使用k8s部署seata1.5.2(mysql+nacos+springboot)

Kubernetes

本文使用的是nacos+mysql的方式大致流程:

MySQL建立对应的库和表
nacos配置对应的配置,以便java等应用能从nacos获取配置
k8s部署对应的负载,负载启动以后从配置文件获取nacos地址,然后从nacos获取配置启动

MySQL 建立库和表

# 创建一个数据库
CREATE DATABASE `seata`;

然后进入数据库中执行建表查询

use seata;

CREATE TABLE IF NOT EXISTS `global_table`
(
    `xid`                       VARCHAR(128) NOT NULL,
    `transaction_id`            BIGINT,
    `status`                    TINYINT      NOT NULL,
    `application_id`            VARCHAR(32),
    `transaction_service_group` VARCHAR(32),
    `transaction_name`          VARCHAR(128),
    `timeout`                   INT,
    `begin_time`                BIGINT,
    `application_data`          VARCHAR(2000),
    `gmt_create`                DATETIME,
    `gmt_modified`              DATETIME,
    PRIMARY KEY (`xid`),
    KEY `idx_status_gmt_modified` (`status` , `gmt_modified`),
    KEY `idx_transaction_id` (`transaction_id`)
) ENGINE = InnoDB
  DEFAULT CHARSET = utf8mb4;

-- the table to store BranchSession data
CREATE TABLE IF NOT EXISTS `branch_table`
(
    `branch_id`         BIGINT       NOT NULL,
    `xid`               VARCHAR(128) NOT NULL,
    `transaction_id`    BIGINT,
    `resource_group_id` VARCHAR(32),
    `resource_id`       VARCHAR(256),
    `branch_type`       VARCHAR(8),
    `status`            TINYINT,
    `client_id`         VARCHAR(64),
    `application_data`  VARCHAR(2000),
    `gmt_create`        DATETIME(6),
    `gmt_modified`      DATETIME(6),
    PRIMARY KEY (`branch_id`),
    KEY `idx_xid` (`xid`)
) ENGINE = InnoDB
  DEFAULT CHARSET = utf8mb4;

-- the table to store lock data
CREATE TABLE IF NOT EXISTS `lock_table`
(
    `row_key`        VARCHAR(128) NOT NULL,
    `xid`            VARCHAR(128),
    `transaction_id` BIGINT,
    `branch_id`      BIGINT       NOT NULL,
    `resource_id`    VARCHAR(256),
    `table_name`     VARCHAR(32),
    `pk`             VARCHAR(36),
    `status`         TINYINT      NOT NULL DEFAULT '0' COMMENT '0:locked ,1:rollbacking',
    `gmt_create`     DATETIME,
    `gmt_modified`   DATETIME,
    PRIMARY KEY (`row_key`),
    KEY `idx_status` (`status`),
    KEY `idx_branch_id` (`branch_id`),
    KEY `idx_xid` (`xid`)
) ENGINE = InnoDB
  DEFAULT CHARSET = utf8mb4;

CREATE TABLE IF NOT EXISTS `distributed_lock`
(
    `lock_key`       CHAR(20) NOT NULL,
    `lock_value`     VARCHAR(20) NOT NULL,
    `expire`         BIGINT,
    primary key (`lock_key`)
) ENGINE = InnoDB
  DEFAULT CHARSET = utf8mb4;

INSERT INTO `distributed_lock` (lock_key, lock_value, expire) VALUES ('AsyncCommitting', ' ', 0);
INSERT INTO `distributed_lock` (lock_key, lock_value, expire) VALUES ('RetryCommitting', ' ', 0);
INSERT INTO `distributed_lock` (lock_key, lock_value, expire) VALUES ('RetryRollbacking', ' ', 0);
INSERT INTO `distributed_lock` (lock_key, lock_value, expire) VALUES ('TxTimeoutCheck', ' ', 0);

