Class: Nucleon::Plugin::Node

Inherits:
Object
  • Object
show all
Includes:
Celluloid
Defined in:
lib/core/plugin/node.rb

Class Method Summary collapse

Instance Method Summary collapse

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(method, *args, &code) ⇒ Object 



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# File 'lib/core/plugin/node.rb', line 47

def method_missing(method, *args, &code)  
  action(method, *args) do |op, data|
    code.call(op, data) if code
  end
end

Class Method Details

.build_info(type, data) ⇒ Object

Utilities



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# File 'lib/core/plugin/node.rb', line 1046

def self.build_info(type, data)  
  data = data.split(/\s*,\s*/) if data.is_a?(String)
  super(type, data)
end

.translate(data) ⇒ Object 



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# File 'lib/core/plugin/node.rb', line 1053

def self.translate(data)
  options = super(data)
  
  case data        
  when String
    options = { :name => data }
  when Hash
    options = data
  end
  
  if options.has_key?(:name)
    if matches = translate_reference(options[:name])
      options[:provider] = matches[:provider]
      options[:name]     = matches[:name]
      
      logger.debug("Translating node options: #{options.inspect}")  
    end
  end
  options
end

.translate_reference(reference) ⇒ Object 



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# File 'lib/core/plugin/node.rb', line 1076

def self.translate_reference(reference)
  # ex: rackspace:::web1.staging.example.com
  if reference && reference.match(/^\s*([a-zA-Z0-9_-]+):::([^\s]+)\s*$/)
    provider = $1
    name     = $2
    
    logger.debug("Translating node reference: #{provider}  #{name}")
    
    info = {
      :provider => provider,
      :name     => name
    }
    
    logger.debug("Project reference info: #{info.inspect}")
    return info
  end
  nil
end

Instance Method Details

#action(provider, options = {}) ⇒ Object 



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# File 'lib/core/plugin/node.rb', line 665

def action(provider, options = {})
  codes :network_load_error
  
  config = Config.ensure(options).defaults({
    :log_level    => Nucleon.log_level,
    :net_remote   => :edit, 
    :net_provider => network.plugin_provider 
  })
  
  logger.info("Executing remote action #{provider} with encoded arguments: #{config.export.inspect}")
  
  encoded_config = Util::CLI.encode(Util::Data.clean(config.export))
  action_config  = extended_config(:action, {
    :command => provider, 
    :data    => { :encoded => encoded_config }
  })
  
  result = command(:corl, { :subcommand => action_config, :as_admin => true }) do |op, data|
    yield(op, data) if block_given?  
  end
  
  # Update local network configuration so we capture any updates
  if result.status == code.success && ! network.load({ :remote => config[:net_remote], :pull => true })
    result.status = code.network_load_error
  end
  result
end

#attach_keys(keypair) ⇒ Object 



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# File 'lib/core/plugin/node.rb', line 359

def attach_keys(keypair)
  base_name   = "#{plugin_provider}-#{plugin_name}"
  save_config = { 
    :pull    => false, 
    :push    => false,
    :message => "Updating SSH keys for node #{plugin_provider} (#{plugin_name})" 
  }
  
  active  = machine && machine.running?
  result  = run.authorize({ :public_key => keypair.ssh_key }) if active
  success = false
  
  if ! active || result.status == code.success        
    private_key = network.attach_data(:keys, "#{base_name}-id_#{keypair.type}", keypair.encrypted_key)
    public_key  = network.attach_data(:keys, "#{base_name}-id_#{keypair.type}.pub", keypair.ssh_key)
  
    if private_key && public_key
      FileUtils.chmod(0600, private_key)
      FileUtils.chmod(0644, public_key)
    
      save_config[:files] = [ private_key, public_key ]
  
      myself.private_key = private_key
      myself.public_key  = public_key
  
      success = save(extended_config(:key_save, save_config))
    end
  end
  success
end

