aws_lb_target_group_attachment:将多个实例附加到每个target_group

Question

每个 NLB 有多个target_groups，我需要将多个实例附加到每个target_group。target_id是资源aws_lb_target_group_attachment字符串，我看不到任何简单的方法可以实现这一点。这就是我正在做的 atm：

vars.tf

variable "nlb_listeners" {
default = [
{
protocol     = "TCP"
target_port  = "80"
health_port  = "1936"
},
{
protocol     = "TCP"
target_port  = "443"
health_port  = "1936"
}
]
}

实例 .tf

// Get the instance ids of the NLB members  
data "aws_instances" "nlb_insts" {
instance_tags = {
Name = "${var.vpc_names[var.idx]}${var.inst_role}0*"
}
instance_state_names = ["running", "stopped"]
}
// EC2 instances
resource "aws_instance" "insts" {
count         = var.inst_count
instance_type = var.inst_type
.......
}

balancer.tf

// Creates the target-group
resource "aws_lb_target_group" "nlb_target_groups" {
count                = length(var.nlb_listeners)
name                 = "nlb-tgr-${lookup(var.nlb_listeners[count.index], "target_port")}"
deregistration_delay = var.deregistration_delay
port                 = lookup(var.nlb_listeners[count.index], "target_port")
protocol             = lookup(var.nlb_listeners[count.index], "protocol")
vpc_id               = var.vpc_ids[var.idx]
health_check {
port                = lookup(var.nlb_listeners[count.index], "health_port")
protocol            = lookup(var.nlb_listeners[count.index], "protocol")
interval            = var.health_check_interval
unhealthy_threshold = var.unhealthy_threshold
healthy_threshold   = var.healthy_threshold
}
}
// Attach the target groups to the instance(s)
resource "aws_lb_target_group_attachment" "tgr_attachment" {
count            = length(var.nlb_listeners)
target_group_arn = element(aws_lb_target_group.nlb_target_groups.*.arn, count.index)
target_id        = [for sc in range(var.inst_count) : data.aws_instances.nlb_insts.ids[sc]]
port             = lookup(var.nlb_listeners[count.index], "target_port")
}

所以，我收到此错误：

错误：属性值类型不正确

上。。/../modules/elb/balencer.tf 第 31 行，在资源中 "aws_lb_target_group_attachment"tgr_attachment"：31：target_id= [对于范围(2(中的sc：data.aws_instances.nlb_insts.ids[sc]]

属性"target_id"的值不合适：需要字符串。

有人知道我如何实现这一目标吗？

Answer 1

快速查看您的代码，我会说这是给您带来的错误：

data.aws_instances.nlb_insts.ids[sc]

应该是：

data.aws_instances.nlb_insts[sc].ids

索引继续资源，然后你从你的资源中获取 id，在你的例子中，你试图获取所有资源的所有 id，然后获取它的索引，这不是这样做的方法！