配置nacos配置文件

在nacos对应的namespace中创建一个配置文件

seataServer.properties

file 内容如下

#For details about configuration items, see https://seata.io/zh-cn/docs/user/configurations.html
#Transport configuration, for client and server
transport.type=TCP
transport.server=NIO
transport.heartbeat=true
transport.enableTmClientBatchSendRequest=false
transport.enableRmClientBatchSendRequest=true
transport.enableTcServerBatchSendResponse=false
transport.rpcRmRequestTimeout=30000
transport.rpcTmRequestTimeout=30000
transport.rpcTcRequestTimeout=30000
transport.threadFactory.bossThreadPrefix=NettyBoss
transport.threadFactory.workerThreadPrefix=NettyServerNIOWorker
transport.threadFactory.serverExecutorThreadPrefix=NettyServerBizHandler
transport.threadFactory.shareBossWorker=false
transport.threadFactory.clientSelectorThreadPrefix=NettyClientSelector
transport.threadFactory.clientSelectorThreadSize=1
transport.threadFactory.clientWorkerThreadPrefix=NettyClientWorkerThread
transport.threadFactory.bossThreadSize=1
transport.threadFactory.workerThreadSize=default
transport.shutdown.wait=3
transport.serialization=seata
transport.compressor=none

#Transaction routing rules configuration, only for the client
service.vgroupMapping.default_tx_group=default #这里需要和seata里面的对应
#If you use a registry, you can ignore it
service.default.grouplist=seata.namespace.svc:8091 # 这里填写k8s中seata对应的 服务名:端口 ,格式为 server名.namespace名.svc:端口
service.enableDegrade=false
service.disableGlobalTransaction=false

#Transaction rule configuration, only for the client
client.rm.asyncCommitBufferLimit=10000
client.rm.lock.retryInterval=10
client.rm.lock.retryTimes=30
client.rm.lock.retryPolicyBranchRollbackOnConflict=true
client.rm.reportRetryCount=5
client.rm.tableMetaCheckEnable=true
client.rm.tableMetaCheckerInterval=60000
client.rm.sqlParserType=druid
client.rm.reportSuccessEnable=false
client.rm.sagaBranchRegisterEnable=false
client.rm.sagaJsonParser=fastjson
client.rm.tccActionInterceptorOrder=-2147482648
client.tm.commitRetryCount=5
client.tm.rollbackRetryCount=5
client.tm.defaultGlobalTransactionTimeout=60000
client.tm.degradeCheck=false
client.tm.degradeCheckAllowTimes=10
client.tm.degradeCheckPeriod=2000
client.tm.interceptorOrder=-2147482648
client.undo.dataValidation=true
client.undo.logSerialization=jackson
client.undo.onlyCareUpdateColumns=true
server.undo.logSaveDays=7
server.undo.logDeletePeriod=86400000
client.undo.logTable=undo_log
client.undo.compress.enable=true
client.undo.compress.type=zip
client.undo.compress.threshold=64k
#For TCC transaction mode
tcc.fence.logTableName=tcc_fence_log
tcc.fence.cleanPeriod=1h

#Log rule configuration, for client and server
log.exceptionRate=100

#Transaction storage configuration, only for the server. The file, DB, and redis configuration values are optional.
store.mode=db

#These configurations are required if the `store mode` is `db`. If `store.mode,store.lock.mode,store.session.mode` are not equal to `db`, you can remove the configuration block.
store.db.datasource=druid
store.db.dbType=mysql
store.db.driverClassName=com.mysql.cj.jdbc.Driver
store.db.url=jdbc:mysql://MySQL地址:端口默认3306/seata?serverTimezone=Asia/Shanghai&useSSL=false&useUnicode=true&characterEncoding=utf8&autoReconnect=true&failOverReadOnly=false&userAffectedRows=true
store.db.user=root #数据库用户名
store.db.password=******* #数据库密码
store.db.minConn=5
store.db.maxConn=30
store.db.globalTable=global_table
store.db.branchTable=branch_table
store.db.distributedLockTable=distributed_lock
store.db.queryLimit=100
store.db.lockTable=lock_table
store.db.maxWait=5000

