From 2e474753b0b7161f35ea2a8f7a5d94d83d623cd9 Mon Sep 17 00:00:00 2001
From: anon6789 <anon6789@jel.to>
Date: Fri, 14 Aug 2020 09:51:45 +0200
Subject: [PATCH] add hcloud csi driver volume support

---
 README.md                     |  1 +
 install-hcloud-csi.tf         | 20 ++++++++++++++++++++
 scripts/install-hcloud-csi.sh |  7 +++++++
 variables.tf                  |  3 +++
 4 files changed, 31 insertions(+)
 create mode 100644 install-hcloud-csi.tf
 create mode 100644 scripts/install-hcloud-csi.sh

diff --git a/README.md b/README.md
index 1bce29f..dbaa192 100644
--- a/README.md
+++ b/README.md
@@ -39,6 +39,7 @@ $ KUBECONFIG=secrets/admin.conf kubectl expose deploy nginx --port=80 --type Nod
 | `kubernetes_version`  | `1.18.6`                | Kubernetes version that will be installed                                                                                   | No  |
 | `feature_gates`       | ``                      | Add your own Feature Gates for Kubeadm                                                                                      | No  |
 | `calico_enabled`      | `false`                 | Installs Calico Network Provider after the master comes up                                                                  | No  |
+| `csi_driver_enabled`  | `false`	                | Installs [hcloud-csi driver](https://github.com/hetznercloud/csi-driver) for persistent volume support                      | No  |
 
 All variables cloud be passed through `environment variables` or a `tfvars` file.
 
diff --git a/install-hcloud-csi.tf b/install-hcloud-csi.tf
new file mode 100644
index 0000000..7714fb9
--- /dev/null
+++ b/install-hcloud-csi.tf
@@ -0,0 +1,20 @@
+resource "null_resource" "hcloud-csi" {
+  count = var.csi_driver_enabled ? 1 : 0
+
+  connection {
+    host        = hcloud_server.master.0.ipv4_address
+    private_key = file(var.ssh_private_key)
+  }
+
+  provisioner "file" {
+    source      = "scripts/install-hcloud-csi.sh"
+    destination = "/root/install-hcloud-csi.sh"
+  }
+
+  provisioner "remote-exec" {
+    inline = ["HCLOUD_TOKEN=${var.hcloud_token} bash /root/install-hcloud-csi.sh"]
+  }
+
+  depends_on = [hcloud_server.master]
+}
+
diff --git a/scripts/install-hcloud-csi.sh b/scripts/install-hcloud-csi.sh
new file mode 100644
index 0000000..73ce698
--- /dev/null
+++ b/scripts/install-hcloud-csi.sh
@@ -0,0 +1,7 @@
+#!/usr/bin/bas
+set -eu
+
+#create secret with hcloud token for hcloud-csi driver
+kubectl -n kube-system create secret generic hcloud-csi --from-literal=token=$HCLOUD_TOKEN --dry-run=client -o yaml | kubectl apply -f -
+
+kubectl apply -f https://raw.githubusercontent.com/hetznercloud/csi-driver/v1.4.0/deploy/kubernetes/hcloud-csi.yml
\ No newline at end of file
diff --git a/variables.tf b/variables.tf
index 2158cd7..74a013b 100755
--- a/variables.tf
+++ b/variables.tf
@@ -54,3 +54,6 @@ variable "calico_enabled" {
   default = false
 }
 
+variable "csi_driver_enabled" {
+  default = false
+}
\ No newline at end of file