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:
1.3 KB
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1 | # Test whether a given class or definition is defined
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2 | require 'puppet/parser/functions'
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3 |
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4 | Puppet::Parser::Functions.newfunction(:defined_with_params,
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5 | :type => :rvalue,
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6 | :doc => <<-'ENDOFDOC'
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7 | Takes a resource reference and an optional hash of attributes.
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8 |
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9 | Returns true if a resource with the specified attributes has already been added
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10 | to the catalog, and false otherwise.
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11 |
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12 | user { 'dan':
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13 | ensure => present,
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14 | }
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15 |
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16 | if ! defined_with_params(User[dan], {'ensure' => 'present' }) {
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17 | user { 'dan': ensure => present, }
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18 | }
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19 | ENDOFDOC
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20 | ) do |vals|
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21 | reference, params = vals
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22 | raise(ArgumentError, 'Must specify a reference') unless reference
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23 | if (! params) || params == ''
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24 | params = {}
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25 | end
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26 | ret = false
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27 | if resource = findresource(reference.to_s)
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28 | matches = params.collect do |key, value|
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29 | # eql? avoids bugs caused by monkeypatching in puppet
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30 | resource_is_undef = resource[key].eql?(:undef) || resource[key].nil?
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31 | value_is_undef = value.eql?(:undef) || value.nil?
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32 | (resource_is_undef && value_is_undef) || (resource[key] == value)
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33 | end
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34 | ret = params.empty? || !matches.include?(false)
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35 | end
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36 | Puppet.debug("Resource #{reference} was not determined to be defined")
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37 | ret
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38 | end
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