通过minio operator在k8s中部署minio tenant集群

2023-11-03 04:10

本文主要是介绍通过minio operator在k8s中部署minio tenant集群,希望对大家解决编程问题提供一定的参考价值,需要的开发者们随着小编来一起学习吧!

1、概述

MinIO是kubernetes原生的高性能对象存储,兼容Amazon的s3 API。

MinIO Operator是一个工具,该工具扩展了k8s的api,可以通过minio operator在公有云和私有云上来部署MinIO Tenants

本文就通过一步一步的操作,来演示如何在一个现存的k8s集群中部署一个minio集群。

2、MinIO集群部署过程

2.1、部署minio operator

本文档中,我们介绍的都是通过minio operator这个工具来部署minio的租户集群,那么首先,我们来安装minio operator

2.1.1、安装kubectl-minio插件

通过以下的命令安装minio operaor和minio插件(kubectl-minio)

wget http://xxxxx/kubernetes/kubectl-plugin/kubectl-minio_linux_amd64.zip
unzip kubectl-minio_linux_amd64.zip "kubectl-minio" -d /usr/local/bin/kubectl minio version

如果出现以下的部分,说明kubectl-minio插件已经安装成功

[root@nccztsjb-node-23 ~]# kubectl minio version
v4.4.16

注意:这里的kubectl-minio插件压缩包已经下载到本地,也可以通过github上去获取需要的版本。

地址:https://github.com/minio/operator/releases

在这里插入图片描述

建议:直接下载zip包,下载二进制包,如果kubectl minio不是具体的版本,而是类似如下的信息:

[rootb@125 ~]# kubectl minio version
DEVELOPMENT.GOGET
[root@b125 ~]# 

可能会导致后续的初始化和安装失败,并且operator打开之后,功能会不完整。

2.1.2、初始化minio operator

kubectl-minio插件完成之后,需要进行初始化的操作,即通过kubectl minio命令安装minio operator服务

a、执行以下的命令进行初始化

kubectl minio init \--image=1xxxx/minio/operator:v4.4.16 \--console-image=xxxx/minio/console:v0.15.13

注意:可以提前将镜像下载到本地的harbor,因为,本地有这样的镜像,在不同的环境部署的时候会节省时间。如果环境可以联网,那么是可以不加–image和–console-image参数的部分

安装过程

[root@nccztsjb-node-23 ~]# kubectl minio init \
>   --image=xxxx/minio/operator:v4.4.16 \
>   --console-image=1xxxx/minio/console:v0.15.13
namespace/minio-operator created
serviceaccount/minio-operator created
clusterrole.rbac.authorization.k8s.io/minio-operator-role created
clusterrolebinding.rbac.authorization.k8s.io/minio-operator-binding created
customresourcedefinition.apiextensions.k8s.io/tenants.minio.min.io created
service/operator created
deployment.apps/minio-operator created
serviceaccount/console-sa created
clusterrole.rbac.authorization.k8s.io/console-sa-role created
clusterrolebinding.rbac.authorization.k8s.io/console-sa-binding created
configmap/console-env created
service/console created
deployment.apps/console created
-----------------To open Operator UI, start a port forward using this command:kubectl minio proxy -n minio-operator -----------------
[root@nccztsjb-node-23 ~]#

b、查看minio operator会被安装在minio-operator命名空间里

[root@nccztsjb-node-23 ~]# kubectl get all -n minio-operator 
NAME                                 READY   STATUS    RESTARTS   AGE
pod/console-7796fcb6c4-q8tf4         1/1     Running   0          64s
pod/minio-operator-5d95d44c5-lffkr   1/1     Running   0          64s
pod/minio-operator-5d95d44c5-q7zdv   1/1     Running   0          64sNAME               TYPE        CLUSTER-IP      EXTERNAL-IP   PORT(S)             AGE
service/console    ClusterIP   10.105.37.171   <none>        9090/TCP,9443/TCP   64s
service/operator   ClusterIP   10.100.4.192    <none>        4222/TCP,4221/TCP   64sNAME                             READY   UP-TO-DATE   AVAILABLE   AGE
deployment.apps/console          1/1     1            1           64s
deployment.apps/minio-operator   2/2     2            2           64sNAME                                       DESIRED   CURRENT   READY   AGE
replicaset.apps/console-7796fcb6c4         1         1         1       64s
replicaset.apps/minio-operator-5d95d44c5   2         2         2       64s
[root@nccztsjb-node-23 ~]# 

