Docker搭建nacos+seata分布式事务 |
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Docker搭建nacos+seata分布式事务
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搭建nacos+seata分布式事务
1.简介2.环境准备
2.1 下载nacos并安装启动2.2 下载seata并安装启动2.2.1 在 Seata Release 下载最新版的 Seata Server：2.2.2 修改 conf/registry.conf 配置：2.2.3 修改 conf/nacos-config.txt配置：
1.简介
本文主要介绍SpringBoot2.0.4 + Nacos 1.2.1 +Windows版本的Seata0.9.0整合使用Nacos 作为注册中心和配置中心,使用 MySQL 数据库和 MyBatis来操作数据。
2.环境准备
2.1 下载nacos并安装启动
nacos的Docker安装命令: docker pull nacos/nacos-server:1.2.1安装命令执行完成之后可以通过以下命令进行查看镜像(相信docker经验的人都非常熟悉了): docker images
启动成功后执行以下命令查看是否成功: docker ps
下载seata服务地址Seata Release 2.2.2 修改 conf/registry.conf 配置：目前seata支持如下的file、nacos 、apollo、zk、consul的注册中心和配置中心。这里我们以nacos 为例。 将 type 改为 nacos，这里采用的是file的方式 registry { # file 、nacos 、eureka、redis、zk、consul、etcd3、sofa type = "nacos" nacos { serverAddr = "127.0.0.1:18001" namespace = "public" cluster = "default" } } config { # file、nacos 、apollo、zk、consul、etcd3 type = "file" file { name = "file.conf" } }serverAddr = “127.0.0.1:18001” ：nacos 的地址 namespace = “public” ：nacos的命名空间默认为public cluster = “default” ：集群设置未默认 default 2.2.3 修改 conf/nacos-config.txt配置： transport { # tcp udt unix-domain-socket type = "TCP" #NIO NATIVE server = "NIO" #enable heartbeat heartbeat = true #thread factory for netty thread-factory { boss-thread-prefix = "NettyBoss" worker-thread-prefix = "NettyServerNIOWorker" server-executor-thread-prefix = "NettyServerBizHandler" share-boss-worker = false client-selector-thread-prefix = "NettyClientSelector" client-selector-thread-size = 1 client-worker-thread-prefix = "NettyClientWorkerThread" # netty boss thread size,will not be used for UDT boss-thread-size = 1 #auto default pin or 8 worker-thread-size = 8 } shutdown { # when destroy server, wait seconds wait = 3 } serialization = "seata" compressor = "none" } service { #vgroup->rgroup vgroup_mapping.my_test_tx_group = "seata-service" #only support single node default.grouplist = "127.0.0.1:8091" #degrade current not support enableDegrade = false #disable disable = false #unit ms,s,m,h,d represents milliseconds, seconds, minutes, hours, days, default permanent max.commit.retry.timeout = "-1" max.rollback.retry.timeout = "-1" } client { async.commit.buffer.limit = 10000 lock { retry.internal = 10 retry.times = 30 } report.retry.count = 5 tm.commit.retry.count = 1 tm.rollback.retry.count = 1 } ## transaction log store store { ## store mode: file、db mode = "db" ## file store file { dir = "sessionStore" # branch session size , if exceeded first try compress lockkey, still exceeded throws exceptions max-branch-session-size = 16384 # globe session size , if exceeded throws exceptions max-global-session-size = 512 # file buffer size , if exceeded allocate new buffer file-write-buffer-cache-size = 16384 # when recover batch read size session.reload.read_size = 100 # async, sync flush-disk-mode = async } ## database store db { ## the implement of javax.sql.DataSource, such as DruidDataSource(druid)/BasicDataSource(dbcp) etc. datasource = "dbcp" ## mysql/oracle/h2/oceanbase etc. db-type = "mysql" driver-class-name = "com.mysql.jdbc.Driver" url = "jdbc:mysql://127.0.0.1:3306/seata?useUnicode=true&characterEncoding=utf-8&allowMultiQueries=true&useSSL=false" user = "root" password = "123456" min-conn = 1 max-conn = 3 global.table = "global_table" branch.table = "branch_table" lock-table = "lock_table" query-limit = 100 } } lock { ## the lock store mode: local、remote mode = "remote" local { ## store locks in user's database } remote { ## store locks in the seata's server } } recovery { #schedule committing retry period in milliseconds committing-retry-period = 1000 #schedule asyn committing retry period in milliseconds asyn-committing-retry-period = 1000 #schedule rollbacking retry period in milliseconds rollbacking-retry-period = 1000 #schedule timeout retry period in milliseconds timeout-retry-period = 1000 } transaction { undo.data.validation = true undo.log.serialization = "jackson" undo.log.save.days = 7 #schedule delete expired undo_log in milliseconds undo.log.delete.period = 86400000 undo.log.table = "undo_log" } ## metrics settings metrics { enabled = false registry-type = "compact" # multi exporters use comma divided exporter-list = "prometheus" exporter-prometheus-port = 9898 } support { ## spring spring { # auto proxy the DataSource bean datasource.autoproxy = false } }vgroup_mapping.my_test_tx_group = “seata-service” 这里 "seata-service"是到时候让其他微服务注册seata中的名字： cloud: alibaba: seata: #自定义事务组名称需要与seata-server中的对应 tx-service-group: seata-service以下是数据库地址账号密码的配置，根据自己情况修改即可： url = "jdbc:mysql://127.0.0.1:3306/seata?useUnicode=true&characterEncoding=utf-8&allowMultiQueries=true&useSSL=false" user = "root" password = "123456"db模式下的所需的三个表的数据库脚本位于seata\conf\db_store.sql global_table的表结构： CREATE TABLE `global_table` ( `xid` varchar(128) NOT NULL, `transaction_id` bigint(20) DEFAULT NULL, `status` tinyint(4) NOT NULL, `application_id` varchar(64) DEFAULT NULL, `transaction_service_group` varchar(64) DEFAULT NULL, `transaction_name` varchar(64) DEFAULT NULL, `timeout` int(11) DEFAULT NULL, `begin_time` bigint(20) DEFAULT NULL, `application_data` varchar(2000) DEFAULT NULL, `gmt_create` datetime DEFAULT NULL, `gmt_modified` datetime DEFAULT NULL, PRIMARY KEY (`xid`), KEY `idx_gmt_modified_status` (`gmt_modified`,`status`), KEY `idx_transaction_id` (`transaction_id`) ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;branch_table的表结构： CREATE TABLE `branch_table` ( `branch_id` bigint(20) NOT NULL, `xid` varchar(128) NOT NULL, `transaction_id` bigint(20) DEFAULT NULL, `resource_group_id` varchar(32) DEFAULT NULL, `resource_id` varchar(256) DEFAULT NULL, `lock_key` varchar(128) DEFAULT NULL, `branch_type` varchar(8) DEFAULT NULL, `status` tinyint(4) DEFAULT NULL, `client_id` varchar(64) DEFAULT NULL, `application_data` varchar(2000) DEFAULT NULL, `gmt_create` datetime DEFAULT NULL, `gmt_modified` datetime DEFAULT NULL, PRIMARY KEY (`branch_id`), KEY `idx_xid` (`xid`) ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;lock_table的表结构： create table `lock_table` ( `row_key` varchar(128) not null, `xid` varchar(96), `transaction_id` long , `branch_id` long, `resource_id` varchar(256) , `table_name` varchar(32) , `pk` varchar(32) , `gmt_create` datetime , `gmt_modified` datetime, primary key(`row_key`) );然后将seata启动后就可以在nacos中看见了： |
有上述这条就代表镜像已经安装成功了,接下来需要将该镜像启动并修改对应的一些配置信息如下:
这边做了端口映射，最后可以通过 ip(localhost):18001/nacos 访问，登录密码默认nacos/nacos 
到这里nacos就算安装启动成功了,接下来就是安装seata服务了。
到这里就成功啦！【本文地址】
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