* Add ListResolvableAliases to the user service
There are a few non common ways this method uses our ACL
and grant system. A user is able to list resolvable
aliases for another user if they are granted permission
to do so. That means we had to load the grants for
the user being listed for and not the requester when
determining if an alias is able to resolve to a destination
for which the requested user has permission.
Similarly, the grant hash used for the list pagination
is required to be that of the user being listed and not
the requester.
This increases the default rate limits to:
- 1,500 reqs / 30 seconds for list actions in total
- 1,500 reqs / 30 seconds for list actions per IP address
- 150 reqs / 30 seconds for list actions per auth token
And for all other actions:
- 30,000 reqs / 30 seconds for list actions in total
- 30,000 reqs / 30 seconds for list actions per IP address
- 3,000 reqs / 30 seconds for list actions per auth token
This seems to be a reasonable default for a small to medium size cluster
based on some scale testing.
(cherry picked from commit 237c8b6084f42655edaba49055e511163fdf1c53)
A sys event will be emitted when the controller is constructed, and if
the rate limits are changed via a SIGHUP. The event contains the details
of the rate limits for each combination of resource and action. This
event can be used by operators to confirm the limits are set as they
would expect based on the controller config.