Class: Broadside::EcsDeploy

Inherits:
Deploy
  • Object
show all
Defined in:
lib/broadside/ecs/ecs_deploy.rb

Constant Summary collapse

DEFAULT_CONTAINER_DEFINITION = 
{
  cpu: 1,
  essential: true,
  memory: 1024
}

Instance Attribute Summary

Attributes inherited from Deploy

#target

Instance Method Summary collapse

Methods inherited from Deploy

#initialize

Constructor Details

This class inherits a constructor from Broadside::Deploy

Instance Method Details

#bootstrap ⇒ Object 



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# File 'lib/broadside/ecs/ecs_deploy.rb', line 26

def bootstrap
  if EcsManager.get_latest_task_definition_arn(family)
    info "Task definition for #{family} already exists."
  else
    raise ConfigurationError, "No :task_definition_config for #{family}" unless @target.task_definition_config
    raise ConfigurationError, 'Bootstrapping a task_definition requires a :tag for the image' unless @tag
    info "Creating an initial task definition for '#{family}' from the config..."

    EcsManager.ecs.register_task_definition(
      @target.task_definition_config.merge(
        family: family,
        container_definitions: [DEFAULT_CONTAINER_DEFINITION.merge(configured_container_definition)]
      )
    )
  end

  run_commands(@target.bootstrap_commands, started_by: 'bootstrap')

  if EcsManager.service_exists?(cluster, family)
    info("Service for #{family} already exists.")
  else
    raise ConfigurationError, "No :service_config for #{family}" unless @target.service_config
    info "Service '#{family}' doesn't exist, creating..."
    EcsManager.create_service(cluster, family, @target.service_config)
  end
end

#full ⇒ Object 



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# File 'lib/broadside/ecs/ecs_deploy.rb', line 18

def full
  info "Running predeploy commands for #{family}..."
  run_commands(@target.predeploy_commands, started_by: 'predeploy')
  info 'Predeploy complete.'

  deploy
end

#rollback(options = {}) ⇒ Object 



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# File 'lib/broadside/ecs/ecs_deploy.rb', line 53

def rollback(options = {})
  count = options[:rollback] || 1
  info "Rolling back #{count} release(s) for #{family}..."
  EcsManager.check_service_and_task_definition_state!(@target)

  begin
    EcsManager.deregister_last_n_tasks_definitions(family, count)
    update_service(options)
  rescue StandardError
    error 'Rollback failed to complete!'
    raise
  end

  info 'Rollback complete.'
end

#run_commands(commands, options = {}) ⇒ Object 



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# File 'lib/broadside/ecs/ecs_deploy.rb', line 75

def run_commands(commands, options = {})
  return if commands.nil? || commands.empty?
  update_task_revision

  begin
    commands.each do |command|
      command_name = "'#{command.join(' ')}'"
      task_arn = EcsManager.run_task(cluster, family, command, options).tasks[0].task_arn
      info "Launched #{command_name} task #{task_arn}, waiting for completion..."

      EcsManager.ecs.wait_until(:tasks_stopped, cluster: cluster, tasks: [task_arn]) do |w|
        w.max_attempts = nil
        w.delay = Broadside.config.aws.ecs_poll_frequency
        w.before_attempt do |attempt|
          info "Attempt #{attempt}: waiting for #{command_name} to complete..."
        end
      end

      exit_status = EcsManager.get_task_exit_status(cluster, task_arn, family)
      raise EcsError, "#{command_name} failed to start:\n'#{exit_status[:reason]}'" if exit_status[:exit_code].nil?
      raise EcsError, "#{command_name} nonzero exit code: #{exit_status[:exit_code]}!" unless exit_status[:exit_code].zero?

      info "#{command_name} task container logs:\n#{get_container_logs(task_arn)}"
      info "#{command_name} task #{task_arn} complete"
    end
  ensure
    EcsManager.deregister_last_n_tasks_definitions(family, 1)
  end
end

#scale(options = {}) ⇒ Object 



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# File 'lib/broadside/ecs/ecs_deploy.rb', line 69

def scale(options = {})
  info "Rescaling #{family} with scale=#{options[:scale] || @target.scale}..."
  update_service(options)
  info 'Rescaling complete.'
end

#short ⇒ Object 



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# File 'lib/broadside/ecs/ecs_deploy.rb', line 14

def short
  deploy
end