##docker搭建nacos server集群
前段时间因为学习微服务,通过docker搭建了nacos server集群,今天特意总结一下。感兴趣的小伙伴可以了解一下nacos文档和github
目前安装的nacos最新版本1.1.4
因为nacos依赖于mysql,所以咱们要先把mysql安装好,github的例子中的集群模式只有mysql5.7,单机模式才有mysql8。在实际的团队或者企业开发过程中,有可能会是mysql8,所以下面就是简述搭建基于mysql8的nacos server集群。
#####1.首先编写好docker-compose.yaml文件
version: "3" services: mysql: container_name: mysql # 最新的mysql8版本 image: mysql:latest environment: # mysql root用户密码 MYSQL_ROOT_PASSWORD: root command: --default-authentication-plugin=mysql_native_password --character-set-server=utf8mb4 --collation-server=utf8mb4_general_ci --explicit_defaults_for_timestamp=true --lower_case_table_names=1 --max_allowed_packet=128M; volumes: # mysql的数据文件 - ./mysql/data:/var/lib/mysql # mysql配置文件 - ./mysql/config:/etc/mysql/conf.d ports: - "3306:3306" nacos1: hostname: nacos1 container_name: nacos1 image: nacos/nacos-server:latest volumes: # 需要添加mysql8的插件 - ./nacos/plugins/mysql/:/home/nacos/plugins/mysql/ # 把日志文件映射出来 - ./nacos/cluster-logs/nacos1:/home/nacos/logs # 把配置文件映射出来 - ./nacos/init.d/custom.properties:/home/nacos/init.d/custom.properties ports: - "8848:8848" - "9555:9555" env_file: # 集群配置文件 - ./nacos/env/nacos-hostname.env restart: always depends_on: - mysql nacos2: hostname: nacos2 image: nacos/nacos-server:latest container_name: nacos2 volumes: - ./nacos/plugins/mysql/:/home/nacos/plugins/mysql/ - ./nacos/cluster-logs/nacos2:/home/nacos/logs - ./nacos/init.d/custom.properties:/home/nacos/init.d/custom.properties ports: - "8849:8848" env_file: - ./nacos/env/nacos-hostname.env restart: always depends_on: - mysql nacos3: hostname: nacos3 image: nacos/nacos-server:latest container_name: nacos3 volumes: - ./nacos/plugins/mysql/:/home/nacos/plugins/mysql/ - ./nacos/cluster-logs/nacos3:/home/nacos/logs - ./nacos/init.d/custom.properties:/home/nacos/init.d/custom.properties ports: - "8850:8848" env_file: - ./nacos/env/nacos-hostname.env restart: always depends_on: - mysql 复制代码
我们还需要把上述的配置文件补齐
my.cnf
[mysqld] default-time_zone='+8:00' 复制代码
这是mysql8的配置文件,就是标准的mysql配置文件,我就改了一下时区,其他配置大家可以自定义修改。这个mysql实例不仅仅可以给nacos使用,还可以给开发环境其他应用使用。这也是为什么跳出官方给的example,自定义安装mysql的原因之一。
#####2.先把mysql实例运行起来(千万不要直接docker-compose up -d把所有的实例都运行起来)
docker-compose up -d mysql 复制代码
先把需要事先配置的都先配置好,先创建对应的mysql用户: 在mysql实例中先创建好一个“nacos”的用户名,密码是“nacos”,并且把相关的数据库创建好,并允许该用户可以访问 ps:这个操作需要进入mysql实例里面,可通过
docker exec -it {mysql实例ID} /bin/bash 复制代码
进入mysql实例后,通过
# 登录mysql控制台,密码为docker-compose.yaml里面配置的root mysql -uroot -p 复制代码
use mysql; //创建用户 CREATE USER 'nacos'@'%' identified by 'nacos'; //赋予权限 grant all privileges on nacos_devtest.* to 'nacos'@'%' with GRANT OPTION; flush privileges; 复制代码
再创建一个名叫“nacos_devtest”的数据库nacos_devtest数据库中所有的数据表
DROP TABLE IF EXISTS `config_info`; CREATE TABLE `config_info` ( `id` bigint 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 DEFAULT NULL, `content` longtext CHARACTER SET utf8 COLLATE utf8_bin NOT NULL COMMENT 'content', `md5` varchar(32) CHARACTER SET utf8 COLLATE utf8_bin DEFAULT NULL COMMENT 'md5', `gmt_create` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间', `gmt_modified` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '修改时间', `src_user` text CHARACTER SET utf8 COLLATE utf8_bin COMMENT 'source user', `src_ip` varchar(20) CHARACTER SET utf8 COLLATE utf8_bin DEFAULT NULL COMMENT 'source ip', `app_name` varchar(128) CHARACTER SET utf8 COLLATE utf8_bin DEFAULT NULL, `tenant_id` varchar(128) CHARACTER SET utf8 COLLATE