[GRASSLIST:4248] Re: DBMI-Postgres driver error
Martin Wegmann
wegmann at biozentrum.uni-wuerzburg.de
Wed Aug 25 09:47:45 EDT 2004
On Wednesday 25 August 2004 15:11, Radim Blazek wrote:
> Does 'psql -h 127.0.0.1 -U baliola grass_test' work?
no, I get
psql -h 127.0.0.1 -U baliola grass_test
psql: FATAL: IDENT authentication failed for user "baliola"
well, I assume it is rather a postgresql problem (better: rather a postgres
newbie user problem ,-) ) - if nobody knows the answer on this ML I will
post onto the PGSQL ML.
> Try to run
> g.gisenv set=DEBUG=5
> db.tables -p
> to see if database definition is parsed well.
GRASS 5.7.0:~ > g.gisenv set=DEBUG=5
GRASS 5.7.0:~ > db.tables -p
D3/5: db_driver_open_database() driver=pg database definition =
'host=127.0.0.1,dbname=grass_test,user=baliola'
D3/5: parse_conn : host=127.0.0.1,dbname=grass_test,user=baliola
D3/5: token 0 : host=127.0.0.1
D3/5: token 1 : dbname=grass_test
D3/5: token 2 : user=baliola
D3/5: host = 127.0.0.1, port = (null), options = (null), tty = (null), dbname
= grass_test, user = baliola, password = (null)
D3/5: User/password missing
DBMI-Postgres driver error:
cannot get user/password
cheers Martin
>
> Radim
>
> On Wednesday 25 August 2004 14:47, Martin Wegmann wrote:
> > On Tuesday 24 August 2004 08:17, Sabine Grabner wrote:
> > > hello martin, `trust` is possibly not what you want, as your data are
> > > not safe in this case. i used `md5`.
> >
> > well at the moment it is not important that the data is safe - it's just
> > a trial on my computer.
> > Despite the change to trust I still get the error messages.
> > I listed below what I did:
> >
> > I replaced "ident" in /etc/postgresql/pg_hba.conf to "trust" where
> > localhost:
> >
> > # TYPE DATABASE USER IP-ADDRESS IP-MASK
> > METHOD # Database administrative login by UNIX sockets
> > local all postgres ident
> > sameuser
> > #
> > # All other connections by UNIX sockets
> > local all all ident
> > sameuser
> > #
> > # All IPv4 connections from localhost
> > host all all 127.0.0.1 255.255.255.255 trust
> > sameuser
> > #
> > # All IPv6 localhost connections
> > host all all ::1
> > ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff trust sameuser
> > host all all ::ffff:127.0.0.1/128 trust
> > sameuser
> > #
> > # reject all other connection attempts
> > host all all 0.0.0.0 0.0.0.0
> > reject
> >
> > psql grass_test
> > create user baliola;
> >
> > grass_test=# select * from pg_shadow;
> > usename | usesysid | usecreatedb | usesuper | usecatupd | passwd |
> > valuntil
> >
> > | useconfig
> >
> > ----------+----------+-------------+----------+-----------+--------+-----
> >-- ---+----------- postgres | 1 | t | t | t
> > |
> >
> >
> > baliola | 100 | f | f | f | |
> >
> > (2 rows)
> >
> >
> > but when I start grass57 and do:
> >
> > GRASS 5.7.0:~ > db.connect driver=pg
> > database="host=127.0.0.1,dbname=grass_test,user=baliola"
> > driver:pg
> > database:host=127.0.0.1,dbname=grass_test,user=baliola
> >
> > db.test test1
> >
> > create table grass_test1 (i1 integer, d1 double precision, c1
> > varchar(20)) DBMI-Postgres driver error:
> > cannot get user/password
> > [....]
> > EXECUTE: ******** ERROR ********
> > 0a1,3
> >
> > > 1|123.456000|abcd|
> > > 3|0.000000|_\'_|
> > > 2|18.600000|xxx|987
> >
> > RESULT: ******** ERROR ********
> > drop table grass_test1
> > DBMI-Postgres driver error:
> > cannot get user/password
> >
> > any idea what I did wrong?
> > Cheers Martin
> >
> > > Zitat von Martin Wegmann <wegmann at biozentrum.uni-wuerzburg.de>:
> > > > On Monday 23 August 2004 16:23, Radim Blazek wrote:
> > > > > And 'psql -h localhost grass_test'?
> > > > > Maybe you need to edit pg_hba.conf.
