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elastop

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HTOP for Elasticsearch

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# Elastop - Elasticsearch Terminal Dashboard

Elastop is a terminal-based dashboard for monitoring Elasticsearch clusters in real-time. It provides a comprehensive view of cluster health, node status, indices, and various performance metrics in an easy-to-read terminal interface. This tool was designed to look visually similar HTOP.

![](https://raw.githubusercontent.com/acidvegas/elastop/main/.screens/preview.png)

## Features

- Real-time cluster monitoring
- Node status and resource usage
- Index statistics and write rates
- Search and indexing performance metrics
- Memory usage and garbage collection stats
- Network and disk I/O monitoring
- Color-coded health status indicators
- Role-based node classification
- Version compatibility checking

## Installation

```bash
# Clone the repository
git clone https://github.com/acidvegas/elastop.git
cd elastop
go build
```

## Usage

```bash
./elastop [flags]
```

### Command Line Flags
| Flag        | Description                           | Default       |
| ----------- | ------------------------------------- | ------------- |
| `-host`     | Elasticsearch host                    | `localhost`   |
| `-port`     | Elasticsearch port                    | `9200`        |
| `-user`     | Elasticsearch username                | `elastic`     |
| `-password` | Elasticsearch password                | `ES_PASSWORD` |
| `-apikey`   | Elasticsearch API key                 | `ES_API_KEY`  |
| `-cert`     | Path to client certificate file       |               |
| `-key`      | Path to client private key file       |               |
| `-ca`       | Path to CA certificate file           |               |
| `-insecure` | Skip TLS certificate verification     | `false`       |

Note: Only one authentication method (username/password, API key, or certificates) can be used at a time.

### Authentication Examples

```bash
# Using username/password
./elastop -host https://elasticsearch.example.com -user elastic -password secret

# Using API key
./elastop -host https://elasticsearch.example.com -apikey your_api_key

# Using certificate authentication
./elastop -host https://elasticsearch.example.com -cert /path/to/client.crt -key /path/to/client.key -ca /path/to/ca.crt

# Using certificate authentication with insecure SSL (not recommended for production)
./elastop -host https://elasticsearch.example.com -cert /path/to/client.crt -key /path/to/client.key -insecure
```

## Dashboard Layout

### Header Section
- Displays cluster name and health status
- Shows total number of nodes (successful/failed)
- Indicates version compatibility with latest Elasticsearch release

### Nodes Panel
- Lists all nodes with their roles and status
- Shows real-time resource usage:
  - CPU utilization
  - Memory usage
  - Heap usage
  - Disk space
  - Load average
- Displays node version and OS information

### Indices Panel
- Lists all indices with health status
- Shows document counts and storage size
- Displays primary shards and replica configuration
- Real-time ingestion monitoring with:
  - Document count changes
  - Ingestion rates (docs/second)
  - Active write indicators

### Metrics Panel
- Search performance:
  - Query counts and rates
  - Average query latency
- Indexing metrics:
  - Operation counts
  - Indexing rates
  - Average indexing latency
- Memory statistics:
  - System memory usage
  - JVM heap utilization
- GC metrics:
  - Collection counts
  - GC timing statistics
- I/O metrics:
  - Network traffic (TX/RX)
  - Disk operations
  - Open file descriptors

### Role Legend
Shows all possible node roles with their corresponding colors:
- M: Master
- D: Data
- C: Content
- H: Hot
- W: Warm
- K: Cold
- F: Frozen
- I: Ingest
- L: Machine Learning
- R: Remote Cluster Client
- T: Transform
- V: Voting Only
- O: Coordinating Only

## Controls

- Press `q` or `ESC` to quit
- Mouse scrolling supported in all panels
- Auto-refreshes every 5 seconds

---

###### Mirrors: [acid.vegas](https://git.acid.vegas/elastop) • [SuperNETs](https://git.supernets.org/acidvegas/elastop) • [GitHub](https://github.com/acidvegas/elastop) • [GitLab](https://gitlab.com/acidvegas/elastop) • [Codeberg](https://codeberg.org/acidvegas/elastop)

elastop

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