Add hcloud support

This adds support for the Hetzner Cloud platform. They currently support (2022-12-07) the folling images: ``` bastelfreak@bastelfreak-nb ~ $ hcloud image list --type system ID TYPE NAME DESCRIPTION IMAGE SIZE DISK SIZE CREATED DEPRECATED 3 system centos-7 CentOS 7 - 5 GB Mon Jan 15 12:34:45 CET 2018 - 168855 system ubuntu-18.04 Ubuntu 18.04 - 5 GB Wed May 2 13:02:30 CEST 2018 - 5924233 system debian-10 Debian 10 - 5 GB Mon Jul 8 08:35:48 CEST 2019 - 15512617 system ubuntu-20.04 Ubuntu 20.04 - 5 GB Thu Apr 23 19:55:14 CEST 2020 - 45557056 system debian-11 Debian 11 - 5 GB Mon Aug 16 13:12:01 CEST 2021 - 45778012 system centos-stream-8 CentOS Stream 8 - 5 GB Thu Aug 5 07:07:23 CEST 2021 - 45780948 system rocky-8 Rocky Linux 8 - 5 GB Thu Aug 19 08:30:23 CEST 2021 - 59752342 system centos-stream-9 CentOS Stream 9 - 5 GB Thu Jan 27 08:52:03 CET 2022 - 67794396 system ubuntu-22.04 Ubuntu 22.04 - 5 GB Thu Apr 21 15:32:38 CEST 2022 - 69726282 system fedora-36 Fedora 36 - 5 GB Wed May 11 07:50:00 CEST 2022 - 76766499 system rocky-9 Rocky Linux 9 - 5 GB Wed Jul 20 15:55:52 CEST 2022 - bastelfreak@bastelfreak-nb ~ $ ```
voxpupuli · Dec 8, 2022 · a505106 · a505106
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diff --git a/README.md b/README.md
@@ -42,9 +42,10 @@ information.
 
 It currently provides built-in configuration for Puppets' internal
 [vmpooler][vmpooler] hypervisor, [always-be-scheduling][always-be-scheduling]
-hypervisor, static (non-provisioned) nodes, and is designed in a way that makes
-it possible to easily add support for additional hypervisors
-(any hypervisor type supported by [beaker][beaker]).
+hypervisor, Vagrant with Virtualbox and Libvirt backend,
+[Hetzner cloud](https://www.hetzner.com/cloud), static (non-provisioned) nodes,
+and is designed in a way that makes it possible to easily add support for
+additional hypervisors (any hypervisor type supported by [beaker][beaker]).
 
 To see the list of built-in hypervisors you can run:
 ```

diff --git a/lib/beaker-hostgenerator/hypervisor.rb b/lib/beaker-hostgenerator/hypervisor.rb
@@ -45,7 +45,8 @@ def self.builtin_hypervisors()
         'vagrant' => BeakerHostGenerator::Hypervisor::Vagrant,
         'vagrant_libvirt' => BeakerHostGenerator::Hypervisor::Vagrant,
         'docker' => BeakerHostGenerator::Hypervisor::Docker,
-        'abs' => BeakerHostGenerator::Hypervisor::ABS
+        'abs' => BeakerHostGenerator::Hypervisor::ABS,
+        'hcloud' => BeakerHostGenerator::Hypervisor::Hcloud
       }
     end
 
@@ -114,3 +115,4 @@ def base_generate_node(node_info, base_config, bhg_version, *hypervisors)
 require 'beaker-hostgenerator/hypervisor/vagrant'
 require 'beaker-hostgenerator/hypervisor/docker'
 require 'beaker-hostgenerator/hypervisor/abs'
+require 'beaker-hostgenerator/hypervisor/hcloud'
diff --git a/lib/beaker-hostgenerator/hypervisor/hcloud.rb b/lib/beaker-hostgenerator/hypervisor/hcloud.rb
@@ -0,0 +1,28 @@
+require 'beaker-hostgenerator/data'
+require 'beaker-hostgenerator/hypervisor'
+require 'deep_merge/rails_compat'
+
+module BeakerHostGenerator
+  module Hypervisor
+
+    class Hcloud < BeakerHostGenerator::Hypervisor::Interface
+      include BeakerHostGenerator::Data
+
+      def generate_node(node_info, base_config, bhg_version)
+        # split ostype into string and array
+        # ostype is ubuntu2204, debian10, rocky9
+        os, version = node_info['ostype'].split(/(\D+)/).reject!(&:empty?)
+        base_config['image'] = case os
+        when 'ubuntu'
+          puts version
+          "#{os}-#{version[0, 2]}.#{version[2,2]}"
+        when 'centos'
+          [8, 9].include?(os) ? "#{os}-stream-#{version}" : "#{os}-#{version}"
+        else
+          "#{os}-#{version}"
+        end
+        return base_generate_node(node_info, base_config, bhg_version, :hcloud)
+      end
+    end
+  end
+end
diff --git a/test/fixtures/per-host-settings/hcloud-hypervisor.yaml b/test/fixtures/per-host-settings/hcloud-hypervisor.yaml
@@ -0,0 +1,28 @@
+---
+arguments_string: --hypervisor hcloud centos9-64m-debian11-64a-ubuntu2204-64a{hypervisor=hcloud}
+environment_variables: {}
+expected_hash:
+  HOSTS:
+    centos9-64-1:
+      image: centos-9
+      platform: el-9-x86_64
+      hypervisor: hcloud
+      roles:
+      - agent
+      - master
+    debian11-64-1:
+      image: debian-11
+      platform: debian-11-amd64
+      hypervisor: hcloud
+      roles:
+      - agent
+    ubuntu2204-64-1:
+      image: ubuntu-22.04
+      platform: ubuntu-22.04-amd64
+      hypervisor: hcloud
+      roles:
+      - agent
+  CONFIG:
+    nfs_server: none
+    consoleport: 443
+expected_exception: