Class: Proxy::Dynflow::Core

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

Class Attribute Summary collapse

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Core

Returns a new instance of Core.



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# File 'lib/smart_proxy_dynflow/core.rb', line 9

def initialize
  @world = create_world
  cert_file = Proxy::SETTINGS.foreman_ssl_cert || Proxy::SETTINGS.ssl_certificate
  if cert_file
    client_cert = File.read(cert_file)
    # we trust only requests using the same certificate as we are
    # (in other words the local proxy only)
    @accepted_cert_serial = OpenSSL::X509::Certificate.new(client_cert).serial
  end
end

Class Attribute Details

.instance ⇒ Object (readonly)

Returns the value of attribute instance.



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# File 'lib/smart_proxy_dynflow/core.rb', line 74

def instance
  @instance
end

Instance Attribute Details

#accepted_cert_serial ⇒ Object

Returns the value of attribute accepted_cert_serial.



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# File 'lib/smart_proxy_dynflow/core.rb', line 7

def accepted_cert_serial
  @accepted_cert_serial
end

#world ⇒ Object

Returns the value of attribute world.



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# File 'lib/smart_proxy_dynflow/core.rb', line 7

def world
  @world
end

Class Method Details

.after_initialize(&block) ⇒ Object 



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# File 'lib/smart_proxy_dynflow/core.rb', line 116

def after_initialize(&block)
  after_initialize_blocks << block
end

.ensure_initialized ⇒ Object 



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# File 'lib/smart_proxy_dynflow/core.rb', line 76

def ensure_initialized
  return @instance if @instance

  @instance = Core.new
  after_initialize_blocks.each { |block| block.call(@instance) }
  @instance
end

.register_silencer_matchers(matchers) ⇒ Object 



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# File 'lib/smart_proxy_dynflow/core.rb', line 88

def register_silencer_matchers(matchers)
  silencer_matchers.concat matchers
end

.silencer_matchers ⇒ Object 



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# File 'lib/smart_proxy_dynflow/core.rb', line 84

def silencer_matchers
  @matchers ||= [::Dynflow::DeadLetterSilencer::Matcher.new(Ticker)]
end

.web_console ⇒ Object 



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# File 'lib/smart_proxy_dynflow/core.rb', line 92

def web_console
  require 'dynflow/web'
  ::Dynflow::Web.setup do
    # we can't use the proxy's after_activation hook, as
    # it happens before the Daemon forks the process (including
    # closing opened file descriptors)
    # TODO: extend smart proxy to enable hooks that happen after
    # the forking
    helpers Helpers
    include ::Sinatra::Authorization::Helpers

    before do
      do_authorize_with_ssl_client if Settings.instance.console_auth
    end

    Core.ensure_initialized
    set :world, Core.world
  end
end

.world ⇒ Object 



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# File 'lib/smart_proxy_dynflow/core.rb', line 112

def world
  instance.world
end

Instance Method Details

#create_world(&block) ⇒ Object 



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# File 'lib/smart_proxy_dynflow/core.rb', line 20

def create_world(&block)
  config = default_world_config(&block)
  world = ::Dynflow::World.new(config)
  world.middleware.use ::Actions::Middleware::KeepCurrentRequestID
  world
end

#default_world_config ⇒ Object 



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# File 'lib/smart_proxy_dynflow/core.rb', line 48

def default_world_config
  ::Dynflow::Config.new.tap do |config|
    config.auto_rescue = true
    config.logger_adapter = logger_adapter
    config.persistence_adapter = persistence_adapter
    config.execution_plan_cleaner = execution_plan_cleaner
    # TODO: There has to be a better way
    matchers = config.silent_dead_letter_matchers.call.concat(self.class.silencer_matchers)
    config.silent_dead_letter_matchers = matchers
    yield config if block_given?
  end
end

#execution_plan_cleaner ⇒ Object 



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# File 'lib/smart_proxy_dynflow/core.rb', line 65

def execution_plan_cleaner
  proc do |world|
    age = Settings.instance.execution_plan_cleaner_age
    options = { :poll_interval => age, :max_age => age }
    ::Dynflow::Actors::ExecutionPlanCleaner.new(world, options)
  end
end

#logger_adapter ⇒ Object 



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# File 'lib/smart_proxy_dynflow/core.rb', line 61

def logger_adapter
  Log::ProxyAdapter.new(Proxy::LogBuffer::Decorator.instance, Log.instance.level)
end

#persistence_adapter ⇒ Object 



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# File 'lib/smart_proxy_dynflow/core.rb', line 44

def persistence_adapter
  ::Dynflow::PersistenceAdapters::Sequel.new persistence_conn_string
end

#persistence_conn_string ⇒ Object 



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# File 'lib/smart_proxy_dynflow/core.rb', line 27

def persistence_conn_string
  return ENV['DYNFLOW_DB_CONN_STRING'] if ENV.key? 'DYNFLOW_DB_CONN_STRING'

  db_conn_string = 'sqlite:/'

  db_file = Settings.instance.database
  if db_file.nil? || db_file.empty?
    Log.instance.info "Using in-memory database (default behaviour). Restart will drop all dynflow data. " \
                      "To change this behaviour configure setting 'database'."
  else
    FileUtils.mkdir_p(File.dirname(db_file))
    db_conn_string += "/#{db_file}"
  end

  db_conn_string
end