Use integer disk size for vSphere NodeSize
@@ -489,7 +489,7 @@ class VSphereNodeDriver(NodeDriver):
path = vm.get('summary.config.vmPathName')
memory = vm.get('summary.config.memorySizeMB')
cpus = vm.get('summary.config.numCpu')
- disk = vm.get('summary.storage.committed', 0) / (1024 ** 3)
+ disk = vm.get('summary.storage.committed', 0) // (1024 ** 3)
id_to_hash = str(memory) + str(cpus) + str(disk)
size_id = hashlib.md5(id_to_hash.encode("utf-8")).hexdigest()
size_name = name + "-size"
