if then statement within file resource

[CraftyTech]

Hello All,

     I'm not able to do an if/then statement within a file resource declaration.  I'm basically trying to distinguish between OS release, so that I can assign an appropriate template.  This is what I have:

class basic_dev::files {

        file { "/etc/sudoers":

        owner => root,

        group => root,

        mode => 0440,

        if $operatingsystemrelease <= 5.4 then {

        content => template("system/sudoers_V54.erb")},

        else {

        content => template("system/sudoers.erb")},

       backup => ".bak"

       }

For some reason is not working.  I keep on getting error: "Could not retrieve catalog from remote server: Error 400 on SERVER: Syntax error at 'if'; expected '}' "

Any ideas?

Thanks,

[Disconnect]

You can do it magically with source, not sure about template though.
 source => ["puppet:///system/sudoers_$operatingsysstemrelease","puppet:///system/sudoers"]
(it will look for them in order. We have several that go hostname, $lsbdistcodename, generic.)

If it doesn't work for template, you can do it the hard way:

  if $operatingsystemrelease <= 5.4 {
    file { "/etc/sudoers":....etc
  } else {
    file { "/etc/sudoers":.....
  }

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[Mark Stanislav]

What about just doing:

if ($operatingsystemrelease <= 5.4) {
$sudo_template = "system/sudoers_V54.erb"
} else {
$sudo_template = "system/sudoers.erb"
}

class basic_dev::files {
file { "/etc/sudoers":
owner => root,
group => root,
mode => 0440,

content => template($sudo_template),
backup => ".bak"
}

Seems legit at least ;)

[Eric Sorenson]

On Dec 17, 2010, at 12:51 PM, CraftyTech wrote:

    I'm not able to do an if/then statement within a file resource declaration.  I'm basically trying to distinguish between OS release, so that I can assign an appropriate template.  This is what I have:

Yes the language tutorial on conditionals explains this.  You can use a selector inside the resource or the if/else syntax outside the resource to set a variable. Selector is less nice because you can't do the numeric comparison, you have to fake it with a regexp.

ie.

file {"/etc/sudoers":

 content => $operatingsystemrelease ?

 /^5.[01234]/ => template("system/sudoers_V54.erb"),

 default => template("system/sudeors.erb")

 }

or as other people described, move your if/else outside the resource to set a local variable that you then expand.

 - Eric Sorenson - N37 17.255 W121 55.738  - http://twitter.com/ahpook  -

[CraftyTech]

That worked out.... Wondering why it didn't inside the file resource...  but it the workaround is certainly is "legit" enough....

Thanks,

[svrs...@gmail.com]

Hi
i am trying the same it is not working can u explain me how it worked

file { "/etc/inittab":

        owner => root,
        group => root,

        mode => 0644,
        if $manufacturer=IBM {
        content => template("${module_name}/ibm.inittab.erb")},
        else {
        content => template("${module_name}/sun.inittab.erb")},
       backup => ".bak"

[Frederiko Costa]

Hi,

I believe in that case you should use selectors to make it work.

http://docs.puppetlabs.com/puppet/2.7/reference/lang_conditional.html#selectors

Or you can use the 'if' outside the file resource.  Something like this:

$template_name = $manufacter ? {

  'ibm' => "${module_name}/ibm.inittab.erb",

  default => "${module_name}/sun.inittab.erb",

}

Then your file resource

file { "/etc/inittab":
        owner => root,
        group => root,
        mode => 0644,

        content => template($template_name),
       backup => ".bak",

}

It's also best practice to use selectors outside resource block per http://puppet-lint.com/checks/selector_inside_resource/

I hope it helps.

-frederiko

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