Re: FastCgi / PostgreSQL: FATAL: Ident authentication fai

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Hello!

Your problem is that you have the pg_hba.conf set to do an ident
authentication if the connection comes from localhost - this is the default
setting imho.
Your password settings the in the settings.py won't work since your process
will run under the Apache user, nobody or www-data usually. On connect
postgresql will check the ident of this user and this fails.
We use following setting to prevent this:
- connect not on localhost but on the external IP
- set up pg_hba.conf to use say MD5 for connections on the external IP

The difference between a FastCGI environment and your other tests is the
environment. With psql your in a shell with the correct user.
I hope this help.

-- Matthias

> -----Original Message-----
> From: pgsql-admin-owner@xxxxxxxxxxxxxx 
> [mailto:pgsql-admin-owner@xxxxxxxxxxxxxx] On Behalf Of binberati
> Sent: Wednesday, October 18, 2006 4:35 AM
> To: pgsql-admin@xxxxxxxxxxxxxx
> Subject: [ADMIN] FastCgi / PostgreSQL: FATAL: Ident 
> authentication failed for user "user_name"
> 
> 
> Hi,
> 
> I have a strange problem running Django on a GrokThis.net shared
> hosting account:
> 
> Environment:
> ------------------------------------------------------
> Apache/2.0.59 (Unix)
> mod_fastcgi/2.4.2
> PostgreSQL 8.1.3
> ------------------------------------------------------
> 
> 
> settings.py:
> ------------------------------------------------------
> DATABASE_ENGINE = 'postgresql'
> DATABASE_USER = 'user_name'
> DATABASE_PASSWORD = '***'
> ------------------------------------------------------
> or
> ------------------------------------------------------
> DATABASE_ENGINE = 'postgresql_psycopg2'
> DATABASE_USER = 'user_name'
> DATABASE_PASSWORD = '***'
> ------------------------------------------------------
> 
> 
> Django on FastCgi renders this error:
> ------------------------------------------------------
> Traceback (most recent call last):
> File 
> "/home/shared/user_name/django_src/django/template/__init__.py" in
> render_node
>   706. result = node.render(context)
> File 
> "/home/shared/user_name/django_src/django/template/__init__.py" in
> render
>   757. return self.encode_output(output) File
> "/home/shared/user_name/django_src/django/template/__init__.py" in
> encode_output
>   739. return str(output)
> File "/home/shared/user_name/django_src/django/db/models/query.py" in
> __repr__
>   97. return repr(self._get_data())
> File "/home/shared/user_name/django_src/django/db/models/query.py" in
> _get_data
>   430. self._result_cache = list(self.iterator()) File
> "/home/shared/user_name/django_src/django/db/models/query.py" in
> iterator
>   170. cursor = connection.cursor()
> File
> "/home/shared/user_name/django_src/django/db/backends/postgres
> ql/base.py"
> in cursor
>   43. self.connection = Database.connect(conn_string)
> 
>   OperationalError at /
>   FATAL: Ident authentication failed for user "user_name"
> ------------------------------------------------------
> 
> Surprisingly, I can succesfully connect to the db using either:
> 
> - psql - PostgreSQL interactive terminal
> - django-admin.py shell
> - django-admin.py dbshell
> - django development server
> - Navicat PostgreSQL from my own pc using ssh-tunnel
> 
> The only circumstance in which I cannot seem to connect to the db is
> using the FastCgi instance, although it is configured to use the same
> settings file as above...
> 
> 
> [1] Can anybody shed a light on the difference between the FastCgi
> context and the ones mentioned above? I suspect it must have something
> to do with pg_hba.conf... but I can't see the difference between the
> contexts.
> 
> [2] How do I resolve this issue? :)
> 
> 
> Thanks very much in advance!
> 
> Best regards,
> bin
> 
> 
> ---------------------------(end of 
> broadcast)---------------------------
> TIP 9: In versions below 8.0, the planner will ignore your desire to
>        choose an index scan if your joining column's datatypes do not
>        match
> 


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