coping linked files problem

[rjl]

Hi,

It seems like this should be pretty easy but I can't find a solution.

On my puppet master, I have a directory of zipped files. These are created by another application. When a new zipped file is added to the directory, the other application attaches a symlink to it called current.

/somepath/repo-1.tar.gz -> current

Then later...

/somepath/repo1.tar.gz

/somepath/repo-2.tar.gz -> current

I want puppet to copy the file pointed to by 'current' to the clients.

So far I have the following which will copy the file but, the name of the file on the client is 'current'. I want it to be the actual name of the file and not the name of the link.

 class ams::config

{

   file {

        "ams_repos":

           path    => "/tmp/current", #????

           owner   => 'root',

           group   => 'root',

           mode    => 0644,

           backup  => true,

           ensure  => present,

           links   => follow,

           source  => "puppet:///repo_files/current",

   }

}

Any help would be greatly appreciated.

Thanks in advance!

[Thomas A. Fine]

It looks like you should be able to do something like this:

$linkvalue = generate('/usr/bin/readlink', '/somepath/current');
$linkbasename = generate('/usr/bin/basename', $linkvalue);

and then

path -> "destinationpath/$linkbasename",

tom

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[rjl]

Thanks for the reply Tom (didn't need the basename call). That works great for getting the filename. However, now my path is not getting evaluated correctly. I have this in my /etc/puppet/fileserver.conf

[ams_repo_path]

   path /opt/level3/component/ams/repo

   allow *

Here is my class

class ams::config

{

   $realname = generate('/usr/bin/readlink','/opt/level3/component/ams/repo/current')

   file {

        "repo_files":

           path    => "/tmp/$realname",

           owner   => 'root',

           group   => 'root',

           mode    => 0644,

           backup  => true,

           #links   => ignore,

           ensure  => present,

           source  => "puppet:///ams_repo_path/$realname",

   }

}

My client is now complaining...

May  3 20:40:40 devrep0114 puppet-agent[32264]: (/Stage[main]/Ams::Config/File[repo_files]) Could not evaluate: Could not retrieve information from source(s) puppet:///ams_repo_path/1329498772.tar.gz  at /etc/puppet/modules/ams/manifests/config.pp:22

If I change replace the $realname variable above with the link name (current), then puppet will copy the tar file over but it will be named 'current'. This indicates that 'ams_repo_path' is being properly evaluated.

Ideas?

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[rjl]

Found the problem. Looks like a return character...here is my solution.

$realname = regsubst(generate('/usr/bin/readlink','/opt/level3/component/ams/repo/current'),'^(.*)\n$','\1')