Class: KumoDockerCloud::Stack

Inherits:
Object
  • Object
show all
Defined in:
lib/kumo_dockercloud/stack.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(app_name, env_name, options = {}) ⇒ Stack

Returns a new instance of Stack.



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# File 'lib/kumo_dockercloud/stack.rb', line 7

def initialize(app_name, env_name, options = {})
  @app_name = app_name
  @stack_name = "#{app_name}-#{env_name}"
  @options = options
end

Instance Attribute Details

#app_name ⇒ Object (readonly)

Returns the value of attribute app_name.



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# File 'lib/kumo_dockercloud/stack.rb', line 5

def app_name
  @app_name
end

#options ⇒ Object (readonly)

Returns the value of attribute options.



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# File 'lib/kumo_dockercloud/stack.rb', line 5

def options
  @options
end

#stack_name ⇒ Object (readonly)

Returns the value of attribute stack_name.



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# File 'lib/kumo_dockercloud/stack.rb', line 5

def stack_name
  @stack_name
end

Instance Method Details

#deploy(service_name, version, checker = ServiceChecker.new) ⇒ Object 



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# File 'lib/kumo_dockercloud/stack.rb', line 13

def deploy(service_name, version, checker = ServiceChecker.new)
  validate_params(service_name, 'Service name')
  validate_params(version, 'Version')

  service = Service.new(stack_name, service_name, docker_cloud_api)
  service.deploy(version)
  checker.verify(service)
end

#deploy_blue_green(service_names, version, checker = ServiceChecker.new) ⇒ Object 



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# File 'lib/kumo_dockercloud/stack.rb', line 26

def deploy_blue_green(service_names, version, checker = ServiceChecker.new)
  haproxy_service = HaproxyService.new(@stack_name, docker_cloud_api)

  services = service_names.map { |name| Service.new(stack_name, name, docker_cloud_api) }
  ordered_deployment(services).each do |service|
    begin
      ConsoleJockey.write_line("Attempting to put #{service.name} into maintenance mode in HAProxy")
      haproxy_service.disable_service(service) unless service.state == "Stopped"
      ConsoleJockey.write_line("Deploying version #{version} to #{service.name}")
      service.deploy(version)
      ConsoleJockey.write_line("Verifying that #{service.name} was successfully deployed")
      checker.verify(service)
      ConsoleJockey.write_line("Attempting to reenable #{service.name} in HAProxy")
      haproxy_service.enable_service(service)
    rescue HAProxyStateError => e
      raise ServiceDeployError.new("Unable to place service #{service.name} into maintainance mode on HAProxy with message: #{e.message}")
    rescue ServiceDeployError => e
      haproxy_service.disable_service(service)
      raise ServiceDeployError.new("Deployment or verification of service #{service.name} failed with message: #{e.message}")
    end
  end
end

#exists? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/kumo_dockercloud/stack.rb', line 22

def exists?
  !docker_cloud_stack.nil?
end

#services ⇒ Object 



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# File 'lib/kumo_dockercloud/stack.rb', line 49

def services
  services = docker_cloud_api.services_by_stack_name(stack_name)
  services.map { |service| Service.new(stack_name, service.name) }
end