#bootstrap(local_path, options = {}) ⇒ Object 



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# File 'lib/core/plugin/node.rb', line 735

def bootstrap(local_path, options = {})
  config      = Config.ensure(options)
  myself.status = code.unknown_status
  
  bootstrap_name = 'bootstrap'    
  bootstrap_path = config.get(:bootstrap_path, File.join(CORL.lib_path, '..', bootstrap_name))
  bootstrap_glob = config.get(:bootstrap_glob, '**/*.sh')
  bootstrap_init = config.get(:bootstrap_init, 'bootstrap.sh')
  
  user_home  = config[:home]
  auth_files = config.get_array(:auth_files)
  
  codes :local_path_not_found,
        :home_path_lookup_failure,
        :auth_upload_failure,
        :root_auth_copy_failure,
        :bootstrap_upload_failure,
        :bootstrap_exec_failure,
        :reload_failure
  
  if File.directory?(local_path)      
    if user_home || user_home = home(config.get(:home_env_var, 'HOME'), config.get(:force, false))
      myself.status = code.success
      
      # Transmit authorisation / credential files
      package_files = [ '.fog', '.netrc', '.google-privatekey.p12', '.vimrc' ]
      auth_files.each do |file|
        package_files << file.gsub(local_path + '/', '')
      end
      send_success = send_files(local_path, user_home, package_files, '0600') do |op, data|
        yield("send_#{op}".to_sym, data) if block_given?
        data
      end
      unless send_success
        myself.status = code.auth_upload_failure
      end
      
      if user.to_sym != config.get(:root_user, :root).to_sym
        auth_files     = package_files.collect { |path| "'#{path}'"}
        root_home_path = config.get(:root_home, '/root')
        
        result        = command("cp #{auth_files.join(' ')} #{root_home_path}", { :as_admin => true })
        myself.status = code.root_auth_copy_failure unless result.status == code.success  
      end
  
      # Send bootstrap package
      if status == code.success
        remote_bootstrap_path = File.join(user_home, bootstrap_name)
        
        cli.rm('-Rf', remote_bootstrap_path)
        send_success = send_files(bootstrap_path, remote_bootstrap_path, nil, '0700') do |op, data|
          yield("send_#{op}".to_sym, data) if block_given?
          data
        end
        unless send_success
          myself.status = code.bootstrap_upload_failure
        end
        
        # Execute bootstrap process
        if status == code.success
          remote_script = File.join(remote_bootstrap_path, bootstrap_init)
          
          myself[:bootstrap] = remote_script
          
          result = command("HOSTNAME='#{hostname}' #{remote_script}", { :as_admin => true }) do |op, data|
            yield("exec_#{op}".to_sym, data) if block_given?
            data
          end
          
          if result.status == code.success
            # Reboot the machine
            unless reload
              warn('corl.core.node.bootstrap.reload')
              myself.status = code.reload_failure 
            end
          else
            warn('corl.core.node.bootstrap.status', { :script => remote_script, :status => result.status })
            myself.status = code.bootstrap_exec_failure
          end
        end
      end
    else
      myself.status = code.home_path_lookup_failure            
    end
  else
    myself.status = code.local_path_not_found
  end
  status == code.success
end

#build(options = {}) ⇒ Object

Machine operations



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# File 'lib/core/plugin/node.rb', line 327

def build(options = {})
  config  = Config.ensure(options)
  success = true
  
  provisioners.each do |provider, collection|
    ui.info("Building #{provider} provisioner collection")
        
    collection.each do |name, provisioner|
      ui.info("Building #{name} provisioner")
      
      unless provisioner.build(options)
        success = false
        break
      end
    end
  end
  
  if success
    ui.success("Saving successful build")
    
    myself[:build] = Time.now.to_s
  
    success = save(extended_config(:build, {
      :message => config.get(:message, "Built #{plugin_provider} node: #{plugin_name}"),
      :remote  => config.get(:remote, :edit)  
    }))
  end
  success
end

