Out-of-Scope Variables

[Yaniv Fine]

Hi Team .

i am trying to use "Out-of-Scope Variables"
 trying to setup kind of like an "answer" file that would be global file for other modules to use .like 40 variables .
and call the variables  from template or manifest file .

lets say i have module   share_module/mainfest/init.pp
$var1 = 'test1'
$var2 ='test2'
$ ........


i would like to use "share_module/mainfest/init.pp "

from another module , lets say apache module/template/ssl.erb file
witch some of the faribles there are the same in all my servers and some deffer and i would the answer file to be centralized place i can manage the vars  .

any pointers is much appreciated .


Thank You
Yaniv Fine 

 

[llo...@oreillyauto.com]

Comments in line.

This can be done if you do something like

scope.lookupvar(share_module::varname) 

in the ERB.

 

Honestly though, I would use hiera for this, it's cleaner.

In the .pp calling the template you can do something like:

$myvar = hiera('test1')

then just reference myvar in the template as a normal variable.

[Yaniv Fine]

thank you for the answer .
i tried to use the "

scope.lookupvar(share_module::varname)" in the erb file 
but got a blank line (empty value)
i will have a look on hiera

also , 
thank you 

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[llo...@oreillyauto.com]

On Tuesday, July 17, 2012 10:16:56 AM UTC-5, Yaniv Fine wrote:

thank you for the answer .
i tried to use the "

scope.lookupvar(share_module::varname)" in the erb file 

Did you use '<%' or '<%=' in the template?

You also may need to add include 'share_module'  to the .pp

[Yaniv Fine]

I have used the <% and <%= but didn't use the share_module

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[Felix Frank]

Hi,

On 07/17/2012 05:16 PM, Yaniv Fine wrote:
> thank you for the answer .
> i tried to use the "
>
> |scope.lookupvar(share_module::varname)" in the erb file
> but got a blank line (empty value)
> i will have a look on |hiera
>
> also ,
> thank you

I'm fairly certain you need to quote the name of the variable you want
to look up.

scope.lookupvar("share_module::varname")

HTH,
Felix

[Yaniv Fine]

Sorry  .
My mistake . I have used the share_module:varname

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[Yaniv Fine]

i have tested this again today when i arrived to the office , with no luck .
when calling another module (sharedvar)/mainfest/generic.pp file from within my template file .
******************
class sharedvar {
$vartest = 'test1'
}
******************
i use in my erb file in module/mymodule/templates/bla.erb

<%= scope.lookupvar('sharedvar::vartest') %>


i get a blank line without my test1 parameter 

what am i doing wrong here .

i can workaround this by declaring the vars in the same module that i want to use them but i want it to be cross module vars .

[Erik Dalén]

Make sure you include sharedvar class in your sharedvar::generic class
before the template is called.

--
Erik Dalén

[Felix Frank]

On 07/18/2012 09:47 AM, Erik Dal�n wrote:
> Make sure you include sharedvar class in your sharedvar::generic class
> before the template is called.

Right, but more succinctly:

sharedvar::generic does not appear to be the caller, but rather some
class in mymodule.

The point is: The class that uses the template must include the
sharedvar class.

Cheers,
Felix

[Yaniv Fine]

i am missing something here .
those classes are from the same module .
i am calling sharedvar::vartest

class sharedvar {
$vartest = 'blabla
}'
from template file that reside on module "newmodule"

where do i put the include class and what syntax i use to call it ?

thank you :)

[Felix Frank]

On 07/18/2012 10:31 AM, Yaniv Fine wrote:
> i am missing something here .
> those classes are from the same module .
> i am calling sharedvar::vartest
> class sharedvar {
> $vartest = 'blabla
> }'
> from template file that reside on module "newmodule"
>
> where do i put the include class and what syntax i use to call it ?
>
> thank you :)

I presume you have a file { } somewhere that uses content => template(...).

Where is that file declared?

[Yaniv Fine]

in "newmodule" pp file

[Felix Frank]

On 07/18/2012 10:44 AM, Yaniv Fine wrote:
> in "newmodule" pp file

>
> I presume you have a file { } somewhere that uses content => template(...).
>
> Where is that file declared?

