SUSE-SU-2020:3245-1

This update fixes the following issues:

salt:

• Fix disk.blkid to avoid unexpected keyword argument '__pub_user' (bsc#1177867)
• Ensure virt.update stop_on_reboot is updated with its default value
• Do not break package building for systemd OSes
• Drop wrong mock from chroot unit test
• Support systemd versions with dot (bsc#1176294)
• Fix for grains.test_core unit test
• Fix file/directory user and group ownership containing UTF-8 characters (bsc#1176024)
• Several changes to virtualization:
  • Fix virt update when cpu and memory are changed
  • Memory Tuning GSoC
  • Properly fix memory setting regression in virt.update
  • Expose libvirt on_reboot in virt states
• Support transactional systems (MicroOS)
• Zypperpkg module ignores retcode 104 for search() (bsc#1159670)
• Xen disk fixes. No longer generates volumes for Xen disks, but the corresponding file or block disk (bsc#1175987)
• Invalidate file list cache when cache file modified time is in the future (bsc#1176397)
• Prevent import errors when running test_btrfs unit tests
• Properly validate eauth credentials and tokens on SSH calls made by Salt API (bsc#1178319, bsc#1178362, bsc#1178361, CVE-2020-25592, CVE-2020-17490, CVE-2020-16846)
• Avoid regression on 'salt-master': set passphrase for salt-ssh keys to empty string (bsc#1178485)