Cloud + Python

import datetime
import json
from pathlib import Path


class CloudDataHelper:
    """Simple helper for reading/writing JSON files in a cloud-style folder."""

    def __init__(self, base_dir: str = "cloud_storage"):
        self.base_dir = Path(base_dir)
        self.base_dir.mkdir(exist_ok=True)

    def save_json(se…

How to Build a Budget Alert Threshold with Mock Notifications in Python

This code calculates budget usage percentage and triggers a mock alert notification when the usage exceeds a defined threshold.

budget alert threshold

budget = 500.0
spent = 620.0
alert_threshold = 0.8

def mock_notify(percent_used):
    if percent_used >= alert_threshold:
        return f"ALERT: Budget usage at {percent_used * 100:.1f}% — over {alert_threshold * 100:.0f}% threshold!"
    return f"OK: Budget usage at {percent_used * 100:.1f}% — under threshold."

pe…

13 0 Open

How to Build a Multi-Cloud Config Loader with Provider Switching in Python

Load cloud provider configurations (AWS, Azure, GCP) from JSON files using a provider dispatch pattern in Python.

cloud config json

import json
from pathlib import Path
from dataclasses import dataclass
from typing import Dict, Any


@dataclass
class CloudConfig:
    provider: str
    region: str
    settings: Dict[str, Any]


class ConfigLoader:
    def __init__(self, config_dir: str = "configs"):
        self.config_dir = Path(config_dir)
      …

12 0 Open

How to Create a Mock STS AssumeRole Credentials Dict in Python

Build a realistic AWS STS AssumeRole response dict with temporary credentials, expiry time, and assumed role ARN for local testing.

aws sts mocking

import json
from datetime import datetime, timedelta, timezone


def mock_sts_credentials(role_arn, session_name, duration=3600):
    now = datetime.now(timezone.utc)
    expiration = now + timedelta(seconds=duration)

    credentials = {
        "Credentials": {
            "AccessKeyId": "ASIAEXAMPLEACCESSKEY",
    …

14 0 Open

How to Enforce Tag Policies on AWS Resources in Python

Build a reusable Python class that checks AWS resources against a required-tag policy and reports compliance with missing tags.

aws tagging compliance

import json
from dataclasses import dataclass, field
from typing import Dict, List


@dataclass
class Resource:
    arn: str
    tags: Dict[str, str] = field(default_factory=dict)


class TagPolicyEnforcer:
    def __init__(self, required_tags: List[str]):
        self.required_tags = set(required_tags)

    def enfor…

How to Mock CloudFront Invalidation Paths in Python

Build a sorted, deduplicated list of CloudFront invalidation paths from a set of file paths, adding implicit index.html entries.

cloudfront aws cli

import argparse

def build_invalidation_paths(files, include_index=True):
    """
    Create CloudFront invalidation paths from a list of files.
    Converts file names to root-relative paths and optionally adds /index.html.
    """
    paths = []
    for f in files:
        f = f.strip()
        if not f:
           …

Mock ECS Task Run Stop Status Dict in Python

Build a mock ECS task status dictionary with RUNNING/STOPPED states using the standard library.

aws ecs mocking

from datetime import datetime, timezone


def mock_ecs_task_status(task_id: str, state: str = "RUNNING") -> dict:
    """Return a mock ECS task status dictionary."""
    return {
        "taskArn": f"arn:aws:ecs:us-east-1:123456789012:task/cluster/{task_id}",
        "taskDefinition": "arn:aws:ecs:us-east-1:1234567890…