On Thursday, May 16, 2013 6:49:49 AM UTC-5, jdt wrote:
>
> Hello,
>
> I have a yaml file with a hash of network interfaces (ifaces hash), each
> nic has an associated ipaddress and netmask.
> Using hiera ifaces fqdn=host.mycompany.com I can get all interfaces back.
> Is there a way using the hiera cli to get a specific value of a key within
> the hash?
>
> e.g. hiera ifaces fqdn=host.mycompany.com
> {"eth0"=>{"ipaddress"=>"10.4.115.48", "netmask"=>"255.255.255.0"},
> "eth0:1"=>{"ipaddress"=>"10.4.115.58", "netmask"=>"255.255.255.0"}}
>
>
> Can I with a single hiera command get info of only the interface eth0?
> Or get just the ipaddress of interface eth0?
> Or was hiera not meant for this kind of use?
>
>
You seem to be asking for some kind of XPATH-like feature, but hiera does
not provide one. Via its programmatic interface (i.e. in Puppet), you
would simply take the hash object returned by hiera and access the desired
element by its key. If you want to be able to do similar from the command
line then you probably should write your own Ruby program that does the
same.
John
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