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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/