#build_time ⇒ Object 



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# File 'lib/core/plugin/node.rb', line 308

def build_time
  myself[:build]
end

#cli ⇒ Object 



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# File 'lib/core/plugin/node.rb', line 633

def cli
  @cli_interface
end

#cli_capture(cli_command, *args) ⇒ Object

CLI utilities



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# File 'lib/core/plugin/node.rb', line 1104

def cli_capture(cli_command, *args)
  result = cli.send(cli_command, args)
           
  if result.status == code.success && ! result.output.empty? 
    result.output
  else
    nil
  end  
end

#cli_check(cli_command, *args) ⇒ Object 



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# File 'lib/core/plugin/node.rb', line 1116

def cli_check(cli_command, *args)
  result = cli.send(cli_command, args)
  result.status == code.success ? true : false  
end

#command(command, options = {}) ⇒ Object 



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# File 'lib/core/plugin/node.rb', line 641

def command(command, options = {})
  config   = Config.ensure(options)
  as_admin = config.delete(:as_admin, false)
  
  unless command.is_a?(CORL::Plugin::Command)
    command = CORL.command(Config.new({ :command => command }).import(config), :bash)
  end
  
  admin_command = ''
  if as_admin
    admin_command = 'sudo' if user.to_s != 'root'
    admin_command = extension_set(:admin_command, admin_command, config)
  end
  
  results = exec({ :commands => [ "#{admin_command} #{command.to_s}".strip ] }) do |op, data|
    yield(op, data) if block_given?  
  end    
  results.first 
end

#create(options = {}) ⇒ Object 



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# File 'lib/core/plugin/node.rb', line 430

def create(options = {})
  success = true
  
  if machine
    config = Config.ensure(options)
    
    clear_cache
    
    if extension_check(:create, { :config => config })
      logger.info("Creating node: #{plugin_name}")
    
      yield(:config, config) if block_given?      
      success = machine.create(config.export)
      
      if success && block_given?
        process_success = yield(:process, config)
        success         = process_success if process_success == false        
      end
      
      if success
        extension(:create_success, { :config => config })
      end
    end
  else
    logger.warn("Node #{plugin_name} does not have an attached machine so cannot be created")
  end
  success
end

#create_image(options = {}) ⇒ Object 



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# File 'lib/core/plugin/node.rb', line 924

def create_image(options = {})
  success = true
  
  if machine && machine.running?
    config = Config.ensure(options)
    
    if extension_check(:create_image, { :config => config })
      logger.info("Executing node: #{plugin_name}")
    
      yield(:config, config) if block_given?      
      success = machine.create_image(config.export)
      success = save(config) if success
      
      if success && block_given?
        process_success = yield(:process, config)
        success         = process_success if process_success == false        
      end
      
      if success
        extension(:create_image_success, { :config => config })
      end
    end
  else
    logger.warn("Node #{plugin_name} does not have an attached machine or is not running so cannot create an image")
  end
  success   
end

#create_machine(name, provider, options = {}) ⇒ Object 



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# File 'lib/core/plugin/node.rb', line 424

def create_machine(name, provider, options = {})
  CORL.create_plugin(:machine, provider, extended_config(name, options).import({ :meta => { :parent => myself }}))
end

#delete_keys ⇒ Object 



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# File 'lib/core/plugin/node.rb', line 392

def delete_keys
  private_key = myself[:private_key]
  public_key  = myself[:public_key]
  
  keys = []
  keys << private_key if private_key
  keys << public_key if public_key
  
  success = true
  
  unless keys.empty?
    files = network.delete_attachments(keys)
    
    if files && ! files.empty?
      delete_setting(:private_key)
      delete_setting(:public_key)
      
      success = save(extended_config(:key_delete, {
        :files   => [ private_key, public_key ], 
        :pull    => false, 
        :push    => false,
        :message => "Removing SSH keys for node #{plugin_provider} (#{plugin_name})"  
      }))
    else
      success = false
    end
  end
  success
end

#destroy(options = {}) ⇒ Object 



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# File 'lib/core/plugin/node.rb', line 999

def destroy(options = {})    
  success = true
  
  if machine && machine.created?
    config = Config.ensure(options)
    
    if extension_check(:destroy, { :config => config })
      logger.info("Destroying node: #{plugin_name}")
    
      yield(:config, config) if block_given?
      
