def get_current_host(node):
parameters = node_util.get_parameters(node, magic_consts.CINDER_CONF, {
"host": [("DEFAULT", "host")],
"backend": [("DEFAULT", "volume_backend_name")],
})
# NOTE(akscram): result = "rbd:volumes#DEFAULT"
result = "{host}#{backend}".format(
host=parameters["host"],
backend=parameters["backend"],
)
return result
def get_new_host(node):
parameters = node_util.get_parameters(node, magic_consts.CINDER_CONF, {
"host": [("DEFAULT", "host"), ("RBD-backend", "backend_host")],
"backend": [("RBD-backend", "volume_backend_name")],
})
# NOTE(akscram): result = "rbd:volumes@RBD-backend#RBD-backend"
result = "{host}@{backend}#RBD-backend".format(
host=parameters["host"],
backend=parameters["backend"],
)
return result