当所有的pod都为Running状态的时候,表示服务已经ready了。

c、登录operator控制台

kubectl minio proxy -n minio-operator 

操作日志

[root@nccztsjb-node-23 ~]# kubectl minio proxy -n minio-operator
Starting port forward of the Console UI.To connect open a browser and go to http://localhost:9090Current JWT to login: eyJhbGciOiJxxxxxxForwarding from 0.0.0.0:9090 -> 9090

浏览器打开该地址(执行命令的主机):9090

在这里插入图片描述

输入JWT(上面执行命令的时候显示的 xxxxxxxx)

在这里插入图片描述

这样就登录了这个控制台了,当然我们可以在这里通过界面的操作来创建minio集群,但是本文档我们主要是通过命令行的方式来进行部署,这个后面会讲到。

2.2、部署minio tenant集群

我们在上文中已经部署了minio operator和对应的插件工具kubectl minio,在这部分我们要进行tenant集群的部署。

2.2.1、创建StorageClass

我们会通过storageclass和具体的pv进行绑定,来做为minio本地的持久化存储,当pv创建好之后,创建minio tenant集群的时候,会自动创建pvc然后通过这个storageclass和本地的pv进行绑定

通过以下的命令来创建storageclass

kubectl apply -f - <<EOF
apiVersion: storage.k8s.io/v1
kind: StorageClass
metadata:name: minio-local-storage
provisioner: kubernetes.io/no-provisioner
reclaimPolicy: Retain
volumeBindingMode: WaitForFirstConsumer
EOF

注意:volumeBindingMode: WaitForFirstConsumer必须要设置为WaitForFirstConsumer,这样就会在pvc和pv进行绑定的时候,根据消费的情况进行绑定,而不是随机的绑定。

随机的绑定有可能导致,一个pod关联了不同主机的pv导致启动失败。

[root@nccztsjb-node-23 ~]# kubectl get sc
NAME                  PROVISIONER                    RECLAIMPOLICY   VOLUMEBINDINGMODE      ALLOWVOLUMEEXPANSION   AGE
minio-local-storage   kubernetes.io/no-provisioner   Retain          WaitForFirstConsumer   false                  28h
[root@nccztsjb-node-23 ~]# 
2.2.2、创建pv

