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Alibaba Nacos 学习(五):K8S Nacos搭建,使用nfs

释迦苦僧 人气:1

Alibaba Nacos 学习(一):Nacos介绍与安装

Alibaba Nacos 学习(二):Spring Cloud Nacos Config

Alibaba Nacos 学习(三):Spring Cloud Nacos Discovery - FeignClient,Nacos 服务注册与发现

Alibaba Nacos 学习(四):Nacos Docker

Alibaba Nacos 学习(五):K8S Nacos搭建,使用nfs

 

准备环境

Centos7  192.168.50.21 k8s-master 2G
Centos7  192.168.50.22 k8s-node01 2G
Centos7  192.168.50.23 k8s-node02 2G

K8S集群搭建参考  https://www.cnblogs.com/woxpp/p/11875547.html

 

master安装好Git ,yum install git

master,node01,node02  安装 nfs-utils

yum install nfs-utils

master,node01,node02添加nfs exports配置,为了解决后续的nfs报错异常

https://img.qb5200.com/download-x/data/mysql-slave *(insecure,fsid=0,rw,async,no_root_squash)
https://img.qb5200.com/download-x/data/mysql-master *(insecure,fsid=0,rw,async,no_root_squash)
https://img.qb5200.com/download-x/data/nfs-share *(rw,fsid=0,sync,no_root_squash)
mysql-slave 数据库从库 
mysql-master 数据库主库
nfs-share nocas文件挂在目录

后面的yml中会提到
master,node01,node02创建目录
mkdir https://img.qb5200.com/download-x/data/mysql-slave
mkdir https://img.qb5200.com/download-x/data/mysql-master
mkdir https://img.qb5200.com/download-x/data/nfs-share 

 master 克隆代码

   git clone https://github.com/nacos-group/nacos-k8s.git

克隆完成进入以下目录

 cd /opt/nacos-k8shttps://img.qb5200.com/download-x/deploy/

 

1.nfs安装

kubectl create -f nfs/rbac.yaml 
kubectl create -f nfs/class.yaml 

修改nfshttps://img.qb5200.com/download-x/deployment.yaml IP配置

 

 

 

kubectl create -f nfshttps://img.qb5200.com/download-x/deployment.yaml

查看安装状态

kubectl get pod -l app=nfs-client-provisioner

 

 

 

2.mysql部署

cd /opt/nacos-k8shttps://img.qb5200.com/download-x/deploy/mysql/

修改数据配置文件ip

vi mysql-master-nfs.yaml

 

 

 部署主库

kubectl create -f mysql-master-nfs.yaml 

修改存库ip

vi mysql-slave-nfs.yaml
kubectl create -f mysql-slave-nfs.yaml 

主从部署非常慢 耐心等待,如果报nfs相关的错,重启nfs即可

service nfs restart

 

 

3. 部署nacos

cd /opt/nacos-k8shttps://img.qb5200.com/download-x/deploy/nacos/

 

 

 

 

 

kubectl create -f nacos-pvc-nfs.yaml 

 查看访问端口

kubectl get svc|grep nacos

 

 

 

 

 查看K8S集群状态

 

 Failed to pull image "nacos/nacos-server:latest": rpc error: code = Unknown desc = context canceled

进去对应节点机器 ,拉取镜像后,重新应用即可

kubectl apply -f

 4. 部署问题

部署过程中大部分都是NFS问题

可以参考https://blog.csdn.net/wuxinyicomeon/articlehttps://img.qb5200.com/download-x/details/6292132

mount.nfs: No route to host
Warning FailedMount 100s (x5 over 10m) kubelet, node2 Unable to mount volumes for pod "nfs-client-provisioner-594f778474-whhb5_default(56aef93a-9d31-11e9-a4c4-00163e069f44)": timeout expired waiting for volumes to attach or mount for pod "default"/"nfs-client-provisioner-594f778474-whhb5". list of unmounted volumes=[nfs-client-root]. list of unattached volumes=[nfs-client-root nfs-client-provisioner-token-8dcrx]

修改deployment.yaml中server的IP地址为某个node节点的内网IP地址,图1已标注

 

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