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Add an IPv6 address and forwarding rules on Google Cloud

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* Allowing serving IPv6 applications via Kubernetes Ingress
on Typhoon Google Cloud clusters
* Add `ingress_static_ipv6` output variable for use in AAAA
DNS records
This commit is contained in:
Dalton Hubble
2018-10-28 14:17:12 -07:00
parent f034ef90ae
commit 5be5b261e2
12 changed files with 159 additions and 16 deletions
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37
google-cloud/container-linux/kubernetes/ingress.tf
View File

@ -1,13 +1,19 @@
# Static IPv4 address for the TCP Proxy Load Balancer
# Static IPv4 address for Ingress Load Balancing
resource "google_compute_global_address" "ingress-ipv4" {
name = "${var.cluster_name}-ingress-ip"
name = "${var.cluster_name}-ingress-ipv4"
ip_version = "IPV4"
}
# Static IPv6 address for Ingress Load Balancing
resource "google_compute_global_address" "ingress-ipv6" {
name = "${var.cluster_name}-ingress-ipv6"
ip_version = "IPV6"
}
# Forward IPv4 TCP traffic to the HTTP proxy load balancer
# Google Cloud does not allow TCP proxies for port 80. Must use HTTP proxy.
resource "google_compute_global_forwarding_rule" "ingress-http" {
name = "${var.cluster_name}-ingress-http"
resource "google_compute_global_forwarding_rule" "ingress-http-ipv4" {
name = "${var.cluster_name}-ingress-http-ipv4"
ip_address = "${google_compute_global_address.ingress-ipv4.address}"
ip_protocol = "TCP"
port_range = "80"
@ -15,14 +21,33 @@ resource "google_compute_global_forwarding_rule" "ingress-http" {
}
# Forward IPv4 TCP traffic to the TCP proxy load balancer
resource "google_compute_global_forwarding_rule" "ingress-https" {
name = "${var.cluster_name}-ingress-https"
resource "google_compute_global_forwarding_rule" "ingress-https-ipv4" {
name = "${var.cluster_name}-ingress-https-ipv4"
ip_address = "${google_compute_global_address.ingress-ipv4.address}"
ip_protocol = "TCP"
port_range = "443"
target = "${google_compute_target_tcp_proxy.ingress-https.self_link}"
}
# Forward IPv6 TCP traffic to the HTTP proxy load balancer
# Google Cloud does not allow TCP proxies for port 80. Must use HTTP proxy.
resource "google_compute_global_forwarding_rule" "ingress-http-ipv6" {
name = "${var.cluster_name}-ingress-http-ipv6"
ip_address = "${google_compute_global_address.ingress-ipv6.address}"
ip_protocol = "TCP"
port_range = "80"
target = "${google_compute_target_http_proxy.ingress-http.self_link}"
}
# Forward IPv6 TCP traffic to the TCP proxy load balancer
resource "google_compute_global_forwarding_rule" "ingress-https-ipv6" {
name = "${var.cluster_name}-ingress-https-ipv6"
ip_address = "${google_compute_global_address.ingress-ipv6.address}"
ip_protocol = "TCP"
port_range = "443"
target = "${google_compute_target_tcp_proxy.ingress-https.self_link}"
}
# HTTP proxy load balancer for ingress controllers
resource "google_compute_target_http_proxy" "ingress-http" {
name = "${var.cluster_name}-ingress-http"

5
google-cloud/container-linux/kubernetes/outputs.tf
View File

@ -5,6 +5,11 @@ output "ingress_static_ipv4" {
value = "${google_compute_global_address.ingress-ipv4.address}"
}
output "ingress_static_ipv6" {
description = "Global IPv6 address for proxy load balancing to the nearest Ingress controller"
value = "${google_compute_global_address.ingress-ipv6.address}"
}
# Outputs for worker pools
output "network_name" {