Puppet users - Jul 2012 - manifest variable with sed - problem

Hello,

i have a problem in my sudo manifest file, because in the variable $name
comes sometimes usernames like user.lastname, but i need for sudo
(includedir */etc/sudoers.d/*) file names with no dots (like user_lastname).

I need a new variable, where is the dots change by underscores.


My first try was like this, but it isn''t working well.

$name_underscore = "`echo $name | sed ''s/\./_/g''`"

  file { "*/etc/sudoers.d/*${name_underscore}":
    mode => 440,
    owner => "root",
    group => "root",
    content => template("sudo/sudo.erb"),
    }

Please can anyone help me with my problem?

Best regards,

Markus Rekkenbeil

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On Wed, Jul 25, 2012 at 08:47:14AM -0700, Markus Rekkenbeil
wrote:
>  Hello,
> 
>  i have a problem in my sudo manifest file, because in the variable $name
>  comes sometimes usernames like user.lastname, but i need for sudo
>  (includedir /etc/sudoers.d/) file names with no dots (like user_lastname).
> 
>  I need a new variable, where is the dots change by underscores.
> 
> 
>  My first try was like this, but it isn''t working well.
> 
>  $name_underscore = "`echo $name | sed
''s/\./_/g''`"
The variable $name is reserved for use as as the namevar, so you''ll
have to use something else as a variable name.

http://docs.puppetlabs.com/guides/language_guide.html

You could use an inline template to run the substitution via ruby. Example:

$java_home = inline_template(''<%=
/jre-([0-9])u([0-9]+)/.match(name); p = "/opt/jre1." + $1 +
".0_" + $2 %>'')

So for you, something like this (warning, untested):

$username_nous = inline_template(''<%= username.gsub(/\./,
"_") %>'')

Also see:

http://www.ruby-doc.org/core-1.8.7/String.html

 
>    file { "/etc/sudoers.d/${name_underscore}":
>      mode => 440,
>      owner => "root",
>      group => "root",
>      content => template("sudo/sudo.erb"),
>      }
> 
>  Please can anyone help me with my problem?
> 
>  Best regards,
> 
>  Markus Rekkenbeil
> 
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>From: puppet-users@googlegroups.com [mailto:puppet-users@googlegroups.com]
>On Behalf Of Christopher Wood
[snip]
>You could use an inline template to run the substitution via ruby. Example:
>
>$java_home = inline_template(''<%=
/jre-([0-9])u([0-9]+)/.match(name); p >"/opt/jre1." + $1 +
".0_" + $2 %>'')
>
>So for you, something like this (warning, untested):
>
>$username_nous = inline_template(''<%= username.gsub(/\./,
"_") %>'')

regsubst might be easier to use.

$new = regsubst($old, ''foo'', ''bar'')



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On Wed, Jul 25, 2012 at 04:43:31PM +0000, Kinzel, David
wrote:
> >From: puppet-users@googlegroups.com
[mailto:puppet-users@googlegroups.com]
> >On Behalf Of Christopher Wood
> 
> [snip]
> 
> >You could use an inline template to run the substitution via ruby.
Example:
> >
> >$java_home = inline_template(''<%=
/jre-([0-9])u([0-9]+)/.match(name); p > >"/opt/jre1." + $1 +
".0_" + $2 %>'')
> >
> >So for you, something like this (warning, untested):
> >
> >$username_nous = inline_template(''<%= username.gsub(/\./,
"_") %>'')
> 
> 
> regsubst might be easier to use.
> 
> $new = regsubst($old, ''foo'', ''bar'')
My experience has that it''s easier until I need extra processing, like
in the java_home example above. (I often do.) Good point though.
 
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