Method: Inf::AWS.launch_load_balancer

Defined in:
lib/aws.rb

.launch_load_balancer ⇒ Object 



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# File 'lib/aws.rb', line 46

def self.launch_load_balancer
  lb_name = "app-lb-#{app_name}"
  cert = ENV['CERT_ARN']

  listeners = [{
    instance_port: 5000,
    instance_protocol: 'HTTP',
    load_balancer_port: 80,
    protocol: 'HTTP'
  }]

  cert && listeners.push(
    instance_port: 5000,
    instance_protocol: 'HTTP',
    load_balancer_port: 443,
    protocol: 'HTTPS',
    ssl_certificate_id: cert
  )

  lb_dns = elb.create_load_balancer(
    load_balancer_name: lb_name,
    subnets: ENV['SUBNET_IDS'].split(','),
    security_groups: [ENV['ELB_SG']],
    scheme: 'internet-facing',
    listeners: listeners
  ).dns_name

  elb.configure_health_check(
    load_balancer_name: lb_name,
    health_check: {
      target: 'HTTP:5000/health_check',
      interval: 10, # seconds
      timeout: 5, # seconds to respond
      unhealthy_threshold: 2, # two consecutive failures
      healthy_threshold: 2
    }
  )

  put_state("apps/#{app_name}/lb-name", lb_name)
  put_state("apps/#{app_name}/lb-dns", lb_dns)

  puts 'Launched load balancer (or it was running)'.blue
end