This change aims to standardize the boot process. It introduces the
concept of a phase, which is comprised of tasks. Phases are ran in serial and
the tasks that make up a phase are ran concurrently.
Signed-off-by: Andrew Rynhard <andrew@andrewrynhard.com>
Remove duplicated code which was setting up grpc client with common
method. Should have no functional changes otherwise.
Add args len check where missing.
Signed-off-by: Andrey Smirnov <smirnov.andrey@gmail.com>
