k8s集群中集群方式安装nacos

1、前提条件

• 一个k8s集群，其中有三个master 节点，这三个节点的标签名称为etcd
  三个master节点的ip 分别为：192.165.187.170 、192.165.187.171、192.165.187.172
• 一个mysql 数据库， 数据库的ip 为：192.165.187.180 用户名：root 密码：123456

2、准备nacos 数据库

在mysql 数据库中创建一个nacos名称的数据库，然后执行下面的建表语句

SET NAMES utf8mb4;
SET FOREIGN_KEY_CHECKS = 0;

-- ----------------------------
-- Table structure for config_info
-- ----------------------------
DROP TABLE IF EXISTS `config_info`;
CREATE TABLE `config_info`  (
  `id` bigint(0) NOT NULL AUTO_INCREMENT COMMENT 'id',
  `data_id` varchar(255) CHARACTER SET utf8 COLLATE utf8_bin NOT NULL COMMENT 'data_id',
  `group_id` varchar(255) CHARACTER SET utf8 COLLATE utf8_bin NULL DEFAULT NULL,
  `content` longtext CHARACTER SET utf8 COLLATE utf8_bin NOT NULL COMMENT 'content',
  `md5` varchar(32) CHARACTER SET utf8 COLLATE utf8_bin NULL DEFAULT NULL COMMENT 'md5',
  `gmt_create` datetime(0) NOT NULL DEFAULT CURRENT_TIMESTAMP(0) COMMENT '创建时间',
  `gmt_modified` datetime(0) NOT NULL DEFAULT CURRENT_TIMESTAMP(0) COMMENT '修改时间',
  `src_user` text CHARACTER SET utf8 COLLATE utf8_bin NULL COMMENT 'source user',
  `src_ip` varchar(50) CHARACTER SET utf8 COLLATE utf8_bin NULL DEFAULT NULL COMMENT 'source ip',
  `app_name` varchar(128) CHARACTER SET utf8 COLLATE utf8_bin NULL DEFAULT NULL,
  `tenant_id` varchar(128) CHARACTER SET utf8 COLLATE utf8_bin NULL DEFAULT '' COMMENT '租户字段',
  `c_desc` varchar(256) CHARACTER SET utf8 COLLATE utf8_bin NULL DEFAULT NULL,
  `c_use` varchar(64) CHARACTER SET utf8 COLLATE utf8_bin NULL DEFAULT NULL,
  `effect` varchar(64) CHARACTER SET utf8 COLLATE utf8_bin NULL DEFAULT NULL,
  `type` varchar(64) CHARACTER SET utf8 COLLATE utf8_bin NULL DEFAULT NULL,
  `c_schema` text CHARACTER SET utf8 COLLATE utf8_bin NULL,
  `encrypted_data_key` text CHARACTER SET utf8 COLLATE utf8_bin NOT NULL COMMENT '秘钥',
  PRIMARY KEY (`id`) USING BTREE,
  UNIQUE INDEX `uk_configinfo_datagrouptenant`(`data_id`, `group_id`, `tenant_id`) USING BTREE
) ENGINE = InnoDB AUTO_INCREMENT = 9 CHARACTER SET = utf8 COLLATE = utf8_bin COMMENT = 'config_info' ROW_FORMAT = Dynamic;