> > > >
> > > > psql -h localhost grass_test
> > > > psql: FATAL: IDENT authentication failed for user "baliola"
> > > >
> > > > the non # part of pg_hba.conf looks like:
> > > >
> > > > #
> > > > # TYPE DATABASE USER IP-ADDRESS IP-MASK
> > > > METHOD # Database administrative login by UNIX sockets
> > > > local all postgres
> > > > ident sameuser
> > > > #
> > > > # All other connections by UNIX sockets
> > > > local all all
> > > > ident sameuser
> > > > #
> > > > # All IPv4 connections from localhost
> > > > host all all 127.0.0.1 255.255.255.255
> > > > ident sameuser
> > > > #
> > > > # All IPv6 localhost connections
> > > > host all all ::1
> > > > ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff ident sameuser
> > > > host all all ::ffff:127.0.0.1/128
> > > > ident sameuser
> > > > #
> > > > # reject all other connection attempts
> > > > host all all 0.0.0.0 0.0.0.0
> > > > reject
> > > >
> > > > I assume I have to change the 3. and 4. connection (localhost) from
> > > > ident to
> > > >
> > > > trust .
> > > >
> > > > Martin
> > > >
> > > > > Radim
> > > > >
> > > > > On Monday 23 August 2004 13:54, Martin Wegmann wrote:
> > > > > > hello Radim,
> > > > > >
> > > > > > On Monday 23 August 2004 12:43, Radim Blazek wrote:
> > > > > > > GRASS cannot store passwords, if your DB requires a password
> > > > > > > add it to the database parameter. Try psql first.
> > > > > >
> > > > > > The user is set up as a non-passwd user ('with password' is not
> > > > > > used) I can enter psql grass_test without being prompted for a
> > > > > > password.
> > > > > >
> > > > > > baliola at diomedea:~$ psql grass_test
> > > > > > Welcome to psql 7.4.3, the PostgreSQL interactive terminal.
> > > > > >
> > > > > > Type: \copyright for distribution terms
> > > > > > \h for help with SQL commands
> > > > > > \? for help on internal slash commands
> > > > > > \g or terminate with semicolon to execute query
> > > > > > \q to quit
> > > > > >
> > > > > > grass_test=#
> > > > > >
> > > > > > drop user baliola and created a new user with specifying a
> > > > > > passwd: create user baliola with password 'test';
> > > > > > however psql is not prompting for as passwd when entering the
> > > > > > grass_test db.
> > > > > >
> > > > > > exit postgres and superuser -- starting grass57 as baliola
> > > > > >
> > > > > > db.connect driver=pg
> > > > > > database="host=localhost,dbname=grass_test,user=baliola,password=
> > > > > >te st " driver:pg
> > > > > > database:host=localhost,dbname=grass_test,user=baliola,password=t
> > > > > >es t
> > > > > >
> > > > > > db.tables -p
> > > > > > DBMI-Postgres driver error:
> > > > > > Cannot connect to Postgres: FATAL: IDENT authentication failed
> > > > > > for user "baliola"
> > > > > >
> > > > > > I did it as well with ' around the password phrase -- same
> > > > > > result.
> > > > > >
> > > > > > Martin
> > > > > >
> > > > > > > Radim
> > > > > > >
> > > > > > > On Monday 23 August 2004 11:55, Martin Wegmann wrote:
> > > > > > > > hello,
> > > > > > > >
> > > > > > > > I did my first steps with postgresql and grass and ran into
> > > > > > > > some problems: First I created an user and set up a db
> > > > > > > > ("grass_test")
> > > > > > > >
> > > > > > > > starting grass (5.7.0):
> > > > > > > > db.connect driver=pg
> > > > > > > > database="host=localhost,dbname=grass_test,user=baliola"
> > > > > > > >
> > > > > > > > I am not sure if "host=localhost" is correct. In all
> > > > > > > > documents I
> > > >
> > > > read
> > > >
> > > > > > > > so far, an IP address was specified but using 127.0.0.1
> > > > > > > > resulted in the same error prompt. What do I enter when
> > > > > > > > postgresql is running locally?
> > > > > > > >
> > > > > > > > If I proceed and do 'db.test grass_test' then db.test tells
> > > > > > > > me that the db must exist.
> > > > > > > > If I do db.test test1 I get:
> > > > > > > >
> > > > > > > > DBMI-Postgres driver error:
> > > > > > > > cannot get user/password
> > > > > > > >
> > > > > > > > and various Postgresql commands
> > > > > > > >
> > > > > > > > Any idea how to solve that?
> > > > > > > >
> > > > > > > > I am still searching for a tutorial introducing people to the
> > > > > > > > postgresql inside GRASS usage, so far I found
> > > > > > > > http://mpa.itc.it/markus/shortcourse/notes6.html and
> > > > > > > > the GRASS 5.7 usage example document. any links are welcome.
> > > > > > > >
> > > > > > > > regards, Martin
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