      # Shut down machine      
      success = machine.destroy(config.export)
      
      myself.machine = nil
      
      # Remove SSH keys
      if success && delete_keys
        # Remove node information
        network.delete_node(plugin_provider, plugin_name, false)
        
        network.save({
          :commit => true, 
          :remote => config.get(:remote, :edit), 
          :push   => true 
        })
      end      
      
      if success && block_given?
        process_success = yield(:process, config)
        success         = process_success if process_success == false        
      end
      
      if success
        extension(:destroy_success, { :config => config })
        clear_cache
      end
    end
  else
    logger.warn("Node #{plugin_name} does not have an attached machine or is not created so cannot be destroyed")
  end
  success    
end

#download(remote_path, local_path, options = {}) ⇒ Object 



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# File 'lib/core/plugin/node.rb', line 461

def download(remote_path, local_path, options = {})
  success = false
  
  if machine && machine.running?
    config      = Config.ensure(options)
    hook_config = Config.new({ :local_path => local_path, :remote_path => remote_path, :config => config })
    
    if extension_check(:download, hook_config)
      logger.info("Downloading from #{plugin_name}")
    
      render("Starting download of #{remote_path} to #{local_path}") 
      yield(:config, hook_config) if block_given?
      
      active_machine = local? ? local_machine : machine
      
      success = active_machine.download(remote_path, local_path, config.export) do |name, received, total|
        render("#{name}: Sent #{received} of #{total}")
        yield(:progress, { :name => name, :received => received, :total => total })
      end
      
      if success && block_given?
        render("Successfully finished download of #{remote_path} to #{local_path}")
        process_success = yield(:process, hook_config)
        success         = process_success if process_success == false        
      end
      
      if success
        extension(:download_success, hook_config)
      end
    end
  else
    logger.warn("Node #{plugin_name} does not have an attached machine or is not running so cannot download")
  end
  success
end

#exec(options = {}) ⇒ Object 



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# File 'lib/core/plugin/node.rb', line 572

def exec(options = {})
  default_error = Util::Shell::Result.new(:error, 255)
  results       = [ default_error ]
  
  if machine && machine.running?
    config = Config.ensure(options)
    
    if extension_check(:exec, { :config => config })
      logger.info("Executing node: #{plugin_name}")
            
      yield(:config, config) if block_given?
      
      if local? && local_machine
        active_machine = local_machine
        
        config[:info_prefix]  = "[#{hostname}] "
        config[:error_prefix] = "[#{hostname}] "
      else
        active_machine = machine
      end
      
      if commands = config.get(:commands, nil)
        results = active_machine.exec(commands, config.export) do |type, command, data|
          unless local?
            if type == :error
              alert(filter_output(type, data))
            else
              render(filter_output(type, data))
            end
          end
          yield(:progress, { :type => type, :command => command, :data => data }) if block_given?   
        end
      else
        default_error.append_errors("No execution command")    
      end
      
      if results
        success = true
        results.each do |result|
          success = false if result.status != code.success  
        end
        if success
          yield(:process, config) if block_given?
          extension(:exec_success, { :config => config, :results => results }) 
        end
      else
        default_error.append_errors("No execution results")
      end
    else
      default_error.append_errors("Execution prevented by exec hook")
    end
  else
    default_error.append_errors("No attached machine")
    
    logger.warn("Node #{plugin_name} does not have an attached machine or is not running so cannot execute commands")
  end
  results 
end

#filter_output(type, data) ⇒ Object 



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# File 'lib/core/plugin/node.rb', line 1123

def filter_output(type, data)
  data  
end

#home(env_var = 'HOME', reset = false) ⇒ Object 



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# File 'lib/core/plugin/node.rb', line 160

def home(env_var = 'HOME', reset = false)
  if reset || myself[:user_home].nil?
    myself[:user_home] = cli_capture(:echo, '$' + env_var.to_s.gsub('$', '')) if machine
  end
  myself[:user_home]
end

