class BaseCpuNodePuller(MetricPuller):
def __init__(self, title, probe_id, interval):
super(BaseCpuNodePuller, self).__init__(
title=title,
probe_id=probe_id,
interval=interval,
)
self.wrapper = HostMonitoring()
@property
def metric(self):
raise NotImplementedError # HostMetric attribute
@property
def unit(self):
raise NotImplementedError # (unicode string)
def do_pull(self):
"""Retrives the number of CPUs on the host"""
LOG.info("[%s] Pulling measurements...", self.key)
value = self.wrapper.cpu_usage(self.metric)
resource_metadata = {
"host": platform.node(),
"title": self.title
}
measurement = Measurement(
name=self.probe_id,
unit=self.unit,
type_="gauge",
value=value,
resource_id=platform.node(),
resource_metadata=resource_metadata,
)
LOG.info("[%s] Measurements collected.", self.key)
return [measurement]
