Add ability to load balance TCP applications on AWS
* Add ability to load balance TCP applications (e.g. NodePort) * Output the network load balancer ARN as `nlb_id` * Accept a `worker_target_groups` (ARN) list to which worker instances should be added * AWS NLBs and target groups don't support UDP
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@ -6,6 +6,12 @@ Notable changes between versions.
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* Update Calico from v3.6.0 to v3.6.1
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#### AWS
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* Add ability to load balance TCP applications ([#443](https://github.com/poseidon/typhoon/pull/443))
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* Output the network load balancer ARN as `nlb_id`
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* Accept a `worker_target_groups` (ARN) list to which worker instances should be added
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#### Google Cloud
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* Add ability to load balance TCP/UDP applications ([#442](https://github.com/poseidon/typhoon/pull/442))
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@ -37,6 +37,11 @@ output "kubeconfig" {
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# Outputs for custom load balancing
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output "nlb_id" {
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description = "ARN of the Network Load Balancer"
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value = "${aws_lb.nlb.id}"
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}
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output "worker_target_group_http" {
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description = "ARN of a target group of workers for HTTP traffic"
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value = "${module.workers.target_group_http}"
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@ -71,6 +71,12 @@ variable "worker_price" {
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description = "Spot price in USD for autoscaling group spot instances. Leave as default empty string for autoscaling group to use on-demand instances. Note, switching in-place from spot to on-demand is not possible: https://github.com/terraform-providers/terraform-provider-aws/issues/4320"
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}
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variable "worker_target_groups" {
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type = "list"
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description = "Additional target group ARNs to which worker instances should be added"
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default = []
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}
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variable "controller_clc_snippets" {
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type = "list"
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description = "Controller Container Linux Config snippets"
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@ -11,6 +11,7 @@ module "workers" {
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os_image = "${var.os_image}"
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disk_size = "${var.disk_size}"
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spot_price = "${var.worker_price}"
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target_groups = ["${var.worker_target_groups}"]
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# configuration
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kubeconfig = "${module.bootkube.kubeconfig-kubelet}"
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@ -64,6 +64,12 @@ variable "spot_price" {
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description = "Spot price in USD for autoscaling group spot instances. Leave as default empty string for autoscaling group to use on-demand instances. Note, switching in-place from spot to on-demand is not possible: https://github.com/terraform-providers/terraform-provider-aws/issues/4320"
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}
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variable "target_groups" {
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type = "list"
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description = "Additional target group ARNs to which instances should be added"
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default = []
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}
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variable "clc_snippets" {
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type = "list"
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description = "Container Linux Config snippets"
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@ -19,6 +19,7 @@ resource "aws_autoscaling_group" "workers" {
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target_group_arns = [
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"${aws_lb_target_group.workers-http.id}",
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"${aws_lb_target_group.workers-https.id}",
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"${var.target_groups}",
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]
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lifecycle {
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@ -242,6 +242,7 @@ Reference the DNS zone id with `"${aws_route53_zone.zone-for-clusters.zone_id}"`
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| disk_size | Size of the EBS volume in GB | "40" | "100" |
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| disk_type | Type of the EBS volume | "gp2" | standard, gp2, io1 |
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| disk_iops | IOPS of the EBS volume | "0" (i.e. auto) | "400" |
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| worker_target_groups | Target group ARNs to which worker instances should be added | [] | ["${aws_lb_target_group.app.id}"] |
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| worker_price | Spot price in USD for workers. Leave as default empty string for regular on-demand instances | "" | "0.10" |
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| controller_clc_snippets | Controller Container Linux Config snippets | [] | [example](/advanced/customization/) |
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| worker_clc_snippets | Worker Container Linux Config snippets | [] | [example](/advanced/customization/) |
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