#hostname ⇒ Object 



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# File 'lib/core/plugin/node.rb', line 119

def hostname
  hostname = myself[:hostname]
  
  if hostname.to_s != ui.resource.to_s 
    ui.resource = Util::Console.colorize(hostname, @class_color)
    logger      = hostname
  end
  hostname
end

#id(reset = false) ⇒ Object 



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# File 'lib/core/plugin/node.rb', line 100

def id(reset = false)
  myself[:id] = machine.plugin_name if machine && ( reset || myself[:id].nil? )
  myself[:id]
end

#image(reset = false) ⇒ Object 



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# File 'lib/core/plugin/node.rb', line 264

def image(reset = false)
  myself[:image] = machine.image if machine && ( reset || myself[:image].nil? )
  myself[:image]
end

#image=(image) ⇒ Object 



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# File 'lib/core/plugin/node.rb', line 260

def image=image
  myself[:image] = image
end

#image_id(image) ⇒ Object

Image utilities



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# File 'lib/core/plugin/node.rb', line 1143

def image_id(image)
  image.id
end

#image_search_text(image) ⇒ Object 



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# File 'lib/core/plugin/node.rb', line 1155

def image_search_text(image)
  image.to_s
end

#images(search_terms = [], options = {}) ⇒ Object 



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# File 'lib/core/plugin/node.rb', line 221

def images(search_terms = [], options = {})
  config = Config.ensure(options)
  images = []
  
  if machine
    loaded_images = machine.images
  
    if loaded_images
      require_all = config.get(:require_all, false)
      
      loaded_images.each do |image|
        if usable_image?(image)
          include_image = ( search_terms.empty? ? true : require_all )
          image_text    = image_search_text(image)
          
          search_terms.each do |term|
            if config.get(:match_case, false)
              success = image_text.match(/#{term}/)
            else
              success = image_text.match(/#{term}/i)  
            end
            
            if require_all            
              include_image = false unless success
            else
              include_image = true if success  
            end
          end
      
          images << image if include_image
        end
      end
    end
  end
  images
end

#local? ⇒ Boolean

Checks



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# File 'lib/core/plugin/node.rb', line 63

def local?
  @local_context ? true : false
end

#local_machine ⇒ Object 



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# File 'lib/core/plugin/node.rb', line 90

def local_machine
  @local_machine
end

#local_machine=(local_machine) ⇒ Object 



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# File 'lib/core/plugin/node.rb', line 94

def local_machine=local_machine
  @local_machine = local_machine  
end

#localize ⇒ Object 



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# File 'lib/core/plugin/node.rb', line 55

def localize
  @local_context       = true
  myself.local_machine = create_machine(:local_machine, :physical)
end

#machine ⇒ Object 



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# File 'lib/core/plugin/node.rb', line 80

def machine
  @machine
end

#machine=(machine) ⇒ Object 



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

def machine=machine
  @machine = machine  
end

#machine_config {|config| ... } ⇒ Object

Settings groups

Yields:

  • (config) 


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# File 'lib/core/plugin/node.rb', line 315

def machine_config
  name   = myself[:id]
  name   = myself[:hostname] if name.nil? || name.empty?
  config = Config.new({ :name => name })
  
  yield(config) if block_given?
  config
end

#machine_type(reset = false) ⇒ Object 



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# File 'lib/core/plugin/node.rb', line 203

def machine_type(reset = false)
  myself[:machine_type] = machine.machine_type if machine && ( reset || myself[:machine_type].nil? )
  machine_type          = myself[:machine_type]
  
  if machine_type.nil? && machine
    if types = machine_types
      unless types.empty?
        machine_type          = machine_type_id(types.first)
        myself[:machine_type] = machine_type
      end
    end
  end
  
  machine_type
end

#machine_type_id(machine_type) ⇒ Object

Machine type utilities



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# File 'lib/core/plugin/node.rb', line 1130

def machine_type_id(machine_type)
  machine_type.id
end

#machine_types ⇒ Object 



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# File 'lib/core/plugin/node.rb', line 199

def machine_types # Must be set at machine level (queried)
  machine.machine_types if machine
end

