One click deployment of highly available emqx clusters in rainbow

This article describes how to use the cloud native application management platform Rainbond One click installation high availability EMQX colony . This way is suitable for people who don't know much about Kubernetes、 Users of complex technologies such as containerization , Reduced in Kubernetes Deployment in China EMQX Threshold .

One 、 Background information

1.1 Rainbond And EMQX The combination of

Rainbond It is an easy-to-use open source cloud native application management platform . With the aid of it , Users can complete the deployment, operation and maintenance of micro services in the graphical interface . With the help of Kubernetes And the ability of containerization Technology , Self heal the fault 、 The business enabled by automatic operation and maintenance capabilities such as elastic expansion .

Such users no longer have to care about how to deploy EMQX colony , One click installation through open source app store EMQX High availability cluster , This installation method greatly reduces the use of users EMQX The deployment burden of the cluster , The latest version is currently supported 4.4.3.

1.2 About application templates

The application template is for Rainbond Installation package of cloud native application management platform , Users can install the business system into their own system based on it Rainbond In the middle . No matter how complex the business system is , The application template will abstract it into an application , Image of all components in the application 、 The configuration information and the relationship between all components are installed together .

Two 、 Prerequisite

• Deployed Rainbond Cloud native application management platform ： for example Quick experience version , Can be in person PC Run in the environment at the cost of starting a container .
• You can connect to the Internet .

3、 ... and 、 Quick start

3.1 Visit the built-in open source app store

Choose the one on the left Application market TAB , Switch to... In the page Open source app store TAB , Search keywords EMQX You can find it EMQX application .

3.2 A key to install

Click on EMQX On the right side of the install You can enter the installation page , After filling in the simple information , Click on determine You can start the installation , The page automatically jumps to the topology view .

Parameter description ：

Options	explain
Team name	User built workspace , Isolate by namespace
Cluster name	choice EMQX To which one K8s colony
Select application	choice EMQX To which application is deployed , The application contains several related components
Application version	choice EMQX Version of , Currently, the optional version is 4.4.3

Wait a few minutes ,EMQX The cluster will be installed , And run it .

3.3 verification EMQX colony

• adopt Dashboard Verify and view cluster nodes . Access components EMQX_Cluster-4.4.3 Of 18083 The external service domain name of the port , To log in EMQX Dashboard, On the home page Nodes Show that all nodes are in Running state .

  Default account password : admin/public , Can be modified by environment variables EMQX_DASHBOARD__DEFAULT_USERNAMEEMQX_DASHBOARD__DEFAULT_PASSWORD

• View cluster nodes from the command line , Enter the assembly EMQX_Cluster-4.4.3 Of Web terminal , Select any instance , Execute the following command ：

emqx_ctl cluster status