https://pxb.cd.percona.com/job/percona-xtrabackup-2.4-param/130/

tar/gzip - failed to extract tarball

(This works for some of the .tar.gz tarballs, not all) The easiest fix is probably to do the gunzip separately, so do a "gunzip" then "tar xf"

There is a similar fix pending for the test bootstrap.sh

https://github.com/percona/percona-xtrabackup/pull/1113/files

centos 7 release - galera56

centos 7 debug - galera56

xenial-32 release - xtradb56

xenial-32 debug - xtradb56

stretch release - galera56

stretch debug - galera56

Problems finding libreadline.so.7, libcrypto.so.1.1

xenial release - xtradb56

xenial debug - xtradb56