utf8_bin DEFAULT '' COMMENT '租户字段', `c_desc` varchar(256) CHARACTER SET utf8 COLLATE utf8_bin DEFAULT NULL, `c_use` varchar(64) CHARACTER SET utf8 COLLATE utf8_bin DEFAULT NULL, `effect` varchar(64) CHARACTER SET utf8 COLLATE utf8_bin DEFAULT NULL, `type` varchar(64) CHARACTER SET utf8 COLLATE utf8_bin DEFAULT NULL, `c_schema` text CHARACTER SET utf8 COLLATE utf8_bin, PRIMARY KEY (`id`), UNIQUE KEY `uk_configinfo_datagrouptenant` (`data_id`,`group_id`,`tenant_id`) ) ENGINE=InnoDB AUTO_INCREMENT=9 DEFAULT CHARSET=utf8 COLLATE=utf8_bin COMMENT='config_info'; -- ---------------------------- -- Table structure for config_info_aggr -- ---------------------------- DROP TABLE IF EXISTS `config_info_aggr`; CREATE TABLE `config_info_aggr` ( `id` bigint 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 NOT NULL COMMENT '修改时间', `app_name` varchar(128) CHARACTER SET utf8 COLLATE utf8_bin DEFAULT NULL, `tenant_id` varchar(128) CHARACTER SET utf8 COLLATE utf8_bin DEFAULT '' COMMENT '租户字段', PRIMARY KEY (`id`), UNIQUE KEY `uk_configinfoaggr_datagrouptenantdatum` (`data_id`,`group_id`,`tenant_id`,`datum_id`) ) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_bin COMMENT='增加租户字段'; -- ---------------------------- -- Table structure for config_info_beta -- ---------------------------- DROP TABLE IF EXISTS `config_info_beta`; CREATE TABLE `config_info_beta` ( `id` bigint 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 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 DEFAULT NULL COMMENT 'betaIps', `md5` varchar(32) CHARACTER SET utf8 COLLATE utf8_bin DEFAULT NULL COMMENT 'md5', `gmt_create` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间', `gmt_modified` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '修改时间', `src_user` text CHARACTER SET utf8 COLLATE utf8_bin COMMENT 'source user', `src_ip` varchar(20) CHARACTER SET utf8 COLLATE utf8_bin DEFAULT NULL COMMENT 'source ip', `tenant_id` varchar(128) CHARACTER SET utf8 COLLATE utf8_bin DEFAULT '' COMMENT '租户字段', PRIMARY KEY (`id`), UNIQUE KEY `uk_configinfobeta_datagrouptenant` (`data_id`,`group_id`,`tenant_id`) ) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_bin COMMENT='config_info_beta'; -- ---------------------------- -- Table structure for config_info_tag -- ---------------------------- DROP TABLE IF EXISTS `config_info_tag`; CREATE TABLE `config_info_tag` ( `id` bigint 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 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 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 DEFAULT NULL COMMENT 'md5', `gmt_create` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间', `gmt_modified` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '修改时间', `src_user` text CHARACTER SET utf8 COLLATE utf8_bin COMMENT 'source user', `src_ip` varchar(20) CHARACTER SET utf8 COLLATE utf8_bin DEFAULT NULL COMMENT 'source ip', PRIMARY KEY (`id`), UNIQUE KEY `uk_configinfotag_datagrouptenanttag` (`data_id`,`group_id`,`tenant_id`,`tag_id`) ) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_bin COMMENT='config_info_tag'; -- ---------------------------- -- Table structure for config_tags_relation -- ---------------------------- DROP TABLE IF EXISTS `config_tags_relation`; CREATE TABLE `config_tags_relation` ( `id` bigint 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 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 DEFAULT '' COMMENT 