#normalize(reload) ⇒ Object

Node plugin interface



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# File 'lib/core/plugin/node.rb', line 11

def normalize(reload)
  super
  
  @class_color = :purple
  
  export.each do |name, value|
    myself[name] = value
  end
  
  ui.resource = Util::Console.colorize(hostname, @class_color)
  logger      = hostname
  
  add_groups([ "all", plugin_provider.to_s, plugin_name.to_s ])
  
  unless reload
    @cli_interface = Util::Liquid.new do |method, args, &code|
      result = exec({ :commands => [ [ method, args ].flatten.join(' ') ] }) do |op, data|
        code.call(op, data) if code
      end
      if result
        result = result.first
        alert(result.errors) unless result.errors.empty?
      end
      result
    end
  
    @action_interface = Util::Liquid.new do |method, args, &code|
      action(method, *args) do |op, data|
        code.call(op, data) if code
      end
    end
  end
end

#private_ip(reset = false) ⇒ Object 



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# File 'lib/core/plugin/node.rb', line 112

def private_ip(reset = false)
  myself[:private_ip] = machine.private_ip if machine && ( reset || myself[:private_ip].nil? )
  myself[:private_ip]
end

#private_key ⇒ Object 



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# File 'lib/core/plugin/node.rb', line 180

def private_key
  config_key = myself[:private_key]
  return File.expand_path(config_key, network.directory) if config_key
  nil
end

#private_key=(private_key) ⇒ Object 



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# File 'lib/core/plugin/node.rb', line 176

def private_key=private_key
  myself[:private_key] = private_key
end

#profiles ⇒ Object 



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# File 'lib/core/plugin/node.rb', line 275

def profiles
  array(myself[:profiles])
end

#profiles=(profiles) ⇒ Object 



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# File 'lib/core/plugin/node.rb', line 271

def profiles=profiles
  myself[:profiles] = array(profiles)
end

#provisioner_info ⇒ Object 



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# File 'lib/core/plugin/node.rb', line 281

def provisioner_info
  provisioner_info = {}
      
  # Compose needed provisioners and profiles
  profiles.each do |profile|        
    if info = Plugin::Provisioner.translate_reference(profile)
      provider = info[:provider]
          
      provisioner_info[provider] = { :profiles => [] } unless provisioner_info.has_key?(provider)
      provisioner_info[provider][:profiles] += info[:profiles]
    end
  end
  provisioner_info
end

#provisioners ⇒ Object 



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# File 'lib/core/plugin/node.rb', line 298

def provisioners
  provisioners = {}        
  provisioner_info.each do |provider, node_profiles|
    provisioners[provider] = network.provisioners(provider)
  end    
  provisioners
end

#public_ip(reset = false) ⇒ Object 



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# File 'lib/core/plugin/node.rb', line 107

def public_ip(reset = false)
  myself[:public_ip] = machine.public_ip if machine && ( reset || myself[:public_ip].nil? )
  myself[:public_ip]
end

#public_key ⇒ Object 



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# File 'lib/core/plugin/node.rb', line 192

def public_key
  config_key = myself[:public_key]
  return File.expand_path(config_key, network.directory) if config_key
end

#public_key=(public_key) ⇒ Object 



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# File 'lib/core/plugin/node.rb', line 188

def public_key=public_key
  myself[:public_key] = public_key
end

#reload(options = {}) ⇒ Object 



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# File 'lib/core/plugin/node.rb', line 895

def reload(options = {})
  success = true
  
  if machine && machine.created?
    config = Config.ensure(options)
    
    if extension_check(:reload, { :config => config })
      logger.info("Reloading node: #{plugin_name}")
    
      yield(:config, config) if block_given?      
      success = machine.reload(config.export)
      
      if success && block_given?
        process_success = yield(:process, config)
        success         = process_success if process_success == false        
      end
      
      if success
        extension(:reload_success, { :config => config })
      end
    end
  else
    logger.warn("Node #{plugin_name} does not have an attached machine or is not created so cannot be reloaded")
  end
  success
end

