1 | #
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2 | # ensure_packages.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(:ensure_packages, :type => :statement, :doc => <<-EOS
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7 | Takes a list of packages and only installs them if they don't already exist.
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8 | It optionally takes a hash as a second parameter that will be passed as the
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9 | third argument to the ensure_resource() function.
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10 | EOS
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11 | ) do |arguments|
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12 |
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13 | if arguments.size > 2 or arguments.size == 0
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14 | raise(Puppet::ParseError, "ensure_packages(): Wrong number of arguments " +
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15 | "given (#{arguments.size} for 1 or 2)")
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16 | elsif arguments.size == 2 and !arguments[1].is_a?(Hash)
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17 | raise(Puppet::ParseError, 'ensure_packages(): Requires second argument to be a Hash')
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18 | end
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19 |
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20 | if arguments[0].is_a?(Hash)
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21 | if arguments[1]
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22 | defaults = { 'ensure' => 'present' }.merge(arguments[1])
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23 | else
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24 | defaults = { 'ensure' => 'present' }
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25 | end
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26 |
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27 | Puppet::Parser::Functions.function(:ensure_resources)
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28 | function_ensure_resources(['package', Hash(arguments[0]), defaults ])
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29 | else
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30 | packages = Array(arguments[0])
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31 |
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32 | if arguments[1]
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33 | defaults = { 'ensure' => 'present' }.merge(arguments[1])
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34 | else
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35 | defaults = { 'ensure' => 'present' }
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36 | end
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37 |
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38 | Puppet::Parser::Functions.function(:ensure_resource)
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39 | packages.each { |package_name|
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40 | function_ensure_resource(['package', package_name, defaults ])
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41 | }
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42 | end
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43 | end
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44 | end
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45 |
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46 | # vim: set ts=2 sw=2 et :
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