Overview

This document describes how to create, update, roll back, and delete applications in the TKE console.

Note

• Application management applies only to clusters with Kubernetes v1.8 or later.

Directions

Creating an application

1. Log in to the TKE Console and click Applications in the left sidebar.
2. At the top of the Applications page, select the cluster and region where you wish to create the application and click Create.
3. On the Create Application page, set the basic information about the application according to the following parameters, as shown in the following figure.
   
   The main parameters are described as follows:
   • Application Name: enter a custom application name.
   • Source: select Marketplace, TCR Private Repository, or Third-party Source. For details, see the following table.

     Source	Configuration
     Marketplace	Filter charts by cluster type or application scenario. Select the required application package and chart version. You can also edit the parameters.
     TCR Private Repository	TCR instance name: select a TCR Enterprise instance as needed. Namespace: select a namespace of the specified TCR instance as needed. After the namespace is specified, charts under the namespace will be displayed on the application list page. Chart version and parameters: select the applicable version. You can also edit the parameters.
     Third-party Source	Chart address: official and self-built Helm repositories are supported. Note that the value of this parameter must start with http and end with .tgz. In this example, the value is http://139.199.162.50/test/nginx-0.1.0.tgz. Type: **Public** and **Private** are available. Select one of them as needed. Parameters: edit the parameters as needed.

4. Click Done.

Updating an application

1. Go to the TKE Console and click Application in the left sidebar to go to the Application page.
2. In the application list, locate the application to update and click Update Application on the right.
3. In the displayed Update Application window, configure the key information as needed and click Done.

Rolling back an application

1. Go to the TKE Console and click Application in the left sidebar to go to the Application page.
2. In the application list, click the application to update to go to the application details page.
3. On the application details page, click the Version History tab, locate the required version, and click Roll Back on the right, as shown in the following figure.
   
4. In the displayed Rollback Application window, click OK, as shown in the following figure.
   

Deleting an application

1. Go to the TKE Console and click Application in the left sidebar to go to the Application page.
2. In the applications list, locate the application to delete and select Delete on the right.
3. In the displayed Delete Application window, click OK.