Add firewall flush rules to zuul pre-update gates.
Wrap gate scripts by run-gates.sh script in order to preserve the scripts execution contexts.
Also migrated chart building process to Helm v3.x.
Fixed 020-test-divingbell.sh script.
Change-Id: I6295d55338a6a75ac43b54c092704670d61854d9
In Makefile there is no target which actually installs
Helm binary.
Change-Id: Idca3ed4d0c6d8734b7b6bcfc9d8a1ba9e50693ee
Signed-off-by: Dimitrios Markou <dm844v@att.com>
Note that the tests are a simple build of the helm charts for now.
Left a TODO in place to get the existing test scripts updated to a
current environment.
Change-Id: Icc95ef88c86ab92069e2ed2470a140ef959f7040