Add a major upgrade test - bionic to jammy

tests/vagrant/majorupgrade/Vagrantfile

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+load '../funcs.rb'
+
+# major upgrade Ubuntu 18.04 (bionic) -> Ubuntu 22.04 (jammy)
+
+Vagrant.configure("2") do |config|
+
+  config.vm.synced_folder "../../..", "/mailinabox", id: "mailinabox", automount: false
+  config.vm.network "public_network", bridge: "#$default_network_interface"
+
+  
+  config.vm.define "major-upgrade-oldvm" do |m1|
+      use_preloaded_box m1, "ubuntu/bionic64", ".."
+      m1.vm.provision :shell, :inline => <<-SH
+# setup vanilla system, populated with some data
+cd /mailinabox
+export PRIMARY_HOSTNAME=majorupgrade.local
+export FEATURE_MUNIN=false
+source tests/system-setup/setup-defaults.sh
+tests/system-setup/vanilla.sh \
+   --checkout-repo="$MIABLDAP_GIT" \
+   --checkout-treeish="$FINAL_RELEASE_TAG_BIONIC64" \
+   --checkout-targetdir="$HOME/miabldap-bionic" \
+   --populate=basic \
+   --populate=totpuser \
+   --capture-state=/tmp/state/oldvm \
+   || exit 1
+SH
+    end
+
+    config.vm.define "major-upgrade-newvm" do |m2|
+      use_preloaded_box m2, "ubuntu/jammy64", ".."
+      m2.vm.provision :shell, :inline => <<-SH
+cd /mailinabox
+export PRIMARY_HOSTNAME=majorupgrade.local
+export FEATURE_MUNIN=false
+tests/system-setup/from-backup.sh \
+   "#{ENV['storage_user']}" \
+   "#{ENV['duplicity_files']}" \
+   "#{ENV['secret_key']}" \
+   "#{ENV['restore_to']}" \
+   --capture-state=/tmp/state/newvm \
+   || exit 1
+SH
+    end
+
+end

tests/vagrant/majorupgrade/majorupgrade.sh

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+#!/bin/bash
+
+# run from this script's directory
+cd $(dirname "$0")
+
+vagrant destroy -f
+
+artifact_dir_local="$(dirname "$0")/../../out/majorupgrade"
+artifact_dir_vm="/mailinabox/tests/out/majorupgrade"
+oldvm="major-upgrade-oldvm"
+newvm="major-upgrade-newvm"
+
+# bring up oldvm, install, populate, and backup
+# installed source code is in $HOME/miabldap-bionic (see Vagrantfile). $HOME is /root
+vagrant up $oldvm || exit 1
+vagrant ssh $oldvm -- "sudo -H bash -c 'cd \$HOME/miabldap-bionic; management/backup.py' && echo 'backup successful'" || exit 2
+
+# copy artifacts from oldvm to host
+rm -rf "$artifact_dir_local"
+mkdir -p "$artifact_dir_local"
+vagrant ssh $oldvm -- "cd \"$artifact_dir_vm\" || exit 1; sudo -H cp -R /tmp/state/oldvm state || exit 2; sudo -H cp -R /home/user-data/backup backup || exit 3"  || exit $?
+
+# destroy oldvm - bring up newvm
+vagrant destroy $oldvm -f
+
+export storage_user="user-data"
+export duplicity_files="$artifact_dir_vm/backup/encrypted"
+export secret_key="$artifact_dir_vm/backup/secret_key.txt"
+export restore_to="/home/user-data"
+
+vagrant up $newvm || exit 1
+
+# compare states
+vagrant ssh $newvm -- "cd /mailinabox; sudo -H bash -c 'source tests/lib/all.sh; installed_state_compare $artifact_dir_vm/state /tmp/state/newvm'" || exit 2
+
+# run tests
+vagrant ssh $newvm -- "cd /mailinabox; sudo -H tests/runner.sh upgrade-basic upgrade-totpuser default" || exit 3
+
+echo 'Success'