Hi Dusty,
On Tuesday, January 29, 2013 2:30:14 AM UTC, Dusty Doris wrote:
>
> I'd like to be able to collect all the hostnames (fqdn) or ips of certain
> hosts to be used in setting up firewall rules. I'd like to search for
> hosts that have included a particular class, perhaps by simply setting a
> tag when that resource is included.
>
> eg:
>
> node 'node1' {
> include 'somewebclass'
> }
>
> class somewebclass {
> tag 'web'
> # other stuff
> }
>
>
> Then in another class, I'd like to find all my 'web' hosts and allow them
> access in a firewall rule.
> eg:
>
> class somedbclass {
> tag 'db'
> iptables { "allow db access":
> proto => 'tcp',
> dport => '3306'
> source => Node <| tag == 'web' |>,
> jump => 'ACCEPT'
> }
> }
>
> So, ultimately, I'd need that Node <| tag == 'web' |> to be an array of
> hostnames or ipaddresses.
>
> This is just an example to try to explain what I am doing. Does anyone
> know how to do this? Can I do this in puppet? Do I need to write my own
> function to handle this? Or, can I use something like hiera or puppetdb to
> do this?
>
Native Puppet doesn't have any such feature. I asked a similar question in
this thread about a month ago where I was trying bend Exported Resources to
my will:
https://groups.google.com/forum/?fromgroups=#!searchin/puppet-users/luke$20bigum$20exported/puppet-users/zQgUDx2ixus/XpGFOo6OwvQJ
To save you some reading I would recommend using this module to pull raw
data from PuppetDB, or something similar:
https://github.com/dalen/puppet-puppetdbquery
>From there you could build your hash/array, then use that in a template or
to create individual Puppet resources from for your firewall rules.
Hope that helps,
-Luke
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