Building-API-and-Monitoring-Logs/README.md

🍎 Fruit Store API

A simple RESTful API built with Flask that manages fruits in a store.
The project also includes logging, a log monitoring script, and automated testing script with clear pass/fail output.

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📂 Project Structure

fruit-api/
│── fruit_api.py        # Main Flask API
│── requirements.txt    # Dependencies
│── Dockerfile          # Docker support
│── log_monitor.sh      # Log monitoring script
│── test_api.sh         # Automated testing script
│── test_results.log    # API tests logs
│── fruit_api.log       # API logs
│── README.md           # Documentation
│── .gitignore          # Ignore venv/logs

📌 Features

• CRUD operations on fruits (GET, POST, PUT, DELETE)
• Search fruits by name
• Filter fruits by category
• Health check endpoint
• Logging of all requests & responses to fruit_api.log
• Bash script for monitoring logs (log_monitor.sh) with error alerts (4xx/5xx)
• Bash script for automated API testing (test_api.sh) with ✅ / ❌ results
• Swagger/OpenAPI documentation at /docs

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⚙️ Setup Instructions

1. Clone the Repository

git clone https://github.com/YOUR-USERNAME/fruit-api.git
cd fruit-api

2. Create Virtual Environment & Install Dependencies

python3 -m venv venv
source venv/bin/activate   # Linux/Mac
venv\Scripts\activate      # Windows

pip install -r requirements.txt

3. Run the API

python fruit_api.py

or

python3 fruit_api.py

API will start at:
👉 http://localhost:5000

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🚀 API Endpoints

Base URL

http://localhost:5000

Endpoints

Method	Endpoint	Description
GET	/fruits	Get all fruits
GET	/fruits/<id>	Get fruit by ID
POST	/fruits	Add a new fruit
PUT	/fruits/<id>	Update an existing fruit
DELETE	/fruits/<id>	Delete a fruit
GET	/fruits/category/<category>	Get fruits by category
GET	/fruits/search?name=<name>	Search fruits by name
GET	/health	Health check

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📑 Example Usage (with curl)

• Get all fruits

curl http://localhost:5000/fruits

• Add a fruit

curl -X POST http://localhost:5000/fruits   -H "Content-Type: application/json"   -d '{"name":"Mango","color":"Yellow","price":2.5,"quantity":50,"category":"Tropical"}'

• Update a fruit

curl -X PUT http://localhost:5000/fruits/1   -H "Content-Type: application/json"   -d '{"name":"Green Apple","price":1.8}'

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📝 Logging

• All API requests and responses are saved in:

fruit_api.log

Example log:

2025-09-29 18:05:22 - IP:127.0.0.1 - METHOD:GET - ENDPOINT:/fruits - STATUS:200

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🔎 Monitoring (log_monitor.sh)

The log_monitor.sh script:

• Monitors fruit_api.log every 2 hours
• Detects errors (4XX, 5XX) and unusual keywords (failed, timeout)
• Captures server metrics (IP, CPU, RAM, Disk)
• Sends an alert JSON to Ghaymah endpoint

Run it in background:

bash log_monitor.sh &

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🤖 API Testing (test_api.sh)

The test_api.sh script:

• Runs automated GET, POST, PUT, DELETE requests
• Prints ✅ if the status is correct (200/201), ❌ otherwise
• Logs results in test_results.log

Run tests:

bash test_api.sh

Example output:

🚀 Running API tests at Tue 30 Sep 2025 10:54:01 PM EEST
🔹 Testing /health ... ✅
🔹 Testing GET /fruits ... ✅
🔹 Testing POST /fruits ... ✅
🔹 Testing PUT /fruits/1 ... ✅
🔹 Testing DELETE /fruits/1 ... ✅
✅ All tests passed!

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📘 Swagger Documentation

After starting the API, open:
👉 http://localhost:5000/docs

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🐳 Docker Support

Build the image

docker build -t fruit-api .

Run container

docker run -p 5000:5000 fruit-api

🎥 Project Record

Watch the Demo