fix: allow image based deployment without user-data

Author: m-bucher

app/services/foreman_opentofu/opentofu_executer.rb

@@ -103,6 +103,8 @@ def render_template(mode)
         host_name: @host_name,
         resource: @resource,
         dry_run: dry_run(mode),
+        # FIXME: this should come from remote_execution_ssh_keys-hostparam
+        ssh_keys: SmartProxy.with_features(%w[SSH Script])&.pluck(:pubkey)&.compact,
         user_data_filename: @user_data_filename,
       }
       scope = Foreman::Renderer.get_scope(source: template, variables: variables)

app/views/templates/provisioning/hetzner_provision_host.erb

@@ -16,6 +16,20 @@ provider "hcloud" {
 <%= resource_block(@resource) %>
 
 <% elsif !@dry_run %>
+<%
+ssh_key_labels = []
+if @ssh_keys.present?
+  @ssh_keys.each_index do |idx|
+    label = "ssh_key_#{idx}"
+    ssh_key_labels << label
+%>
+resource "hcloud_ssh_key" "<%= label %>" {
+  name       = "<%= label %>"
+  public_key = "<%= @ssh_keys[idx] %>"
+}
+<% end
+end %>
+
 # Create a new server running debian
 resource "hcloud_server" "node1" {
   name        = "<%= @host_name %>"
@@ -28,6 +42,10 @@ resource "hcloud_server" "node1" {
   image = <%= @cr_attrs['image_id'] %>
   <%- if @user_data_filename.present? %>
     user_data = "${file("<%= @user_data_filename %>")}"
+  <%- elsif @ssh_keys.present? %>
+  ssh_keys = [
+    <%= ssh_key_labels.map { |lbl| "hcloud_ssh_key.#{lbl}.id" }.join(",\n") %>
+  ]
   <%- end %>
   <%- end %>