Class: Racker::Template

Inherits:
Smash show all
Defined in:
lib/racker/template.rb

Overview

This class handles the bulk of the legwork working with Racker templates

Instance Method Summary collapse

Methods inherited from Smash

#[], #compact, #convert_value, #deep_merge!, #dup, #method_missing

Methods inherited from Mash

#[]=, #default, #delete, #except, #fetch, from_hash, #initialize, #initialize_copy, #key?, #merge, #regular_update, #regular_writer, #stringify_keys!, #symbolize_keys, #to_hash, #update, #values_at

Constructor Details

This class inherits a constructor from Mash

Dynamic Method Handling

This class handles dynamic methods through the method_missing method in the class Smash

Instance Method Details

#get_builder(type) ⇒ Object 



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# File 'lib/racker/template.rb', line 61

def get_builder(type)
  case type
  when /amazon/
    Racker::Builders::Amazon.new
  when /digitalocean/
    Racker::Builders::DigitalOcean.new
  when /docker/
    Racker::Builders::Docker.new
  when /googlecompute/
    Racker::Builders::Google.new
  when /openstack/
    Racker::Builders::OpenStack.new
  when /qemu/
    Racker::Builders::QEMU.new
  when /virtualbox/
    Racker::Builders::Virtualbox.new
  when /vmware/
    Racker::Builders::VMware.new
  else
    Racker::Builders::Builder.new
  end
end

#to_packer ⇒ Object

This formats the template into packer format hash



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# File 'lib/racker/template.rb', line 17

def to_packer
  # Get the global logger
  log = Log4r::Logger['racker']
  
  # Create the new smash
  packer = Smash.new

  # Variables
  packer['variables'] = self['variables'].dup unless self['variables'].nil? || self['variables'].empty?
  
  # Builders
  packer['builders'] = [] unless self['builders'].nil? || self['builders'].empty?
  log.info("Processing builders...")
  self['builders'].each do |name,config|
    log.info("Processing builder: #{name} with type: #{config['type']}")

    # Get the builder for this config
    builder = get_builder(config['type'])

    # Have the builder convert the config to packer format
    packer['builders'] << builder.to_packer(name, config.dup)
  end

  # Provisioners
  packer['provisioners'] = [] unless self['provisioners'].nil? || self['provisioners'].empty?
  log.info("Processing provisioners...")
  self['provisioners'].sort.map do |index, provisioners|
    provisioners.each do |name,config|
      log.debug("Processing provisioner: #{name}")
     packer['provisioners'] << config.dup
    end
  end

  # Post-Processors
  packer['post-processors'] = [] unless self['postprocessors'].nil? || self['postprocessors'].empty?
  log.info("Processing post-processors...")
  self['postprocessors'].each do |name,config|
    log.debug("Processing post-processor: #{name}")
    packer['post-processors'] << config.dup unless config.nil?
  end

  packer
end