对minio来说,使用local类型的pv进行数据的持久化的存储。

在每个节点创建不同的目录,用于local类型的本地存储目录

mkdir -p /data/minio/{pv1,pv2,pv3,pv4}

这里3个节点,一共12个volume,每个节点4个pv

通过以下的命令创建local类型的pv

kubectl apply -f - <<EOF
apiVersion: v1
kind: PersistentVolume
metadata:name: nccztsjb-node-23-01
spec:capacity:storage: 10GivolumeMode: FilesystemaccessModes:- ReadWriteOncepersistentVolumeReclaimPolicy: RetainstorageClassName: minio-local-storagelocal:path: /data/minio/pv1nodeAffinity:required:nodeSelectorTerms:- matchExpressions:- key: kubernetes.io/hostnameoperator: Invalues:- nccztsjb-node-23---
apiVersion: v1
kind: PersistentVolume
metadata:name: nccztsjb-node-23-02
spec:capacity:storage: 10GivolumeMode: FilesystemaccessModes:- ReadWriteOncepersistentVolumeReclaimPolicy: RetainstorageClassName: minio-local-storagelocal:path: /data/minio/pv2nodeAffinity:required:nodeSelectorTerms:- matchExpressions:- key: kubernetes.io/hostnameoperator: Invalues:- nccztsjb-node-23
---
apiVersion: v1
kind: PersistentVolume
metadata:name: nccztsjb-node-23-03
spec:capacity:storage: 10GivolumeMode: FilesystemaccessModes:- ReadWriteOncepersistentVolumeReclaimPolicy: RetainstorageClassName: minio-local-storagelocal:path: /data/minio/pv3nodeAffinity:required:nodeSelectorTerms:- matchExpressions:- key: kubernetes.io/hostnameoperator: Invalues:- nccztsjb-node-23
---
apiVersion: v1
kind: PersistentVolume
metadata:name: nccztsjb-node-23-04
spec:capacity:storage: 10GivolumeMode: FilesystemaccessModes:- ReadWriteOncepersistentVolumeReclaimPolicy: RetainstorageClassName: minio-local-storagelocal:path: /data/minio/pv4nodeAffinity:required:nodeSelectorTerms:- matchExpressions:- key: kubernetes.io/hostnameoperator: Invalues:- nccztsjb-node-23   
---
apiVersion: v1
kind: PersistentVolume
metadata:name: nccztsjb-node-24-01
spec:capacity:storage: 10GivolumeMode: FilesystemaccessModes:- ReadWriteOncepersistentVolumeReclaimPolicy: RetainstorageClassName: minio-local-storagelocal:path: /data/minio/pv1nodeAffinity:required:nodeSelectorTerms:- matchExpressions:- key: kubernetes.io/hostnameoperator: Invalues:- nccztsjb-node-24---
apiVersion: v1
kind: PersistentVolume
metadata:name: nccztsjb-node-24-02
spec:capacity:storage: 10GivolumeMode: FilesystemaccessModes:- ReadWriteOncepersistentVolumeReclaimPolicy: RetainstorageClassName: minio-local-storagelocal:path: /data/minio/pv2nodeAffinity:required:nodeSelectorTerms:- matchExpressions:- key: kubernetes.io/hostnameoperator: Invalues:- nccztsjb-node-24
---
apiVersion: v1
kind: PersistentVolume
metadata:name: nccztsjb-node-24-03
spec:capacity:storage: 10GivolumeMode: FilesystemaccessModes:- ReadWriteOncepersistentVolumeReclaimPolicy: RetainstorageClassName: minio-local-storagelocal:path: /data/minio/pv3nodeAffinity:required:nodeSelectorTerms:- matchExpressions:- key: kubernetes.io/hostnameoperator: Invalues:- nccztsjb-node-24
---
apiVersion: v1
kind: PersistentVolume
metadata:name: nccztsjb-node-24-04
spec:capacity:storage: 10GivolumeMode: FilesystemaccessModes:- ReadWriteOncepersistentVolumeReclaimPolicy: RetainstorageClassName: minio-local-storagelocal:path: /data/minio/pv4nodeAffinity:required:nodeSelectorTerms:- matchExpressions:- key: kubernetes.io/hostnameoperator: Invalues:- nccztsjb-node-24  
---
apiVersion: v1
kind: PersistentVolume
metadata:name: nccztsjb-node-25-01
spec:capacity:storage: 10GivolumeMode: FilesystemaccessModes:- ReadWriteOncepersistentVolumeReclaimPolicy: RetainstorageClassName: minio-local-storagelocal:path: /data/minio/pv1nodeAffinity:required:nodeSelectorTerms:- matchExpressions:- key: kubernetes.io/hostnameoperator: Invalues:- nccztsjb-node-25---
apiVersion: v1
kind: PersistentVolume
metadata:name: nccztsjb-node-25-02
spec:capacity:storage: 10GivolumeMode: FilesystemaccessModes:- ReadWriteOncepersistentVolumeReclaimPolicy: RetainstorageClassName: minio-local-storagelocal:path: /data/minio/pv2nodeAffinity:required:nodeSelectorTerms:- matchExpressions:- key: kubernetes.io/hostnameoperator: Invalues:- nccztsjb-node-25
---
apiVersion: v1
kind: PersistentVolume
metadata:name: nccztsjb-node-25-03
spec:capacity:storage: 10GivolumeMode: FilesystemaccessModes:- ReadWriteOncepersistentVolumeReclaimPolicy: RetainstorageClassName: minio-local-storagelocal:path: /data/minio/pv3nodeAffinity:required:nodeSelectorTerms:- matchExpressions:- key: kubernetes.io/hostnameoperator: Invalues:- nccztsjb-node-25
---
apiVersion: v1
kind: PersistentVolume
metadata:name: nccztsjb-node-25-04
spec:capacity:storage: 10GivolumeMode: FilesystemaccessModes:- ReadWriteOncepersistentVolumeReclaimPolicy: RetainstorageClassName: minio-local-storagelocal:path: /data/minio/pv4nodeAffinity:required:nodeSelectorTerms:- matchExpressions:- key: kubernetes.io/hostnameoperator: Invalues:- nccztsjb-node-25
EOF

