Class: Fog::AWS::ELB::Real

Inherits:
Object
  • Object
show all
Includes:
CredentialFetcher::ConnectionMethods
Defined in:
lib/fog/aws/elb.rb,
lib/fog/aws/requests/elb/add_tags.rb,
lib/fog/aws/requests/elb/remove_tags.rb,
lib/fog/aws/requests/elb/describe_tags.rb,
lib/fog/aws/requests/elb/create_load_balancer.rb,
lib/fog/aws/requests/elb/delete_load_balancer.rb,
lib/fog/aws/requests/elb/configure_health_check.rb,
lib/fog/aws/requests/elb/describe_load_balancers.rb,
lib/fog/aws/requests/elb/describe_instance_health.rb,
lib/fog/aws/requests/elb/create_load_balancer_policy.rb,
lib/fog/aws/requests/elb/delete_load_balancer_policy.rb,
lib/fog/aws/requests/elb/create_load_balancer_listeners.rb,
lib/fog/aws/requests/elb/delete_load_balancer_listeners.rb,
lib/fog/aws/requests/elb/attach_load_balancer_to_subnets.rb,
lib/fog/aws/requests/elb/describe_load_balancer_policies.rb,
lib/fog/aws/requests/elb/modify_load_balancer_attributes.rb,
lib/fog/aws/requests/elb/describe_load_balancer_attributes.rb,
lib/fog/aws/requests/elb/detach_load_balancer_from_subnets.rb,
lib/fog/aws/requests/elb/create_lb_cookie_stickiness_policy.rb,
lib/fog/aws/requests/elb/create_app_cookie_stickiness_policy.rb,
lib/fog/aws/requests/elb/describe_load_balancer_policy_types.rb,
lib/fog/aws/requests/elb/register_instances_with_load_balancer.rb,
lib/fog/aws/requests/elb/apply_security_groups_to_load_balancer.rb,
lib/fog/aws/requests/elb/set_load_balancer_policies_of_listener.rb,
lib/fog/aws/requests/elb/deregister_instances_from_load_balancer.rb,
lib/fog/aws/requests/elb/set_load_balancer_listener_ssl_certificate.rb,
lib/fog/aws/requests/elb/enable_availability_zones_for_load_balancer.rb,
lib/fog/aws/requests/elb/disable_availability_zones_for_load_balancer.rb,
lib/fog/aws/requests/elb/set_load_balancer_policies_for_backend_server.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from CredentialFetcher::ConnectionMethods

#refresh_credentials_if_expired

Constructor Details

#initialize(options = {}) ⇒ Real

Initialize connection to ELB

Notes

options parameter must include values for :aws_access_key_id and :aws_secret_access_key in order to create a connection

Examples

elb = ELB.new(
 :aws_access_key_id => your_aws_access_key_id,
 :aws_secret_access_key => your_aws_secret_access_key
)

Parameters

  • options<~Hash> - config arguments for connection. Defaults to {}.

    • region<~String> - optional region to use. For instance, ‘eu-west-1’, ‘us-east-1’, etc.

Returns

  • ELB object with connection to AWS.



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# File 'lib/fog/aws/elb.rb', line 130

def initialize(options={})

  @use_iam_profile = options[:use_iam_profile]
  @connection_options     = options[:connection_options] || {}
  @instrumentor           = options[:instrumentor]
  @instrumentor_name      = options[:instrumentor_name] || 'fog.aws.elb'

  options[:region] ||= 'us-east-1'
  @region = options[:region]
  @host = options[:host] || "elasticloadbalancing.#{@region}.amazonaws.com"
  @path       = options[:path]        || '/'
  @persistent = options[:persistent]  || false
  @port       = options[:port]        || 443
  @scheme     = options[:scheme]      || 'https'
  @connection = Fog::XML::Connection.new("#{@scheme}://#{@host}:#{@port}#{@path}", @persistent, @connection_options)

  setup_credentials(options)
end

Instance Attribute Details

#region ⇒ Object (readonly)

Returns the value of attribute region.



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# File 'lib/fog/aws/elb.rb', line 149

def region
  @region
end

Instance Method Details

#add_tags(elb_id, tags) ⇒ Object

adds tags to a load balancer instance docs.aws.amazon.com/ElasticLoadBalancing/latest/APIReference/API_AddTags.html

Parameters

  • elb_id <~String> - name of the ELB instance to be tagged

  • tags <~Hash> A Hash of (String) key-value pairs

Returns

  • response<~Excon::Response>:

    • body<~Hash>:



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# File 'lib/fog/aws/requests/elb/add_tags.rb', line 14

def add_tags(elb_id, tags)
  keys    = tags.keys.sort
  values  = keys.map {|key| tags[key]}
  request({
      'Action'                     => 'AddTags',
      'LoadBalancerNames.member.1' => elb_id,
      :parser                      => Fog::Parsers::AWS::ELB::Empty.new,
    }.merge(Fog::AWS.indexed_param('Tags.member.%d.Key', keys)).
      merge(Fog::AWS.indexed_param('Tags.member.%d.Value', values)))
end

#apply_security_groups_to_load_balancer(security_group_ids, lb_name) ⇒ Object Also known as: apply_security_groups

Sets the security groups for an ELB in VPC

Parameters

  • security_group_ids<~Array> - List of security group ids to enable on ELB

  • lb_name<~String> - Load balancer to disable availability zones on

Returns

  • response<~Excon::Response>:

    • body<~Hash>:

      • ‘ResponseMetadata’<~Hash>:

        • ‘RequestId’<~String> - Id of request

      • ‘ApplySecurityGroupsToLoadBalancer’<~Hash>:

