"""
raise NotImplementedError()
- def add_mon(self, node_name):
- # type: (str) -> WriteCompletion
- """
- We operate on a node rather than a particular device: it is
- assumed/expected that proper SSD storage is already available
- and accessible in /var.
-
- :param node_name:
- """
- raise NotImplementedError()
-
- def remove_mon(self, node_name):
- # type: (str) -> WriteCompletion
- """
- :param node_name: Remove MON from that host.
- """
- raise NotImplementedError()
-
def upgrade_start(self, upgrade_spec):
# type: (UpgradeSpec) -> WriteCompletion
raise NotImplementedError()