-- ----------------------------
-- Table structure for config_info_aggr
-- ----------------------------
DROP TABLE IF EXISTS `config_info_aggr`;
CREATE TABLE `config_info_aggr`  (
  `id` bigint(0) NOT NULL AUTO_INCREMENT COMMENT 'id',
  `data_id` varchar(255) CHARACTER SET utf8 COLLATE utf8_bin NOT NULL COMMENT 'data_id',
  `group_id` varchar(255) CHARACTER SET utf8 COLLATE utf8_bin NOT NULL COMMENT 'group_id',
  `datum_id` varchar(255) CHARACTER SET utf8 COLLATE utf8_bin NOT NULL COMMENT 'datum_id',
  `content` longtext CHARACTER SET utf8 COLLATE utf8_bin NOT NULL COMMENT '内容',
  `gmt_modified` datetime(0) NOT NULL COMMENT '修改时间',
  `app_name` varchar(128) CHARACTER SET utf8 COLLATE utf8_bin NULL DEFAULT NULL,
  `tenant_id` varchar(128) CHARACTER SET utf8 COLLATE utf8_bin NULL DEFAULT '' COMMENT '租户字段',
  PRIMARY KEY (`id`) USING BTREE,
  UNIQUE INDEX `uk_configinfoaggr_datagrouptenantdatum`(`data_id`, `group_id`, `tenant_id`, `datum_id`) USING BTREE
) ENGINE = InnoDB CHARACTER SET = utf8 COLLATE = utf8_bin COMMENT = '增加租户字段' ROW_FORMAT = Dynamic;

-- ----------------------------
-- Table structure for config_info_beta
-- ----------------------------
DROP TABLE IF EXISTS `config_info_beta`;
CREATE TABLE `config_info_beta`  (
  `id` bigint(0) NOT NULL AUTO_INCREMENT COMMENT 'id',
  `data_id` varchar(255) CHARACTER SET utf8 COLLATE utf8_bin NOT NULL COMMENT 'data_id',
  `group_id` varchar(128) CHARACTER SET utf8 COLLATE utf8_bin NOT NULL COMMENT 'group_id',
  `app_name` varchar(128) CHARACTER SET utf8 COLLATE utf8_bin NULL DEFAULT NULL COMMENT 'app_name',
  `content` longtext CHARACTER SET utf8 COLLATE utf8_bin NOT NULL COMMENT 'content',
  `beta_ips` varchar(1024) CHARACTER SET utf8 COLLATE utf8_bin NULL DEFAULT NULL COMMENT 'betaIps',
  `md5` varchar(32) CHARACTER SET utf8 COLLATE utf8_bin NULL DEFAULT NULL COMMENT 'md5',
  `gmt_create` datetime(0) NOT NULL DEFAULT CURRENT_TIMESTAMP(0) COMMENT '创建时间',
  `gmt_modified` datetime(0) NOT NULL DEFAULT CURRENT_TIMESTAMP(0) COMMENT '修改时间',
  `src_user` text CHARACTER SET utf8 COLLATE utf8_bin NULL COMMENT 'source user',
  `src_ip` varchar(50) CHARACTER SET utf8 COLLATE utf8_bin NULL DEFAULT NULL COMMENT 'source ip',
  `tenant_id` varchar(128) CHARACTER SET utf8 COLLATE utf8_bin NULL DEFAULT '' COMMENT '租户字段',
  `encrypted_data_key` text CHARACTER SET utf8 COLLATE utf8_bin NOT NULL COMMENT '秘钥',
  PRIMARY KEY (`id`) USING BTREE,
  UNIQUE INDEX `uk_configinfobeta_datagrouptenant`(`data_id`, `group_id`, `tenant_id`) USING BTREE
) ENGINE = InnoDB AUTO_INCREMENT = 1 CHARACTER SET = utf8 COLLATE = utf8_bin COMMENT = 'config_info_beta' ROW_FORMAT = Dynamic;