        • ‘SecurityGroups’<~Array> - array of strings describing the security group ids currently enabled



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# File 'lib/fog/aws/requests/elb/apply_security_groups_to_load_balancer.rb', line 20

def apply_security_groups_to_load_balancer(security_group_ids, lb_name)
  params = Fog::AWS.indexed_param('SecurityGroups.member', [*security_group_ids])
  request({
    'Action'           => 'ApplySecurityGroupsToLoadBalancer',
    'LoadBalancerName' => lb_name,
    :parser            => Fog::Parsers::AWS::ELB::ApplySecurityGroupsToLoadBalancer.new
  }.merge!(params))
end

#attach_load_balancer_to_subnets(subnet_ids, lb_name) ⇒ Object Also known as: enable_subnets

Enable a subnet for an existing ELB

Parameters

  • subnet_ids<~Array> - List of subnet ids to enable on ELB

  • lb_name<~String> - Load balancer to enable availability zones on

Returns

  • response<~Excon::Response>:

    • body<~Hash>:

      • ‘ResponseMetadata’<~Hash>:

        • ‘RequestId’<~String> - Id of request

      • ‘AttachLoadBalancerToSubnetsResult’<~Hash>:

        • ‘Subnets’<~Array> - array of strings describing the subnet ids currently enabled



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# File 'lib/fog/aws/requests/elb/attach_load_balancer_to_subnets.rb', line 20

def attach_load_balancer_to_subnets(subnet_ids, lb_name)
  params = Fog::AWS.indexed_param('Subnets.member', [*subnet_ids])
  request({
    'Action'           => 'AttachLoadBalancerToSubnets',
    'LoadBalancerName' => lb_name,
    :parser            => Fog::Parsers::AWS::ELB::AttachLoadBalancerToSubnets.new
  }.merge!(params))
end

#configure_health_check(lb_name, health_check) ⇒ Object

Enables the client to define an application healthcheck for the instances. See docs.amazonwebservices.com/ElasticLoadBalancing/latest/APIReference/index.html?API_ConfigureHealthCheck.html

Parameters

  • lb_name<~String> - Name of the ELB

  • health_check<~Hash> - A hash of parameters describing the health check

    • ‘HealthyThreshold’<~Integer> - Specifies the number of consecutive health probe successes required before moving the instance to the Healthy state.

    • ‘Interval’<~Integer> - Specifies the approximate interval, in seconds, between health checks of an individual instance.

    • ‘Target’<~String> - Specifies the instance being checked. The protocol is either TCP or HTTP. The range of valid ports is one (1) through 65535.

    • ‘Timeout’<~Integer> - Specifies the amount of time, in seconds,

    during which no response means a failed health probe.

    • ‘UnhealthyThreshold’<~Integer> - Specifies the number of consecutive health probe failures required before moving the instance to the Unhealthy state.

Returns

  • response<~Excon::Response>:

    • body<~Hash>:



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# File 'lib/fog/aws/requests/elb/configure_health_check.rb', line 27

def configure_health_check(lb_name, health_check)
  params = {'LoadBalancerName' => lb_name}
  health_check.each {|key, value| params["HealthCheck.#{key}"] = value }

  request({
    'Action'           => 'ConfigureHealthCheck',
    :parser            => Fog::Parsers::AWS::ELB::ConfigureHealthCheck.new
  }.merge!(params))
end

#create_app_cookie_stickiness_policy(lb_name, policy_name, cookie_name) ⇒ Object

Create an app cookie stickiness policy

Parameters

  • lb_name<~String> - Name of the ELB

  • policy_name<~String> - The name of the policy being created. The name must be unique within the set of policies for this Load Balancer.

  • cookie_name<~String> - Name of the application cookie used for stickiness.

Returns

  • response<~Excon::Response>:

    • body<~Hash>:

      • ‘ResponseMetadata’<~Hash>:

        • ‘RequestId’<~String> - Id of request



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# File 'lib/fog/aws/requests/elb/create_app_cookie_stickiness_policy.rb', line 19

def create_app_cookie_stickiness_policy(lb_name, policy_name, cookie_name)
  params = {'CookieName' => cookie_name, 'PolicyName' => policy_name}

  request({
    'Action'           => 'CreateAppCookieStickinessPolicy',
    'LoadBalancerName' => lb_name,
    :parser            => Fog::Parsers::AWS::ELB::Empty.new
  }.merge!(params))
end

#create_lb_cookie_stickiness_policy(lb_name, policy_name, cookie_expiration_period = nil) ⇒ Object

Create a Load Balancer Cookie Stickiness Policy

Parameters

  • lb_name<~String> - Name of the ELB

  • policy_name<~String> - The name of the policy being created. The name must be unique within the set of policies for this Load Balancer.

  • cookie_expiration_period<~Integer> - The time period in seconds after which the cookie should be considered stale. Not specifying this parameter indicates that the sticky session will last for the duration of the browser session.

Returns

  • response<~Excon::Response>:

    • body<~Hash>:

      • ‘ResponseMetadata’<~Hash>:

        • ‘RequestId’<~String> - Id of request



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# File 'lib/fog/aws/requests/elb/create_lb_cookie_stickiness_policy.rb', line 21

def create_lb_cookie_stickiness_policy(lb_name, policy_name, cookie_expiration_period=nil)
  params = {'PolicyName' => policy_name, 'CookieExpirationPeriod' => cookie_expiration_period}

  request({
    'Action'           => 'CreateLBCookieStickinessPolicy',
    'LoadBalancerName' => lb_name,
    :parser            => Fog::Parsers::AWS::ELB::Empty.new
  }.merge!(params))
end

#create_load_balancer(availability_zones, lb_name, listeners, options = {}) ⇒ Object

Create a new Elastic Load Balancer

Parameters

  • availability_zones<~Array> - List of availability zones for the ELB

  • lb_name<~String> - Name for the new ELB – must be unique

  • listeners<~Array> - Array of Hashes describing ELB listeners to assign to the ELB

    • ‘Protocol’<~String> - Protocol to use. Either HTTP, HTTPS, TCP or SSL.

    • ‘LoadBalancerPort’<~Integer> - The port that the ELB will listen to for outside traffic

    • ‘InstancePort’<~Integer> - The port on the instance that the ELB will forward traffic to

    • ‘InstanceProtocol’<~String> - Protocol for sending traffic to an instance. Either HTTP, HTTPS, TCP or SSL.

    • ‘SSLCertificateId’<~String> - ARN of the server certificate

Returns

  • response<~Excon::Response>:

    • body<~Hash>:

      • ‘ResponseMetadata’<~Hash>:

        • ‘RequestId’<~String> - Id of request

      • ‘CreateLoadBalancerResult’<~Hash>:

        • ‘DNSName’<~String> - DNS name for the newly created ELB



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# File 'lib/fog/aws/requests/elb/create_load_balancer.rb', line 25

def create_load_balancer(availability_zones, lb_name, listeners, options = {})
  params = Fog::AWS.indexed_param('AvailabilityZones.member', [*availability_zones])
  params.merge!(Fog::AWS.indexed_param('Subnets.member.%d', options[:subnet_ids]))
  params.merge!(Fog::AWS.serialize_keys('Scheme', options[:scheme]))
  params.merge!(Fog::AWS.indexed_param('SecurityGroups.member.%d', options[:security_groups]))

  listener_protocol = []
  listener_lb_port = []
  listener_instance_port = []
  listener_instance_protocol = []
  listener_ssl_certificate_id = []
  listeners.each do |listener|
    listener_protocol.push(listener['Protocol'])
    listener_lb_port.push(listener['LoadBalancerPort'])
    listener_instance_port.push(listener['InstancePort'])
    listener_instance_protocol.push(listener['InstanceProtocol'])
    listener_ssl_certificate_id.push(listener['SSLCertificateId'])
  end

  params.merge!(Fog::AWS.indexed_param('Listeners.member.%d.Protocol', listener_protocol))
  params.merge!(Fog::AWS.indexed_param('Listeners.member.%d.LoadBalancerPort', listener_lb_port))
  params.merge!(Fog::AWS.indexed_param('Listeners.member.%d.InstancePort', listener_instance_port))
  params.merge!(Fog::AWS.indexed_param('Listeners.member.%d.InstanceProtocol', listener_instance_protocol))
  params.merge!(Fog::AWS.indexed_param('Listeners.member.%d.SSLCertificateId', listener_ssl_certificate_id))

  request({
    'Action'           => 'CreateLoadBalancer',
    'LoadBalancerName' => lb_name,
    :parser            => Fog::Parsers::AWS::ELB::CreateLoadBalancer.new
  }.merge!(params))
end

#create_load_balancer_listeners(lb_name, listeners) ⇒ Object

Create Elastic Load Balancer Listeners

Parameters

  • lb_name<~String> - Name for the new ELB – must be unique

  • listeners<~Array> - Array of Hashes describing ELB listeners to add to the ELB

    • ‘Protocol’<~String> - Protocol to use. Either HTTP, HTTPS, TCP or SSL.

    • ‘LoadBalancerPort’<~Integer> - The port that the ELB will listen to for outside traffic

    • ‘InstancePort’<~Integer> - The port on the instance that the ELB will forward traffic to

    • ‘InstanceProtocol’<~String> - Protocol for sending traffic to an instance. Either HTTP, HTTPS, TCP or SSL.

    • ‘SSLCertificateId’<~String> - ARN of the server certificate

Returns

  • response<~Excon::Response>:

    • body<~Hash>:

      • ‘ResponseMetadata’<~Hash>:

        • ‘RequestId’<~String> - Id of request



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# File 'lib/fog/aws/requests/elb/create_load_balancer_listeners.rb', line 22

def create_load_balancer_listeners(lb_name, listeners)
  params = {}

  listener_protocol = []
  listener_lb_port = []
  listener_instance_port = []
  listener_instance_protocol = []
  listener_ssl_certificate_id = []
  listeners.each do |listener|
    listener_protocol.push(listener['Protocol'])
    listener_lb_port.push(listener['LoadBalancerPort'])
    listener_instance_port.push(listener['InstancePort'])
    listener_instance_protocol.push(listener['InstanceProtocol'])
    listener_ssl_certificate_id.push(listener['SSLCertificateId'])
  end

  params.merge!(Fog::AWS.indexed_param('Listeners.member.%d.Protocol', listener_protocol))
  params.merge!(Fog::AWS.indexed_param('Listeners.member.%d.LoadBalancerPort', listener_lb_port))
  params.merge!(Fog::AWS.indexed_param('Listeners.member.%d.InstancePort', listener_instance_port))
  params.merge!(Fog::AWS.indexed_param('Listeners.member.%d.InstanceProtocol', listener_instance_protocol))
  params.merge!(Fog::AWS.indexed_param('Listeners.member.%d.SSLCertificateId', listener_ssl_certificate_id))

  request({
    'Action'           => 'CreateLoadBalancerListeners',
    'LoadBalancerName' => lb_name,
    :parser            => Fog::Parsers::AWS::ELB::Empty.new
  }.merge!(params))
end

#create_load_balancer_policy(lb_name, name, type_name, attributes = {}) ⇒ Object

Create Elastic Load Balancer Policy

Parameters

  • lb_name<~String> - The name associated with the LoadBalancer for which the policy is being created. This name must be unique within the client AWS account.

