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Configuring Time Zone Synchronization

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Язык статьи: Английский

When creating a workload, you can enable time zone synchronization, so that the container can use the same time zone as the node.

Enabling Time Zone Synchronization in One Click on the Console

Log in to the CCE console.
Click the cluster name to go to the cluster console, choose Workloads in the navigation pane, and click the Create Workload in the upper right corner.
In the Basic Info area of the Create Workload page, enable Time Zone Synchronization so that the same time zone will be used for both the container and node.
Complete other settings and click Create Workload.

Manually Mounting a Time Zone Configuration File on the Console

Log in to the CCE console.
Click the cluster name to go to the cluster console, choose Workloads in the navigation pane, and click the Create Workload in the upper right corner.
Click Data Storage in the Container Information area under Container Settings and choose Add Volume > hostPath.
Configure the following parameters:
- hostPath: /etc/localtime
- Mount Path: /etc/localtime
- Permission: Read-only
Complete other settings and click Create Workload.

Manually Mounting a Time Zone Configuration File Using YAML

To use time zone synchronization, you need to mount /etc/localtime on the node to /etc/localtime in the container. In this way, the node and container use the same time zone configuration file.

Use kubectl to access the cluster. For details, see Accessing a Cluster Using kubectl.

Create a file named nginx-deployment.yaml. The name is only an example. You can rename the file as needed.

vi nginx-deployment.yaml

Example YAML:

kind: Deployment
apiVersion: apps/v1
metadata:
  name: test
  namespace: default
spec:
  replicas: 2
  selector:
    matchLabels:
      app: test
  template:
    metadata:
      labels:
        app: test
    spec:
      volumes:
        - name: date-config  # Custom volume name.
          hostPath:   # Mount the time zone configuration file of the node in hostPath mode.
            path: /etc/localtime  # Path of the time zone configuration file on the node.
      containers:
        - name: container-0
          image: 'nginx:alpine'
          volumeMounts:
            - name: date-config  # Mount the volume to the container. The volume name must be the same as that you defined.
              readOnly: true # Mount the volume as read-only.
              mountPath: /etc/localtime # The path in the container where the node's time zone configuration file is mounted.
          imagePullPolicy: IfNotPresent
      imagePullSecrets:
        - name: default-secret

Press Esc and enter :wq to save the file and exit.

Create the workload.

kubectl create -f nginx-deployment.yaml

Verifying that the Container and Node Are in the Same Time Zone

Log in to the node and obtain the time zone.
```
date -R
```
Information similar to the following is displayed:
```
Sat, 12 Apr 2025 16:58:47 +0800
```
Check whether the time zone of the container is the same as that of the node.
Obtain the pod name.
```
kubectl get pod
```
Access the container. In the command, <pod_name> specifies the pod name obtained in the previous step.
```
kubectl exec -it <pod_name> -- /bin/bash
```
Obtain the time zone of the container.
```
date -R
```
Information similar to the following is displayed, indicating that the time zone of the container is the same as that of the node:
```
Sat, 12 Apr 2025 16:59:23 +0800
```

Parent topic: Configuring a Workload

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