distro/tests: add Ubuntu 20.04

.gitlab-ci.yml

@@ -634,4 +634,11 @@ obs:ubuntu1910:x86_64:
     OBS_REPO: knot-resolver-latest
     DISTROTEST_NAME: ubuntu1910
     DISTROTEST_REPO: xUbuntu_19.10
+
+obs:ubuntu2004:x86_64:
+  <<: *distrotest
+  variables:
+    OBS_REPO: knot-resolver-latest
+    DISTROTEST_NAME: ubuntu2004
+    DISTROTEST_REPO: xUbuntu_20.04
 # }}}

distro/tests/ubuntu2004/Vagrantfile

+# SPDX-License-Identifier: GPL-3.0-or-later
+# -*- mode: ruby -*-
+# vi: set ft=ruby :
+#
+
+Vagrant.configure(2) do |config|
+
+    # TODO switch to generic/ubuntu2004 once available (has libvirt box as well)
+    config.vm.box = "ubuntu/focal64"
+    config.vm.synced_folder ".", "/vagrant", disabled: true
+
+    config.vm.define "ubuntu2004_knot-resolver"  do |machine|
+        machine.vm.provision "ansible" do |ansible|
+            ansible.playbook = "../knot-resolver-pkgtest.yaml"
+            ansible.extra_vars = {
+                ansible_python_interpreter: "/usr/bin/python3"
+            }
+        end
+    end
+
+    config.vm.provider :libvirt do |libvirt|
+      libvirt.cpus = 1
+      libvirt.memory = 1024
+    end
+
+    config.vm.provider :virtualbox do |vbox|
+      vbox.cpus = 1
+      vbox.memory = 1024
+    end
+
+end

distro/tests/ubuntu2004/ansible.cfg

+../.ansible.cfg
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