  • attributes<~Hash> - A list of attributes associated with the policy being created.

    • ‘AttributeName’<~String> - The name of the attribute associated with the policy.

    • ‘AttributeValue’<~String> - The value of the attribute associated with the policy.

  • name<~String> - The name of the LoadBalancer policy being created. The name must be unique within the set of policies for this LoadBalancer.

  • type_name<~String> - The name of the base policy type being used to create this policy. To get the list of policy types, use the DescribeLoadBalancerPolicyTypes action.

Returns

  • response<~Excon::Response>:

    • body<~Hash>:

      • ‘ResponseMetadata’<~Hash>:

        • ‘RequestId’<~String> - Id of request



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# File 'lib/fog/aws/requests/elb/create_load_balancer_policy.rb', line 21

def create_load_balancer_policy(lb_name, name, type_name, attributes = {})
  params = {}

  attribute_name = []
  attribute_value = []
  attributes.each do |name, value|
    attribute_name.push(name)
    attribute_value.push(value)
  end

  params.merge!(Fog::AWS.indexed_param('PolicyAttributes.member.%d.AttributeName', attribute_name))
  params.merge!(Fog::AWS.indexed_param('PolicyAttributes.member.%d.AttributeValue', attribute_value))

  request({
            'Action'           => 'CreateLoadBalancerPolicy',
            'LoadBalancerName' => lb_name,
            'PolicyName'       => name,
            'PolicyTypeName'   => type_name,
            :parser            => Fog::Parsers::AWS::ELB::Empty.new
          }.merge!(params))
end

#delete_load_balancer(lb_name) ⇒ Object

Delete an existing Elastic Load Balancer

Note that this API call, as defined by Amazon, is idempotent. That is, it will not return an error if you try to delete an ELB that does not exist.

Parameters

  • lb_name<~String> - Name of the ELB to be deleted

Returns

  • response<~Excon::Response>:

    • body<~Hash>:

      • ‘DeleteLoadBalancerResponse’<~nil>

      • ‘ResponseMetadata’<~Hash>:

        • ‘RequestId’<~String> - Id of request



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# File 'lib/fog/aws/requests/elb/delete_load_balancer.rb', line 21

def delete_load_balancer(lb_name)
  request({
    'Action'           => 'DeleteLoadBalancer',
    'LoadBalancerName' => lb_name,
    :parser            => Fog::Parsers::AWS::ELB::DeleteLoadBalancer.new
  })
end

#delete_load_balancer_listeners(lb_name, load_balancer_ports) ⇒ Object

Delet Elastic Load Balancer Listeners

Parameters

  • lb_name<~String> - Name for the new ELB – must be unique

  • load_balancer_ports<~Array> - Array of client port numbers of the LoadBalancerListeners to remove

Returns

  • response<~Excon::Response>:

    • body<~Hash>:

      • ‘ResponseMetadata’<~Hash>:

        • ‘RequestId’<~String> - Id of request



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# File 'lib/fog/aws/requests/elb/delete_load_balancer_listeners.rb', line 17

def delete_load_balancer_listeners(lb_name, load_balancer_ports)
  params = Fog::AWS.indexed_param('LoadBalancerPorts.member.%d', load_balancer_ports)

  request({
    'Action'           => 'DeleteLoadBalancerListeners',
    'LoadBalancerName' => lb_name,
    :parser            => Fog::Parsers::AWS::ELB::Empty.new
  }.merge!(params))
end

#delete_load_balancer_policy(lb_name, policy_name) ⇒ Object

Delete a Load Balancer Stickiness Policy

Parameters

  • lb_name<~String> - Name of the ELB

  • policy_name<~String> - The name of the policy to delete

Returns

  • response<~Excon::Response>:

    • body<~Hash>:

      • ‘ResponseMetadata’<~Hash>:

        • ‘RequestId’<~String> - Id of request



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# File 'lib/fog/aws/requests/elb/delete_load_balancer_policy.rb', line 17

def delete_load_balancer_policy(lb_name, policy_name)
  params = {'PolicyName' => policy_name}

  request({
    'Action'           => 'DeleteLoadBalancerPolicy',
    'LoadBalancerName' => lb_name,
    :parser            => Fog::Parsers::AWS::ELB::Empty.new
  }.merge!(params))
end

#deregister_instances_from_load_balancer(instance_ids, lb_name) ⇒ Object Also known as: deregister_instances

Deregister an instance from an existing ELB

Parameters

  • instance_ids<~Array> - List of instance IDs to remove from ELB

  • lb_name<~String> - Load balancer to remove instances from

Returns

  • response<~Excon::Response>:

    • body<~Hash>:

      • ‘ResponseMetadata’<~Hash>:

        • ‘RequestId’<~String> - Id of request

      • ‘DeregisterInstancesFromLoadBalancerResult’<~Hash>:

        • ‘Instances’<~Array> - array of hashes describing instances currently enabled

          • ‘InstanceId’<~String>



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# File 'lib/fog/aws/requests/elb/deregister_instances_from_load_balancer.rb', line 21

def deregister_instances_from_load_balancer(instance_ids, lb_name)
  params = Fog::AWS.indexed_param('Instances.member.%d.InstanceId', [*instance_ids])
  request({
    'Action'           => 'DeregisterInstancesFromLoadBalancer',
    'LoadBalancerName' => lb_name,
    :parser            => Fog::Parsers::AWS::ELB::DeregisterInstancesFromLoadBalancer.new
  }.merge!(params))
end

