# KafLite

**Repository Path**: simiam/kaf-lite

## Basic Information

- **Project Name**: KafLite
- **Description**: 一个轻量级的Kafka运维监控小工具，主机快速部署。
- **Primary Language**: Unknown
- **License**: Apache-2.0
- **Default Branch**: main
- **Homepage**: None
- **GVP Project**: No

## Statistics

- **Stars**: 0
- **Forks**: 0
- **Created**: 2026-02-12
- **Last Updated**: 2026-02-12

## Categories & Tags

**Categories**: Uncategorized

**Tags**: None

## README

# KafLite

A lightweight, single-JAR Kafka operations Web UI built with Spring Boot and Thymeleaf.

## Features

- **Cluster Management**: Support for multiple Kafka clusters (KRaft/ZK).
- **Topic Management**: List, create, delete, and configure topics.
- **Message Browser**: View messages by partition, offset, or time; send test messages.
- **Consumer Groups**: Monitor consumer groups, view lag, and member assignments.
- **Security**: RBAC with embedded user management (Admin/View-only).
- **Lightweight**: Single JAR file, no external dependencies, embedded H2 database.

## Prerequisites

- JDK 8 or higher
- Maven 3.x (for building)

## Build

```bash
mvn clean package
```

The executable JAR will be created at `target/kaflite-1.0.0-SNAPSHOT.jar`.

## Run

```bash
java -jar target/kaflite-1.0.0-SNAPSHOT.jar
```

The application will start at `http://localhost:8080`.

## Configuration

You can override the configuration using an external `application.yml`:

```bash
java -jar kaflite.jar --spring.config.location=file:./application.yml
```

### Example Configuration

```yaml
kaflite:
  clusters:
    - id: dev
      name: Dev Cluster
      bootstrap-servers: localhost:9092
      properties:
        security.protocol: PLAINTEXT
  security:
    enabled: true
    users:
      - username: admin
        password: password
        roles: [ADMIN]
```

## Default Login

- **Username**: admin
- **Password**: password

## Tech Stack

- Spring Boot 2.7.x
- Thymeleaf
- Bootstrap 5
- Kafka Clients 3.x
- H2 Database
- Spring Security