Docker:无法连接容器中的mysql
天蓬老师
天蓬老师 2017-04-22 08:59:30
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  • 环境

    • Macbook pro 10.10

    • DockerToolbox 1.8 & Docker 1.8.2

  • 先看一下错误输出吧

$ mysql -uroot -p -h192.168.99.100 -P3306        
Enter password: 
ERROR 2003 (HY000): Can't connect to MySQL server on '192.168.99.100' (61)

$ mysqladmin -h192.168.99.100 --port=3306 version                                                                                                                                                      127 ↵
mysqladmin: connect to server at '192.168.99.100' failed
error: 'Can't connect to MySQL server on '192.168.99.100' (61)'
Check that mysqld is running on 192.168.99.100 and that the port is 3306.
You can check this by doing 'telnet 192.168.99.100 3306'

DEBUG的过程

  • 容器状态&端口映射

$ docker ps -l 
CONTAINER ID        IMAGE               COMMAND                  CREATED             STATUS              PORTS                    NAMES
b20584bc086e        sunzy/mysql         "/usr/bin/mysqld_safe"   21 minutes ago      Up 21 minutes       0.0.0.0:3306->3306/tcp   mysql
  • 宿主机的IP

$ docker-machine ls
NAME      ACTIVE   DRIVER       STATE     URL                         SWARM
default   *        virtualbox   Running   tcp://192.168.99.100:2376   
$ docker-machine ls
NAME      ACTIVE   DRIVER       STATE     URL                         SWARM
default   *        virtualbox   Running   tcp://192.168.99.100:2376   
  • PING

$ ping 192.168.99.100                                                                                                                                                                                    1 ↵
PING 192.168.99.100 (192.168.99.100): 56 data bytes
64 bytes from 192.168.99.100: icmp_seq=0 ttl=64 time=0.347 ms
64 bytes from 192.168.99.100: icmp_seq=1 ttl=64 time=0.388 ms
64 bytes from 192.168.99.100: icmp_seq=2 ttl=64 time=0.272 ms
  • Telnet

$ telnet 192.168.99.100 3306                                                                                                                                                                             1 ↵
Trying 192.168.99.100...
telnet: connect to address 192.168.99.100: Connection refused
telnet: Unable to connect to remote host
  • 在容器内连接

# mysql -uroot -p
Enter password: 
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 4
Server version: 5.5.44-0ubuntu0.14.04.1 (Ubuntu)

Copyright (c) 2000, 2015, Oracle and/or its affiliates. All rights reserved.

Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

mysql> 
mysql> 
  • mysql允许任意IP连接

mysql> select user,host,password from mysql.user;
+------------------+--------------+-------------------------------------------+
| user             | host         | password                                  |
+------------------+--------------+-------------------------------------------+
| root             | localhost    | *6BB4837EB74329105EE4568DDA7DC67ED2CA2AD9 |
| root             | e611e15f9c9d | *6BB4837EB74329105EE4568DDA7DC67ED2CA2AD9 |
| root             | 127.0.0.1    | *6BB4837EB74329105EE4568DDA7DC67ED2CA2AD9 |
| root             | ::1          |                                           |
| debian-sys-maint | localhost    | *1BD91232C0D2D2B5500129217CEF09B7EE71ABEC |
| root             | %            | *6BB4837EB74329105EE4568DDA7DC67ED2CA2AD9 |
+------------------+--------------+-------------------------------------------+
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membalas semua(3)
小葫芦

Tiba-tiba saya teringat bahawa saya pernah menghadapi situasi ini sebelum menggunakan gelandangan, tetapi laporannya 2013-Kehilangan sambungan ke pelayan MySQL semasa 'membaca paket komunikasi awalRalat=>

  1. Buka fail konfigurasi mysql

    sudo vim /etc/mysql/my.cnf

  2. Cari

    bind-address, tukar 127.0.0.1 kepada 0.0.0.0 atau ulas baris

  3. Mulakan semula mysql

Saya mencubanya dan ia berfungsi dengan baik

左手右手慢动作

Adakah tembok api hos dihidupkan? status iptables perkhidmatan sudo dan lihat.

Laksanakan sudo netstat -lnp |.

洪涛
docker run --name djistore_mysql -p 3306:3306 -e MYSQL_ROOT_PASSWORD=root -d mysql:5.6.27 --character-set-server=utf8mb4 --collation-server=utf8mb4_unicode_ci

Sambung ke perkhidmatan MySQL

mysql -h 192.168.99.100 -u root -p

Log berkaitan

➜  ~ mysql -h 192.168.99.100 -u root -p
Enter password:
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 1
Server version: 5.6.27 MySQL Community Server (GPL)

Copyright (c) 2000, 2016, Oracle and/or its affiliates. All rights reserved.

Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

mysql> show databases;
+--------------------+
| Database           |
+--------------------+
| information_schema |
| mysql              |
| performance_schema |
+--------------------+
3 rows in set (0.01 sec)
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