This commit let's users manage limits via the command line.

bp unified-limits

Change-Id: I7c44bbb60557378b66c5c43a7ba917f40dc2b633

This commit adds support for users to manage registered limits via
the command line.

bp unified-limits

Depends-On: https://review.openstack.org/#/c/574391/
Change-Id: Id8377363f7a3248b45aeeba21d2acc02684a0305

The code was calling an unexisting function which never existed.
The module refers now to the correct `InferenceRuleManager`. It
also allows the compatibility with the future python-keystoneclient
in which the compatibility method will be removed from the
RoleManager.

Change-Id: I08f785dc9e840da2e16915683eecfe49189c44b3

This commit adds the necessary bits to expose system role
assignments to openstackclient via python-keystoneclient.

bp system-scope

Depends-On: Iecbcbf020a15f2bec777334c648d4477f89f3b2c
Change-Id: I261e84700b51e8715eaebdc3f8f8bc46b68542c2

pycodestyle 2.40 and later enforce these rules that were not previously
enforced. Rather than just skipping them, this cleans up the trivial
instances of these violations.

This does also include some other updates that were not triggering errors
in an attempt to keep some of the style consistent.

Change-Id: Id7c0a6b8f1f835e69d844b000e3ed751852ada63
Closes-bug: #1762803

This is a followup to https://review.openstack.org/#/c/541609/ that
changes most outstanding direct uses of sys.stdout to use the encoded
stdout set up by cliff.

Change-Id: I07cfc418385fc787d3b7d3c32d39676cf81bb91f

Implements the commands for endpoint group filter management.
Includes the CRUD management of the endpoint groups and the
association management between them and the projects that are
using this method.

Implements: blueprint keystone-endpoint-filter
Change-Id: I4265f7f8598d028191e90d76781b7b6ece6fef64