On Tuesday, August 14, 2012 6:27:36 AM UTC-5, Marc Haber wrote:
>
> Hi,
>
> I am trying to build (on node A) an authorized_keys file that contains
> all host keys from all nodes that have class C imported. Here is my
> code:
>
> class C {
> @@file { "/var/lib/foo/authorized_keys/$fqdn":
> ensure => present,
> content => "from=\"$ipaddress_eth0\" ssh-rsa
> $sshrsakey\n",
> tag => "foo",
> }
> }
>
> node A {
> class { 'bar': }
> }
>
> class bar {
> File <<| tag == 'foo' |>> {
> notify => Exec["/home/bar/.ssh/authorized_keys"],
> }
>
> exec { "/home/bar/.ssh/authorized_keys":
> command => "cat /var/lib/foo/authorized_keys/* >
> /home/bar/.ssh/authorized_keys"
> path => "/bin:/usr/bin",
> provider => shell,
> }
> }
>
> This works.
>
> I would, however, prefer to have the exec subscribed to the File
> instead of notifying the exec from the File.
Why?
> I would like to write
>
> class bar {
> File <<| tag == 'foo' |>>
>
> exec { "/home/bar/.ssh/authorized_keys":
> command => "cat /var/lib/foo/authorized_keys/* >
> /home/bar/.ssh/authorized_keys"
> path => "/bin:/usr/bin",
> provider => shell,
> subscribe => File <<| tag == 'foo' |>>,
> }
> }
>
> which doesn't compile.
>
> How can I refer to the File in my exec?
>
>
What you are looking for may work in Puppet 3; see
http://projects.puppetlabs.com/issues/3178, which is targeted there.
With that said, Stephen is right that you are reinventing the wheel (though
he didn't put it in those terms). The Concat module is all about
constructing files from pieces, and those pieces can easily be imported
resources declared by other nodes.
John
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