Shulou(Shulou.com)06/01 Report--

In this issue, the editor will bring you about how to use Helm. The article is rich in content and analyzes and narrates it from a professional point of view. I hope you can get something after reading this article.

After the Helm installation is successful, execute helm search to view the currently installable chart.

The list is long, and only part of it is intercepted here. You can't help but ask, where did all these chart come from?

As mentioned earlier, Helm can manage chart in the same way as apt and yum management packages. Packages for apt and yum are stored in repositories, just as Helm has repositories.

All information, including DESCRIPTION, is displayed in the results list as long as it matches the keyword.

Installing chart is also easy, and you can install MySQL by executing the following command.

Helm install stable/mysql

If you see the following error, it is usually due to insufficient permissions on the Tiller server.

The output is divided into three parts:

Description of this deployment of ① chart:

NAME is the name of release, because we don't specify it with the-n parameter, Helm randomly generates one, here is fun-zorse.

NAMESPACE is the namespace deployed by release. The default is default, or it can be specified through-- namespace.

STATUS is DEPLOYED, which means that chart has been deployed to the cluster.

② 's current release contains resources: Service, Deployment, Secret, and PersistentVolumeClaim, all named fun-zorse-mysql and named in the format ReleasName-ChartName.

The ③ NOTES section shows how to use release. Such as how to access Service, how to get the database password, and how to connect to the database and so on.

With kubectl get, you can view the individual objects that make up release:

Helm is used much like apt and yum, and it is very convenient to use Helm to manage Kubernetes applications.

The above is the editor for you to share how to use Helm, if you happen to have similar doubts, you might as well refer to the above analysis to understand. If you want to know more about it, you are welcome to follow the industry information channel.

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