Last change
on this file since 30960 was 30960, checked in by davidb, 8 years ago |
Switch to using Puppet to provision machine. Strongly based on files developed for spark-hdfs cluster
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File size:
899 bytes
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[30960] | 1 | #
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| 2 | # join.rb
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| 3 | #
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| 4 |
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| 5 | module Puppet::Parser::Functions
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| 6 | newfunction(:join, :type => :rvalue, :doc => <<-EOS
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| 7 | This function joins an array into a string using a separator.
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| 8 |
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| 9 | *Examples:*
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| 10 |
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| 11 | join(['a','b','c'], ",")
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| 12 |
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| 13 | Would result in: "a,b,c"
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| 14 | EOS
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| 15 | ) do |arguments|
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| 16 |
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| 17 | # Technically we support two arguments but only first is mandatory ...
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| 18 | raise(Puppet::ParseError, "join(): Wrong number of arguments " +
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| 19 | "given (#{arguments.size} for 1)") if arguments.size < 1
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| 20 |
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| 21 | array = arguments[0]
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| 22 |
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| 23 | unless array.is_a?(Array)
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| 24 | raise(Puppet::ParseError, 'join(): Requires array to work with')
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| 25 | end
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| 26 |
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| 27 | suffix = arguments[1] if arguments[1]
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| 28 |
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| 29 | if suffix
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| 30 | unless suffix.is_a?(String)
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| 31 | raise(Puppet::ParseError, 'join(): Requires string to work with')
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| 32 | end
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| 33 | end
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| 34 |
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| 35 | result = suffix ? array.join(suffix) : array.join
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| 36 |
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| 37 | return result
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| 38 | end
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| 39 | end
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| 40 |
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| 41 | # vim: set ts=2 sw=2 et :
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