Class: Nucleon::Plugin::CloudAction

Inherits:
Object
  • Object
show all
Defined in:
lib/core/plugin/cloud_action.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.namespace ⇒ Object

Property accessor / modifiers



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# File 'lib/core/plugin/cloud_action.rb', line 46

def self.namespace
  :corl
end

Instance Method Details

#configure ⇒ Object 



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# File 'lib/core/plugin/cloud_action.rb', line 62

def configure
  super do
    yield if block_given?
    node_config
  end
end

#ensure_network(&block) ⇒ Object 



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# File 'lib/core/plugin/cloud_action.rb', line 179

def ensure_network(&block)
  codes :network_failure

  if network
    block.call
  else
    myself.status = code.network_failure
  end
end

#ensure_node(node, &block) ⇒ Object 



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# File 'lib/core/plugin/cloud_action.rb', line 189

def ensure_node(node, &block)
  codes :node_failure

  if node
    block.call
  else
    myself.status = code.node_failure
  end
end

#execute(use_network = true, &code) ⇒ Object 



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# File 'lib/core/plugin/cloud_action.rb', line 97

def execute(use_network = true, &code)
  if use_network
    super(true, true) do
      node_exec do |node|
        hook_config = { :node => node, :network => network }

        code.call(node) if code && extension_check(:exec_init, hook_config)
        myself.status = extension_set(:exec_exit, status, hook_config)
      end
    end
  else
    super(false, false, &code)
  end
end

#execute_remote(node, op, data) ⇒ Object 



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# File 'lib/core/plugin/cloud_action.rb', line 172

def execute_remote(node, op, data)
  # Implement in sub classes if needed
  data
end

#init_network(provider = nil, path = nil) ⇒ Object 



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# File 'lib/core/plugin/cloud_action.rb', line 150

def init_network(provider = nil, path = nil)
  provider = extension_set(:network_provider, :corl) unless provider

  # Get network configuration path
  if CORL.admin?
    network_path = lookup(:corl_network)
    Dir.mkdir(network_path) unless File.directory?(network_path)
  else
    network_path = ( path.nil? ? Dir.pwd : File.expand_path(path) )
  end

  if File.exists?(File.join(network_path, '.nucleon'))
    # Load network if it exists
    network_config = extended_config(:network, { :directory => network_path, :new => true })
    @network       = CORL.network(network_path, network_config, provider)
  else
    @network = nil
  end
end

#network ⇒ Object 



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# File 'lib/core/plugin/cloud_action.rb', line 56

def network
  @network
end

#network=(network) ⇒ Object 



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# File 'lib/core/plugin/cloud_action.rb', line 52

def network=network
  @network = network
end

#node_config ⇒ Object

Settings



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# File 'lib/core/plugin/cloud_action.rb', line 72

def node_config
  register_str :net_remote, :edit, 'corl.core.action.options.net_remote'
  register_network_provider :net_provider, :corl, [ 'corl.core.action.options.net_provider', 'corl.core.action.errors.network_provider' ]

  register_node_provider :node_provider, :local, [ 'corl.core.action.options.node_provider', 'corl.core.action.errors.node_provider' ]
  register_nodes :nodes, [], [ 'corl.core.action.options.nodes', 'corl.core.action.errors.nodes' ]

  register_bool :parallel, true, 'corl.core.action.options.parallel'
end

#node_exec ⇒ Object 



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# File 'lib/core/plugin/cloud_action.rb', line 114

def node_exec
  init_network(settings[:net_provider]) unless network && settings[:net_provider].to_sym == network.plugin_provider

  #
  # A fork in the road...
  #
  if network && network.has_nodes? && ! settings[:nodes].empty?
    # Execute action on remote nodes
    success = network.batch(settings[:nodes], settings[:node_provider], settings[:parallel]) do |node|
      exec_config = Config.new(settings, {}, true, false)
      exec_config.delete(:nodes)

      result = node.action(plugin_provider, exec_config) do |op, data|
        execute_remote(node, op, data)
      end
      result.status == code.success
    end
    myself.status = code.batch_error unless success
  else
    # Execute statement locally
    node = nil
    node = network.local_node if network

    settings[:net_remote] = sanitize_remote(settings[:net_remote]) if settings.has_key?(:net_remote)

    if validate(node, network)
      yield(node) if block_given?
    else
      puts "\n" + I18n.t('nucleon.core.exec.help.usage') + ': ' + help + "\n" unless quiet?
      myself.status = code.validation_failed
    end
  end
end

#node_ignore ⇒ Object 



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# File 'lib/core/plugin/cloud_action.rb', line 84

def node_ignore
  [ :parallel, :node_provider, :nodes ]
end

#normalize(reload) ⇒ Object

Constuctor / Destructor



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# File 'lib/core/plugin/cloud_action.rb', line 37

def normalize(reload)
  super do
    init_network
  end
end

#parse_property_name(property) ⇒ Object 



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# File 'lib/core/plugin/cloud_action.rb', line 214

def parse_property_name(property)
  property = property.clone

  if property.size > 1
    property.shift.to_s + '[' + property.join('][') + ']'
  else
    property.shift.to_s
  end
end

#remote_message(remote) ⇒ Object 



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# File 'lib/core/plugin/cloud_action.rb', line 208

def remote_message(remote)
  remote ? "#{remote}" : "LOCAL ONLY"
end

#sanitize_remote(remote) ⇒ Object

Utilities



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# File 'lib/core/plugin/cloud_action.rb', line 202

def sanitize_remote(remote)
  remote && ( ! network || network.remote(remote) ) ? remote : nil
end

#validate(node = nil, network = nil) ⇒ Object

Operations



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# File 'lib/core/plugin/cloud_action.rb', line 91

def validate(node = nil, network = nil)
  super(node, network)
end