resource_tracker.py 文件源码

def __init__(self, host, driver, nodename):
        self.host = host
        self.driver = driver
        self.pci_tracker = None
        self.nodename = nodename
        self.compute_node = None
        self.stats = importutils.import_object(CONF.compute_stats_class)
        self.tracked_instances = {}
        self.tracked_migrations = {}
        monitor_handler = monitors.MonitorHandler(self)
        self.monitors = monitor_handler.monitors
        self.ext_resources_handler = \
            ext_resources.ResourceHandler(CONF.compute_resources)
        self.old_resources = objects.ComputeNode()
        self.scheduler_client = scheduler_client.SchedulerClient()
        self.ram_allocation_ratio = CONF.ram_allocation_ratio
        self.cpu_allocation_ratio = CONF.cpu_allocation_ratio
        self.disk_allocation_ratio = CONF.disk_allocation_ratio