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Automation & scripting

CLI tools, scheduled jobs, filesystem tasks, and glue scripts that save time.

4 matches

How to Simulate a Traceroute in Python

This Python script simulates a network traceroute by generating mock hop IPs, random delays, and a destination reach condition, useful for testing network scripts.

traceroute simulation network

Python

import random
import time

def simulate_traceroute(destination, max_hops=30):
    """Simulate a traceroute to a destination with mock hop delays."""
    print(f"Traceroute to {destination} ({max_hops} hops max):")
    for hop in range(1, max_hops + 1):
        # Mock IP address for the hop
        mock_ip = f"10.0.{ra…

16 0 Open

Automation & scripting easy

Mock a Helm Upgrade Install Command in Python

Use unittest mock to simulate a Helm upgrade --install call for testing automation scripts without a real cluster.

mock helm testing

Python

from unittest.mock import MagicMock, patch


class HelmClient:
    def upgrade_install(self, release, chart, namespace="default"):
        # Simulates the helm upgrade --install command
        return f"Release {release} upgraded/installed in {namespace} using chart {chart}"


@patch("helm_client.HelmClient.upgrade_in…

13 0 Open

Automation & scripting easy

Mock systemctl Wrapper in Python for Service Testing

A Python class-based mock of systemctl that simulates start, stop, restart, and status operations for a service, useful for testing automation scripts.

systemctl mock automation

Python

import subprocess
import sys

class ServiceManager:
    def __init__(self, service_name):
        self.service_name = service_name
        self.status = "inactive"
    
    def start(self):
        self.status = "active"
        print(f"Starting {self.service_name}... OK")
    
    def stop(self):
        self.status …

14 0 Open

Automation & scripting medium

Mount ISO Loop Device Mock Script in Python

Simulate ISO mounting with a loop device using a mock class — useful for testing scripts that depend on mount/unmount without actual system privileges.

iso loop-device mock

Python

import os
import tempfile
from dataclasses import dataclass
from pathlib import Path

@dataclass
class LoopDevice:
    path: str
    iso_path: str
    mounted: bool = False

    def mount(self, mount_point: str):
        if self.mounted:
            raise RuntimeError(f"Loop device {self.path} already mounted")
      …

14 0 Open

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