Fog::AWS::ELB::LoadBalancer

# File lib/fog/aws/models/elb/load_balancer.rb, line 16
def initialize(attributes={})
  attributes[:availability_zones] ||= attributes['AvailabilityZones'] || %(us-east-1a us-east-1b us-east-1c us-east-1d)
  unless attributes['ListenerDescriptions']
    new_listener = Fog::AWS::ELB::Listener.new
    attributes['ListenerDescriptions'] = [{
      'Listener' => new_listener.to_params,
      'PolicyNames' => new_listener.policy_names
    }]
  end
  attributes['Policies'] ||= {'AppCookieStickinessPolicies' => [], 'LBCookieStickinessPolicies' => []}
  super
end

# File lib/fog/aws/models/elb/load_balancer.rb, line 68
def configure_health_check(health_check)
  requires :id
  data = connection.configure_health_check(id, health_check).body['ConfigureHealthCheckResult']['HealthCheck']
  merge_attributes(:health_check => data)
end

# File lib/fog/aws/models/elb/load_balancer.rb, line 36
def deregister_instances(instances)
  requires :id
  data = connection.deregister_instances_from_load_balancer(instances, id).body['DeregisterInstancesFromLoadBalancerResult']
  data['Instances'].map!{|h| h['InstanceId']}
  merge_attributes(data)
end

# File lib/fog/aws/models/elb/load_balancer.rb, line 125
def destroy
  requires :id
  connection.delete_load_balancer(id)
end

# File lib/fog/aws/models/elb/load_balancer.rb, line 49
def disable_availability_zones(zones)
  requires :id
  data = connection.disable_availability_zones_for_load_balancer(zones, id).body['DisableAvailabilityZonesForLoadBalancerResult']
  merge_attributes(data)
end

# File lib/fog/aws/models/elb/load_balancer.rb, line 43
def enable_availability_zones(zones)
  requires :id
  data = connection.enable_availability_zones_for_load_balancer(zones, id).body['EnableAvailabilityZonesForLoadBalancerResult']
  merge_attributes(data)
end

# File lib/fog/aws/models/elb/load_balancer.rb, line 55
def instance_health
  requires :id
  @instance_health ||= connection.describe_instance_health(id).body['DescribeInstanceHealthResult']['InstanceStates']
end

# File lib/fog/aws/models/elb/load_balancer.rb, line 60
def instances_in_service
  instance_health.select{|hash| hash['State'] == 'InService'}.map{|hash| hash['InstanceId']}
end

# File lib/fog/aws/models/elb/load_balancer.rb, line 64
def instances_out_of_service
  instance_health.select{|hash| hash['State'] == 'OutOfService'}.map{|hash| hash['InstanceId']}
end

# File lib/fog/aws/models/elb/load_balancer.rb, line 74
def listeners
  Fog::AWS::ELB::Listeners.new({
    :data => attributes['ListenerDescriptions'],
    :connection => connection,
    :load_balancer => self
  })
end

# File lib/fog/aws/models/elb/load_balancer.rb, line 82
def policies
  Fog::AWS::ELB::Policies.new({
    :data => attributes['Policies'],
    :connection => connection,
    :load_balancer => self
  })
end

# File lib/fog/aws/models/elb/load_balancer.rb, line 101
def ready?
  # ELB requests are synchronous
  true
end

# File lib/fog/aws/models/elb/load_balancer.rb, line 29
def register_instances(instances)
  requires :id
  data = connection.register_instances_with_load_balancer(instances, id).body['RegisterInstancesWithLoadBalancerResult']
  data['Instances'].map!{|h| h['InstanceId']}
  merge_attributes(data)
end

# File lib/fog/aws/models/elb/load_balancer.rb, line 119
def reload
  super
  @instance_health = nil
  self
end

# File lib/fog/aws/models/elb/load_balancer.rb, line 106
def save
  requires :id
  requires :listeners
  requires :availability_zones

  connection.create_load_balancer(availability_zones, id, listeners.map{|l| l.to_params})

  # reload instead of merge attributes b/c some attrs (like HealthCheck)
  # may be set, but only the DNS name is returned in the create_load_balance
  # API call
  reload
end

# File lib/fog/aws/models/elb/load_balancer.rb, line 90
def set_listener_policy(port, policy_name)
  requires :id
  policy_name = [policy_name].flatten
  connection.set_load_balancer_policies_of_listener(id, port, policy_name)
  reload
end

# File lib/fog/aws/models/elb/load_balancer.rb, line 97
def unset_listener_policy(port)
  set_listener_policy(port, [])
end