Terraform resource: aws lb target group

aws_lb_target_group(tf.io)

• Target Group type: ip, used for ECS services

Examples

Instance Target Group

resource "aws_lb_target_group" "test" {
 name     = "tf-example-lb-tg"
 port     = 80
 protocol = "HTTP"
 vpc_id   = aws_vpc.main.id
}

resource "aws_vpc" "main" {
  cidr_block = "10.0.0.0/16"
}

IP Target Group official example

resource "aws_lb_target_group" "ip-example" {
 name        = "tf-example-lb-tg"
 port        = 80
 protocol    = "HTTP"
 target_type = "ip"
 vpc_id      = aws_vpc.main.id
}

resource "aws_vpc" "main" {
 cidr_block = "10.0.0.0/16"
}

host_header based forward

resource "aws_lb_listener_rule" "your_host_rule" {
  listener_arn = local.your_https_listener_arn
  priority     = 401

  action {
    type             = "forward"
    target_group_arn = aws_lb_target_group.your_tg.arn
  }

  condition {
    host_header {
      values = [var.yoururl]
    }
  }

Attributes reference

• arn_suffix - ARN suffix for use with CloudWatch Metrics.
• arn - ARN of the Target Group (matches id).
• id - ARN of the Target Group (matches arn).
• name - Name of the Target Group.
• tags_all - A map of tags assigned to the resource, including those inherited from the provider default_tags configuration block.
• type: The type of sticky sessions. The only current possible values are lb_cookie, app_cookie for ALBs, and source_ip for NLBs. https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/lb_target_group#type
• fixed_response https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/lb_listener_rule#fixed_response
• target_type: instance (default), ip https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/lb_target_group#target_type
• vpc_id
• protocol: GENEVE, HTTP, HTTPS, TCP, TCP_UDP, TLS, or UDP
• protocol_version (optional): HTTP1 (default), GRPC, HTTP2
• health_check

Example Instance Target Group

resource "aws_lb_target_group" "test" {
  name     = "tf-example-lb-tg"
  port     = 80
  protocol = "HTTP"
  vpc_id   = aws_vpc.main.id
} 

resource "aws_vpc" "main" {
  cidr_block = "10.0.0.0/16"
}

Related terms

• target_group_arn
• aws_lb_listener_rule
• draining
• aws_lb
• ResourceInUse
• load balancer (argument)
• aws elbv2 create-target-group

See also

• Terraform resource: aws_lb_target_group, target_group_arn, aws lb target group - fixed response, CreateTargetGroup
• Terraform LB: aws_lb: aws_lb_listener, aws_lb_listener_certificate, aws_lb_listener_rule, aws_lb_target_group, aws_lb_target_group_attachment, load_balancer_type, aws lb listener: default action, aws load balancer policy

https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/lb_target_group#protocol

https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/lb_target_group#protocol_version

https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/lb_target_group#health_check