Mercurial > repos > other > Puppet
annotate modules/stdlib/lib/puppet/parser/functions/pick.rb @ 272:c42fb28cff86
Update to a newer Python module
This also pulls in an EPEL module (which we don't use) and a newer
stdlib version.
| author | IBBoard <dev@ibboard.co.uk> |
|---|---|
| date | Fri, 03 Jan 2020 19:56:04 +0000 |
| parents | addb0ea390a1 |
| children | d9352a684e62 |
| rev | line source |
|---|---|
| 272 | 1 # |
| 2 # pick.rb | |
| 3 # | |
|
0
956e484adc12
Initial public release of Puppet configs
IBBoard <dev@ibboard.co.uk>
parents:
diff
changeset
|
4 module Puppet::Parser::Functions |
| 272 | 5 newfunction(:pick, :type => :rvalue, :doc => <<-DOC |
| 6 This function is similar to a coalesce function in SQL in that it will return | |
| 7 the first value in a list of values that is not undefined or an empty string | |
| 8 (two things in Puppet that will return a boolean false value). Typically, | |
| 9 this function is used to check for a value in the Puppet Dashboard/Enterprise | |
| 10 Console, and failover to a default value like the following: | |
|
0
956e484adc12
Initial public release of Puppet configs
IBBoard <dev@ibboard.co.uk>
parents:
diff
changeset
|
11 |
| 272 | 12 $real_jenkins_version = pick($::jenkins_version, '1.449') |
|
0
956e484adc12
Initial public release of Puppet configs
IBBoard <dev@ibboard.co.uk>
parents:
diff
changeset
|
13 |
| 272 | 14 The value of $real_jenkins_version will first look for a top-scope variable |
| 15 called 'jenkins_version' (note that parameters set in the Puppet Dashboard/ | |
| 16 Enterprise Console are brought into Puppet as top-scope variables), and, | |
| 17 failing that, will use a default value of 1.449. | |
| 18 DOC | |
| 19 ) do |args| | |
| 20 args = args.compact | |
| 21 args.delete(:undef) | |
| 22 args.delete(:undefined) | |
| 23 args.delete('') | |
| 24 raise Puppet::ParseError, 'pick(): must receive at least one non empty value' if args[0].to_s.empty? | |
| 25 return args[0] | |
| 26 end | |
|
0
956e484adc12
Initial public release of Puppet configs
IBBoard <dev@ibboard.co.uk>
parents:
diff
changeset
|
27 end |