Add a reasonably tolerant .pylintrc and fix most pylint errors and
warnings.
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- based on previously submitted schema and validation, can add a TAP
with host netns, bridge and MTU.
- detect diffs in __tap_has_diff(), used to prune TAPs that must change
- add prune_taps() and create_taps() in the reconciler
- add Dumper() logic to emit YAML config for TAPs
- Move tap_is_lcp() into the VPPApi() class, so it can be reused
Add lots of test cases in intest/*.yaml and example.yaml - full
regression and integration and unit/YAML tests pass on this change.
Special care is taken for bondethernet, where the MAC changes when
the first member is added to it. BondEthernet requires its MAC to
be set in the bondethernets section, disallowing the MAC of individual
members to be set.
Also write a dumper for MACs of all types. Update integration test
cases to stress the MAC changes on loops, bonds, and phys.
This requires a schema change, adding 'mode' and 'load-balance' fields,
a semantic invariant that 'load-balance' can only be set in the case of
LACP and XOR bonds, a mapper from the mode/lb strings, ie.
"round-robin" to their VPP numeric counterparts, a bunch of unit tests.
Then in the reconciler, changing bonds (__bond_has_diff()) will
invalidate any LCP or sub-interfaces built on them, so those will have
to be pruned. create_bondethernet() will now create (or re-create)
the bond with the correct flags.
Unit-tests, YAML tests and the integration test all pass.
Updated config-guide.
Bridges can be created with default settings, with specific settings,
and they can be sync'd at runtime with all of the settings in this
change.
Notably missing are two features:
- unknown unicast flooding into specific interfaces (as opposed to
on/off on the bridge)
- learn-limit, which does not have an API getter, only a setter.
