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-rw-r--r--lib/puppet/parser/functions/fqdn_rotate.rb16
1 files changed, 14 insertions, 2 deletions
diff --git a/lib/puppet/parser/functions/fqdn_rotate.rb b/lib/puppet/parser/functions/fqdn_rotate.rb
index 7f4d37d..cf22d36 100644
--- a/lib/puppet/parser/functions/fqdn_rotate.rb
+++ b/lib/puppet/parser/functions/fqdn_rotate.rb
@@ -31,8 +31,20 @@ Rotates an array a random number of times based on a nodes fqdn.
elements = result.size
- srand(Digest::MD5.hexdigest([lookupvar('::fqdn'),arguments].join(':')).hex)
- rand(elements).times {
+ seed = Digest::MD5.hexdigest([lookupvar('::fqdn'),arguments].join(':')).hex
+ # deterministic_rand() was added in Puppet 3.2.0; reimplement if necessary
+ if Puppet::Util.respond_to?(:deterministic_rand)
+ offset = Puppet::Util.deterministic_rand(seed, elements).to_i
+ else
+ if defined?(Random) == 'constant' && Random.class == Class
+ offset = Random.new(seed).rand(elements)
+ else
+ srand(seed)
+ offset = rand(elements)
+ srand()
+ end
+ end
+ offset.times {
result.push result.shift
}