On Wednesday 24 Feb 2010 20:59:54 Andrew Hamilton wrote:
> I have a question hopefully someone here can help me out with. I have a
> module that I didn't write, I got it from the github. it's the postgres
> module. I'm running on CentOS 5. In the module there is this:
>
> case $ensure {
> present: {
> exec { "Create $name postgres db":
> command => "/usr/bin/createdb $ownerstring $name",
> user => "postgres",
> unless => "/usr/bin/psql -l | grep '$name *|'" *** This
> line causes an error
> }
> }
>
> The *** line causes puppet to error out like so:
>
> debug: //Node[myhost.mydomain.com]/Postgres::Role[voiceob]/Exec[Create
> puser postgres role]: Executing check '/usr/bin/psql -c '\du' | grep
> 'puser *|'' debug: Executing '/usr/bin/psql -c '\du' | grep 'puser *|''
> err: //Node[myhost.mydomain.com]/Postgres::Role[puser]/Exec[Create puser
> postgres role]: Failed to retrieve current state of resource:
>
> (This produces no output if the user doesn't exist in postgres.)
>
> Nothing more on the error line. Interestingly enough, if I remove the '|'
> (pipe) after the psql part of the command, it doesn't error. However, it
> doesn't do what I need it to do. I have tried it without the unless line
> and it works perfectly. Again, it doesn't do what I need it to do that way
> though. I have searched the message boards and wiki to no avail.
>
> Can any of you shed some light on why this wouldn't work?
>
> TIA
>
> Drew
>
I'm not sure why that doesn't work but I remember some problems I had with
psql in postgres setup, I think I eventually started changing the output
format to something different, e.g. the above would be:
psql -P format=unaligned -tc "\\du ${name} |grep '^ *${name}'"
Just an idea, for alternative approach.
Regards,
Michael
--
Michael Gliwinski
Henderson Group Information Services
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Phone: 028 9034 3319
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