Last change
on this file since 30960 was 30960, checked in by davidb, 7 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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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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