From 66b2e316ef588cfde9c9662bfc1de57a0e4f494d Mon Sep 17 00:00:00 2001
From: Trygve Laugstøl <trygvis@inamo.no>
Date: Tue, 30 Jul 2019 22:51:20 +0200
Subject: o Nodes doesn't need public IPs.

---
 terraform/ansible/.gitignore                         |  2 ++
 terraform/ansible/inventory                          | 17 +++++++++++------
 terraform/ansible/roles/k3s/templates/k3s.service.j2 |  6 ++----
 terraform/node.tf                                    | 15 ++++-----------
 4 files changed, 19 insertions(+), 21 deletions(-)
 create mode 100644 terraform/ansible/.gitignore

diff --git a/terraform/ansible/.gitignore b/terraform/ansible/.gitignore
new file mode 100644
index 0000000..bcf2118
--- /dev/null
+++ b/terraform/ansible/.gitignore
@@ -0,0 +1,2 @@
+.retry
+env
diff --git a/terraform/ansible/inventory b/terraform/ansible/inventory
index 880397a..f3d4239 100755
--- a/terraform/ansible/inventory
+++ b/terraform/ansible/inventory
@@ -3,21 +3,26 @@
 read -r -d '' script <<'EOF'
 to_entries|map({(.key|tostring):.value.value})|add as $input |
 
-$input.k8s_node_names|to_entries|map({(.value):{
-  ansible_host:$input.k8s_node_public_ips[.key],
-  private_ip:$input.k8s_node_private_ips[.key]}
-  }) as $nodes |
-
 {
   ansible_host:$input.k8s_master_ip.public_ip,
   private_ip:$input.k8s_master_ip.private_ip,
 } as $master |
 
+$input.k8s_node_names|to_entries|map({(.value):{
+  ansible_host:$input.k8s_node_private_ips[.key],
+  private_ip:$input.k8s_node_private_ips[.key],
+  }) as $nodes |
+
 {_meta:{
   hostvars:([{"k8s-master": $master}]+$nodes|add)},
   all:(["k8s-master"] + ($input.k8s_node_names)),
   k8s:(["k8s-master"] + ($input.k8s_node_names)),
-  "k8s-nodes":$input.k8s_node_names,
+  "k8s-nodes":{
+      "hosts": $input.k8s_node_names,
+      "vars": {
+          "ansible_ssh_common_args": (["-J ", $input.k8s_master_ip.public_ip]|add)
+      }
+  }
 }
 EOF
 
diff --git a/terraform/ansible/roles/k3s/templates/k3s.service.j2 b/terraform/ansible/roles/k3s/templates/k3s.service.j2
index 5c0c559..7ef391f 100644
--- a/terraform/ansible/roles/k3s/templates/k3s.service.j2
+++ b/terraform/ansible/roles/k3s/templates/k3s.service.j2
@@ -5,14 +5,12 @@ After=network.target
 {% if k3s_role == 'master' %}
 ExecStartPre=-/sbin/modprobe br_netfilter
 ExecStartPre=-/sbin/modprobe overlay
-ExecStart=/usr/local/bin/k3s server \
-  --node-ip {{ ansible_host }}
+ExecStart=/usr/local/bin/k3s server
 {% else %}
 # TODO: this should use private_ip
 ExecStart=/usr/local/bin/k3s agent \
-  --server https://{{ hostvars['k8s-master']['ansible_host'] }}:6443 \
   --token {{ hostvars['k8s-master']['node_token'] }} \
-  --node-ip {{ ansible_host }}
+  --server https://{{ hostvars['k8s-master']['private_ip'] }}:6443
 {% endif %}
 KillMode=process
 Delegate=yes
diff --git a/terraform/node.tf b/terraform/node.tf
index eeb3fc6..802882b 100644
--- a/terraform/node.tf
+++ b/terraform/node.tf
@@ -1,12 +1,7 @@
-resource "scaleway_ip" "k8s_node_ips" {
-  count = "${var.node_count}"
-}
-
 resource "scaleway_server" "k8s_node" {
   name  = "k8s-node${count.index}"
-  image = "${data.scaleway_image.debian.id}"
-  type  = "${var.k8s_master_server_type}"
-  public_ip = "${element(scaleway_ip.k8s_node_ips.*.ip, count.index)}"
+  image = data.scaleway_image.debian.id
+  type  = var.k8s_master_server_type
 
   count = var.node_count
 
@@ -18,16 +13,14 @@ resource "scaleway_server" "k8s_node" {
     scaleway_ssh_key.trygvis_akili,
     scaleway_ssh_key.trygvis_conflatorio,
   ]
+
+  state = "stopped"
 }
 
 output "k8s_node_names" {
   value = scaleway_server.k8s_node.*.name
 }
 
-output "k8s_node_public_ips" {
-  value = scaleway_server.k8s_node.*.public_ip
-}
-
 output "k8s_node_private_ips" {
   value = scaleway_server.k8s_node.*.private_ip
 }
-- 
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