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Fix: Error when creating subnets more than AZ (#8516)

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SOPHAL HONG 2022-02-15 06:12:30 +09:00 committed by GitHub
parent b02e68222f
commit a6a79883b7
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3 changed files with 10 additions and 14 deletions
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14
contrib/terraform/aws/create-infrastructure.tf
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@ -20,7 +20,7 @@ module "aws-vpc" {
aws_cluster_name = var.aws_cluster_name
aws_vpc_cidr_block = var.aws_vpc_cidr_block
aws_avail_zones = slice(data.aws_availability_zones.available.names, 0, length(var.aws_cidr_subnets_public) <= length(data.aws_availability_zones.available.names) ? length(var.aws_cidr_subnets_public) : length(data.aws_availability_zones.available.names))
aws_avail_zones = data.aws_availability_zones.available.names
aws_cidr_subnets_private = var.aws_cidr_subnets_private
aws_cidr_subnets_public = var.aws_cidr_subnets_public
default_tags = var.default_tags
@ -31,7 +31,7 @@ module "aws-elb" {
aws_cluster_name = var.aws_cluster_name
aws_vpc_id = module.aws-vpc.aws_vpc_id
aws_avail_zones = slice(data.aws_availability_zones.available.names, 0, length(var.aws_cidr_subnets_public) <= length(data.aws_availability_zones.available.names) ? length(var.aws_cidr_subnets_public) : length(data.aws_availability_zones.available.names))
aws_avail_zones = data.aws_availability_zones.available.names
aws_subnet_ids_public = module.aws-vpc.aws_subnet_ids_public
aws_elb_api_port = var.aws_elb_api_port
k8s_secure_api_port = var.k8s_secure_api_port
@ -54,7 +54,6 @@ resource "aws_instance" "bastion-server" {
instance_type = var.aws_bastion_size
count = var.aws_bastion_num
associate_public_ip_address = true
availability_zone = element(slice(data.aws_availability_zones.available.names, 0, length(var.aws_cidr_subnets_public) <= length(data.aws_availability_zones.available.names) ? length(var.aws_cidr_subnets_public) : length(data.aws_availability_zones.available.names)), count.index)
subnet_id = element(module.aws-vpc.aws_subnet_ids_public, count.index)
vpc_security_group_ids = module.aws-vpc.aws_security_group
@ -79,8 +78,7 @@ resource "aws_instance" "k8s-master" {
count = var.aws_kube_master_num
availability_zone = element(slice(data.aws_availability_zones.available.names, 0, length(var.aws_cidr_subnets_public) <= length(data.aws_availability_zones.available.names) ? length(var.aws_cidr_subnets_public) : length(data.aws_availability_zones.available.names)), count.index)
subnet_id = element(module.aws-vpc.aws_subnet_ids_private, count.index)
subnet_id = element(module.aws-vpc.aws_subnet_ids_private, count.index)
vpc_security_group_ids = module.aws-vpc.aws_security_group
@ -110,8 +108,7 @@ resource "aws_instance" "k8s-etcd" {
count = var.aws_etcd_num
availability_zone = element(slice(data.aws_availability_zones.available.names, 0, length(var.aws_cidr_subnets_public) <= length(data.aws_availability_zones.available.names) ? length(var.aws_cidr_subnets_public) : length(data.aws_availability_zones.available.names)), count.index)
subnet_id = element(module.aws-vpc.aws_subnet_ids_private, count.index)
subnet_id = element(module.aws-vpc.aws_subnet_ids_private, count.index)
vpc_security_group_ids = module.aws-vpc.aws_security_group
@ -134,8 +131,7 @@ resource "aws_instance" "k8s-worker" {
count = var.aws_kube_worker_num
availability_zone = element(slice(data.aws_availability_zones.available.names, 0, length(var.aws_cidr_subnets_public) <= length(data.aws_availability_zones.available.names) ? length(var.aws_cidr_subnets_public) : length(data.aws_availability_zones.available.names)), count.index)
subnet_id = element(module.aws-vpc.aws_subnet_ids_private, count.index)
subnet_id = element(module.aws-vpc.aws_subnet_ids_private, count.index)
vpc_security_group_ids = module.aws-vpc.aws_security_group

2
contrib/terraform/aws/modules/elb/main.tf
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@ -28,7 +28,7 @@ resource "aws_security_group_rule" "aws-allow-api-egress" {
# Create a new AWS ELB for K8S API
resource "aws_elb" "aws-elb-api" {
name = "kubernetes-elb-${var.aws_cluster_name}"
subnets = var.aws_subnet_ids_public
subnets = length(var.aws_subnet_ids_public) <= length(var.aws_avail_zones) ? var.aws_subnet_ids_public : slice(var.aws_subnet_ids_public, 0, length(var.aws_avail_zones))
security_groups = [aws_security_group.aws-elb.id]
listener {

8
contrib/terraform/aws/modules/vpc/main.tf
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@ -25,8 +25,8 @@ resource "aws_internet_gateway" "cluster-vpc-internetgw" {
resource "aws_subnet" "cluster-vpc-subnets-public" {
vpc_id = aws_vpc.cluster-vpc.id
count = length(var.aws_avail_zones)
availability_zone = element(var.aws_avail_zones, count.index)
count = length(var.aws_cidr_subnets_public)
availability_zone = element(var.aws_avail_zones, count.index % length(var.aws_avail_zones))
cidr_block = element(var.aws_cidr_subnets_public, count.index)
tags = merge(var.default_tags, tomap({
@ -43,8 +43,8 @@ resource "aws_nat_gateway" "cluster-nat-gateway" {
resource "aws_subnet" "cluster-vpc-subnets-private" {
vpc_id = aws_vpc.cluster-vpc.id
count = length(var.aws_avail_zones)
availability_zone = element(var.aws_avail_zones, count.index)
count = length(var.aws_cidr_subnets_private)
availability_zone = element(var.aws_avail_zones, count.index % length(var.aws_avail_zones))
cidr_block = element(var.aws_cidr_subnets_private, count.index)
tags = merge(var.default_tags, tomap({