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Observability & SRE

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

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Observability & SRE medium

How to Implement an Error Budget Policy in Python

This code implements a mock error budget policy that decides whether to freeze deployments based on a simulated error rate and monthly freeze limits.

error-budget sre deploy-freeze
Python 
from datetime import datetime, timedelta

class ErrorBudgetPolicy:
    FREEZE_WINDOW_HOURS = 24
    MAX_FREEZES_PER_MONTH = 3

    def __init__(self, budget_percentage=99.9):
        self.budget_percentage = budget_percentage
        self.freeze_count = 0
        self.last_freeze_start = None
        self.freeze_enabl…
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