Class: Fog::AWS::ELB::LoadBalancer

Inherits:
Model
  • Object
show all
Defined in:
lib/fog/aws/models/elb/load_balancer.rb

Instance Attribute Summary

Attributes inherited from Model

#collection, #service

Instance Method Summary collapse

Methods inherited from Model

#inspect, #symbolize_keys, #to_json, #wait_for

Methods included from Fog::Attributes::ClassMethods

#_load, #aliases, #attribute, #attributes, #identity, #ignore_attributes, #ignored_attributes

Methods included from Core::DeprecatedConnectionAccessors

#connection, #connection=, #prepare_service_value

Methods included from Fog::Attributes::InstanceMethods

#_dump, #attributes, #dup, #identity, #identity=, #merge_attributes, #new_record?, #persisted?, #requires, #requires_one

Constructor Details

#initialize(attributes = {}) ⇒ LoadBalancer

Returns a new instance of LoadBalancer.



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# 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

Instance Method Details

#apply_security_groups(security_groups) ⇒ Object 



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# File 'lib/fog/aws/models/elb/load_balancer.rb', line 86

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) ⇒ Object 



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# File 'lib/fog/aws/models/elb/load_balancer.rb', line 74

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 ⇒ Object 



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# File 'lib/fog/aws/models/elb/load_balancer.rb', line 111

def backend_server_descriptions
  Fog::AWS::ELB::BackendServerDescriptions.new({
    :data => attributes['BackendServerDescriptions'],
    :service => service,
    :load_balancer => self
  })
end

#configure_health_check(health_check) ⇒ Object 



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# File 'lib/fog/aws/models/elb/load_balancer.rb', line 105

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

#cross_zone_load_balancing=(value) ⇒ Object 



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# File 'lib/fog/aws/models/elb/load_balancer.rb', line 43

def cross_zone_load_balancing= value
  requires :id
  service.modify_load_balancer_attributes(id, 'CrossZoneLoadBalancing' => {'Enabled' => value})
end

#cross_zone_load_balancing? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/fog/aws/models/elb/load_balancer.rb', line 38

def cross_zone_load_balancing?
  requires :id
  service.describe_load_balancer_attributes(id).body['DescribeLoadBalancerAttributesResult']['LoadBalancerAttributes']['CrossZoneLoadBalancing']['Enabled']
end

#deregister_instances(instances) ⇒ Object 



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# File 'lib/fog/aws/models/elb/load_balancer.rb', line 55

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 ⇒ Object 



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# File 'lib/fog/aws/models/elb/load_balancer.rb', line 188

def destroy
  requires :id
  service.delete_load_balancer(id)
end

#detach_subnets(subnet_ids) ⇒ Object 



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# File 'lib/fog/aws/models/elb/load_balancer.rb', line 80

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) ⇒ Object 



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# File 'lib/fog/aws/models/elb/load_balancer.rb', line 68

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) ⇒ Object 



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# File 'lib/fog/aws/models/elb/load_balancer.rb', line 62

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 ⇒ Object 



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# File 'lib/fog/aws/models/elb/load_balancer.rb', line 92

def instance_health
  requires :id
  @instance_health ||= service.describe_instance_health(id).body['DescribeInstanceHealthResult']['InstanceStates']
end

#instances_in_service ⇒ Object 



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# File 'lib/fog/aws/models/elb/load_balancer.rb', line 97

def instances_in_service
  instance_health.select{|hash| hash['State'] == 'InService'}.map{|hash| hash['InstanceId']}
end

#instances_out_of_service ⇒ Object 



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# File 'lib/fog/aws/models/elb/load_balancer.rb', line 101

def instances_out_of_service
  instance_health.select{|hash| hash['State'] == 'OutOfService'}.map{|hash| hash['InstanceId']}
end

#listeners ⇒ Object 



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# File 'lib/fog/aws/models/elb/load_balancer.rb', line 119

def listeners
  Fog::AWS::ELB::Listeners.new({
    :data => attributes['ListenerDescriptions'],
    :service => service,
    :load_balancer => self
  })
end

#policies ⇒ Object 



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# File 'lib/fog/aws/models/elb/load_balancer.rb', line 127

def policies
  Fog::AWS::ELB::Policies.new({
    :data => policy_descriptions,
    :service => service,
    :load_balancer => self
  })
end

#policy_descriptions ⇒ Object 



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# File 'lib/fog/aws/models/elb/load_balancer.rb', line 135

def policy_descriptions
  requires :id
  @policy_descriptions ||= service.describe_load_balancer_policies(id).body["DescribeLoadBalancerPoliciesResult"]["PolicyDescriptions"]
end

#ready? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/fog/aws/models/elb/load_balancer.rb', line 157

def ready?
  # ELB requests are synchronous
  true
end

#register_instances(instances) ⇒ Object 



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# File 'lib/fog/aws/models/elb/load_balancer.rb', line 48

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 ⇒ Object 



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# File 'lib/fog/aws/models/elb/load_balancer.rb', line 181

def reload
  super
  @instance_health = nil
  @policy_descriptions = nil
  self
end

#save ⇒ Object 



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# File 'lib/fog/aws/models/elb/load_balancer.rb', line 162

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) ⇒ Object 



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# File 'lib/fog/aws/models/elb/load_balancer.rb', line 140

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) ⇒ Object 



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# File 'lib/fog/aws/models/elb/load_balancer.rb', line 147

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) ⇒ Object 



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# File 'lib/fog/aws/models/elb/load_balancer.rb', line 153

def unset_listener_policy(port)
  set_listener_policy(port, [])
end