#render_image(image) ⇒ Object 



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# File 'lib/core/plugin/node.rb', line 1149

def render_image(image)
  ''  
end

#render_machine_type(machine_type) ⇒ Object 



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# File 'lib/core/plugin/node.rb', line 1136

def render_machine_type(machine_type)
  ''  
end

#run ⇒ Object 



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# File 'lib/core/plugin/node.rb', line 695

def run
  @action_interface
end

#save(options = {}) ⇒ Object 



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# File 'lib/core/plugin/node.rb', line 827

def save(options = {})
  config = Config.ensure(options)
  
  # Record machine parameters
  if block_given?
    # Provider or external configuration preparation
    yield(config)  
  else
    # Default configuration preparation
    id(true)
    public_ip(true)
    private_ip(true)
    state(true)
  
    machine_type(false)
    image(false)
  end
  
  network.save(config.import({ 
    :commit      => true,
    :allow_empty => true,
    :message     => config.get(:message, "Saving #{plugin_provider} node #{plugin_name}"),
    :remote      => config.get(:remote, :edit)
  }))    
end

#send_files(local_path, remote_path, files = nil, permission = '0644', &code) ⇒ Object 



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# File 'lib/core/plugin/node.rb', line 537

def send_files(local_path, remote_path, files = nil, permission = '0644', &code)
  local_path = File.expand_path(local_path)
  return false unless File.directory?(local_path)
  
  success = true
  
  send_file = lambda do |local_file, remote_file|
    send_success = upload(local_file, remote_file) do |op, options|
      code.call(op, options) if code
    end
    send_success = cli_check(:chmod, permission, remote_file) if send_success
    send_success  
  end
  
  if files && files.is_a?(Array)
    files.flatten.each do |rel_file_name|
      local_file  = "#{local_path}/#{rel_file_name}"
      remote_file = "#{remote_path}/#{rel_file_name}"
  
      if File.exists?(local_file)
        send_success = send_file.call(local_file, remote_file) 
        success      = false unless send_success
      end
    end
  else
    send_success = send_file.call(local_path, remote_path)
    success      = false unless send_success
  end
  success
end

#ssh_path(home_env_var = 'HOME', reset = false) ⇒ Object 



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# File 'lib/core/plugin/node.rb', line 169

def ssh_path(home_env_var = 'HOME', reset = false)
  home = home(home_env_var, reset)
  home ? File.join(home, '.ssh') : nil
end

#ssh_port ⇒ Object 



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# File 'lib/core/plugin/node.rb', line 153

def ssh_port
  myself[:ssh_port] = 22 if myself[:ssh_port].nil?
  myself[:ssh_port]
end

#ssh_port=(ssh_port) ⇒ Object 



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# File 'lib/core/plugin/node.rb', line 148

def ssh_port=ssh_port
  myself[:ssh_port] = ssh_port
  machine.init_ssh(ssh_port) if machine
end

#start(options = {}) ⇒ Object 



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# File 'lib/core/plugin/node.rb', line 855

def start(options = {})
  success = true
  
  if machine
    config = Config.ensure(options)
    
    if extension_check(:start, { :config => config })
      logger.info("Starting node: #{plugin_name}")
    
      yield(:config, config) if block_given?      
      success = machine.start(config.export)
      success = save(config) if success
      
      if success
        if bootstrap_script = myself[:bootstrap]
          result = command("HOSTNAME='#{hostname}' #{bootstrap_script}", { :as_admin => true }) do |op, data|
            yield("bootstrap_#{op}".to_sym, data) if block_given?
            data
          end
          success = false unless result.status == code.success && reload
        end
      end
      
      if success && block_given?
        process_success = yield(:process, config)
        success         = process_success if process_success == false        
      end
      
      if success
        extension(:start_success, { :config => config })
      end
    end
  else
    logger.warn("Node #{plugin_name} does not have an attached machine so cannot be started")
  end
  success
end