-- ----------------------------
-- Table structure for config_info_tag
-- ----------------------------
DROP TABLE IF EXISTS `config_info_tag`;
CREATE TABLE `config_info_tag`  (
  `id` bigint(0) NOT NULL AUTO_INCREMENT COMMENT 'id',
  `data_id` varchar(255) CHARACTER SET utf8 COLLATE utf8_bin NOT NULL COMMENT 'data_id',
  `group_id` varchar(128) CHARACTER SET utf8 COLLATE utf8_bin NOT NULL COMMENT 'group_id',
  `tenant_id` varchar(128) CHARACTER SET utf8 COLLATE utf8_bin NULL DEFAULT '' COMMENT 'tenant_id',
  `tag_id` varchar(128) CHARACTER SET utf8 COLLATE utf8_bin NOT NULL COMMENT 'tag_id',
  `app_name` varchar(128) CHARACTER SET utf8 COLLATE utf8_bin NULL DEFAULT NULL COMMENT 'app_name',
  `content` longtext CHARACTER SET utf8 COLLATE utf8_bin NOT NULL COMMENT 'content',
  `md5` varchar(32) CHARACTER SET utf8 COLLATE utf8_bin NULL DEFAULT NULL COMMENT 'md5',
  `gmt_create` datetime(0) NOT NULL DEFAULT CURRENT_TIMESTAMP(0) COMMENT '创建时间',
  `gmt_modified` datetime(0) NOT NULL DEFAULT CURRENT_TIMESTAMP(0) COMMENT '修改时间',
  `src_user` text CHARACTER SET utf8 COLLATE utf8_bin NULL COMMENT 'source user',
  `src_ip` varchar(50) CHARACTER SET utf8 COLLATE utf8_bin NULL DEFAULT NULL COMMENT 'source ip',
  PRIMARY KEY (`id`) USING BTREE,
  UNIQUE INDEX `uk_configinfotag_datagrouptenanttag`(`data_id`, `group_id`, `tenant_id`, `tag_id`) USING BTREE
) ENGINE = InnoDB CHARACTER SET = utf8 COLLATE = utf8_bin COMMENT = 'config_info_tag' ROW_FORMAT = Dynamic;

-- ----------------------------
-- Table structure for config_tags_relation
-- ----------------------------
DROP TABLE IF EXISTS `config_tags_relation`;
CREATE TABLE `config_tags_relation`  (
  `id` bigint(0) NOT NULL COMMENT 'id',
  `tag_name` varchar(128) CHARACTER SET utf8 COLLATE utf8_bin NOT NULL COMMENT 'tag_name',
  `tag_type` varchar(64) CHARACTER SET utf8 COLLATE utf8_bin NULL DEFAULT NULL COMMENT 'tag_type',
  `data_id` varchar(255) CHARACTER SET utf8 COLLATE utf8_bin NOT NULL COMMENT 'data_id',
  `group_id` varchar(128) CHARACTER SET utf8 COLLATE utf8_bin NOT NULL COMMENT 'group_id',
  `tenant_id` varchar(128) CHARACTER SET utf8 COLLATE utf8_bin NULL DEFAULT '' COMMENT 'tenant_id',
  `nid` bigint(0) NOT NULL AUTO_INCREMENT,
  PRIMARY KEY (`nid`) USING BTREE,
  UNIQUE INDEX `uk_configtagrelation_configidtag`(`id`, `tag_name`, `tag_type`) USING BTREE,
  INDEX `idx_tenant_id`(`tenant_id`) USING BTREE
) ENGINE = InnoDB CHARACTER SET = utf8 COLLATE = utf8_bin COMMENT = 'config_tag_relation' ROW_FORMAT = Dynamic;

-- ----------------------------
-- Table structure for group_capacity
-- ----------------------------
DROP TABLE IF EXISTS `group_capacity`;
CREATE TABLE `group_capacity`  (
  `id` bigint(0) UNSIGNED NOT NULL AUTO_INCREMENT COMMENT '主键ID',
  `group_id` varchar(128) CHARACTER SET utf8 COLLATE utf8_bin NOT NULL DEFAULT '' COMMENT 'Group ID，空字符表示整个集群',
  `quota` int(0) UNSIGNED NOT NULL DEFAULT 0 COMMENT '配额，0表示使用默认值',
  `usage` int(0) UNSIGNED NOT NULL DEFAULT 0 COMMENT '使用量',
  `max_size` int(0) UNSIGNED NOT NULL DEFAULT 0 COMMENT '单个配置大小上限，单位为字节，0表示使用默认值',
  `max_aggr_count` int(0) UNSIGNED NOT NULL DEFAULT 0 COMMENT '聚合子配置最大个数，，0表示使用默认值',
  `max_aggr_size` int(0) UNSIGNED NOT NULL DEFAULT 0 COMMENT '单个聚合数据的子配置大小上限，单位为字节，0表示使用默认值',
  `max_history_count` int(0) UNSIGNED NOT NULL DEFAULT 0 COMMENT '最大变更历史数量',
  `gmt_create` datetime(0) NOT NULL DEFAULT CURRENT_TIMESTAMP(0) COMMENT '创建时间',
  `gmt_modified` datetime(0) NOT NULL DEFAULT CURRENT_TIMESTAMP(0) COMMENT '修改时间',
  PRIMARY KEY (`id`) USING BTREE,
  UNIQUE INDEX `uk_group_id`(`group_id`) USING BTREE
) ENGINE = InnoDB AUTO_INCREMENT = 1 CHARACTER SET = utf8 COLLATE = utf8_bin COMMENT = '集群、各Group容量信息表' ROW_FORMAT = Dynamic;