#describe_instance_health(lb_name, instance_ids = []) ⇒ Object

Get health status for one or more instances on an existing ELB

Parameters

  • lb_name<~String> - Load balancer to check instances health on

  • instance_ids<~Array> - Optional list of instance IDs to check

Returns

  • response<~Excon::Response>:

    • body<~Hash>:

      • ‘ResponseMetadata’<~Hash>:

        • ‘RequestId’<~String> - Id of request

      • ‘DescribeInstanceHealthResult’<~Hash>:

        • ‘InstanceStates’<~Array> - array of hashes describing instance health

          • ‘Description’<~String>

          • ‘State’<~String>

          • ‘InstanceId’<~String>

          • ‘ReasonCode’<~String>



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# File 'lib/fog/aws/requests/elb/describe_instance_health.rb', line 24

def describe_instance_health(lb_name, instance_ids = [])
  params = Fog::AWS.indexed_param('Instances.member.%d.InstanceId', [*instance_ids])
  request({
    'Action'           => 'DescribeInstanceHealth',
    'LoadBalancerName' => lb_name,
    :parser            => Fog::Parsers::AWS::ELB::DescribeInstanceHealth.new
  }.merge!(params))
end

#describe_load_balancer_attributes(lb_name) ⇒ Object

Describe the load balancer attributes docs.aws.amazon.com/ElasticLoadBalancing/latest/APIReference/API_DescribeLoadBalancerAttributes.html

Parameters

  • lb_name<~String> - The mnemonic name associated with the LoadBalancer.

Returns

  • response<~Excon::Response>:

    • body<~Hash>:

      • ‘ResponseMetadata’<~Hash>:

        • ‘RequestId’<~String> - Id of request

      • ‘DescribeLoadBalancerAttributesResult’<~Hash>:

        • ‘LoadBalancerAttributes’<~Hash>

          • ‘ConnectionDraining’<~Hash>

            • ‘Enabled’<~Boolean> - whether connection draining is enabled

            • ‘Timeout’<~Integer> - max time (in seconds) to keep existing conns open before deregistering instances.

          • ‘CrossZoneLoadBalancing’<~Hash>

            • ‘Enabled’<~Boolean> - whether crosszone load balancing is enabled

          • ‘ConnectionSettings’<~Hash>

            • ‘IdleTimeout’<~Integer> - time (in seconds) the connection is allowed to be idle (no data has been sent over the connection) before it is closed by the load balancer.



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# File 'lib/fog/aws/requests/elb/describe_load_balancer_attributes.rb', line 27

def describe_load_balancer_attributes(lb_name)
  request({
    'Action'  => 'DescribeLoadBalancerAttributes',
    'LoadBalancerName' => lb_name,
    :parser   => Fog::Parsers::AWS::ELB::DescribeLoadBalancerAttributes.new
  })
end

#describe_load_balancer_policies(lb_name = nil, names = []) ⇒ Object

Describe all or specified load balancer policies

Parameters

  • lb_name<~String> - The mnemonic name associated with the LoadBalancer. If no name is specified, the operation returns the attributes of either all the sample policies pre-defined by Elastic Load Balancing or the specified sample polices.

  • names<~Array> - The names of LoadBalancer policies you’ve created or Elastic Load Balancing sample policy names.

Returns

  • response<~Excon::Response>:

    • body<~Hash>:

      • ‘ResponseMetadata’<~Hash>:

        • ‘RequestId’<~String> - Id of request

      • ‘DescribeLoadBalancerPoliciesResult’<~Hash>:

        • ‘PolicyDescriptions’<~Array>

          • ‘PolicyAttributeDescriptions’<~Array>

            • ‘AttributeName’<~String> - The name of the attribute associated with the policy.

            • ‘AttributeValue’<~String> - The value of the attribute associated with the policy.

          • ‘PolicyName’<~String> - The name mof the policy associated with the LoadBalancer.

          • ‘PolicyTypeName’<~String> - The name of the policy type.



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# File 'lib/fog/aws/requests/elb/describe_load_balancer_policies.rb', line 25

def describe_load_balancer_policies(lb_name = nil, names = [])
  params = Fog::AWS.indexed_param('PolicyNames.member', [*names])
  request({
    'Action'  => 'DescribeLoadBalancerPolicies',
    'LoadBalancerName' => lb_name,
    :parser   => Fog::Parsers::AWS::ELB::DescribeLoadBalancerPolicies.new
  }.merge!(params))
end

#describe_load_balancer_policy_types(type_names = []) ⇒ Object

Describe all or specified load balancer policy types

Parameters

  • type_name<~Array> - Specifies the name of the policy types. If no names are specified, returns the description of all the policy types defined by Elastic Load Balancing service.

Returns

  • response<~Excon::Response>:

    • body<~Hash>:

      • ‘ResponseMetadata’<~Hash>:

        • ‘RequestId’<~String> - Id of request

      • ‘DescribeLoadBalancerPolicyTypesResult’<~Hash>:

        • ‘PolicyTypeDescriptions’<~Array>

          • ‘Description’<~String> - A human-readable description of the policy type.

          • ‘PolicyAttributeTypeDescriptions’<~Array>

            • ‘AttributeName’<~String> - The name of the attribute associated with the policy type.