Let me rephrase that: What is the name of the class in which the file is
defined? If it's not inside a class, put it in one. Also "include
sharedvar" in that class.

[Yaniv Fine]

Frank .
let me put it all together :)

i have a module name "sharevar"
i have another module "newmodule"
inside "sharevar"/manifest/genreic.pp
class sharevar::generec {
$vartest = 'infooramtion'
}

i have newmodule/manifest/men.pp
that include the content => template path erb file
and i have the newmodule/templates/new.erb file
that i want to use value from ("sharevar"/manifest/genreic.pp)
the $vartest value

hope this helps

thank you for your effort .

[Felix Frank]

On 07/18/2012 11:03 AM, Yaniv Fine wrote:
> Frank .
> let me put it all together :)
>
> i have a module name "sharevar"
> i have another module "newmodule"
> inside "sharevar"/manifest/genreic.pp
> class sharevar::generec {
> $vartest = 'infooramtion'
> }
>
> i have newmodule/manifest/men.pp
> that include the content => template path erb file
> and i have the newmodule/templates/new.erb file
> that i want to use value from ("sharevar"/manifest/genreic.pp)
> the $vartest value
>
> hope this helps

Not really, sorry.

Please share the content of newmodule/manifest/men.pp

[R.I.Pienaar]

----- Original Message -----
> From: "Yaniv Fine" <yani...@gmail.com>
> To: puppet...@googlegroups.com
> Sent: Wednesday, July 18, 2012 10:03:01 AM
> Subject: Re: [Puppet Users] Re: Out-of-Scope Variables
>
>
> Frank .
> let me put it all together :)
>
> i have a module name "sharevar"
> i have another module "newmodule"
> inside "sharevar"/manifest/genreic.pp
> class sharevar::generec {
> $vartest = 'infooramtion'
> }
>
> i have newmodule/manifest/men.pp
> that include the content => template path erb file
> and i have the newmodule/templates/new.erb file
> that i want to use value from ("sharevar"/manifest/genreic.pp)
> the $vartest value
>
> hope this helps
>
> thank you for your effort .

class sharevar {
$vartest = "info"
}

class newmodule {
# you have to include sharevar somewhere, can be in a node or anywhere else
include sharevar

# access the variable in another module in a .pp file
notify{"vartest is ${sharevar::vartest}": }

# access it in a template
file{"/tmp/test": content => template("new.erb")}
}


new.erb:

<%= scope.lookupvar("sharevar::vartest") %>

[Yaniv Fine]

class newmodule::men {
      file {'/tmp/bootstrap.properties':
      mode  => '644',
      owner => 'root',
      group => 'root',
      content => template('newmodule/bootstrap.erb')
  }
}

[Yaniv Fine]

i'll try that .

[Yaniv Fine]

i am getting

Error 400 on SERVER: Could not find class sharevar::generic in namespaces newmodule::men

[Felix Frank]

On 07/18/2012 11:26 AM, Yaniv Fine wrote:
> i am getting
>
> Error 400 on SERVER: Could not find class sharevar::generic in
> namespaces newmodule::men

Hardly surprising.

> inside "sharevar"/manifest/genreic.pp
>> class sharevar::generec {

Both file and class name are horribly typoed. Please fix.

[Yaniv Fine]

...
still getting it even after fixing .

Could not find class sharedvar::generic in namespaces newmodule::men

i am doing copy paste .
damm

[Felix Frank]

On 07/18/2012 12:22 PM, Yaniv Fine wrote:
> ...
> still getting it even after fixing .
>
> Could not find class sharedvar::generic in namespaces newmodule::men
>
> i am doing copy paste .
> damm

Is the module name "sharevar" or "sharedvar"?

The easiest way about this was for you to supply the full paths to all
manifest files and the manifest contents.

[Yaniv Fine]

this time i got it !!!!.
i have made a newbie error by creating the mentifest/pp file inside a directory name share_var instead of sharevar !!

thank you very much for you kind help ...