Thanks! I will give it a whirl. On Thursday, April 23, 2015 at 7:12:01 AM UTC-7, jcbollinger wrote: > > > > On Wednesday, April 22, 2015 at 6:36:01 PM UTC-5, TheNerd wrote: >> >> Hi, >> >> So I have have the following ruby script for puppet, located in >> /etc/puppetlabs/puppet/environments/production/modules/base/lib/facter >> >> >> Facter.add(:appname) do >> setcode do >> Facter.value(:hostname)[5..-1][/(.*?)(\-|\z)/,1] >> end >> end >> >> >> >> The goal is to get it to match what facter returns for hostname then >> parse it. It should match everything after the last dash to the end >> excluding numbers. >> >> It will match in this example: >> >> site-dns2 the script will return dns which is correct but if i have a >> host name that looks like this: >> >> site-project-appname3 the script returns project not appname. appname >> would be the desired result. >> >> So I need the above to match everything after the last - to the end >> excluding numbers. >> >> Any ideas? >> >> > > Your fact is directly derivative of a standard fact. If it is strictly > for Puppet's consumption, then It would be better implemented as an > ordinary top-scope variable. Compute it unconditionally at the beginning > of your site manifest: > > $appname = regsubst($hostname, '^(?:.*-)?([^-0-9]*)[0-9]*$', '\1') > > If you must do the job with a Ruby regex, then the regex above would work > in that context, too. It matches any string, ignores all hyphens and any > characters preceding a hyphen, ignores any trailing digits, and captures > whatever is left as its single capture group. > > > John > >
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