每个pv都是使用local类型,节点亲和的方式和具体的节点进行绑定

[root@nccztsjb-node-23 ~]# kubectl get pv
NAME                  CAPACITY   ACCESS MODES   RECLAIM POLICY   STATUS      CLAIM   STORAGECLASS          REASON   AGE
nccztsjb-node-23-01   10Gi       RWO            Retain           Available           minio-local-storage            3s
nccztsjb-node-23-02   10Gi       RWO            Retain           Available           minio-local-storage            3s
nccztsjb-node-23-03   10Gi       RWO            Retain           Available           minio-local-storage            3s
nccztsjb-node-23-04   10Gi       RWO            Retain           Available           minio-local-storage            3s
nccztsjb-node-24-01   10Gi       RWO            Retain           Available           minio-local-storage            3s
nccztsjb-node-24-02   10Gi       RWO            Retain           Available           minio-local-storage            3s
nccztsjb-node-24-03   10Gi       RWO            Retain           Available           minio-local-storage            3s
nccztsjb-node-24-04   10Gi       RWO            Retain           Available           minio-local-storage            3s
nccztsjb-node-25-01   10Gi       RWO            Retain           Available           minio-local-storage            3s
nccztsjb-node-25-02   10Gi       RWO            Retain           Available           minio-local-storage            3s
nccztsjb-node-25-03   10Gi       RWO            Retain           Available           minio-local-storage            3s
nccztsjb-node-25-04   10Gi       RWO            Retain           Available           minio-local-storage            3s
[root@nccztsjb-node-23 ~]# 

这样,我们就创建好了,这12个pv.

注意、注意、注意:storageClassName: minio-local-storage,必须使用第一个步骤中的storageclass,否则在创建集群的时候,pv和pvc的绑定就会有问题!

2.2.3、创建命名空间

需要将minio租户放在一个特定的命名空间建中

kubectl create ns minio-tenant-1
2.2.4、创建minio tenant 集群

本地化存储已经具备,下面就来创建minio租户集群

kubectl minio tenant create minio-tenant-1  \--servers 3 \--volumes 12 \--capacity 120Gi \--storage-class  minio-local-storage \--namespace minio-tenant-1 \--image xxxxxx/minio/minio:RELEASE.2022-04-16T04-26-02Z

这里我们的集群有3个节点,–servers 3,12个卷,每个pv 10g,就是120Gi的容器(capacity),注意,这里的storageclass这要指定minio-local-storage,另外,如果环境可以联网,也不需要指定–image操作

操作过程

[root@nccztsjb-node-23 ~]# kubectl minio tenant create minio-tenant-1  \
>   --servers 3 \
>   --volumes 12 \
>   --capacity 120Gi \
>   --storage-class  minio-local-storage \
>   --namespace minio-tenant-1 \
>   --image xxxx/minio/minio:RELEASE.2022-04-16T04-26-02ZTenant 'minio-tenant-1' created in 'minio-tenant-1' NamespaceUsername: admin Password: xxxxxxx-02a3-4366-a2a4-5b74cb26a185 Note: Copy the credentials to a secure location. MinIO will not display these again.+-------------+------------------------+----------------+--------------+--------------+
| APPLICATION | SERVICE NAME           | NAMESPACE      | SERVICE TYPE | SERVICE PORT |
+-------------+------------------------+----------------+--------------+--------------+
| MinIO       | minio                  | minio-tenant-1 | ClusterIP    | 443          |
| Console     | minio-tenant-1-console | minio-tenant-1 | ClusterIP    | 9443         |
+-------------+------------------------+----------------+--------------+--------------+[root@nccztsjb-node-23 ~]#

这里面会给一个minio的管理用户密码,需要妥善保存。

查看pod的状态

[root@nccztsjb-node-23 ~]# kubectl get all -n minio-tenant-1 
NAME                        READY   STATUS    RESTARTS      AGE
pod/minio-tenant-1-ss-0-0   1/1     Running   0             43s
pod/minio-tenant-1-ss-0-1   1/1     Running   1 (35s ago)   43s
pod/minio-tenant-1-ss-0-2   1/1     Running   0             42sNAME                             TYPE        CLUSTER-IP     EXTERNAL-IP   PORT(S)    AGE
service/minio                    ClusterIP   10.104.251.7   <none>        443/TCP    43s
service/minio-tenant-1-console   ClusterIP   10.102.87.98   <none>        9443/TCP   43s
service/minio-tenant-1-hl        ClusterIP   None           <none>        9000/TCP   43sNAME                                   READY   AGE
statefulset.apps/minio-tenant-1-ss-0   3/3     43s
[root@nccztsjb-node-23 ~]# 

