fix: allow image based deployment without user-data

Author: m-bucher

app/services/foreman_opentofu/opentofu_executer.rb

@@ -9,6 +9,7 @@ def initialize(compute_resource, args = {})
       @cr_attrs = args.to_h.with_indifferent_access
       @resource = @cr_attrs['resource']
       @host_name = @cr_attrs['name'] || 'test'
+      @key_pair = @compute_resource.key_pair
     end
 
     def run(mode = '')
@@ -122,6 +123,8 @@ def render_template(mode)
         host_name: @host_name,
         resource: @resource,
         dry_run: dry_run(mode),
+        keygen: (mode == 'keygen'),
+        ssh_key: @key_pair,
         user_data_filename: @user_data_filename,
       }
       scope = Foreman::Renderer.get_scope(source: template, variables: variables)

app/views/templates/provisioning/hetzner_provision_host.erb

@@ -15,7 +15,21 @@ provider "hcloud" {
 <% if @resource %>
 <%= resource_block(@resource) %>
 
+<% elsif @keygen %>
+<%- if @ssh_key.present? %>
+resource "hcloud_ssh_key" "deploy_key" {
+  name       = "<%= @ssh_key.name %>"
+  public_key = "<%= @ssh_key.public_key %>"
+}
+<%- end %>
+
 <% elsif !@dry_run %>
+<%- if @ssh_key.present? %>
+data "hcloud_ssh_key" "deploy_key" {
+  name       = "<%= @ssh_key.name %>"
+}
+<%- end %>
+
 # Create a new server running debian
 resource "hcloud_server" "node1" {
   name        = "<%= @host_name %>"
@@ -24,14 +38,18 @@ resource "hcloud_server" "node1" {
 
   <%= vm_attributes(['name', 'image']) %>
 
-  <%- if @cr_attrs['image_id'].present? %>
-    image = <%= @cr_attrs['image_id'] %>
+<%- if @cr_attrs['image_id'].present? %>
+  image = <%= @cr_attrs['image_id'] %>
   <%- if @user_data_filename.present? %>
-    user_data = "${file("<%= @user_data_filename %>")}"
+  user_data = "${file("<%= @user_data_filename %>")}"
   <%- elsif @cr_attrs['user_data'].present? %>
-    user_data = <%= @cr_attrs['user_data'] %>
-  <%- end %>
+  user_data = <%= @cr_attrs['user_data'] %>
+  <%- elsif @ssh_key.present? %>
+  ssh_keys = [
+    data.hcloud_ssh_key.deploy_key.id
+  ]
   <%- end %>
+<%- end %>
 
   <%= build_nics %>
 

lib/foreman_opentofu/provider_types/hetzner.rb

@@ -3,7 +3,7 @@
 require "#{ForemanOpentofu::Engine.root}/app/services/foreman_opentofu/provider_type"
 
 ForemanOpentofu::ProviderTypeManager.register('hetzner') do
-  @capabilities = [:image, :power_status_only]
+  @capabilities = [:image, :key_pair, :power_status_only]
 
   def provided_attributes
     {
@@ -95,6 +95,16 @@ def build_interfaces_attributes(networks)
         },
         output_path_postfix: 'images',
       } },
+    { name: 'available_ssh_keys', type: 'select',
+      label: 'SSH-Deployment-Keys', options: {
+        data_source: {
+          name: 'hcloud_ssh_keys',
+        },
+        entity: {
+          fingerprint: 'fingerprint',
+        },
+        output_path_postfix: 'ssh_keys',
+      } },
   ]
 
   self.disk_renderer = proc do |_disk, index = 0|