Shulou(Shulou.com)06/02 Report--

Using job in Kubernetes, we can easily perform some time-consuming operations.

Create a new job.ymal file:

A Kubernetes job is defined, named pi, type job, container name pi, image perl, and the per command executed is print bpi (2000):

The complete contents of this ymal file:

ApiVersion: batch/v1

Kind: Job

Metadata:

Name: pi

Spec:

Template:

Metadata:

Name: pi

Spec:

Containers:

Name: pi

Image: perl

Command: ["perl", "- Mbignum=bpi", "- wle", "print bpi (2000)"]

RestartPolicy: Never

Import the yaml file using the command kubectl create-f to create a new job:

Later, you can see the new job in Kubernetes's dashboard:

The pod status of job is Waiting ContainerCreating:

Later, its status changed from Running to Terminated:Completed, which took a total of 14 minutes.

In the pod event log, you can see that most of the time is spent downloading the perl image:

Click on dashboard's logs button to see the 2000-bit pi calculation:

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