            • ‘AttributeValue’<~String> - The type of attribute. For example, Boolean, Integer, etc.

            • ‘Cardinality’<~String> - The cardinality of the attribute.

            • ‘DefaultValue’<~String> - The default value of the attribute, if applicable.

            • ‘Description’<~String> - A human-readable description of the attribute.

          • ‘PolicyTypeName’<~String> - The name of the policy type.



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# File 'lib/fog/aws/requests/elb/describe_load_balancer_policy_types.rb', line 27

def describe_load_balancer_policy_types(type_names = [])
  params = Fog::AWS.indexed_param('PolicyTypeNames.member', [*type_names])
  request({
    'Action'  => 'DescribeLoadBalancerPolicyTypes',
    :parser   => Fog::Parsers::AWS::ELB::DescribeLoadBalancerPolicyTypes.new
  }.merge!(params))
end

#describe_load_balancers(options = {}) ⇒ Object

Describe all or specified load balancers

Parameters

  • options<~Hash>

    • ‘LoadBalancerNames’<~Array> - List of load balancer names to describe, defaults to all

    • ‘Marker’<String> - Indicates where to begin in your list of load balancers

Returns

  • response<~Excon::Response>:

    • body<~Hash>:

      • ‘ResponseMetadata’<~Hash>:

        • ‘RequestId’<~String> - Id of request

      • ‘DescribeLoadBalancersResult’<~Hash>:

        • ‘LoadBalancerDescriptions’<~Array>

          • ‘AvailabilityZones’<~Array> - list of availability zones covered by this load balancer

          • ‘BackendServerDescriptions’<~Array>:

            • ‘InstancePort’<~Integer> - the port on which the back-end server is listening

            • ‘PolicyNames’<~Array> - list of policy names enabled for the back-end server

          • ‘CanonicalHostedZoneName’<~String> - name of the Route 53 hosted zone associated with the load balancer

          • ‘CanonicalHostedZoneNameID’<~String> - ID of the Route 53 hosted zone associated with the load balancer

          • ‘CreatedTime’<~Time> - time load balancer was created

          • ‘DNSName’<~String> - external DNS name of load balancer

          • ‘HealthCheck’<~Hash>:

            • ‘HealthyThreshold’<~Integer> - number of consecutive health probe successes required before moving the instance to the Healthy state

            • ‘Timeout’<~Integer> - number of seconds after which no response means a failed health probe

            • ‘Interval’<~Integer> - interval (in seconds) between health checks of an individual instance

            • ‘UnhealthyThreshold’<~Integer> - number of consecutive health probe failures that move the instance to the unhealthy state

            • ‘Target’<~String> - string describing protocol type, port and URL to check

          • ‘Instances’<~Array> - list of instances that the load balancer balances between

          • ‘ListenerDescriptions’<~Array>

            • ‘PolicyNames’<~Array> - list of policies enabled

            • ‘Listener’<~Hash>:

              • ‘InstancePort’<~Integer> - port on instance that requests are sent to

              • ‘Protocol’<~String> - transport protocol used for routing in [TCP, HTTP]

              • ‘LoadBalancerPort’<~Integer> - port that load balancer listens on for requests

          • ‘LoadBalancerName’<~String> - name of load balancer

          • ‘Policies’<~Hash>:

            • ‘LBCookieStickinessPolicies’<~Array> - list of Load Balancer Generated Cookie Stickiness policies for the LoadBalancer

            • ‘AppCookieStickinessPolicies’<~Array> - list of Application Generated Cookie Stickiness policies for the LoadBalancer

            • ‘OtherPolicies’<~Array> - list of policy names other than the stickiness policies

          • ‘SourceSecurityGroup’<~Hash>:

            • ‘GroupName’<~String> - Name of the source security group to use with inbound security group rules

            • ‘OwnerAlias’<~String> - Owner of the source security group

          • ‘NextMarker’<~String> - Marker to specify for next page



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# File 'lib/fog/aws/requests/elb/describe_load_balancers.rb', line 51

def describe_load_balancers(options = {})
  unless options.is_a?(Hash)
    Fog::Logger.deprecation("describe_load_balancers with #{options.class} is deprecated, use all('LoadBalancerNames' => []) instead [light_black](#{caller.first})[/]")
    options = { 'LoadBalancerNames' => [options].flatten }
  end

  if names = options.delete('LoadBalancerNames')
    options.update(Fog::AWS.indexed_param('LoadBalancerNames.member', [*names]))
  end

  request({
    'Action'  => 'DescribeLoadBalancers',
    :parser   => Fog::Parsers::AWS::ELB::DescribeLoadBalancers.new
  }.merge!(options))
end

#describe_tags(elb_ids) ⇒ Object

returns a Hash of tags for a load balancer docs.aws.amazon.com/ElasticLoadBalancing/latest/APIReference/API_DescribeTags.html

Parameters

  • elb_id <~String> - name(s) of the ELB instance whose tags are to be retrieved (allows 1-20 of them)

Returns

  • response<~Excon::Response>:

    • body<~Hash>:



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# File 'lib/fog/aws/requests/elb/describe_tags.rb', line 15

def describe_tags(elb_ids)
  request({
      'Action' => 'DescribeTags',
      :parser  => Fog::Parsers::AWS::ELB::TagListParser.new
    }.merge(Fog::AWS.indexed_param('LoadBalancerNames.member.%d', elb_ids))
  )
end

#detach_load_balancer_from_subnets(subnet_ids, lb_name) ⇒ Object Also known as: disable_subnets

