Puppet users - Dec 2008 - Help with Puppet and Multi-line Records, Sybase Interfaces files

Greetings, all,

I''ve looked around some at the puppet code, and naturally tried google,
but
I don''t see a solution to my configuration problem.  (I''m an
absolute ruby
noob, however, so the answer may be starting at me; I just don''t see
it.)

I''d like to use puppet to maintain the configuration of the Sybase
Interfaces file on a number of my servers.

The format of an interfaces entry is like so:

SybaseInstance
        master tcp ether 10.255.1.14 5000
        query tcp ether 10.255.1.14 5000

The variable parts being the Instance Name, the IP Address, and the port.
The file is just a plain, old text file.

All the examples I can find show how to manage a file where the records are
a single line long, and it isn''t clear to me how to cope with a three,
(or
four, if you wanted to count the optional blank line following), line
record.

I believe I need to implement a type and a provider in order to accomplish
managing these files, but I''m coming up short in being able to deal
with a
file formatted this way.  If anyone had any insights, or even actual *code*,
they''d be willing to share I''d be most appreciative.

Thanks,

Karl

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Karl, have a look at templating.

http://reductivelabs.com/trac/puppet/wiki/PuppetTemplating

If you make all of these variables facts, then you can use them inside
an erb template to construct the file, so long as you''re happy to be
managing the whole file.


On Fri, Dec 12, 2008 at 5:12 AM, Karl W. Lewis <karl.w.lewis@gmail.com>
wrote:
> Greetings, all,
>
> I''ve looked around some at the puppet code, and naturally tried
google, but
> I don''t see a solution to my configuration problem.  (I''m
an absolute ruby
> noob, however, so the answer may be starting at me; I just don''t
see it.)
>
> I''d like to use puppet to maintain the configuration of the Sybase
> Interfaces file on a number of my servers.
>
> The format of an interfaces entry is like so:
>
> SybaseInstance
>         master tcp ether 10.255.1.14 5000
>         query tcp ether 10.255.1.14 5000
>
> The variable parts being the Instance Name, the IP Address, and the port.
> The file is just a plain, old text file.
>
> All the examples I can find show how to manage a file where the records are
> a single line long, and it isn''t clear to me how to cope with a
three, (or
> four, if you wanted to count the optional blank line following), line
> record.
>
> I believe I need to implement a type and a provider in order to accomplish
> managing these files, but I''m coming up short in being able to
deal with a
> file formatted this way.  If anyone had any insights, or even actual
*code*,
> they''d be willing to share I''d be most appreciative.
>
> Thanks,
>
> Karl
>
> >
>


-- 
Nigel Kersten
Systems Administrator
Tech Lead - MacOps

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-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

Karl W. Lewis wrote:
> Greetings, all,
> 
> I''ve looked around some at the puppet code, and naturally tried
google,
> but I don''t see a solution to my configuration problem. 
(I''m an
> absolute ruby noob, however, so the answer may be starting at me; I just
> don''t see it.)
> 
> I''d like to use puppet to maintain the configuration of the Sybase
> Interfaces file on a number of my servers.
> 
> The format of an interfaces entry is like so:
> 
> SybaseInstance
>         master tcp ether 10.255.1.14 5000
>         query tcp ether 10.255.1.14 5000
> 
> The variable parts being the Instance Name, the IP Address, and the
> port.  The file is just a plain, old text file.
> 
Then how about a template?
http://reductivelabs.com/trac/puppet/wiki/PuppetTemplating

Regards

James Turnbull

- --
Author of:
* Pulling Strings with Puppet
(http://www.amazon.com/gp/product/1590599780/)
* Pro Nagios 2.0
(http://www.amazon.com/gp/product/1590596099/)
* Hardening Linux
(http://www.amazon.com/gp/product/1590594444/)

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On Fri, Dec 12, 2008 at 9:08 AM, Nigel Kersten <nigelk@google.com> wrote:
>
> Karl, have a look at templating.
>
> http://reductivelabs.com/trac/puppet/wiki/PuppetTemplating
>
> If you make all of these variables facts, then you can use them inside
> an erb template to construct the file, so long as you''re happy to
be
> managing the whole file.
>
>
> On Fri, Dec 12, 2008 at 5:12 AM, Karl W. Lewis
<karl.w.lewis@gmail.com>
> wrote:
> > Greetings, all,
> >
> > I''ve looked around some at the puppet code, and naturally
tried google,
> but
> > I don''t see a solution to my configuration problem. 
(I''m an absolute
> ruby
> > noob, however, so the answer may be starting at me; I just
don''t see it.)
> >
> > I''d like to use puppet to maintain the configuration of the
Sybase
> > Interfaces file on a number of my servers.
> >
> > The format of an interfaces entry is like so:
> >
> > SybaseInstance
> >         master tcp ether 10.255.1.14 5000
> >         query tcp ether 10.255.1.14 5000
> >
> > The variable parts being the Instance Name, the IP Address, and the
port.
> > The file is just a plain, old text file.
> >
> > All the examples I can find show how to manage a file where the
records
> are
> > a single line long, and it isn''t clear to me how to cope with
a three,
> (or
> > four, if you wanted to count the optional blank line following), line
> > record.
> >
> > I believe I need to implement a type and a provider in order to
> accomplish
> > managing these files, but I''m coming up short in being able
to deal with
> a
> > file formatted this way.  If anyone had any insights, or even actual
> *code*,
> > they''d be willing to share I''d be most appreciative.
> >
> > Thanks,
> >
> > Karl
> >
> > >
> >
>
>
>
> --
> Nigel Kersten
> Systems Administrator
> Tech Lead - MacOps
>
> >
>
Mr. Kersten, Mr. Turnbull,

Thank you, I am now studying templating in hopes that I can use that to make
this work.  I can manage the whole file, although I confess, I was rather
hoping that I could deal with it like the hosts file and add entries one at
a time based upon the type of server being configured.  (I mean, how cool is
the hosts function in puppet?  That right there sells the project.)  It
occurs to me, too, then that I could use templates to manage individual
entries as separate files, and have an exec resource that will put ''em
all
together.  Thank you very kindly.

As an aside, I bought a copy, a couple of years ago now, I think, of Pro
Nagios 2.0 and then implemented Nagios here at work.  Rather more recently I
purchased a copy of Pulling Strings with Puppet, (it''s even now sitting
on
my associate''s desk), and I am starting to implement puppet here.  Even
a
casual observer might detect a pattern.

Be well,

KWL

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