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:
1.5 KB
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1 | module Puppet::Parser::Functions
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2 |
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3 | newfunction(:convert_base, :type => :rvalue, :arity => 2, :doc => <<-'ENDHEREDOC') do |args|
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4 |
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5 | Converts a given integer or base 10 string representing an integer to a specified base, as a string.
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6 |
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7 | Usage:
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8 |
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9 | $binary_repr = convert_base(5, 2) # $binary_repr is now set to "101"
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10 | $hex_repr = convert_base("254", "16") # $hex_repr is now set to "fe"
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11 |
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12 | ENDHEREDOC
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13 |
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14 | raise Puppet::ParseError, ("convert_base(): First argument must be either a string or an integer") unless (args[0].is_a?(Integer) or args[0].is_a?(String))
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15 | raise Puppet::ParseError, ("convert_base(): Second argument must be either a string or an integer") unless (args[1].is_a?(Integer) or args[1].is_a?(String))
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16 |
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17 | if args[0].is_a?(String)
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18 | raise Puppet::ParseError, ("convert_base(): First argument must be an integer or a string corresponding to an integer in base 10") unless args[0] =~ /^[0-9]+$/
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19 | end
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20 |
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21 | if args[1].is_a?(String)
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22 | raise Puppet::ParseError, ("convert_base(): First argument must be an integer or a string corresponding to an integer in base 10") unless args[1] =~ /^[0-9]+$/
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23 | end
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24 |
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25 | number_to_convert = args[0]
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26 | new_base = args[1]
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27 |
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28 | number_to_convert = number_to_convert.to_i()
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29 | new_base = new_base.to_i()
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30 |
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31 | raise Puppet::ParseError, ("convert_base(): base must be at least 2 and must not be greater than 36") unless new_base >= 2 and new_base <= 36
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32 |
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33 | return number_to_convert.to_s(new_base)
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34 | end
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35 | end
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