Question

我做了什么：

1. docker run --net minha-rede --name mysql01 -e MYSQL_ROOT_PASSWORD=Password1234 -d mysql

2. docker run --net minha-rede --name wordpress01 --link mysql01 -p 8080:80 -e WORDPRESS_DB_HOST=mysql01:3306 -e WORDPRESS_DB_USER=root -e WORDPRESS_DB_PASSWORD=Password1234 -e WORDPRESS_DB_NAME=wordpress -e WORDPRESS_TABLE_PREFIX=wp_ -d wordpress

3. docker exec -it mysql01 bash

4. mysql -u root -p

5. CREATE USER 'luckerman'@'localhost' IDENTIFIED BY 'onboard' WITH MAX_USER_CONNECTIONS 3;

6. GRANT PROCESS, REPLICATION CLIENT, SELECT ON *.* TO 'luckerman'@'localhost';

7. exit

8. exit

9. docker run -d \
  -p 9104:9104 --name mysqlexp01\
  --network minha-rede  \
  -e DATA_SOURCE_NAME="luckerman:onboard@(minha-rede:3306)/" \
  prom/mysqld-exporter

但是当我运行http://localhost:9104/metrics时，我收到消息# TYPE mysql_exporter_last_scrape_error gauge mysql_exporter_last_scrape_error 1 当我运行docker logs mysqlexp01时，会显示以下内容：

time =“ 2018-09-11T20：57：40Z” level = info msg =“正在启动mysqld_exporter（版本= 0.11.0，branch = HEAD，版本= 5d7179615695a61ecc3b5bf90a2a7c76a9592cdd）” source =“ mysqld_exporter.go：206” < / p>
time =“ 2018-09-11T20：57：40Z” level = info msg =“构建上下文（go = go1.10.3，user = root @ 3d3ff666b0e4，date = 20180629-15：00：35）” source = “ mysqld_exporter.go：207”

time =“ 2018-09-11T20：57：40Z” level = info msg =“已启用刮板：” source =“ mysqld_exporter.go：218”

time =“ 2018-09-11T20：57：40Z” level = info msg =“ --collect.info_schema.tables” source =“ mysqld_exporter.go：222”

time =“ 2018-09-11T20：57：40Z” level = info msg =“ --collect.global_status” source =“ mysqld_exporter.go：222”

time =“ 2018-09-11T20：57：40Z” level = info msg =“ --collect.global_variables” source =“ mysqld_exporter.go：222”

time =“ 2018-09-11T20：57：40Z” level = info msg =“ --collect.slave_status” source =“ mysqld_exporter.go：222”

time =“ 2018-09-11T20：57：40Z” level = info msg =“在：9104上收听” source =“ mysqld_exporter.go：232”

time =“ 2018-09-11T20：57：44Z” level = error msg =“错误ping mysqld：拨打tcp 127.0.0.1:3306：连接：连接被拒绝” source =“ exporter.go：119”

我做错了什么？我尝试了很多论坛，站点等...

Answer 1

成功了！我是这样做的：

docker网络检查minha-rede

然后我找到了my-sql的IP（在我的情况下为172.23.0.2）然后我输入了my-sql并执行了以下命令：通过MAX_USER_CONNECTIONS 3的“ onboard”创建用户'luckerman'@'172.23.0.2'

GRANT过程，复制客户端，选择。到'luckerman'@'172.23.0.2';

谢谢@ alex-karshin！

在docker中连接mysqld-exporter-mysql_up 0

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