Provider networks can be given static route information that is
populated on all containers. This commit only tests the common cases
around that code - adding a static route as expected, and attempting to
add one with missing information.
Currently, the code fails silently if the cidr or gateway for a static
route are missing. This change adds an exception informing the user that
there is missing static route information. The information is
purposefully general (no specific cases for missing cidr/gateway) in
order to keep the conditionals simple in the code.
Also, the change now checks to make sure that a value is present in
addition to the key, and the variable names are clarified. The values
provided are not check to be valid CIDRs or IP addresses at this time.
A release note and documentation were added given the new errors.
The test cases were split into their own class so as to reduce the
sprawl in the TestConfigChecks class.
Change-Id: I7e36736c1dbd86b7131365b6c27ff2c221814059
894e0c4dc9