VERSION:
  - 7.x
  - 6.x
OS:
  - ubuntu-1404
  - ubuntu-1604
  - ubuntu-1804
  - debian-8
  - debian-9
  - centos-7
TEST_TYPE:
  - oss
  - oss-upgrade
  - oss-to-xpack-upgrade
  - xpack
  - xpack-upgrade