Class: Vmreverter::Configuration

Inherits:
Object
  • Object
show all
Includes:
Singleton
Defined in:
lib/vmreverter/configuration.rb

Overview

Config was taken by Ruby.

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Configuration

Returns a new instance of Configuration.



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# File 'lib/vmreverter/configuration.rb', line 15

def initialize
  @options = @@options
  @logger = @@logger
  config_file = @options[:config]
  @config = load_file(config_file)
end

Instance Attribute Details

#config ⇒ Object (readonly)

Returns the value of attribute config.



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# File 'lib/vmreverter/configuration.rb', line 8

def config
  @config
end

#logger ⇒ Object (readonly)

Returns the value of attribute logger.



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# File 'lib/vmreverter/configuration.rb', line 8

def logger
  @logger
end

#options ⇒ Object (readonly)

Returns the value of attribute options.



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# File 'lib/vmreverter/configuration.rb', line 8

def options
  @options
end

Class Method Details

.build(options, logger) ⇒ Object 



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# File 'lib/vmreverter/configuration.rb', line 10

def self.build(options, logger)
  @@options = options
  @@logger = logger
end

Instance Method Details

#[](key) ⇒ Object 



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# File 'lib/vmreverter/configuration.rb', line 22

def [](key)
  @config[key]
end

#dump ⇒ Object

Print out test configuration



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# File 'lib/vmreverter/configuration.rb', line 56

def dump

  # Access "tags" for each host
  @config["HOSTS"].each_key do|host|
    @config["HOSTS"][host]['tags'].each do |tag|
      @logger.notify "Tags for #{host} #{tag}"
    end
  end

  # Access @config keys/values
  @config["CONFIG"].each_key do|cfg|
      @logger.notify "Config Key|Val: #{cfg} #{@config["CONFIG"][cfg].inspect}"
  end
end

#load_file(config_file) ⇒ Object 



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# File 'lib/vmreverter/configuration.rb', line 26

def load_file(config_file)
  if config_file.is_a? Hash
    config = config_file
  else
    config = YAML.load_file(config_file)

    # Make sure the tag array is present for all hosts
    config['HOSTS'].each_key do |host|
      config['HOSTS'][host]['tags'] ||= []

      report_and_raise(@logger, RuntimeError.new("Missing hypervisor: (#{host})"), "Configuration::load_file")  unless config['HOSTS'][host].include? "hypervisor"
      hypervisor = config['HOSTS'][host]['hypervisor'].downcase
      #check to see if this host has a hypervisor
      report_and_raise(@logger, RuntimeError.new("Invalid hypervisor: #{hypervisor} (#{host})"), "Configuration::load_file") unless Vmreverter::HYPERVISOR_TYPES.include? hypervisor

      #check to see if this host has a hypervisor
      report_and_raise(@logger, RuntimeError.new("Missing snapshot: (#{host})"), "Configuration::load_file")  unless config['HOSTS'][host].include? "snapshot"

    end

  end

  # Merge some useful date into the config hash
  config['CONFIG'] ||= {}

  config
end