Class: Jerakia::Datasource

Inherits:
Object
  • Object
show all
Defined in:
lib/jerakia/datasource.rb,
lib/jerakia/datasource/file.rb,
lib/jerakia/datasource/http.rb,
lib/jerakia/datasource/dummy.rb,
lib/jerakia/datasource/file/yaml.rb

Defined Under Namespace

Modules: Dummy, File, Http

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name, lookup, opts) ⇒ Datasource

Returns a new instance of Datasource.



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# File 'lib/jerakia/datasource.rb', line 9

def initialize(name, lookup, opts)
  @response = Jerakia::Response.new(lookup)
  @options = opts
  @lookup = lookup
  @name = name
  require "jerakia/datasource/#{name.to_s}"
  # rescue loaderrer
  eval "extend Jerakia::Datasource::#{name.to_s.capitalize}"
end

Instance Attribute Details

#lookup ⇒ Object (readonly)

Returns the value of attribute lookup.



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# File 'lib/jerakia/datasource.rb', line 7

def lookup
  @lookup
end

#options ⇒ Object (readonly)

Returns the value of attribute options.



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# File 'lib/jerakia/datasource.rb', line 6

def options
  @options
end

#response ⇒ Object (readonly)

Returns the value of attribute response.



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# File 'lib/jerakia/datasource.rb', line 5

def response
  @response
end

Instance Method Details

#option(opt, data = {}) ⇒ Object 



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# File 'lib/jerakia/datasource.rb', line 25

def option(opt, data={})
  @options[opt] ||= data[:default] || nil
  Jerakia.log.debug("[#{whoami}]: options[#{opt}] to #{options[opt]} [#{options[opt].class}]")
  if @options[opt].nil?
    Jerakia.crit "#{opt} must be configured in #{whoami}" if data[:mandatory]
  else 
    if data[:type]
      unless Array(data[:type]).include?(@options[opt].class)
        Jerakia.crit "#{opt} is a #{opt.class} but must be a #{data[:type].to_s} in #{whoami}"
      end
    end
  end
end

#whoami ⇒ Object

used for verbose logging



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# File 'lib/jerakia/datasource.rb', line 21

def whoami
  "datasource=#{@name}  lookup=#{@lookup.name}"
end