Class: HieraSimulator::Facts

Inherits:
Object
  • Object
show all
Defined in:
lib/hiera-simulator/facts.rb

Overview

Gather facts from the specified backend(s)

Class Method Summary collapse

Class Method Details

.facts(config, node, stringify_facts = nil) ⇒ Object

Constructor

Parameters:



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# File 'lib/hiera-simulator/facts.rb', line 6

def self.facts(config, node, stringify_facts = nil)
  override = {}
  override[:stringify_facts] = stringify_facts unless stringify_facts.nil?
  errors = []
  backends = config.get(:backends, %w(FileSystem PuppetDB))
  backends = ['FactFile'] unless config.get('fact_file', nil).nil?
  backends.each do |backend|
    begin
      obj = Module.const_get("HieraSimulator::FactSource::#{backend}").new(config, override)
      return obj.facts(node)
    rescue HieraSimulator::FactSourceError, HieraSimulator::FactLookupError => exc
      errors << { exception: exc, backend: backend }
      next
    end
  end
  raise "Unable to retrieve facts for #{node}:\n#{format_errors(errors)}"
end

.format_errors(error_array) ⇒ Object 



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# File 'lib/hiera-simulator/facts.rb', line 24

def self.format_errors(error_array)
  error_array.map { |x| "- #{x[:backend]}: #{x[:exception]}" }.join("\n")
end