Reference library

Observability & SRE

Structured logging, metrics, tracing, health checks, and SLO-friendly instrumentation.

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Observability & SRE easy

Mock Health Endpoint Liveness Check in Python

Simulate a liveness endpoint that reports service health with a configurable failure rate and uptime.

health check mock observability
Python 
import time
import random


def liveness_check(service_name: str, failure_rate: float = 0.1) -> dict:
    """Mock health check that returns liveness status with a configurable failure rate."""
    healthy = random.random() > failure_rate
    response = {
        "service": service_name,
        "status": "alive" if he…
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