): query succeeded, no matches for
> (objectclass=automountMap)
> unbind_ldap_connection: use_tls: 0
> lookup_init: lookup(ldap): failed to get query dn
> do_read_map: lookup module ldap failed
> mount_autofs_indirect: failed to read map for /home/network
> handle_mounts: mount of /home/network failed!
> master_do_mount: failed to startup mount
> master_do_mount: mounting /misc
> lookup_nss_read_map: reading map ldap
> ldap:ou=auto.misc,dc=maths,dc=qmul,dc=ac,dc=uk
> parse_server_string: lookup(ldap): Attempting to parse LDAP information
> from string "ldap:ou=auto.misc,dc=maths,dc=qmul,dc=ac,dc=uk".
> parse_server_string: lookup(ldap): server "(default)", base dn
> "ou=auto.misc,dc=maths,dc=qmul,dc=ac,dc=uk"
> parse_ldap_config: ldap authentication configured with the following
> options: 
> parse_ldap_config: use_tls: 0, tls_required: 0, auth_required: 1,
> sasl_mech: (null) 
> parse_ldap_config: user: (null), secret: unspecified, client principal:
> (null) 
> do_connect: auth_required: 1, sasl_mech (null)
>
>
> # rpm -q autofs
> autofs-5.0.1-0.rc2.55.el5.2.i386
>
> # automount -V
>
> Linux automount version 5.0.1-0.rc2.55.el5.2
>
> Directories:
> 	config dir:	/etc/sysconfig
> 	maps dir:	/etc
> 	modules dir:	/usr/lib/autofs
>
> Compile options:
>   DISABLE_MOUNT_LOCKING
>   ENABLE_IGNORE_BUSY_MOUNTS WITH_HESIOD
>   WITH_LDAP 
>   WITH_SASL 
>
>
>
>
> Any thoughts?
>   

Is automount seg faulting?
You should at least see a message in /var/log/messages.

Ian