From b6a013c8d58f359811bbd555684aaa961842c6ff Mon Sep 17 00:00:00 2001
From: Markus Katharina Brechtel <markus.katharina.brechtel@thengo.net>
Date: Sun, 10 May 2020 16:46:59 +0200
Subject: [PATCH] terraform hetzner volumes

---
 .gitignore          |  1 +
 inventory_input.tf  |  8 +++++++-
 provider_hetzner.tf | 43 +++++++++++++++++++++++++++++++++++++------
 3 files changed, 45 insertions(+), 7 deletions(-)

diff --git a/.gitignore b/.gitignore
index 2098ce8..720e01e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,4 @@
 *.auto.tfvars
 *.tfstate
 *.tfstate.backup
+inventory.json
diff --git a/inventory_input.tf b/inventory_input.tf
index 8daf759..f629ad3 100644
--- a/inventory_input.tf
+++ b/inventory_input.tf
@@ -1,6 +1,12 @@
 variable "vm_hosts" {
   default = {
-    "controller.testing.thengo.net" = { provider = "hetzner", groups = [ "controllers" ] }
+    "controller.testing.thengo.net" = {
+      provider = "hetzner"
+      groups = [ "controllers" ]
+      volumes = {
+        data = { size = 32 }
+      }
+    }
     #"ns.testing.thengo.net" = { provider = "hetzner", groups = [ "nameservers" ] }
   }
 }
diff --git a/provider_hetzner.tf b/provider_hetzner.tf
index e5d6416..f0cac7a 100644
--- a/provider_hetzner.tf
+++ b/provider_hetzner.tf
@@ -83,12 +83,38 @@ resource "hcloud_server" "vms" {
   for_each = local.hetzner_vm_hosts
 }
 
-#resource "hcloud_server_network" "vms" {
-#  server_id = hcloud_server.vms[each.key].id
-#  network_id = hcloud_network.internal_network.id
-#
-#  for_each = local.hetzner_vm_hosts
-#}
+
+# Volumes
+
+locals {
+  hetzner_volumes = { for item in flatten([
+    for hostname, host in local.hetzner_vm_hosts: [
+      for volumename, volume in lookup(host, "volumes", {}): {
+        hostname = hostname
+        volumename = volumename
+        volume = volume
+        host = host
+      }
+    ]
+  ]): "${item.hostname}--${item.volumename}"  => merge(item.volume,{hostname=item.hostname}) }
+}
+
+resource "hcloud_volume" "volumes" {
+  name = each.key
+
+  location = var.hetzner_default_location
+  size     = each.value.size
+
+  for_each = local.hetzner_volumes
+}
+
+resource "hcloud_volume_attachment" "volume_attachments" {
+  volume_id = hcloud_volume.volumes[each.key].id
+  server_id = hcloud_server.vms[each.value.hostname].id
+  #automount = true
+  for_each = local.hetzner_volumes
+}
+
 
 # Provider Variable
 
@@ -100,6 +126,11 @@ locals {
           external_ip = hcloud_server.vms[hostname].ipv4_address
           ansible_host = hcloud_server.vms[hostname].ipv4_address
           #internal_ip = hcloud_server_network.vms[hostname].ip
+          volumes = {
+            for volumename, volume in lookup(host, "volumes", {}): volumename => merge(volume,{
+              device = hcloud_volume.volumes["${hostname}--${volumename}"].linux_device
+            })
+          }
         }
       if host.provider == "hetzner"
     }