This starts the work of having a `NodeProvider` which is responsible for
providing node details.
It splits the responsibilities of node management off to a new
controller.
The primary change here is to add the framework pieces for node
management and move the VK CLI to use this new controller.
It also adds support for node leases where available. This can be
enabled via the command line (disabled by default), but may fall back if
we find that leaess aren't supported on the cluster.
* Define and use an interface for logging.
This allows alternative implementations to use whatever logging package
they want.
Currently the interface just mimicks what logrus already implements,
with minor modifications to not rely on logrus itself. I think the
interface is pretty solid in terms of logging implementations being able
to do what they need to.
* Make tracing interface to coalesce logging/tracing
Allows us to share data between the tracer and the logger so we can
simplify log/trace handling wher we generally want data to go both
places.
* deps: bump to Kubernetes 1.13.1
Signed-off-by: Paulo Pires <pjpires@gmail.com>
* version: new VK version
Signed-off-by: Paulo Pires <pjpires@gmail.com>
