gtctl

Overview

gtctl is a command-line tool for managing GreptimeDB cluster. gtctl integrates the multiple operations in one binary.

Getting Started

Prerequisites

• Kubernetes 1.18 or higher version is required

You can use kind to create your own Kubernetes cluster:

$ kind create cluster

Usage

• Create GreptimeDB cluster

$ gtctl create cluster -n mydb

• Get GreptimeDB cluster

$ gtctl get cluster -n mydb

• Scale GreptimeDB cluster

``` # Scale datanode to 3 replicas. $ gtctl scale cluster -n mydb -c datanode --replicas 3

# Scale frontend to 5 replicas. $ gtctl scale cluster -n mydb -c frontend --replicas 5 ```

• Delete GreptimeDB cluster

``` # Delete GreptimeDB cluster. $ gtctl delete cluster -n mydb

# Delete GreptimeDB cluster, including etcd cluster. $ gtctl delete cluster -n mydb --tear-down-etcd ```

Development

Just make it:

$ make