For `frostfs-cli` it is ok to use grpc-client without blocking,
as `frostfs-cli` will perform RPC call anyway.
Signed-off-by: Dmitrii Stepanov <d.stepanov@yadro.com>
* Support healthcheck API call
* Support move API call
* Support remove API call
* Support getSubtree API call
* Support getOpLog API call
Signed-off-by: Airat Arifullin a.arifullin@yadro.com