Interface GuApplicationTargetGroupProps

The amount of time for Elastic Load Balancing to wait before deregistering a target.

The range is 0-3600 seconds.

Default

300

Health check configuration

Default

• The default value for each property in this configuration varies depending on the target.

See

https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-elasticloadbalancingv2-targetgroup.html#aws-resource-elasticloadbalancingv2-targetgroup-properties

The load balancing algorithm to select targets for routing requests.

Default

TargetGroupLoadBalancingAlgorithmType.ROUND_ROBIN

The port on which the listener listens for requests.

Default

• Determined from protocol if known, optional for Lambda targets.

The protocol to use

Default

• Determined from port if known, optional for Lambda targets.

The protocol version to use

Default

ApplicationProtocolVersion.HTTP1

The time period during which the load balancer sends a newly registered target a linearly increasing share of the traffic to the target group.

The range is 30-900 seconds (15 minutes).

Default

0

The stickiness cookie expiration period.

Setting this value enables load balancer stickiness.

After this period, the cookie is considered stale. The minimum value is 1 second and the maximum value is 7 days (604800 seconds).

Default

Duration.days(1)

The name of an application-based stickiness cookie.

Names that start with the following prefixes are not allowed: AWSALB, AWSALBAPP, and AWSALBTG; they're reserved for use by the load balancer.

Note: stickinessCookieName parameter depends on the presence of stickinessCookieDuration parameter. If stickinessCookieDuration is not set, stickinessCookieName will be omitted.

Default

• If stickinessCookieDuration is set, a load-balancer generated cookie is used. Otherwise, no stickiness is defined.

See

https://docs.aws.amazon.com/elasticloadbalancing/latest/application/sticky-sessions.html

The name of the target group.

This name must be unique per region per account, can have a maximum of 32 characters, must contain only alphanumeric characters or hyphens, and must not begin or end with a hyphen.

Default

• Automatically generated.

The type of targets registered to this TargetGroup, either IP or Instance.

All targets registered into the group must be of this type. If you register targets to the TargetGroup in the CDK app, the TargetType is determined automatically.

Default

• Determined automatically.

The targets to add to this target group.

Can be Instance, IPAddress, or any self-registering load balancing target. If you use either Instance or IPAddress as targets, all target must be of the same type.

Default

• No targets.

The virtual private cloud (VPC).

only if TargetType is Ip or InstanceId

Default

• undefined