-- ----------------------------
-- Table structure for his_config_info
-- ----------------------------
DROP TABLE IF EXISTS `his_config_info`;
CREATE TABLE `his_config_info`  (
  `id` bigint(0) UNSIGNED NOT NULL,
  `nid` bigint(0) UNSIGNED NOT NULL AUTO_INCREMENT,
  `data_id` varchar(255) CHARACTER SET utf8 COLLATE utf8_bin NOT NULL,
  `group_id` varchar(128) CHARACTER SET utf8 COLLATE utf8_bin NOT NULL,
  `app_name` varchar(128) CHARACTER SET utf8 COLLATE utf8_bin NULL DEFAULT NULL COMMENT 'app_name',
  `content` longtext CHARACTER SET utf8 COLLATE utf8_bin NOT NULL,
  `md5` varchar(32) CHARACTER SET utf8 COLLATE utf8_bin NULL DEFAULT NULL,
  `gmt_create` datetime(0) NOT NULL DEFAULT CURRENT_TIMESTAMP(0),
  `gmt_modified` datetime(0) NOT NULL DEFAULT CURRENT_TIMESTAMP(0),
  `src_user` text CHARACTER SET utf8 COLLATE utf8_bin NULL,
  `src_ip` varchar(50) CHARACTER SET utf8 COLLATE utf8_bin NULL DEFAULT NULL,
  `op_type` char(10) CHARACTER SET utf8 COLLATE utf8_bin NULL DEFAULT NULL,
  `tenant_id` varchar(128) CHARACTER SET utf8 COLLATE utf8_bin NULL DEFAULT '' COMMENT '租户字段',
  `encrypted_data_key` text CHARACTER SET utf8 COLLATE utf8_bin NOT NULL COMMENT '秘钥',
  PRIMARY KEY (`nid`) USING BTREE,
  INDEX `idx_gmt_create`(`gmt_create`) USING BTREE,
  INDEX `idx_gmt_modified`(`gmt_modified`) USING BTREE,
  INDEX `idx_did`(`data_id`) USING BTREE
) ENGINE = InnoDB AUTO_INCREMENT = 11 CHARACTER SET = utf8 COLLATE = utf8_bin COMMENT = '多租户改造' ROW_FORMAT = Dynamic;

-- ----------------------------
-- Table structure for permissions
-- ----------------------------
DROP TABLE IF EXISTS `permissions`;
CREATE TABLE `permissions`  (
  `role` varchar(50) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci NOT NULL,
  `resource` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci NOT NULL,
  `action` varchar(8) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci NOT NULL,
  UNIQUE INDEX `uk_role_permission`(`role`, `resource`, `action`) USING BTREE
) ENGINE = InnoDB CHARACTER SET = utf8mb4 COLLATE = utf8mb4_unicode_ci ROW_FORMAT = Dynamic;

-- ----------------------------
-- Table structure for roles
-- ----------------------------
DROP TABLE IF EXISTS `roles`;
CREATE TABLE `roles`  (
  `username` varchar(50) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci NOT NULL,
  `role` varchar(50) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci NOT NULL,
  UNIQUE INDEX `idx_user_role`(`username`, `role`) USING BTREE
) ENGINE = InnoDB CHARACTER SET = utf8mb4 COLLATE = utf8mb4_unicode_ci ROW_FORMAT = Dynamic;

