diff options
Diffstat (limited to 'lib/puppet/parser/functions/random_crontab_minutes.rb')
-rw-r--r-- | lib/puppet/parser/functions/random_crontab_minutes.rb | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/lib/puppet/parser/functions/random_crontab_minutes.rb b/lib/puppet/parser/functions/random_crontab_minutes.rb new file mode 100644 index 0000000..8ab29e1 --- /dev/null +++ b/lib/puppet/parser/functions/random_crontab_minutes.rb @@ -0,0 +1,31 @@ +# +# random_crontab_minutes.rb +# + +module Puppet::Parser::Functions + newfunction(:random_crontab_minutes, :type => :rvalue, :doc => <<-EOS + EOS + ) do |arguments| + + raise(Puppet::ParseError, "Wrong number of arguments " + + "given (#{arguments.size} for 2)") if arguments.size < 2 + + require 'md5' + + job_name = arguments[0] + host = arguments[1] + + # + # Pick a random number based on the job and host name. This will yield + # the same value for exactly the same combination of the job and host name. + # + value = MD5.new(job_name + host).to_s.hex % 60 + + # Minutes are from 0 to 59 inclusive ... + value = value < 60 ? value : 59 + + return value + end +end + +# vim: set ts=2 sw=2 et : |