Kubernetes + Yanrong SaaS data service platform, personalized demand support has never been lost

Yan Rong SaaS The platform provides NFS Mounted capacity file system , Can be used in a variety of scenarios , For example, backup 、 Network disk 、 File sharing, etc . Today we will explain in detail how to combine Kubernetes Create mounts on demand to further meet personalized needs .

01 Basic environment preparation

After creating the virtual , For subsequent operations , We need to make the necessary adjustments .

Ban Selinux

modify ssh Login key , take authorized_keys The first part of the verification in the... Is removed , And then to root again ssh Sign in .

modify hostname And restart

02 install Kubernetes

Kubernetes There are many ways to install , There are also many distributions , Common installation methods are adopted in this paper .

First installation Docker And start the , We use CentOS default 1.13 Version can .

In the installation Kubernetes And confirm the work , This article only creates a single node Kubernetes Environmental Science , According to need , You can consider expanding the capacity by yourself .

03 Get ready NFS To configure

Yan Rong SaaS The platform provides NFS Mounting method , But how to apply to Kubernetes Environmental Science , Need to think about . take NFS The directory is mounted on the host , And then use it HostPath To allocate storage volumes , inflexible . We all know Kubernetes In memory PVC The concept of , If it works PVC To automatically pass NFS establish PV The way , Will be much more flexible . Here we directly use the official nfs-client-provisioner To meet these needs .

Install first nfs-utils

Through Yanrong SaaS platform (https://t.hk.uy/atc2) After creating the file system , On the file system mount page, you can see the following .

We need records DNS Name and subsequent /mnt/yrfs/5a-xxx-xxxx-xxxx791b5e Information about , Fill in the corresponding marking position of the following documents .

After creating the corresponding file , We see nfs-client-provisioner Create success .

04 functional verification

Let's first verify whether the function works properly .

In the above steps , We created StorageClass, For example, this StorageClass, We can use PVC To automatically create PV.

Through the above nfs-test-pod.yaml, We created PVC as well as PV, And mounted to test-pod Inside , The file was written successfully .

Before we will nfs After the directory is mounted locally , You can see the written file .

thus , We have completed the operation Kubernetes utilize NFS Provisioner Components in Yanrong SaaS Create on demand subdirectories on platform capacity file systems , And the practice of successfully reading and writing files . Next , Let's explore more application scenarios .