-- ----------------------------
-- Table structure for tenant_capacity
-- ----------------------------
DROP TABLE IF EXISTS `tenant_capacity`;
CREATE TABLE `tenant_capacity`  (
  `id` bigint(0) UNSIGNED NOT NULL AUTO_INCREMENT COMMENT '主键ID',
  `tenant_id` varchar(128) CHARACTER SET utf8 COLLATE utf8_bin NOT NULL DEFAULT '' COMMENT 'Tenant ID',
  `quota` int(0) UNSIGNED NOT NULL DEFAULT 0 COMMENT '配额，0表示使用默认值',
  `usage` int(0) UNSIGNED NOT NULL DEFAULT 0 COMMENT '使用量',
  `max_size` int(0) UNSIGNED NOT NULL DEFAULT 0 COMMENT '单个配置大小上限，单位为字节，0表示使用默认值',
  `max_aggr_count` int(0) UNSIGNED NOT NULL DEFAULT 0 COMMENT '聚合子配置最大个数',
  `max_aggr_size` int(0) UNSIGNED NOT NULL DEFAULT 0 COMMENT '单个聚合数据的子配置大小上限，单位为字节，0表示使用默认值',
  `max_history_count` int(0) UNSIGNED NOT NULL DEFAULT 0 COMMENT '最大变更历史数量',
  `gmt_create` datetime(0) NOT NULL DEFAULT CURRENT_TIMESTAMP(0) COMMENT '创建时间',
  `gmt_modified` datetime(0) NOT NULL DEFAULT CURRENT_TIMESTAMP(0) COMMENT '修改时间',
  PRIMARY KEY (`id`) USING BTREE,
  UNIQUE INDEX `uk_tenant_id`(`tenant_id`) USING BTREE
) ENGINE = InnoDB AUTO_INCREMENT = 1 CHARACTER SET = utf8 COLLATE = utf8_bin COMMENT = '租户容量信息表' ROW_FORMAT = Dynamic;

-- ----------------------------
-- Table structure for tenant_info
-- ----------------------------
DROP TABLE IF EXISTS `tenant_info`;
CREATE TABLE `tenant_info`  (
  `id` bigint(0) NOT NULL AUTO_INCREMENT COMMENT 'id',
  `kp` varchar(128) CHARACTER SET utf8 COLLATE utf8_bin NOT NULL COMMENT 'kp',
  `tenant_id` varchar(128) CHARACTER SET utf8 COLLATE utf8_bin NULL DEFAULT '' COMMENT 'tenant_id',
  `tenant_name` varchar(128) CHARACTER SET utf8 COLLATE utf8_bin NULL DEFAULT '' COMMENT 'tenant_name',
  `tenant_desc` varchar(256) CHARACTER SET utf8 COLLATE utf8_bin NULL DEFAULT NULL COMMENT 'tenant_desc',
  `create_source` varchar(32) CHARACTER SET utf8 COLLATE utf8_bin NULL DEFAULT NULL COMMENT 'create_source',
  `gmt_create` bigint(0) NOT NULL COMMENT '创建时间',
  `gmt_modified` bigint(0) NOT NULL COMMENT '修改时间',
  PRIMARY KEY (`id`) USING BTREE,
  UNIQUE INDEX `uk_tenant_info_kptenantid`(`kp`, `tenant_id`) USING BTREE,
  INDEX `idx_tenant_id`(`tenant_id`) USING BTREE
) ENGINE = InnoDB AUTO_INCREMENT = 4 CHARACTER SET = utf8 COLLATE = utf8_bin COMMENT = 'tenant_info' ROW_FORMAT = Dynamic;

-- ----------------------------
-- Table structure for users
-- ----------------------------
DROP TABLE IF EXISTS `users`;
CREATE TABLE `users`  (
  `username` varchar(50) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci NOT NULL,
  `password` varchar(500) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci NOT NULL,
  `enabled` tinyint(1) NOT NULL,
  PRIMARY KEY (`username`) USING BTREE
) ENGINE = InnoDB CHARACTER SET = utf8mb4 COLLATE = utf8mb4_unicode_ci ROW_FORMAT = Dynamic;

