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Last change
on this file since 30960 was 30960, checked in by davidb, 7 years ago |
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Switch to using Puppet to provision machine. Strongly based on files developed for spark-hdfs cluster
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File size:
630 bytes
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| 1 | module Puppet::Parser::Functions
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| 2 | newfunction(:max, :type => :rvalue, :doc => <<-EOS
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| 3 | Returns the highest value of all arguments.
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| 4 | Requires at least one argument.
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| 5 | EOS
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| 6 | ) do |args|
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| 7 |
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| 8 | raise(Puppet::ParseError, "max(): Wrong number of arguments " +
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| 9 | "need at least one") if args.size == 0
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| 10 |
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| 11 | # Sometimes we get numbers as numerics and sometimes as strings.
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| 12 | # We try to compare them as numbers when possible
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| 13 | return args.max do |a,b|
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| 14 | if a.to_s =~ /\A-?\d+(.\d+)?\z/ and b.to_s =~ /\A-?\d+(.\d+)?\z/ then
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| 15 | a.to_f <=> b.to_f
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| 16 | else
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| 17 | a.to_s <=> b.to_s
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| 18 | end
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| 19 | end
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| 20 | end
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| 21 | end
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