#state(reset = false) ⇒ Object 



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# File 'lib/core/plugin/node.rb', line 131

def state(reset = false)
  myself[:state] = machine.state if machine && ( reset || myself[:state].nil? )
  myself[:state]
end

#stop(options = {}) ⇒ Object 



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# File 'lib/core/plugin/node.rb', line 954

def stop(options = {})
  success = true
  
  if machine && machine.running?
    config = Config.ensure(options)
    
    if extension_check(:stop, { :config => config })
      logger.info("Stopping node: #{plugin_name}")
    
      yield(:config, config) if block_given?      
      success = machine.stop(config.export)
      
      myself.machine = nil
      
      override_settings = false
      override_settings = yield(:finalize, config) if success && block_given?
      
      if success && ! override_settings
        delete_setting(:id)
        delete_setting(:public_ip)
        delete_setting(:private_ip)
        delete_setting(:ssh_port)
        delete_setting(:build)
      
        myself[:state] = :stopped
      end
      success = save(config)
      
      if success && block_given?
        process_success = yield(:process, config)
        success         = process_success if process_success == false        
      end
      
      if success
        extension(:stop_success, { :config => config })
      end
    end
  else
    logger.warn("Node #{plugin_name} does not have an attached machine or is not running so cannot be stopped")
  end
  success
end

#terminal(options = {}) ⇒ Object 



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# File 'lib/core/plugin/node.rb', line 701

def terminal(options = {})
  myself.status = code.unknown_status
  
  if machine && machine.running?
    config = Config.ensure(options)
    
    if extension_check(:terminal, { :config => config })
      logger.info("Launching terminal for node: #{plugin_name}")
      
      if local? && local_machine
        active_machine = local_machine
        
        config[:info_prefix]  = "[#{hostname}] "
        config[:error_prefix] = "[#{hostname}] "
      else
        active_machine = machine
      end
      
      config[:private_keys] = private_key
      
      myself.status = active_machine.terminal(user, config.export)
      
      if status == code.success
        extension(:exec_success, { :config => config }) 
      end
    end
  else
    logger.warn("Node #{plugin_name} does not have an attached machine or is not running so cannot launch terminal")
  end
  status == code.success
end

#translate_reference(reference) ⇒ Object 



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# File 'lib/core/plugin/node.rb', line 1097

def translate_reference(reference)
  myself.class.translate_reference(reference)
end

#upload(local_path, remote_path, options = {}) ⇒ Object 



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# File 'lib/core/plugin/node.rb', line 499

def upload(local_path, remote_path, options = {})
  success = false
  
  if machine && machine.running?
    config      = Config.ensure(options)
    hook_config = Config.new({ :local_path => local_path, :remote_path => remote_path, :config => config })
    
    if extension_check(:upload, hook_config)
      logger.info("Uploading to #{plugin_name}")
    
      render("Starting upload of #{local_path} to #{remote_path}") 
      yield(:config, hook_config) if block_given?
      
      active_machine = local? ? local_machine : machine
      
      success = active_machine.upload(local_path, remote_path, config.export) do |name, sent, total|
        render("#{name}: Sent #{sent} of #{total}")
        yield(:progress, { :name => name, :sent => sent, :total => total })  
      end
      
      if success && block_given?
        render("Successfully finished upload of #{local_path} to #{remote_path}")
        process_success = yield(:process, hook_config)
        success         = process_success if process_success == false        
      end
      
      if success
        extension(:upload_success, hook_config)
      end
    end
  else
    logger.warn("Node #{plugin_name} does not have an attached machine or is not running so cannot upload")
  end
  success
end

#usable_image?(image) ⇒ Boolean 



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# File 'lib/core/plugin/node.rb', line 69

def usable_image?(image)
  true
end

#user ⇒ Object 



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# File 'lib/core/plugin/node.rb', line 142

def user
  myself[:user]
end

#user=(user) ⇒ Object 



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# File 'lib/core/plugin/node.rb', line 138

def user=user
  myself[:user] = user
end