Class: Falcon::Services

Inherits:
Object
  • Object
show all
Defined in:
lib/falcon/services.rb

Overview

Represents one or more services associated with a host.

The services model allows falcon to manage one more more service associated with a given host. Some examples of services include:

The list of services is typically generated from the user supplied ‘falcon.rb` configuration file, which is loaded into an immutable Configuration instance, which is mapped into a list of services.

Instance Method Summary collapse

Constructor Details

#initialize(configuration) ⇒ Services

Initialize the services from the given configuration.



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# File 'lib/falcon/services.rb', line 39

def initialize(configuration)
  @named = {}
  
  configuration.each(:service) do |environment|
    service = Service::Generic.wrap(environment)
    
    add(service)
  end
end

Instance Method Details

#add(service) ⇒ Object

Add a named service.



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# File 'lib/falcon/services.rb', line 57

def add(service)
  @named[service.name] = service
end

#each(&block) ⇒ Object

Enumerate all named services.



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# File 'lib/falcon/services.rb', line 50

def each(&block)
  @named.each_value(&block)
end

#setup(container) ⇒ Object

Setup all named services into the given container.



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# File 'lib/falcon/services.rb', line 72

def setup(container)
  @named.each do |name, service|
    Async.logger.debug(self) {"Setup #{name} into #{container}..."}
    service.setup(container)
  end
  
  return container
end

#start ⇒ Object

Start all named services.



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# File 'lib/falcon/services.rb', line 62

def start
  @named.each do |name, service|
    Async.logger.debug(self) {"Starting #{name}..."}
    service.start
  end
end

#stop ⇒ Object

Stop all named services.



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# File 'lib/falcon/services.rb', line 82

def stop
  failed = false
  
  @named.each do |name, service|
    Async.logger.debug(self) {"Stopping #{name}..."}
    
    begin
      service.stop
    rescue
      failed = true
      Async.logger.error(self, $!)
    end
  end
  
  return failed
end