class Fog::AWS::ELB::LoadBalancer

Public Class Methods

new(attributes={}) click to toggle source
Calls superclass method Fog::Model.new
# File lib/fog/aws/models/elb/load_balancer.rb, line 22
def initialize(attributes={})
  if attributes[:subnet_ids] ||= attributes['Subnets']
    attributes[:availability_zones] ||= attributes['AvailabilityZones']
  else
    attributes[:availability_zones] ||= attributes['AvailabilityZones']  || %w(us-east-1a us-east-1b us-east-1c us-east-1d)
  end
  unless attributes['ListenerDescriptions']
    new_listener = Fog::AWS::ELB::Listener.new
    attributes['ListenerDescriptions'] = [{
      'Listener' => new_listener.to_params,
      'PolicyNames' => new_listener.policy_names
    }]
  end
  super
end

Public Instance Methods

apply_security_groups(security_groups) click to toggle source
# File lib/fog/aws/models/elb/load_balancer.rb, line 76
def apply_security_groups(security_groups)
  requires :id
  data = service.apply_security_groups_to_load_balancer(security_groups, id).body['ApplySecurityGroupsToLoadBalancerResult']
  merge_attributes(data)
end
attach_subnets(subnet_ids) click to toggle source
# File lib/fog/aws/models/elb/load_balancer.rb, line 64
def attach_subnets(subnet_ids)
  requires :id
  data = service.attach_load_balancer_to_subnets(subnet_ids, id).body['AttachLoadBalancerToSubnetsResult']
  merge_attributes(data)
end
backend_server_descriptions() click to toggle source
# File lib/fog/aws/models/elb/load_balancer.rb, line 101
def backend_server_descriptions
  Fog::AWS::ELB::BackendServerDescriptions.new({
    :data => attributes['BackendServerDescriptions'],
    :service => service,
    :load_balancer => self
  })
end
configure_health_check(health_check) click to toggle source
# File lib/fog/aws/models/elb/load_balancer.rb, line 95
def configure_health_check(health_check)
  requires :id
  data = service.configure_health_check(id, health_check).body['ConfigureHealthCheckResult']['HealthCheck']
  merge_attributes(:health_check => data)
end
deregister_instances(instances) click to toggle source
# File lib/fog/aws/models/elb/load_balancer.rb, line 45
def deregister_instances(instances)
  requires :id
  data = service.deregister_instances_from_load_balancer(instances, id).body['DeregisterInstancesFromLoadBalancerResult']
  data['Instances'].map!{|h| h['InstanceId']}
  merge_attributes(data)
end
destroy() click to toggle source
# File lib/fog/aws/models/elb/load_balancer.rb, line 178
def destroy
  requires :id
  service.delete_load_balancer(id)
end
detach_subnets(subnet_ids) click to toggle source
# File lib/fog/aws/models/elb/load_balancer.rb, line 70
def detach_subnets(subnet_ids)
  requires :id
  data = service.detach_load_balancer_from_subnets(subnet_ids, id).body['DetachLoadBalancerFromSubnetsResult']
  merge_attributes(data)
end
disable_availability_zones(zones) click to toggle source
# File lib/fog/aws/models/elb/load_balancer.rb, line 58
def disable_availability_zones(zones)
  requires :id
  data = service.disable_availability_zones_for_load_balancer(zones, id).body['DisableAvailabilityZonesForLoadBalancerResult']
  merge_attributes(data)
end
enable_availability_zones(zones) click to toggle source
# File lib/fog/aws/models/elb/load_balancer.rb, line 52
def enable_availability_zones(zones)
  requires :id
  data = service.enable_availability_zones_for_load_balancer(zones, id).body['EnableAvailabilityZonesForLoadBalancerResult']
  merge_attributes(data)
end
instance_health() click to toggle source
# File lib/fog/aws/models/elb/load_balancer.rb, line 82
def instance_health
  requires :id
  @instance_health ||= service.describe_instance_health(id).body['DescribeInstanceHealthResult']['InstanceStates']
end
instances_in_service() click to toggle source
# File lib/fog/aws/models/elb/load_balancer.rb, line 87
def instances_in_service
  instance_health.select{|hash| hash['State'] == 'InService'}.map{|hash| hash['InstanceId']}
end
instances_out_of_service() click to toggle source
# File lib/fog/aws/models/elb/load_balancer.rb, line 91
def instances_out_of_service
  instance_health.select{|hash| hash['State'] == 'OutOfService'}.map{|hash| hash['InstanceId']}
end
listeners() click to toggle source
# File lib/fog/aws/models/elb/load_balancer.rb, line 109
def listeners
  Fog::AWS::ELB::Listeners.new({
    :data => attributes['ListenerDescriptions'],
    :service => service,
    :load_balancer => self
  })
end
policies() click to toggle source
# File lib/fog/aws/models/elb/load_balancer.rb, line 117
def policies
  Fog::AWS::ELB::Policies.new({
    :data => policy_descriptions,
    :service => service,
    :load_balancer => self
  })
end
policy_descriptions() click to toggle source
# File lib/fog/aws/models/elb/load_balancer.rb, line 125
def policy_descriptions
  requires :id
  @policy_descriptions ||= service.describe_load_balancer_policies(id).body["DescribeLoadBalancerPoliciesResult"]["PolicyDescriptions"]
end
ready?() click to toggle source
# File lib/fog/aws/models/elb/load_balancer.rb, line 147
def ready?
  # ELB requests are synchronous
  true
end
register_instances(instances) click to toggle source
# File lib/fog/aws/models/elb/load_balancer.rb, line 38
def register_instances(instances)
  requires :id
  data = service.register_instances_with_load_balancer(instances, id).body['RegisterInstancesWithLoadBalancerResult']
  data['Instances'].map!{|h| h['InstanceId']}
  merge_attributes(data)
end
reload() click to toggle source
Calls superclass method Fog::Model#reload
# File lib/fog/aws/models/elb/load_balancer.rb, line 171
def reload
  super
  @instance_health = nil
  @policy_descriptions = nil
  self
end
save() click to toggle source
# File lib/fog/aws/models/elb/load_balancer.rb, line 152
def save
  requires :id
  requires :listeners
  # with the VPC release, the ELB can have either availability zones or subnets
  # if both are specified, the availability zones have preference
  #requires :availability_zones
  if (availability_zones || subnet_ids)
    service.create_load_balancer(availability_zones, id, listeners.map{|l| l.to_params}) if availability_zones
    service.create_load_balancer(nil, id, listeners.map{|l| l.to_params}, {:subnet_ids => subnet_ids, :security_groups => security_groups, :scheme => scheme}) if subnet_ids && !availability_zones
  else
    throw Fog::Errors::Error.new("No availability zones or subnet ids specified")
  end

  # 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
set_listener_policy(port, policy_name) click to toggle source
# File lib/fog/aws/models/elb/load_balancer.rb, line 130
def set_listener_policy(port, policy_name)
  requires :id
  policy_name = [policy_name].flatten
  service.set_load_balancer_policies_of_listener(id, port, policy_name)
  reload
end
set_listener_ssl_certificate(port, ssl_certificate_id) click to toggle source
# File lib/fog/aws/models/elb/load_balancer.rb, line 137
def set_listener_ssl_certificate(port, ssl_certificate_id)
  requires :id
  service.set_load_balancer_listener_ssl_certificate(id, port, ssl_certificate_id)
  reload
end
unset_listener_policy(port) click to toggle source
# File lib/fog/aws/models/elb/load_balancer.rb, line 143
def unset_listener_policy(port)
  set_listener_policy(port, [])
end