From 63008004f7ee9d7db47d0885e78c3141987797d9 Mon Sep 17 00:00:00 2001
From: phaer <hello@phaer.org>
Date: Mon, 21 Feb 2022 12:45:11 +0100
Subject: [PATCH] wait for load-balancer ip, expose it via terraform

---
 main.tf   | 4 +---
 master.tf | 9 ++++++++-
 output.tf | 2 --
 3 files changed, 9 insertions(+), 6 deletions(-)

diff --git a/main.tf b/main.tf
index 3650304..d0eb508 100644
--- a/main.tf
+++ b/main.tf
@@ -153,10 +153,8 @@ resource "hcloud_placement_group" "k3s" {
   }
 }
 
-/* 
 data "hcloud_load_balancer" "traefik" {
   name = "traefik"
 
-  depends_on = [hcloud_server.agents[0]]
+  depends_on = [module.first_control_plane]
 }
-*/
diff --git a/master.tf b/master.tf
index dd51aeb..9dc91c1 100644
--- a/master.tf
+++ b/master.tf
@@ -157,7 +157,14 @@ resource "null_resource" "first_control_plane" {
       "kubectl apply -k /tmp/post_install",
       "echo 'Waiting for the system-upgrade-controller deployment to become available...'",
       "kubectl -n system-upgrade wait --for=condition=available --timeout=120s deployment/system-upgrade-controller",
-      "kubectl -n system-upgrade apply -f /tmp/post_install/plans.yaml"
+      "kubectl -n system-upgrade apply -f /tmp/post_install/plans.yaml",
+      <<-EOT
+      timeout 120 bash <<EOF
+      until [ -n "\$(kubectl get -n kube-system service/traefik --output=jsonpath='{.status.loadBalancer.ingress[0].ip}')" ]; do
+          echo "Waiting for load-balancer to get an IP..."
+      done
+      EOF
+      EOT
     ]
   }
 
diff --git a/output.tf b/output.tf
index 8abb440..3db1478 100644
--- a/output.tf
+++ b/output.tf
@@ -8,12 +8,10 @@ output "agents_public_ip" {
   description = "The public IP addresses of the agent server."
 }
 
-/* 
 output "load_balancer_public_ip" {
   description = "The public IPv4 address of the Hetzner load balancer"
   value       = data.hcloud_load_balancer.traefik.ipv4
 }
-*/
 
 output "kubeconfig_file" {
   value       = local.kubeconfig_external