pod都为Running的状态。

并且查看operator中的集群状态信息

在这里插入图片描述

当为health的时候,说明集群已经初始化了,没有问题。

在这里插入图片描述

OK,到这里,就完成了通过minio operator来安装minio集群的过程。

通过minio operator可以做很多的对集群的管理的操作。

3、kubectl minio常见操作

3.1、查看当前的tenant

[root@nccztsjb-node-23 ~]# kubectl minio tenant listTenant 'minio-tenant-1', Namespace 'minio-tenant-1', Total capacity 120 GiBCurrent status: Initialized MinIO version: 172.20.58.152/minio/minio:RELEASE.2022-04-16T04-26-02Z [root@nccztsjb-node-23 ~]#

3.2、删除operator

kubectl minio delete

3.3、删除tenant

kubectl minio tenant delete minio-tenant-1 --namespace minio-tenant-1

3.4、删除pvc、pv

kubectl delete pvc --all -n minio-tenant-1 
kubectl delete pv --all -n minio-tenant-1 

3.5、删除命名空间

kubectl delete ns minio-tenant-1

4、问题汇总

在部署的过程中,启动tenant集群无法启动,始终报错如下:

API: SYSTEM()
Time: 07:34:57 UTC 04/24/2022
Error: Detected unexpected disk ordering refusing to use the disk - poolID: 1st, found disk mounted at (set=1st, disk=3rd) expected mount at (set=1st, disk=9th): https://minio-tenant-1-pool-0-2.minio-tenant-1-hl.minio-tenant-1.svc.cluster.local:9000/export2(45e46618-72a1-41a4-99f5-91deec0b7208) (*errors.errorString)1: cmd/erasure-sets.go:451:cmd.newErasureSets.func1.1()API: SYSTEM()
Time: 07:34:57 UTC 04/24/2022
Error: Detected unexpected disk ordering refusing to use the disk - poolID: 1st, found disk mounted at (set=1st, disk=1st) expected mount at (set=1st, disk=7th): /export2(583c2c4a-05a5-4090-9957-89e3c1f3e622) (*errors.errorString)1: cmd/erasure-sets.go:451:cmd.newErasureSets.func1.1()API: SYSTEM()
Time: 07:34:57 UTC 04/24/2022
Error: Detected unexpected disk ordering refusing to use the disk - poolID: 1st, found disk mounted at (set=1st, disk=6th) expected mount at (set=1st, disk=3rd): https://minio-tenant-1-pool-0-2.minio-tenant-1-hl.minio-tenant-1.svc.cluster.local:9000/export0(ed1401e4-6ed9-48de-897f-baa0935a003a) (*errors.errorString)1: cmd/erasure-sets.go:451:cmd.newErasureSets.func1.1()

找了好久没有找到答案,后来想了下,这个是实验的环境,pv和pvc反复的绑定过很多次了,minio tenant是个有状态的集群,怀疑有关系,在每个节点的目录中,也看到minio相关的系统数据

[root@nccztsjb-node-23 data]# cd minio/
[root@nccztsjb-node-23 minio]# ls
pv1  pv2  pv3  pv4
[root@nccztsjb-node-23 minio]# cd pv1/
[root@nccztsjb-node-23 pv1]# ls
[root@nccztsjb-node-23 pv1]# ls -al
total 0
drwxrwsrwx 3 root      1000  24 Apr 24 10:52 .
drwxrwxrwx 6 root      root  50 Apr 22 17:00 ..
drwxrwsrwx 9 adminuser 1000 124 Apr 25 10:36 .minio.sys
[root@nccztsjb-node-23 pv1]# cat .minio.sys/
cat: .minio.sys/: Is a directory
[root@nccztsjb-node-23 pv1]# ls
[root@nccztsjb-node-23 pv1]# cd .minio.sys/
[root@nccztsjb-node-23 .minio.sys]# ls
buckets  config  format.json  ilm  multipart  pool.bin  tmp  tmp-old
[root@nccztsjb-node-23 .minio.sys]# cd ..
[root@nccztsjb-node-23 pv1]# ls
[root@nccztsjb-node-23 pv1]# pwd
/data/minio/pv1
[root@nccztsjb-node-23 pv1]# 

在每个节点将/data/minio目录删除,重新创建。

解决了该问题。

所以,建议,实验环境,每次的部署都要进行环境的清理!避免出现一些其他的异常情况。


本文转自:https://www.cnblogs.com/chuanzhang053/p/16190774.html

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