Get ports from configuration if there are some.
[ganeti-local] / testing /
drwxr-xr-x   ..
-rw-r--r-- 242 Makefile.am
-rwxr-xr-x 9384 ganeti.hooks_unittest.py
-rwxr-xr-x 18595 ganeti.qa.py
-rwxr-xr-x 12612 ganeti.utils_unittest.py
-rw-r--r-- 1235 mocks.py
-rw-r--r-- 890 qa-sample.yaml