StatefulSets

Create a StatefulSet

This section describes how to create a StatefulSet using a YAML file.

Procedure

1. Log on to the SOFASTACK console.

2. In the navigation pane on the left, click Container Application Service > Workloads > StatefulSets.

3. On the StatefulSets page, click Create from YAML.

4. Enter the YAML content in the text box and click Submit.

   The following is a sample:

   kind: StatefulSet
   metadata:
     name: stexample
     namespace: yournamespace  # Change this to your current namespace name
   spec:
     replicas: 1
     selector:
     matchLabels:
       k8s-app: stexample
     template:
     metadata:
       labels:
       k8s-app: stexample
     spec:
       containers:
       - name: nginx
       image: reg-cnsh.cloud.alipay.com/library/nginx:latest

After the StatefulSet is created, its status is Running.

Update a StatefulSet

This section describes how to update a StatefulSet by modifying its YAML file.

Prerequisites

The YAML has been created.

Procedure

1. Log on to the SOFASTACK console.

2. In the navigation pane on the left, click Container Application Service > Workloads > StatefulSets.

3. On the StatefulSets page, find the StatefulSet that you want to update and click View/Edit YAML in the Actions column.

4. Modify the configuration in the YAML editor and click Update.

   After the update is complete, the system automatically deploys the StatefulSet based on the new YAML file.

Delete a StatefulSet

This section describes how to delete a StatefulSet.

Prerequisites

The YAML file is created.

Procedure

1. Log on to the SOFASTACK console.

2. In the navigation pane on the left, click Container Application Service > Workloads > StatefulSets.

3. On the StatefulSets page, find the StatefulSet that you want to delete and click Delete in the Actions column. In the dialog box that appears, click OK.