Class: D13n::Service

Inherits:
Object
  • Object
show all
Includes:
Start
Defined in:
lib/d13n/service.rb,
lib/d13n/service/start.rb

Defined Under Namespace

Modules: Start Classes: ServiceError, ServiceStartError

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Start

#config_server_raise_on_failure?, #log_environment, #log_service_name, #log_startup, #log_version_and_pid, #query_server_for_configuration, #start_api_service, #start_metric_manager

Constructor Details

#initialize ⇒ Service

Returns a new instance of Service.



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# File 'lib/d13n/service.rb', line 31

def initialize()
  @started=false
  @service_prefix = D13n.service.app_class.name.underscore.upcase
end

Instance Attribute Details

#env ⇒ Object (readonly)

Returns the value of attribute env.



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# File 'lib/d13n/service.rb', line 30

def env
  @env
end

#service_conf ⇒ Object (readonly)

Returns the value of attribute service_conf.



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# File 'lib/d13n/service.rb', line 30

def service_conf
  @service_conf
end

#service_prefix ⇒ Object (readonly)

Returns the value of attribute service_prefix.



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# File 'lib/d13n/service.rb', line 30

def service_prefix
  @service_prefix
end

#started ⇒ Object (readonly)

Returns the value of attribute started.



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# File 'lib/d13n/service.rb', line 30

def started
  @started
end

Class Method Details

.app_class ⇒ Object 



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# File 'lib/d13n/service.rb', line 19

def app_class
  @app_kls ||= Object.const_get(name.split("::").first)
end

.inherited(descendant) ⇒ Object

Raises:



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# File 'lib/d13n/service.rb', line 23

def inherited(descendant)
  raise ServiceError, "You cannot have more than one D13n::Service" if D13n.service && descendant == D13n::Service
  descendant.app_class.extend Application::ClassMethods
  D13n.service = descendant
end

.instance ⇒ Object 



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# File 'lib/d13n/service.rb', line 10

def instance
  @instance ||= new
end

.run!(opts) ⇒ Object 



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# File 'lib/d13n/service.rb', line 14

def run!(opts)
  D13n.service.instance.init(opts)
  D13n.service.instance.start
end

Instance Method Details

#config_service(opts) ⇒ Object 



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# File 'lib/d13n/service.rb', line 68

def config_service(opts)
  config_file_path = D13n.config[:config_path]
  D13n.config.replace_or_add_config(D13n::Configuration::YamlSource.new(config_file_path, env))
end

#determine_env(opts = {}) ⇒ Object 



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# File 'lib/d13n/service.rb', line 64

def determine_env(opts={})
  @env = opts.fetch(:env, default_env).to_s
end

#determine_logger(opts) ⇒ Object 



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# File 'lib/d13n/service.rb', line 43

def determine_logger(opts)
  if D13n.logger.is_startup_logger?
    D13n.logger = D13n::Logger.new(root,opts.delete(:logger))
  end
end

#determine_service_conf(opts = {}) ⇒ Object 



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# File 'lib/d13n/service.rb', line 58

def determine_service_conf(opts={})
  @service_conf ||= {}
  @service_conf[:port] = opts.fetch(:port, 3000)
  @service_conf[:bind] = opts.fetch(:host, 'localhost')
end

#init(opts) ⇒ Object 



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# File 'lib/d13n/service.rb', line 36

def init(opts)
  determine_service_conf(opts)
  determine_env(opts)
  config_service(opts)
  determine_logger(opts)
end

#root ⇒ Object 



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# File 'lib/d13n/service.rb', line 77

def root
  @root = ENV['SERVICE_ROOT'] || '.'
end

#settings ⇒ Object 



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# File 'lib/d13n/service.rb', line 81

def settings
  D13n.config.to_collecter_hash
end

#start ⇒ Object 



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# File 'lib/d13n/service.rb', line 49

def start
  return if started?
  log_startup
  query_server_for_configuration
  start_metric_manager
  log_version_and_pid
  start_api_service
end

#started? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/d13n/service.rb', line 73

def started?
  @started
end