Disable a subnet for an existing ELB

Parameters

  • subnet_ids<~Array> - List of subnet ids to enable on ELB

  • lb_name<~String> - Load balancer to disable availability zones on

Returns

  • response<~Excon::Response>:

    • body<~Hash>:

      • ‘ResponseMetadata’<~Hash>:

        • ‘RequestId’<~String> - Id of request

      • ‘DetachLoadBalancerFromSubnetsResult’<~Hash>:

        • ‘Subnets’<~Array> - array of strings describing the subnet ids currently enabled



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# File 'lib/fog/aws/requests/elb/detach_load_balancer_from_subnets.rb', line 20

def detach_load_balancer_from_subnets(subnet_ids, lb_name)
  params = Fog::AWS.indexed_param('Subnets.member', [*subnet_ids])
  request({
    'Action'           => 'DetachLoadBalancerFromSubnets',
    'LoadBalancerName' => lb_name,
    :parser            => Fog::Parsers::AWS::ELB::DetachLoadBalancerFromSubnets.new
  }.merge!(params))
end

#disable_availability_zones_for_load_balancer(availability_zones, lb_name) ⇒ Object Also known as: disable_zones

Disable an availability zone for an existing ELB

Parameters

  • availability_zones<~Array> - List of availability zones to disable on ELB

  • lb_name<~String> - Load balancer to disable availability zones on

Returns

  • response<~Excon::Response>:

    • body<~Hash>:

      • ‘ResponseMetadata’<~Hash>:

        • ‘RequestId’<~String> - Id of request

      • ‘DisableAvailabilityZonesForLoadBalancerResult’<~Hash>:

        • ‘AvailabilityZones’<~Array> - A list of updated Availability Zones for the LoadBalancer.



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# File 'lib/fog/aws/requests/elb/disable_availability_zones_for_load_balancer.rb', line 20

def disable_availability_zones_for_load_balancer(availability_zones, lb_name)
  params = Fog::AWS.indexed_param('AvailabilityZones.member', [*availability_zones])
  request({
    'Action'           => 'DisableAvailabilityZonesForLoadBalancer',
    'LoadBalancerName' => lb_name,
    :parser            => Fog::Parsers::AWS::ELB::DisableAvailabilityZonesForLoadBalancer.new
  }.merge!(params))
end

#enable_availability_zones_for_load_balancer(availability_zones, lb_name) ⇒ Object Also known as: enable_zones

Enable an availability zone for an existing ELB

Parameters

  • availability_zones<~Array> - List of availability zones to enable on ELB

  • lb_name<~String> - Load balancer to enable availability zones on

Returns

  • response<~Excon::Response>:

    • body<~Hash>:

      • ‘ResponseMetadata’<~Hash>:

        • ‘RequestId’<~String> - Id of request

      • ‘EnableAvailabilityZonesForLoadBalancerResult’<~Hash>:

        • ‘AvailabilityZones’<~Array> - array of strings describing instances currently enabled



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# File 'lib/fog/aws/requests/elb/enable_availability_zones_for_load_balancer.rb', line 20

def enable_availability_zones_for_load_balancer(availability_zones, lb_name)
  params = Fog::AWS.indexed_param('AvailabilityZones.member', [*availability_zones])
  request({
    'Action'           => 'EnableAvailabilityZonesForLoadBalancer',
    'LoadBalancerName' => lb_name,
    :parser            => Fog::Parsers::AWS::ELB::EnableAvailabilityZonesForLoadBalancer.new
  }.merge!(params))
end

#modify_load_balancer_attributes(lb_name, options) ⇒ Object

Sets attributes of the load balancer

The following attributes can be set:

  • CrossZoneLoadBalancing (enable/disable)

  • ConnectionDraining (enable/disable and timeout)

  • Idle Connection Timeouts

Still requires: AccessLog configuration

docs.aws.amazon.com/ElasticLoadBalancing/latest/APIReference/API_ModifyLoadBalancerAttributes.html

Parameters

  • lb_name<~String> - Name of the ELB

  • options<~Hash>

    • ‘ConnectionDraining’<~Hash>:

      • ‘Enabled’<~Boolean> whether to enable connection draining

      • ‘Timeout’<~Integer> max time to keep existing conns open before deregistering instances

    • ‘CrossZoneLoadBalancing’<~Hash>:

      • ‘Enabled’<~Boolean> whether to enable cross zone load balancing

    • ‘ConnectionSettings’<~Hash>:

      • ‘IdleTimeout’<~Integer> time (in seconds) the connection is allowed to be idle (no data has been sent over the connection) before it is closed by the load balancer.

Returns

  • response<~Excon::Response>:

    • body<~Hash>:

      • ‘ResponseMetadata’<~Hash>:

        • ‘RequestId’<~String> - Id of request



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# File 'lib/fog/aws/requests/elb/modify_load_balancer_attributes.rb', line 33

def modify_load_balancer_attributes(lb_name, options)
  attributes = Fog::AWS.serialize_keys 'LoadBalancerAttributes', options
  request(attributes.merge(
    'Action'           => 'ModifyLoadBalancerAttributes',
    'LoadBalancerName' => lb_name,
    :parser            => Fog::Parsers::AWS::ELB::Empty.new
  ))
end

#register_instances_with_load_balancer(instance_ids, lb_name) ⇒ Object Also known as: register_instances

Register an instance with an existing ELB

Parameters

  • instance_ids<~Array> - List of instance IDs to associate with ELB

  • lb_name<~String> - Load balancer to assign instances to

Returns

  • response<~Excon::Response>:

    • body<~Hash>:

      • ‘ResponseMetadata’<~Hash>:

