On Wednesday, April 23, 2014 11:00:30 AM UTC-5, warden wrote:
>
> Hi,
>
> I am trying to copy files between nodes using exported resources.
> What I want to do is to copy contents of the file from node1 to node2
> (exactly same location), basicly rsync functionality.
>
> Here is my scenario:
>
> node1 and node2 include a common class
>
> in common.pp i have:
> @@file { "filename-${hostname}":
> path => "/file/path/somefile",
> }
>
> As I understand this is collecting filename-node1 and filename-node2.
> Then, in node2 I have a line:
>
> File<<| title == 'filename-node2' |>>
>
> Unfortunately, I get always an empty file on node2. Did I misunderstand
> the way Exported Resources work?
>
>
Yes, you did. Exported resources would be more precisely described as
"exported *declarations*". They provide a way to declare a resource in the
context of compiling one node's catalog that later can be incorporated by
reference into other nodes' catalogs (or the same node's). Exporting a
resource has nothing directly to do with the physical resource on the
target node; it is all about the declaration.
More generally, Puppet provides no special facility for moving data between
nodes, and it provides only a narrow mechanism for moving data from nodes
to the master (i.e. node facts). If the master copy of your file resides
on a shared filesystem then you could use a File resource to ensure that
other copies were synced to the master copy. Alternatively, if you put the
master copy on your Puppet master then you can sync it to all nodes that
need it. The latter is the mechanism that best fits the Puppet paradigm.
John
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