Class: SmallWonder::Application

Inherits:
Object
  • Object
show all
Defined in:
lib/small_wonder/application.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(node_name, application_name, opts = {}) ⇒ Application

Returns a new instance of Application.



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# File 'lib/small_wonder/application.rb', line 14

def initialize(node_name, application_name, opts = {})
  @node_name = node_name
  @application_name = application_name

  @config_data = Chef::DataBagItem.load(SmallWonder::Config.databag, application_name).raw_data

  data = Chef::Node.load(node_name)

  unless data[SmallWonder::Config.application_deployment_attribute]
    create_application_deployment_attribute(node_name, application_name)
    data = Chef::Node.load(node_name)
  end

  unless data[SmallWonder::Config.application_deployment_attribute].has_key?(application_name)
    create_application_deployment_attribute_child(node_name, application_name)
    data = Chef::Node.load(node_name)
  end

  unless data[SmallWonder::Config.application_deployment_attribute][application_name]
    update_application_data(node_name, application_name, "version", "0")
    update_application_data(node_name, application_name, "status", "new")
  end

  # set version to application version if we have one
  @version = opts[:version] || nil

  # set status to status before we update for deploy
  @status = opts[:status] || get_status(node_name, application_name)

  # save the data back to the chef node
  update_application_data(node_name, application_name, "status", "initialized")

  # save metadata back to chef
  if opts[:metadata]
    update_application_data(node_name, application_name, "data", opts[:metadata])
  end
end

Instance Attribute Details

#application_name ⇒ Object (readonly)

Returns the value of attribute application_name.



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# File 'lib/small_wonder/application.rb', line 12

def application_name
  @application_name
end

#config_data ⇒ Object (readonly)

Returns the value of attribute config_data.



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# File 'lib/small_wonder/application.rb', line 12

def config_data
  @config_data
end

#node_name ⇒ Object (readonly)

Returns the value of attribute node_name.



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# File 'lib/small_wonder/application.rb', line 12

def node_name
  @node_name
end

#status ⇒ Object

In small wonder an application object has the following constituent parts: node name application name version status databag-based config data



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# File 'lib/small_wonder/application.rb', line 11

def status
  @status
end

#version ⇒ Object

In small wonder an application object has the following constituent parts: node name application name version status databag-based config data



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# File 'lib/small_wonder/application.rb', line 11

def version
  @version
end