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This commit is contained in:
yedongfu 2021-06-03 15:11:03 +08:00
parent 711823fc31
commit 1fb57472e7
9 changed files with 46 additions and 42 deletions
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2
Dockerfile
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@ -3,4 +3,4 @@ WORKDIR /app/dtm
RUN go env -w GO111MODULE=on
RUN go env -w GOPROXY=https://mirrors.aliyun.com/goproxy/,direct
EXPOSE 8080
CMD [ "/bin/bash", "-c", "go build app/main.go && /app/dtm/main dtmsvr" ]
CMD [ "/bin/bash", "-c", "go build app/main.go && /app/dtm/main" ]

3
app/main.go
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@ -13,9 +13,10 @@ type M = map[string]interface{}
func main() {
if len(os.Args) == 1 { // 默认情况下，展示saga例子
examples.PopulateMysql()
dtmsvr.PopulateMysql()
go dtmsvr.StartSvr()
go examples.SagaStartSvr()
time.Sleep(100 * time.Millisecond)
examples.SagaFireRequest()
} else if os.Args[1] == "dtmsvr" {
go dtmsvr.StartSvr()

6
common/conf.sample
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@ -1,6 +0,0 @@
mysql:
host: 'xxx'
user: 'xxx'
password: 'xxx'
database: 'xxx'
port: '3306'

6
dtmsvr/conf.sample
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@ -1,6 +0,0 @@
mysql:
host: 'xxx'
user: 'xxx'
password: 'xxx'
database: 'xxx'
port: '3306'

49
dtmsvr/dtmsvr.sql
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@ -2,53 +2,58 @@ CREATE DATABASE IF NOT EXISTS `dtm` /*!40100 DEFAULT CHARACTER SET utf8mb4 */;
use dtm;
drop table IF EXISTS saga;
CREATE TABLE IF NOT EXISTS `saga` (
drop table IF EXISTS trans_global;
CREATE TABLE if not EXISTS `trans_global` (
`id` int(11) NOT NULL AUTO_INCREMENT,
`gid` varchar(45) NOT NULL COMMENT '事务全局id',
`steps` json NOT NULL COMMENT 'saga的所有步骤',
`status` varchar(45) NOT NULL COMMENT '全局事务的状态 prepared | processing | succeed | failed',
`trans_query` varchar(128) NOT NULL COMMENT '事务未决状态的查询api',
`finish_time` datetime DEFAULT NULL,
`rollback_time` datetime DEFAULT NULL,
`gid` varchar(128) NOT NULL COMMENT '事务全局id',
`trans_type` varchar(45) not null COMMENT '事务类型: saga | xa',
`data` TEXT COMMENT '事务携带的数据',
`status` varchar(45) NOT NULL COMMENT '全局事务的状态 prepared | committed | finished | rollbacked',
`query_prepared` varchar(128) NOT NULL COMMENT 'prepared状态事务的查询api',
`create_time` datetime DEFAULT NULL,
`update_time` datetime DEFAULT NULL,
`commit_time` datetime DEFAULT NULL,
`finish_time` datetime DEFAULT NULL,
`rollback_time` datetime DEFAULT NULL,
`owner` varchar(128) not null default '' comment '正在处理全局事务的锁定者',
PRIMARY KEY (`id`),
UNIQUE KEY `gid` (`gid`),
key `owner`(`owner`),
KEY `create_time` (`create_time`),
KEY `update_time` (`update_time`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
drop table IF EXISTS saga_step;
CREATE TABLE IF NOT EXISTS `saga_step` (
drop table IF EXISTS trans_branch;
CREATE TABLE IF NOT EXISTS `trans_branch` (
`id` int(11) NOT NULL AUTO_INCREMENT,
`gid` varchar(45) NOT NULL COMMENT '事务全局id',
`data` json DEFAULT NULL COMMENT '请求所携带的数据',
`step` int(11) NOT NULL COMMENT '处于saga中的第几步',
`gid` varchar(128) NOT NULL COMMENT '事务全局id',
`url` varchar(128) NOT NULL COMMENT '动作关联的url',
`type` varchar(45) NOT NULL COMMENT 'saga的所有步骤',
`status` varchar(45) NOT NULL COMMENT '步骤的状态 prepared | succeed | failed',
`data` TEXT COMMENT '请求所携带的数据',
`branch` VARCHAR(128) NOT NULL COMMENT '事务分支名称',
`branch_type` varchar(45) NOT NULL COMMENT '事务分支类型 saga_action | saga_compensate | xa',
`status` varchar(45) NOT NULL COMMENT '步骤的状态 committed | finished | rollbacked',
`finish_time` datetime DEFAULT NULL,
`rollback_time` datetime DEFAULT NULL,
`create_time` datetime DEFAULT NULL,
`update_time` datetime DEFAULT NULL,
PRIMARY KEY (`id`),
UNIQUE KEY `gid` (`gid`,`step`),
UNIQUE KEY `gid` (`gid`,`branch`, `branch_type`),
KEY `create_time` (`create_time`),
KEY `update_time` (`update_time`)
) ENGINE=InnoDB AUTO_INCREMENT=17 DEFAULT CHARSET=utf8mb4;
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
drop table IF EXISTS trans_log;
CREATE TABLE IF NOT EXISTS `trans_log` (
`id` int(11) NOT NULL AUTO_INCREMENT,
`gid` varchar(45) NOT NULL COMMENT '事务全局id',
`step` int(11) DEFAULT NULL COMMENT 'saga的步骤',
`gid` varchar(128) NOT NULL COMMENT '事务全局id',
`branch` varchar(128) DEFAULT NULL COMMENT '事务分支',
`action` varchar(45) DEFAULT NULL COMMENT '行为',
`status` varchar(45) NOT NULL COMMENT '状态',
`detail` json NOT NULL COMMENT '行为之后的status',
`old_status` varchar(45) NOT NULL DEFAULT '' COMMENT '旧状态',
`new_status` varchar(45) NOT NULL COMMENT '新状态',
`detail` TEXT NOT NULL COMMENT '行为记录的数据',
`create_time` datetime DEFAULT CURRENT_TIMESTAMP,
PRIMARY KEY (`id`),
KEY `gid` (`gid`),
KEY `create_time` (`create_time`)
) ENGINE=InnoDB AUTO_INCREMENT=48 DEFAULT CHARSET=utf8mb4;
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;

