Puppet users - Aug 2011 - how to create directory recursively (if parents not present)?

Dear all,

As said in the subject line, is there a "nice" way of creating
directory tree if parent is not already there, like using "mkdir -p"?
I tried this:

class install_certs {

    $cert_dir = ''globus/cert''

    exec {
        ''create_cert'':
        command     => "/bin/mkdir -p /opt/$cert_dir",
        refreshonly => true,
    }

    file {
        "${hostname}-cert.pem":
        name    => "/opt/$cert_dir/${hostname}-cert.pem",
        mode    => ''0444'', owner =>
''root'', group => ''root'',
        source  =>
"puppet:///modules/p_nodes/${hostname}-cert.pem";
    }
}

which is not working at all. Any suggestion from anyone? Cheers!!

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---------- Forwarded message ----------
From: Sans <r.santanu.das@gmail.com>
Date: Thu, Aug 18, 2011 at 4:49 AM
Subject: [Puppet Users] how to create directory recursively (if parents not
present)?
To: Puppet Users <puppet-users@googlegroups.com>


Dear all,

As said in the subject line, is there a "nice" way of creating
directory tree if parent is not already there, like using "mkdir -p"?
I tried this:

class install_certs {

   $cert_dir = ''globus/cert''

   exec {
       ''create_cert'':
       command     => "/bin/mkdir -p /opt/$cert_dir",
       refreshonly => true,
   }

   file {
       "${hostname}-cert.pem":
       name    => "/opt/$cert_dir/${hostname}-cert.pem",
       mode    => ''0444'', owner =>
''root'', group => ''root'',
       source  => "puppet:///modules/p_nodes/${hostname}-cert.pem";
   }
}

which is not working at all. Any suggestion from anyone? Cheers!!




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The following will do what you want:

file { [''/opt'', ''/opt/globus'',
''/opt/globus/cert'']:
   ensure => directory,
}

Because of the implicit dependencies that exist between directories and
their parents that are managed by puppet, you do not need to specify any
ordering - puppet will set it up for you.

You can write a defined resource type to do this for you if you''d like,
or
you can use the Ruby DSL to create a mkdir_p function.





-- 

Gary Larizza
Professional Services Engineer
Puppet Labs

Join us for PuppetConf <http://bit.ly/puppetconfsig>, September 22nd and
23rd in Portland, OR!

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Sans wrote :
> As said in the subject line, is there a "nice" way of creating
> directory tree if parent is not already there, like using "mkdir
-p"?
This will do exactly what you want :

    $cert_dir = ''globus/cert''

    exec { ''mkdir_cert_dir'':
        path    => [ ''/bin'', ''/usr/bin''
],
        command => "mkdir -p /opt/${cert_dir}",
        unless  => "test -d /opt/${cert_dir}",
    }
    
    file { "/opt/${cert_dir}/${::hostname}-cert.pem":
        mode    => ''0444'', owner =>
''root'', group => ''root'',
        source  =>
"puppet:///modules/p_nodes/${::hostname}-cert.pem";
        require => Exec[''mkdir_cert_dir''],
    }

HTH :-)

Matthias

-- 
Clean custom Red Hat Linux rpm packages : http://freshrpms.net/
Fedora release 14 (Laughlin) - Linux kernel 2.6.35.13-91.fc14.x86_64
Load : 0.01 0.04 0.13

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Matthias Saou wrote :
>     file { "/opt/${cert_dir}/${::hostname}-cert.pem":
>         mode    => ''0444'', owner =>
''root'', group => ''root'',
>         source  =>
"puppet:///modules/p_nodes/${::hostname}-cert.pem";
>         require => Exec[''mkdir_cert_dir''],
>     }
I just noticed that I copy/pasted your original "source" line, and it
has an incorrect trailing semicolon. That needs to be a comma, of
course.

Matthias

-- 
Clean custom Red Hat Linux rpm packages : http://freshrpms.net/
Fedora release 14 (Laughlin) - Linux kernel 2.6.35.13-91.fc14.x86_64
Load : 0.07 0.06 0.09

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Thanks Matthias! I noticed the semicolon typo.
What does ${::hostname}-cert.pem implicate (as opposed to ${hostname}-
cert.pem)?

Cheers,
San

On Aug 18, 7:04 pm, Matthias Saou
<th...@spam.spam.spam.spam.spam.spam.spam.egg.and.spam.freshrpms.net>
wrote:
> Matthias Saou wrote :
>
> >     file { "/opt/${cert_dir}/${::hostname}-cert.pem":
> >         mode    => ''0444'', owner =>
''root'', group => ''root'',
> >         source  =>
"puppet:///modules/p_nodes/${::hostname}-cert.pem";
> >         require => Exec[''mkdir_cert_dir''],
> >     }
>
> I just noticed that I copy/pasted your original "source" line,
and it
> has an incorrect trailing semicolon. That needs to be a comma, of
> course.
>
> Matthias
>
> --
> Clean custom Red Hat Linux rpm packages :http://freshrpms.net/
> Fedora release 14 (Laughlin) - Linux kernel 2.6.35.13-91.fc14.x86_64
> Load : 0.07 0.06 0.09
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Do I have to start from ''/opt'', as ''/opt''
already exists?
Is Ruby DSL (use/how-to etc.) documented anywhere?

Cheers,
San

On Aug 18, 4:22 pm, Gary Larizza <g...@puppetlabs.com>
wrote:
> ---------- Forwarded message ----------
>
> The following will do what you want:
>
> file { [''/opt'', ''/opt/globus'',
''/opt/globus/cert'']:
>    ensure => directory,
> }
>
> Because of the implicit dependencies that exist between directories and
> their parents that are managed by puppet, you do not need to specify any
> ordering - puppet will set it up for you.
>
> You can write a defined resource type to do this for you if you''d
like, or
> you can use the Ruby DSL to create a mkdir_p function.
>
> --
>
> Gary Larizza
> Professional Services Engineer
> Puppet Labs
>
> Join us for PuppetConf <http://bit.ly/puppetconfsig>, September 22nd
and
> 23rd in Portland, OR!
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Sans <r.santanu.das@gmail.com> wrote:
> Thanks Matthias! I noticed the semicolon typo.
> What does ${::hostname}-cert.pem implicate (as opposed to ${hostname}-
> cert.pem)?
It just makes explicit that it''s a variable from the global scope (as
it''s a fact) and not from the current local scope.

Check out recent puppet docs related to the changes going into 2.7 and
soon 2.8.

Matthias

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