'tenant_id', `nid` bigint NOT NULL AUTO_INCREMENT, PRIMARY KEY (`nid`), UNIQUE KEY `uk_configtagrelation_configidtag` (`id`,`tag_name`,`tag_type`), KEY `idx_tenant_id` (`tenant_id`) ) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_bin COMMENT='config_tag_relation'; -- ---------------------------- -- Table structure for group_capacity -- ---------------------------- DROP TABLE IF EXISTS `group_capacity`; CREATE TABLE `group_capacity` ( `id` bigint 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 unsigned NOT NULL DEFAULT '0' COMMENT '配额,0表示使用默认值', `usage` int unsigned NOT NULL DEFAULT '0' COMMENT '使用量', `max_size` int 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 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 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 unsigned NOT NULL DEFAULT '0' COMMENT '最大变更历史数量', `gmt_create` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间', `gmt_modified` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '修改时间', PRIMARY KEY (`id`), UNIQUE KEY `uk_group_id` (`group_id`) ) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_bin COMMENT='集群、各Group容量信息表'; -- ---------------------------- -- Table structure for his_config_info -- ---------------------------- DROP TABLE IF EXISTS `his_config_info`; CREATE TABLE `his_config_info` ( `id` bigint unsigned NOT NULL, `nid` bigint 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 DEFAULT NULL COMMENT 'app_name', `content` longtext CHARACTER SET utf8 COLLATE utf8_bin NOT NULL, `md5` varchar(32) CHARACTER SET utf8 COLLATE utf8_bin DEFAULT NULL, `gmt_create` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP, `gmt_modified` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP, `src_user` text CHARACTER SET utf8 COLLATE utf8_bin, `src_ip` varchar(20) CHARACTER SET utf8 COLLATE utf8_bin DEFAULT NULL, `op_type` char(10) CHARACTER SET utf8 COLLATE utf8_bin DEFAULT NULL, `tenant_id` varchar(128) CHARACTER SET utf8 COLLATE utf8_bin DEFAULT '' COMMENT '租户字段', PRIMARY KEY (`nid`), KEY `idx_gmt_create` (`gmt_create`), KEY `idx_gmt_modified` (`gmt_modified`), KEY `idx_did` (`data_id`) ) ENGINE=InnoDB AUTO_INCREMENT=9 DEFAULT CHARSET=utf8 COLLATE=utf8_bin COMMENT='多租户改造'; -- ---------------------------- -- Table structure for permissions -- ---------------------------- DROP TABLE IF EXISTS `permissions`; CREATE TABLE `permissions` ( `role` varchar(50) CHARACTER SET utf8 COLLATE utf8_unicode_ci NOT NULL, `permission` varchar(512) CHARACTER SET utf8 COLLATE utf8_unicode_ci NOT NULL, `gmt_create` bigint DEFAULT NULL, `gmt_modified` bigint DEFAULT NULL, UNIQUE KEY `idx_role_resource` (`role`,`permission`) USING BTREE ) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci; -- ---------------------------- -- Table structure for roles -- ---------------------------- DROP TABLE IF EXISTS `roles`; CREATE TABLE `roles` ( `username` varchar(50) CHARACTER SET utf8 COLLATE utf8_unicode_ci NOT NULL, `role` varchar(50) CHARACTER SET utf8 COLLATE utf8_unicode_ci NOT NULL, UNIQUE KEY `idx_user_role` (`username`,`role`) USING BTREE ) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci; -- ---------------------------- -- Table structure for tenant_capacity -- ---------------------------- DROP TABLE IF EXISTS `tenant_capacity`; CREATE TABLE `tenant_capacity` ( `id` bigint 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 unsigned NOT NULL DEFAULT '0' COMMENT '配额,0表示使用默认值', `usage` int unsigned NOT NULL DEFAULT '0' COMMENT '使用量', `max_size` int 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 unsigned NOT NULL DEFAULT '0' COMMENT '聚合子配置最大个数', `max_aggr_size` int 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 unsigned NOT NULL DEFAULT '0' COMMENT '最大变更历史数量', `gmt_create` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间', `gmt_modified` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '修改时间', PRIMARY KEY (`id`), UNIQUE KEY `uk_tenant_id` (`tenant_id`) ) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_bin COMMENT='租户容量信息表'; -- ---------------------------- -- Table structure for tenant_info -- ---------------------------- DROP TABLE IF EXISTS `tenant_info`; CREATE TABLE `tenant_info` ( `id` bigint 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 DEFAULT '' COMMENT 'tenant_id', `tenant_name` varchar(128) CHARACTER SET utf8 COLLATE utf8_bin DEFAULT '' COMMENT 'tenant_name', `tenant_desc` varchar(256) CHARACTER SET utf8 COLLATE utf8_bin DEFAULT NULL COMMENT 'tenant_desc', `create_source` varchar(32) CHARACTER SET utf8 COLLATE utf8_bin DEFAULT NULL COMMENT 'create_source', `gmt_create` bigint NOT NULL COMMENT '创建时间', `gmt_modified` bigint NOT NULL COMMENT '修改时间', PRIMARY KEY (`id`), UNIQUE KEY `uk_tenant_info_kptenantid` (`kp`,`tenant_id`), KEY `idx_tenant_id` (`tenant_id`) ) ENGINE=InnoDB AUTO_INCREMENT=2 DEFAULT CHARSET=utf8 COLLATE=utf8_bin COMMENT='tenant_info'; -- ---------------------------- -- Table structure for users -- ---------------------------- DROP TABLE IF EXISTS `users`; CREATE TABLE `users` ( `username` varchar(50) CHARACTER SET utf8 COLLATE utf8_unicode_ci NOT NULL, `password` varchar(500) CHARACTER SET utf8 COLLATE utf8_unicode_ci NOT NULL, `enabled` tinyint(1) NOT NULL, PRIMARY KEY (`username`) ) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci; BEGIN; INSERT INTO `users` VALUES ('nacos', '$2a$10$EuWPZHzz32dJN7jexM34MOeYirDdFAZm2kuWj7VEOJhhZkDrxfvUu', 1); COMMIT; 复制代码
#####3.配置nacos
插件mysql-connector-java-8.0.19.jar
大家点击上面链接,把jar包下载好,并且放进相对路径下的./nacos/plugins/mysql/文件夹。该文件夹需要自己创建好。
#spring.security.enabled=false #management.security=false #security.basic.enabled=false #nacos.security.ignore.urls=/** #management.metrics.export.elastic.host=http://localhost:9200 # metrics for prometheus management.endpoints.web.exposure.include=* # metrics for elastic search #management.metrics.export.elastic.enabled=false #management.metrics.export.elastic.host=http://localhost:9200 # metrics for influx #management.metrics.export.influx.enabled=false #management.metrics.export.influx.db=springboot #management.metrics.export.influx.uri=http://localhost:8086 #management.metrics.export.influx.auto-create-db=true #management.metrics.export.influx.consistency=one #management.metrics.export.influx.compressed=true 复制代码
这个配置文件我就直接原封不动地复制过来了
nacos-hostname.env
#nacos dev env PREFER_HOST_MODE=hostname # docker实例别名,可以换成ip NACOS_SERVERS=nacos1:8848 nacos2:8848 nacos3:8848 MYSQL_SERVICE_HOST=mysql # 指定保存数据的数据库名称 MYSQL_SERVICE_DB_NAME=nacos_devtest # 访问mysql端口 MYSQL_SERVICE_PORT=3306 # 访问mysql的用户名 MYSQL_SERVICE_USER=nacos # 访问mysql的密码 MYSQL_SERVICE_PASSWORD=nacos 复制代码
上面的配置就是按照第2步咱们配置的mysql实例来的
4.启动nacos server集群
docker-compose up -d 复制代码
执行上述命令,nacos1,nacos2,nacos3实例就会启动,在此基础上做一个nginx负载均衡,后续可以通过浏览器访问。
http://{ip}:8848/nacos 复制代码
{ip}变量就是指的宿主机的ip
出现以下登录界面即表示nacos server集群搭建成功
登录的用户名:nacos,密码:nacos