Class: Armada::Deploy::Parallel

Inherits:
Object
  • Object
show all
Defined in:
lib/armada/deploy/parallel.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(project, environment, options) ⇒ Parallel

Returns a new instance of Parallel.



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# File 'lib/armada/deploy/parallel.rb', line 6

def initialize(project, environment, options)
  @project     = project
  @environment = environment
  @options     = Armada::Configuration.load!(project, environment, options)
  @declared_hostname = @options[:hostname]
end

Instance Attribute Details

#environment ⇒ Object (readonly)

Returns the value of attribute environment.



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# File 'lib/armada/deploy/parallel.rb', line 5

def environment
  @environment
end

#options ⇒ Object (readonly)

Returns the value of attribute options.



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# File 'lib/armada/deploy/parallel.rb', line 5

def options
  @options
end

#project ⇒ Object (readonly)

Returns the value of attribute project.



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# File 'lib/armada/deploy/parallel.rb', line 5

def project
  @project
end

Instance Method Details

#run ⇒ Object 



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# File 'lib/armada/deploy/parallel.rb', line 13

def run
  Armada.ui.info "Deploying the following image [#{@options[:image]}:#{@options[:tag]}] in PARALLEL"

  begin
    @options[:hosts].each_in_parallel do |host|
      if host.is_a? String
        docker_host_connect_string = host
        health_check_host = host.split(':')[0]
      else
        docker_host_connect_string = host[:docker_host]
        health_check_host = host[:health_check_host]
      end

      docker_host = Armada::Host.create(docker_host_connect_string, @options)
      image = docker_host.get_image @options[:image], @options[:tag], @options
      image.pull

      if @declared_hostname
        local_options = @options
      else
        local_options = @options.merge({:hostname => health_check_host})
      end

      container = Armada::Container.new(image, docker_host, local_options)
      container.stop
      container.start

      if @options[:health_check] && @options[:health_check_port]
        ports = container.ports

        # if --net=host, then there will be no ports hash. The container has direct access to the host network
        if ports
          if ports.empty?
            raise "No ports exposed for this container. Please expose a port for the health check or use the --no-health-check option!"
          end

          begin
            health_check_port = ports["#{@options[:health_check_port]}/tcp"][0]["HostPort"]
          rescue Exception => e
            raise "Could not find the host port for [#{health_check_port}]. Make sure you put the container port as the :health_check_port."
          end
        else
          health_check_port = @options[:health_check_port]
        end


        health_check = Armada::Connection::HealthCheck.new(
          health_check_host,
          health_check_port,
          @options[:health_check_endpoint],
          @options[:health_check_delay],
          @options[:health_check_retries],
          @options[:ssh_gateway],
          @options[:ssh_gateway_user]
        )

        raise "Health check failed! - #{health_check_host}" unless health_check.run
      end
    end
  rescue Exception => e
    Armada.ui.error "#{e.message} \n\n #{e.backtrace.join("\n")}"
    exit(1)
  end
end