Class: CirrASManagement::Manager

Inherits:
Object
  • Object
show all
Defined in:
lib/cirras-management/manager.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Manager

Returns a new instance of Manager.



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# File 'lib/cirras-management/manager.rb', line 36

def initialize

  @log = Logger.new(STDOUT)

  configure :production do
    @log = LogHelper.instance.log
  end

  @config           = ConfigHelper.new( :log => @log ).config
  @@config          = @config
  @@event_manager   = EventManager.new( :log => @log )

  @log.info "Setting up management environment for #{@config.appliance_name}"

  if @config.is_management_appliance?
    @log.info "Setting up node managers..."

    if @config.running_on_ec2
      @node_manager = AWSNodeManager.new( @config, :log => @log )
    else
      @node_manager = DefaultNodeManager.new( @config, :log => @log )
    end

    @@node_manager = @node_manager
  else
    create_client
  end

  # sinatra parameters
  enable  :raise_errors
  disable :logging
  disable :lock

  helpers do
    def prefix
      request.path_info.match( /^\/([\w\-]+)\// )[1]
    end

    def notify( event, *args )
      Manager.event_manager.notify( false, prefix, event, *args )
    end

    def notify_threaded( event, *args )
      Manager.event_manager.notify( true, prefix, event, *args )
    end
  end

  for api in APIS
    bind_handler( api )
  end

  bind_handler( APIS.first, "latest" )

  get '/' do
    apis = "latest\n"
    for api in APIS
      apis += api + "\n"
    end

    apis
  end

  get '/*' do
    status 404
    "Not found"
  end

  wait_for_web_server
end

Class Method Details

.config ⇒ Object 



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# File 'lib/cirras-management/manager.rb', line 145

def self.config
  @@config
end

.event_manager ⇒ Object 



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# File 'lib/cirras-management/manager.rb', line 165

def self.event_manager
  @@event_manager
end

.node_manager ⇒ Object 



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# File 'lib/cirras-management/manager.rb', line 149

def self.node_manager
  @@node_manager
end

Instance Method Details

#bind_handler(api_version, prefix = nil) ⇒ Object 



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# File 'lib/cirras-management/manager.rb', line 106

def bind_handler( api_version, prefix = nil )
  prefix = api_version if prefix.nil?

  @log.debug "Binding new request handler helper for API version '#{api_version}' and prefix '#{prefix}'..."

  Dir["lib/cirras-management/api/#{api_version}/handler/*/*"].each {|file| require file if File.exists?( file ) }

  to = HandlerTO.new( prefix, api_version, @config, @log )

  if @config.is_management_appliance?
    handler_helper = ManagementApplianceRequestHandlerHelper.new( to )
  else
    handler_helper = DefaultRequestHandlerHelper.new( to )
  end

  Manager.event_manager.register( api_version, prefix, handler_helper.handlers )
end

#create_client ⇒ Object

this is a client



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# File 'lib/cirras-management/manager.rb', line 138

def create_client
end

#discover_nodes ⇒ Object 



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# File 'lib/cirras-management/manager.rb', line 153

def discover_nodes
  t = Thread.new do
    while true do
      @log.debug "Begining node discovery..."
      @node_manager.register_nodes
      @node_manager.push_management_address
      @log.debug "Waiting #{@config.sleep} seconds before next node discovery..."
      sleep @config.sleep # check after 30 sec if there are changes in nodes (new added, removed, etc)
    end
  end
end

#nodes ⇒ Object 



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# File 'lib/cirras-management/manager.rb', line 141

def nodes
  @node_manager.nodes
end

#wait_for_web_server ⇒ Object 



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# File 'lib/cirras-management/manager.rb', line 124

def wait_for_web_server
  t = Thread.new do
    while true do
      @log.info "Waiting for web server..."
      break if IPHelper.new.is_port_open?( "localhost", @config.port )
      sleep 1
    end
    @log.info "Web server is running and ready for requests!"
    discover_nodes if @config.is_management_appliance?
  end
end