#Transaction rule configuration, only for the server
server.recovery.committingRetryPeriod=1000
server.recovery.asynCommittingRetryPeriod=1000
server.recovery.rollbackingRetryPeriod=1000
server.recovery.timeoutRetryPeriod=1000
server.maxCommitRetryTimeout=-1
server.maxRollbackRetryTimeout=-1
server.rollbackRetryTimeoutUnlockEnable=false
server.distributedLockExpireTime=10000
server.xaerNotaRetryTimeout=60000
server.session.branchAsyncQueueSize=5000
server.session.enableBranchAsyncRemove=false
server.enableParallelRequestHandle=false

#Metrics configuration, only for the server
metrics.enabled=false
metrics.registryType=compact
metrics.exporterList=prometheus
metrics.exporterPrometheusPort=9898

k8s创建工作负载

seata 1.5.2 部署 yaml

---
apiVersion: v1
kind: Service
metadata:
  name: seata
  namespace: default
  labels:
    app.kubernetes.io/name: seata
spec:
  type: ClusterIP
  ports:
    - port: 8091
      protocol: TCP
      name: http
  selector:
    app.kubernetes.io/name: seata

---
apiVersion: v1
kind: ConfigMap
metadata:
  name: seata-config
  namespace: default
data:
  application.yml: |
    server:
      port: 7091
    spring:
      application:
        name: seata-server #注册到nacos时的服务名
    # 日志配置
    logging:
      config: classpath:logback-spring.xml
      file:
        path: /root/logs/seata
    # 新增加的console控制台，
    # 可通过访问http://localhost:7091进行登录，账号如下seata/seata
    console:
      user: 
        username: seata
        password: seata
    seata:
      # Seata接入Nacos配置中心
      config:
        # support: file, nacos, consul, apollo, zk, etcd3
        type: nacos
        nacos:
          server-addr: nacos.default.svc:8848 #改成对应的地址
          namespace: default    #改成对应的空间
          group: DEFAULT_GROUP 
          username: nacos #对应的用户名
          password: nacos #nacos密码
          # 该data-id需要在nacos中进行配置
          data-id: seataServer.properties #nacos中配置文件名
      # Seata接入Nacos服务注册中心
      registry:
        # support: file, nacos, eureka, redis, zk, consul, etcd3, sofa
        type: nacos
        nacos:
          application: seata-server
          server-addr: nacos.default.svc:8848 #改成对应的地址
          group: DEFAULT_GROUP
          namespace: default #改成对应的空间
          cluster: default #这里需要和nacos中的一致
          username: nacos
          password: nacos #nacos密码

      security:
        secretKey: SeataSecretKey0c382ef121d778043159209298fd40bf3850a017
        tokenValidityInMilliseconds: 1800000
        ignore:
          urls: /,/**/*.css,/**/*.js,/**/*.html,/**/*.map,/**/*.svg,/**/*.png,/**/*.ico,/console-fe/public/**,/api/v1/auth/login

---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: seata
  namespace: default
  labels:
    app.kubernetes.io/name: seata
spec:
  replicas: 1
  selector:
    matchLabels:
      app.kubernetes.io/name: seata
  template:
    metadata:
      labels:
        app.kubernetes.io/name: seata
    spec:
      containers:
        - name: seata
          image: docker.io/seataio/seata-server:1.5.2
          imagePullPolicy: IfNotPresent
          env:
            - name: SEATA_PORT
              value: '8091'
          ports:
            - name: http
              containerPort: 8091
              protocol: TCP
          volumeMounts:
            - mountPath: /seata-server/resources/application.yml
              name: seata-config
              subPath: application.yml
      volumes:
        - configMap:
            defaultMode: 420
            items:
              - key: application.yml
                path: application.yml
            name: seata-config
          name: seata-config

如图说明启动成功 file

查看服务地址 file

使用默认的用户名密码 seata/seata登陆 file file

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seata

使用k8s部署seata1.5.2(mysql+nacos+springboot)

https://www.hao.kim/archives/1253.html

作者

Hao

发布于

2023-05-30

更新于

2024-04-05

许可协议

CC BY 4.0