8
dtmsvr/main.go
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@ -1,11 +1,15 @@
package dtmsvr
import (
"fmt"
"github.com/sirupsen/logrus"
"github.com/yedf/dtm/common"
"github.com/yedf/dtm/examples"
)
var dtmsvrPort = 8080
func Main() {
go StartSvr()
}
@ -15,8 +19,8 @@ func StartSvr() {
common.InitApp(common.GetCurrentPath(), &config)
app := common.GetGinApp()
AddRoute(app)
logrus.Printf("dtmsvr listen at: 8080")
app.Run(":8080")
logrus.Printf("dtmsvr listen at: %d", dtmsvrPort)
app.Run(fmt.Sprintf(":%d", dtmsvrPort))
}
func PopulateMysql() {

6
examples/conf.yml.sample
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@ -0,0 +1,6 @@
Mysql:
host: 'mysql'
user: 'root'
password: 'my-secret-pw'
database: 'dtm'
port: '3306'

2
examples/data.go
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@ -21,7 +21,7 @@ func RunSqlScript(mysql map[string]string, script string) {
sqls := strings.Split(string(content), ";")
for _, sql := range sqls {
s := strings.TrimSpace(sql)
if strings.Contains(strings.ToLower(s), "drop") || s == "" {
if strings.Contains(strings.ToLower(s), "drop1") || s == "" {
continue
}
logrus.Printf("executing: '%s'", s)

6
examples/examples.sql
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@ -1,7 +1,7 @@
CREATE DATABASE `dtm_busi` /*!40100 DEFAULT CHARACTER SET utf8mb4 */;
CREATE DATABASE if not exists `dtm_busi` /*!40100 DEFAULT CHARACTER SET utf8mb4 */;
use dtm_busi;
drop table if exists user_account;
create table user_account(
create table if not exists user_account(
id int(11) PRIMARY KEY AUTO_INCREMENT,
user_id int(11) UNIQUE ,
balance DECIMAL(10, 2) not null default '0',
@ -11,4 +11,4 @@ create table user_account(
key(update_time)
);
insert into user_account (user_id, balance) values (1, 10000), (2, 10000);
insert into user_account (user_id, balance) values (1, 10000), (2, 10000) on DUPLICATE KEY UPDATE balance=values (balance);