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from prometheus_client.core import CounterMetricFamily, GaugeMetricFamily
class TimestampMixin(object):
"""Add timestamps to *MetricFamily
The goal is to be a generic drop-in replacement for *MetricFamily.
That means that we can be called with the exact same signature as the original class.
We don't care about any other argument.
The sole assumption is that timestamp is not an argument expected by *MetricFamily.
"""
def __init__(self, *args, **kwargs):
try:
self._timestamp = kwargs.pop('timestamp')
except KeyError:
self._timestamp = None
super(TimestampMixin, self).__init__(*args, **kwargs)
def add_metric(self, *args, **kwargs):
if 'timestamp' not in kwargs:
kwargs['timestamp'] = self._timestamp
super(TimestampMixin, self).add_metric(*args, **kwargs)
class TimestampGaugeMetricFamily(TimestampMixin, GaugeMetricFamily):
pass
class TimestampCounterMetricFamily(TimestampMixin, CounterMetricFamily):
class C():
def f(self, truc=None):
print('x' + truc)
def wrapper(cls, truc=None):
new_cls = cls
new_cls.f = cls.f()
vladvasiliu /
kibana-prometheus-exporter-py
