Datadog Agent Linux Entropy Available

linux_entropy.py

from checks import AgentCheck


class LinuxEntropyCheck(AgentCheck):
    def check(self, instance):
        with open('/proc/sys/kernel/random/entropy_avail', 'r') as procfile:
            data = procfile.read().strip()

        self.gauge('system.kernel.entropy_available', int(data))

linux_entropy.yaml

init_config:

instances:
  # No configuration is needed for this check.
  # A single instance needs to be defined with any value.
  - foo: bar