        • ‘RequestId’<~String> - Id of request

      • ‘RegisterInstancesWithLoadBalancerResult’<~Hash>:

        • ‘Instances’<~Array> - array of hashes describing instances currently enabled

          • ‘InstanceId’<~String>



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# File 'lib/fog/aws/requests/elb/register_instances_with_load_balancer.rb', line 21

def register_instances_with_load_balancer(instance_ids, lb_name)
  params = Fog::AWS.indexed_param('Instances.member.%d.InstanceId', [*instance_ids])
  request({
    'Action'           => 'RegisterInstancesWithLoadBalancer',
    'LoadBalancerName' => lb_name,
    :parser            => Fog::Parsers::AWS::ELB::RegisterInstancesWithLoadBalancer.new
  }.merge!(params))
end

#reload ⇒ Object 



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# File 'lib/fog/aws/elb.rb', line 151

def reload
  @connection.reset
end

#remove_tags(elb_id, keys) ⇒ Object

removes tags from an elastic load balancer instance docs.aws.amazon.com/ElasticLoadBalancing/latest/APIReference/API_RemoveTags.html

Parameters

  • elb_id <~String> - name of the ELB instance whose tags are to be retrieved

  • keys <~Array> A list of String keys for the tags to remove

Returns

  • response<~Excon::Response>:

    • body<~Hash>:



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# File 'lib/fog/aws/requests/elb/remove_tags.rb', line 14

def remove_tags(elb_id, keys)
  request(
    { 'Action'                      => 'RemoveTags',
      # Note: there is a discrepancy in the API docs in the ID parameter name between the write-up and the example.
      # Who knows which way the fix will go, if any is ever made? In any case, this works.
      'LoadBalancerNames.member.1'  => elb_id,
      :parser => Fog::Parsers::AWS::ELB::Empty.new,
    }.merge(Fog::AWS.indexed_param('Tags.member.%d.Key', keys))
  )
end

#set_load_balancer_listener_ssl_certificate(lb_name, load_balancer_port, ssl_certificate_id) ⇒ Object

Sets the certificate that terminates the specified listener’s SSL connections. The specified certificate replaces any prior certificate that was used on the same LoadBalancer and port.

Parameters

  • lb_name<~String> - Name of the ELB

  • load_balancer_port<~Integer> - The external port of the LoadBalancer with which this policy has to be associated.

  • ssl_certificate_id<~String> - ID of the SSL certificate chain to use example: arn:aws:iam::322191361670:server-certificate/newCert

Returns

  • response<~Excon::Response>:

    • body<~Hash>:

      • ‘ResponseMetadata’<~Hash>:

        • ‘RequestId’<~String> - Id of request



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# File 'lib/fog/aws/requests/elb/set_load_balancer_listener_ssl_certificate.rb', line 23

def set_load_balancer_listener_ssl_certificate(lb_name, load_balancer_port, ssl_certificate_id)
  request({
    'Action'           => 'SetLoadBalancerListenerSSLCertificate',
    'LoadBalancerName' => lb_name,
    'LoadBalancerPort' => load_balancer_port,
    'SSLCertificateId' => ssl_certificate_id,
    :parser            => Fog::Parsers::AWS::ELB::Empty.new
  })
end

#set_load_balancer_policies_for_backend_server(lb_name, instance_port, policy_names) ⇒ Object

Replaces the current set of policies associated with a port on which the back-end server is listening with a new set of policies. After the policies have been created using CreateLoadBalancerPolicy, they can be applied here as a list.

Parameters

  • lb_name<~String> - Name of the ELB

  • instance_port<~Integer> - The port on the instance that the ELB will forward traffic to

  • policy_names<~Array> - Array of Strings listing the policies to set for the backend port

Returns

  • response<~Excon::Response>:

    • body<~Hash>:

      • ‘ResponseMetadata’<~Hash>:

        • ‘RequestId’<~String> - Id of request



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# File 'lib/fog/aws/requests/elb/set_load_balancer_policies_for_backend_server.rb', line 19

def set_load_balancer_policies_for_backend_server(lb_name, instance_port, policy_names)
  params = {'InstancePort' => instance_port}
  if policy_names.any?
    params.merge!(Fog::AWS.indexed_param('PolicyNames.member', policy_names))
  else
    params['PolicyNames'] = ''
  end

  request({ 'Action' => 'SetLoadBalancerPoliciesForBackendServer',
            'LoadBalancerName' => lb_name,
            :parser => Fog::Parsers::AWS::ELB::Empty.new
          }.merge!(params))
end

#set_load_balancer_policies_of_listener(lb_name, load_balancer_port, policy_names) ⇒ Object

  • policy_names<~Array> - List of policies to be associated with the listener. Currently this list can have at most one policy. If the list is empty, the current policy is removed from the listener.

Returns

  • response<~Excon::Response>:

    • body<~Hash>:

      • ‘ResponseMetadata’<~Hash>:

        • ‘RequestId’<~String> - Id of request



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# File 'lib/fog/aws/requests/elb/set_load_balancer_policies_of_listener.rb', line 24

def set_load_balancer_policies_of_listener(lb_name, load_balancer_port, policy_names)
  params = {'LoadBalancerPort' => load_balancer_port}
  if policy_names.any?
    params.merge!(Fog::AWS.indexed_param('PolicyNames.member', policy_names))
  else
    params['PolicyNames'] = ''
  end

  request({
    'Action'           => 'SetLoadBalancerPoliciesOfListener',
    'LoadBalancerName' => lb_name,
    :parser            => Fog::Parsers::AWS::ELB::Empty.new
  }.merge!(params))
end