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 37

def self.namespace
  :corl
end

Instance Method Details

#configure ⇒ Object 



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# File 'lib/core/plugin/cloud_action.rb', line 43

def configure
  super do
    yield if block_given?
    node_config
  end
end

#ensure_network(network, &block) ⇒ Object 



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# File 'lib/core/plugin/cloud_action.rb', line 182

def ensure_network(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 192

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 107

def execute(use_network = true, &code)
  if use_network
    super(true, true) do
      node_exec do |node, network|
        hook_config = { :node => node, :network => network }
      
        code.call(node, network) 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, network, op, data) ⇒ Object 



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# File 'lib/core/plugin/cloud_action.rb', line 175

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

#init_network(path = nil) ⇒ Object 



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# File 'lib/core/plugin/cloud_action.rb', line 158

def init_network(path = nil)
  # 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
  
  # Load network if it exists
  network_config = extended_config(:network, { :directory => network_path })
  network        = CORL.network(network_path, network_config, settings[:net_provider])
  network  
end

#node_config ⇒ Object

Settings



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# File 'lib/core/plugin/cloud_action.rb', line 53

def node_config
  node_plugins = CORL.loaded_plugins(:CORL, :node)
  
  register :parallel, :bool, true, 'corl.core.action.options.parallel'
  register :net_remote, :str, :edit, 'corl.core.action.options.net_remote'
  register :net_provider, :str, :corl, 'corl.core.action.options.net_provider' do |value|
    value           = value.to_sym
    network_plugins = CORL.loaded_plugins(:CORL, :network)
    
    unless network_plugins.keys.include?(value)
      warn('corl.core.action.errors.network_provider', { :value => value, :choices => network_plugins.keys.join(", ") })
      next false 
    end
    true
  end
  register :node_provider, :str, :local, 'corl.core.action.options.node_provider' do |value|
    value          = value.to_sym      
    node_providers = node_plugins.keys
    
    unless CORL.vagrant? || node_providers.include?(value)
      warn('corl.core.action.errors.node_provider', { :value => value, :choices => node_providers.join(", ") })
      next false
    end
    true  
  end
  register :nodes, :array, [], 'corl.core.action.options.nodes' do |values|
    success = true
    values.each do |value|
      if info = CORL.plugin_class(:CORL, :node).translate_reference(value)
        if ! node_plugins.keys.include?(info[:provider].to_sym) || info[:name].empty?
          warn('corl.core.action.errors.nodes', { :value => value, :provider => info[:provider],  :name => info[:name] })
          success = false
        end
      end
    end
    success
  end
end

#node_exec ⇒ Object 



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# File 'lib/core/plugin/cloud_action.rb', line 124

def node_exec
  network = init_network
  
  #
  # 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)
      exec_config.delete(:nodes)
            
      result = node.action(plugin_provider, exec_config) do |op, data|
        execute_remote(node, network, 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
    
    if validate(node, network)
      yield(node, network) 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 94

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

#sanitize_remote(network, remote) ⇒ Object

Utilities



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# File 'lib/core/plugin/cloud_action.rb', line 205

def sanitize_remote(network, remote)
  remote && 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 101

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