SET FOREIGN_KEY_CHECKS = 1;

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3、 nacos的安装

1、下载镜像

docker pull nacos/nacos-server:v2.2.3
1

2、安装的yaml文件 nacos.yaml 文件如下：

---
apiVersion: apps/v1
kind: StatefulSet
metadata:
  annotations: {}
  labels:
    k8s.kuboard.cn/name: nacos
  name: nacos
  namespace: kube-system
  resourceVersion: '11313486'
spec:
  podManagementPolicy: OrderedReady
  replicas: 3
  revisionHistoryLimit: 10
  selector:
    matchLabels:
      app: nacos
  serviceName: nacos-headless
  template:
    metadata:
      annotations:
        kubectl.kubernetes.io/restartedAt: '2023-06-05T15:01:46+08:00'
        pod.alpha.kubernetes.io/initialized: 'true'
      creationTimestamp: null
      labels:
        app: nacos
    spec:
      affinity:
        podAntiAffinity:
          requiredDuringSchedulingIgnoredDuringExecution:
            - labelSelector:
                matchExpressions:
                  - key: app
                    operator: In
                    values:
                      - nacos
              topologyKey: kubernetes.io/hostname
      containers:
        - env:
            - name: NACOS_REPLICAS
              value: '3'
            - name: MYSQL_SERVICE_HOST
              value: 192.165.187.180
            - name: MYSQL_SERVICE_DB_NAME
              value: NACOS
            - name: MYSQL_SERVICE_PORT
              value: '3306'
            - name: MYSQL_SERVICE_USER
              value: root
            - name: MYSQL_SERVICE_PASSWORD
              value: 123456
            - name: SPRING_DATASOURCE_PLATFORM
              value: mysql
            - name: NACOS_SERVER_PORT
              value: '8848'
            - name: PREFER_HOST_MODE
              value: ip
            - name: MODE
              value: cluster
            - name: NACOS_SERVER_IP
              valueFrom:
                fieldRef:
                  apiVersion: v1
                  fieldPath: status.hostIP
            - name: NACOS_SERVERS
              value: '192.165.187.170:8848 192.165.187.171:8848 192.165.187.172:8848'
          image: 'nacos/nacos-server:v2.2.3'
          imagePullPolicy: Always
          name: nacos
          ports:
            - containerPort: 8848
              hostPort: 8848
              name: client
              protocol: TCP
            - containerPort: 9848
              hostPort: 9848
              name: client-rpc
              protocol: TCP
            - containerPort: 9849
              hostPort: 9849
              name: raft-rpc
              protocol: TCP
            - containerPort: 7848
              hostPort: 7848
              name: old-raft-rpc
              protocol: TCP
          resources:
            requests:
              cpu: 500m
              memory: 2Gi
          terminationMessagePath: /dev/termination-log
          terminationMessagePolicy: File
      dnsPolicy: ClusterFirst
      nodeSelector:
        k8s.kuboard.cn/role: etcd
      restartPolicy: Always
      schedulerName: default-scheduler
      securityContext: {}
      terminationGracePeriodSeconds: 30
  updateStrategy:
    rollingUpdate:
      partition: 0
    type: RollingUpdate
status:
  availableReplicas: 3
  collisionCount: 0
  currentReplicas: 3
  currentRevision: nacos-65755f874
  observedGeneration: 41
  readyReplicas: 3
  replicas: 3
  updateRevision: nacos-65755f874
  updatedReplicas: 3

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安装的名称空间在 kube-system
k8s.kuboard.cn/role: etcd 这个需要注意，这个标签里面一定要包含你要安装的三个节点

• 安装方式一、kubectl安装：
  把需要的yaml 修改好后，把nacos.yaml 放到在master1上，进入所在的目录中执行：

kubectl apply -f nacos.yaml
1

即可安装成功

• 方式二、 在kuboard中安装
  1、进入kuboard 的kube-system名称空间，点击导入工作负载。
  

根据提示一步一步操作即可。