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K8S安装Nacos
MySQL操作(安装前)
创建用户
CREATE USER 'nacos'@'%' IDENTIFIED BY '密码';
赋予nacos库所有权限, 刷新权限
GRANT ALL PRIVILEGES ON nacos.* TO 'nacos'@'%';
FLUSH PRIVILEGES;
创建库
CREATE DATABASE `nacos` /*!40100 DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci */ /*!80016 DEFAULT ENCRYPTION='N' */;
导入表:下载2.2.3版本sql文件:点这
use nacos;
source nacos-mysql-schema2-2-3.sql
安装Nacos
根据nacos-k8s进行yaml文件编写
根据nacos-docker的环境变量
SPRING_DATASOURCE_PLATFORM 默认:空 若不指定为mysql, 则一直是embedded嵌入式存储模式
nacos.yaml
---
apiVersion: apps/v1
kind: StatefulSet
metadata:
labels:
app: nacos
name: nacos
spec:
# 指定serviceName
serviceName: nacos
# Parallel: 并行启动pod
podManagementPolicy: Parallel
replicas: 1
selector:
matchLabels:
app: nacos
template:
metadata:
labels:
app: nacos
spec:
containers:
- env:
# 镜像的环境变量指定使用mysql
- name: SPRING_DATASOURCE_PLATFORM
value: mysql
# 使用主机,因为k8s ip会变
- name: PREFER_HOST_MODE
value: hostname
# 模式:单实例
- name: MODE
value: standalone
# 暴露metrics数据: /nacos/actuator/prometheus
- name: MANAGEMENT_ENDPOINTS_WEB_EXPOSURE_INCLUDE
value: "*"
# 数据库信息
- name: MYSQL_SERVICE_HOST
valueFrom:
configMapKeyRef:
name: nacos-cm
key: mysql.host
- name: MYSQL_SERVICE_DB_NAME
valueFrom:
configMapKeyRef:
name: nacos-cm
key: mysql.db.name
- name: MYSQL_SERVICE_PORT
valueFrom:
configMapKeyRef:
name: nacos-cm
key: mysql.port
- name: MYSQL_SERVICE_USER
valueFrom:
configMapKeyRef:
name: nacos-cm
key: mysql.user
- name: MYSQL_SERVICE_PASSWORD
valueFrom:
configMapKeyRef:
name: nacos-cm
key: mysql.password
image: registry.cn-hangzhou.aliyuncs.com/kongxin/nacos-server:v2.2.3
imagePullPolicy: IfNotPresent
name: nacos
ports:
- containerPort: 8848
name: server
protocol: TCP
- containerPort: 9848
name: client-rpc
protocol: TCP
- containerPort: 9849
name: raft-rpc
protocol: TCP
# 资源限制
resources:
limits:
cpu: 2
memory: 2Gi
requests:
cpu: 100m
memory: 512Mi
restartPolicy: Always
---
apiVersion: v1
kind: ConfigMap
metadata:
name: nacos-cm
data:
mysql.host: "10.129.130.211"
mysql.db.name: "nacos"
mysql.port: "3306"
mysql.user: "root"
mysql.password: "W5BvtSPrKqa/K)J"
---
apiVersion: v1
kind: Service
metadata:
name: nacos
labels:
app: nacos
spec:
type: NodePort
# Pod 未就绪也发布Endpoint
publishNotReadyAddresses: true
ports:
- port: 8848
name: server
targetPort: 8848
nodePort: 31848
- port: 9848
name: client-rpc
targetPort: 9848
nodePort: 31948
- port: 9849
name: raft-rpc
targetPort: 9849
nodePort: 31949
selector:
app: nacos
kubectl apply -f nacos.yaml
集群内访问地址:
service domain:
nacos.default.svc.cluster.local:8848
pod dns:
nacos-0.nacos.default.svc.cluster.local:8848
集群外访问地址:节点IP:31848/nacos/