[pgpool-general: 939] Re: Issue w/ md5 auth in master/slave mode

Tatsuo Ishii ishii at postgresql.org
Fri Aug 31 10:56:45 JST 2012


It is likely you have problem with pool_hba.conf.

Have you seen this kind of message in your log file right after pgpool
starting up?

2012-08-31 10:48:27 DEBUG: pid 5274: loading "/home/t-ishii/work/git.postgresql.org/test/etc/pool_hba.conf" for client authentication configuration file

If yes, I would like to see whole pool_hba.conf.
--
Tatsuo Ishii
SRA OSS, Inc. Japan
English: http://www.sraoss.co.jp/index_en.php
Japanese: http://www.sraoss.co.jp

> Yes - I just did a diff of the two files and they are exactly the same.
> 
> I made sure (just now) to restart both postgres servers just in case.
> 
> Here's the output I'm getting from pgpool in debug mode when I try to make the connection (with sslmode=allow):
> 
> 2012-08-31 01:34:54 DEBUG: pid 21890: I am 21890 accept fd 6
> 2012-08-31 01:34:54 DEBUG: pid 21890: read_startup_packet: application_name: psql
> 2012-08-31 01:34:54 DEBUG: pid 21890: Protocol Major: 3 Minor: 0 database: mike user: mike
> 2012-08-31 01:34:54 DEBUG: pid 21890: new_connection: connecting 0 backend
> 2012-08-31 01:34:54 DEBUG: pid 21890: new_connection: connecting 1 backend
> 2012-08-31 01:34:54 DEBUG: pid 21890: pool_ssl: sending client->server SSL request
> 2012-08-31 01:34:54 DEBUG: pid 21890: pool_ssl: client->server SSL response: S
> 2012-08-31 01:34:54 DEBUG: pid 21890: pool_ssl: sending client->server SSL request
> 2012-08-31 01:34:54 DEBUG: pid 21890: pool_ssl: client->server SSL response: S
> 2012-08-31 01:34:54 DEBUG: pid 21890: pool_read_message_length: slot: 0 length: 12
> 2012-08-31 01:34:54 DEBUG: pid 21890: pool_read_message_length: slot: 1 length: 12
> 2012-08-31 01:34:54 DEBUG: pid 21890: pool_do_auth: auth kind:5
> 2012-08-31 01:34:54 DEBUG: pid 21890: I am 21890 accept fd 6
> 2012-08-31 01:34:54 DEBUG: pid 21890: Protocol Major: 1234 Minor: 5679 database:  user: 
> 2012-08-31 01:34:54 DEBUG: pid 21890: SSLRequest from client
> 2012-08-31 01:34:54 ERROR: pid 21890: pool_ssl: Loading SSL certificate: No such file or directory
> 2012-08-31 01:34:54 DEBUG: pid 21890: read_startup_packet: application_name: psql
> 2012-08-31 01:34:54 DEBUG: pid 21890: Protocol Major: 3 Minor: 0 database: mike user: mike
> 2012-08-31 01:34:54 DEBUG: pid 21890: new_connection: connecting 0 backend
> 2012-08-31 01:34:54 DEBUG: pid 21890: new_connection: connecting 1 backend
> 2012-08-31 01:34:54 DEBUG: pid 21890: pool_ssl: sending client->server SSL request
> 2012-08-31 01:34:54 DEBUG: pid 21890: pool_ssl: client->server SSL response: S
> 2012-08-31 01:34:54 DEBUG: pid 21890: pool_ssl: sending client->server SSL request
> 2012-08-31 01:34:54 DEBUG: pid 21890: pool_ssl: client->server SSL response: S
> 2012-08-31 01:34:54 DEBUG: pid 21890: pool_read_message_length: slot: 0 length: 12
> 2012-08-31 01:34:54 DEBUG: pid 21890: pool_read_message_length: slot: 1 length: 12
> 2012-08-31 01:34:54 DEBUG: pid 21890: pool_do_auth: auth kind:5
> 
> 
> And then psql's output:
> 
> ubuntu at app1:~$ psql "host=localhost port=9999 user=mike sslmode=allow"
> psql: ERROR:  MD5 authentication is unsupported in replication, master-slave and parallel modes.
> HINT:  check pg_hba.conf
> ERROR:  MD5 authentication is unsupported in replication, master-slave and parallel modes.
> HINT:  check pg_hba.conf
> 
> 
> Thanks again for your help!
> 
> On Aug 30, 2012, at 5:56 PM, Lazáro Rubén García Martínez <lgarciam at vnz.uci.cu> wrote:
> 
>> The pg_hba.conf in each postgresql server has the same configuration??
>>  
>> Regards.
>>  
>> From: pgpool-general-bounces at pgpool.net [pgpool-general-bounces at pgpool.net] On Behalf Of Michael Barrett [loki77 at gmail.com]
>> Sent: Thursday, August 30, 2012 7:00 PM
>> To: pgpool-general at pgpool.net
>> Subject: [pgpool-general: 936] Issue w/ md5 auth in master/slave mode
>> 
>> Hi, I'm working on getting pgpool working in a master/slave setup using md5 authentication.  Here's the versions of software I'm running:
>> 
>> pgpool-II-3.2.0
>> postgresql-9.1.5
>> 
>> I've setup a pool_passwd file using pg_md5 on the pgpool server for the user 'mike'.  I've also setup the user 'mike' in the postgres database and updated pg_hba.conf to allow md5 connections from the pool host.  As well I've setup pool_hba.conf  with the following entry:
>> 
>> host    all         all         127.0.0.1/32          md5
>> 
>> Whenever I try to connect (via psql) I get the following error:
>> 
>> psql: ERROR:  MD5 authentication is unsupported in replication, master-slave and parallel modes.
>> HINT:  check pg_hba.conf
>> 
>> Any idea what might be going on there?  I don't see it attempt to auth against the postgres server at all, and I'm not sure why pgpool is saying that md5 isn't allowed with master-slave mode when it sounds like it has been able to since 3.0.
>> 
>> Thanks in advance!
>> 
>> -- 
>> Michael Barrett
>> 
>> Fin a la injusticia, LIBERTAD AHORA A NUESTROS CINCO COMPATRIOTAS QUE SE ENCUENTRAN INJUSTAMENTE EN PRISIONES DE LOS EEUU!
>> http://www.antiterroristas.cu
>> http://justiciaparaloscinco.wordpress.com
>> 
>> Fin a la injusticia, LIBERTAD AHORA A NUESTROS CINCO COMPATRIOTAS QUE SE ENCUENTRAN INJUSTAMENTE EN PRISIONES DE LOS EEUU!
>> http://www.antiterroristas.cu
>> http://justiciaparaloscinco.wordpress.com
> 
> --
> Michael Barrett
> loki77 at gmail.com
> 
> 
> 
> 


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