Class: EcomDev::ChefSpec::Helpers::Platform

Inherits:
Object
  • Object
show all
Defined in:
lib/ecomdev/chefspec/helpers/platform.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(file = nil, path = nil) ⇒ Platform

Returns a new instance of Platform.



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# File 'lib/ecomdev/chefspec/helpers/platform.rb', line 6

def initialize(file = nil, path = nil)
  @os = {}
  @family = {}

  path = self.class.platform_path if path.nil?
  file = self.class.platform_file if file.nil?

  json_path = File.join(path, file)

  if File.readable?(json_path)
    load_json(File.read(json_path))
  end
end

Class Method Details

.platform_file ⇒ Object 



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# File 'lib/ecomdev/chefspec/helpers/platform.rb', line 175

def platform_file
  @platform_file ||= 'platform.json'
end

.platform_file=(value) ⇒ Object 



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# File 'lib/ecomdev/chefspec/helpers/platform.rb', line 179

def platform_file=(value)
  @platform_file = value
end

.platform_path ⇒ Object 



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# File 'lib/ecomdev/chefspec/helpers/platform.rb', line 157

def platform_path
  @platform_path ||= RSpec.configuration.default_path
end

.platform_path=(value) ⇒ Object 



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# File 'lib/ecomdev/chefspec/helpers/platform.rb', line 161

def platform_path=(value)
  unless value.nil?
    value = Pathname.new value

    if value.relative? && value.to_path[0] != '~'
      value = Pathname.new File.join(RSpec.configuration.default_path, value.to_path)
    end

    value = value.to_path
  end

  @platform_path = value
end

Instance Method Details

#filter(*conditions) ⇒ Object

Returns list of available os versions filtered by conditions

Each condition is treated as OR operation If no condition is specified all items are listed If TrueClass is supplied as one of the arguments it filters only last versions



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# File 'lib/ecomdev/chefspec/helpers/platform.rb', line 53

def filter(*conditions)
  latest = !conditions.select {|item| item === true }.empty?
  filters = translate_conditions(conditions)
  items = list(latest)
  unless filters.empty?
    items = items.select do |item|
      !filters.select {|filter| match_filter(filter, item) }.empty?
    end

  end
  items
end

#list(latest = false) ⇒ Array<Hash{Symbol => String, Symbol}>

Returns list of available os versions

Parameters:

  • latest (TrueClass, FalseClass) (defaults to: false) —

    specify if would like to receive only latest

Returns:

  • (Array<Hash{Symbol => String, Symbol}>) —

    list of os versions in view of hash



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# File 'lib/ecomdev/chefspec/helpers/platform.rb', line 144

def list(latest = false)
  result = []
  @os.map do |os, versions|
    unless latest
      versions.each { |version| result << {os: os, version: version}}
    else
      result << {os: os, version: versions.last} if versions.length > 0
    end
  end
  result
end

#load_json(json_str) ⇒ Object 



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# File 'lib/ecomdev/chefspec/helpers/platform.rb', line 20

def load_json(json_str)
  json = JSON.load(json_str)
  if json.key?('os') && json['os'].is_a?(Hash)
    json['os'].each_pair do |os, version|
      @os[os.to_sym] ||= Array.new
      unless version.is_a?(Array)
        version = [version]
      end
      version.flatten.map {|v| v.to_s }.each do |v|
        @os[os.to_sym] << v unless @os[os.to_sym].include?(v)
      end
    end
  end

  if json.key?('family') && json['family'].is_a?(Hash)
    json['family'].each_pair do |family, os|
      @family[family.to_sym] ||= Array.new
      unless os.is_a?(Array)
        os = [os]
      end
      os.flatten.map { |v| v.to_sym }.select { |v| @os.key?(v) }.each do |v|
        @family[family.to_sym] << v unless @family[family.to_sym].include?(v)
      end
    end
  end
end