Cara menggunakan Docker untuk menggunakan MySQL5.7&8.0 kelompok hamba induk

> Gunakan mysql 5.7 cluster master & slave (untuk ujian sahaja)

Cermin versi 5.7

1 Cipta rangkaian tindanan

docker network create --driver overlay common-network --attachable

2. Edit dua fail konfigurasi master.cnf dan slave.cnf

!includedir /etc/mysql/conf.d/
!includedir /etc/mysql/mysql.conf.d/

[mysqld]
log-bin=mysql-bin
server-id=1
gtid-mode=on
enforce-gtid-consistency=on

!includedir /etc/mysql/conf.d/
!includedir /etc/mysql/mysql.conf.d/

[mysqld]
server-id=2
gtid-mode=on
enforce-gtid-consistency=on

3 Mulakan 2 mysql: mysql-master, mysql-slave

docker run -d \
--name mysql-master \
--network common-network \
-e mysql_root_password=passw0rd \
-v `pwd`/master.cnf:/etc/mysql/my.cnf \
-p 3306:3306 \
-d mysql:5.7

rreee

4. Tambahkan pengguna untuk replikasi daripada pustaka

docker run -d \
--name mysql-slave \
--network common-network \
-e mysql_root_password=passw0rd \
-v `pwd`/slave.cnf:/etc/mysql/my.cnf \
-p 3307:3306 \
-d mysql:5.7

5. Sambungkan tuan & hamba

docker run -it --rm --network common-network mysql mysql -hmysql-master -uroot -ppassw0rd \
-e "create user 'repl'@'%' identified by 'password' require ssl; " \
-e "grant replication slave on *.* to 'repl'@'%';"

6
Status berikut adalah normal:

slave_io_running: yes

slave_sql_running: yes

> Gunakan mysql 8.0 cluster master & slave (untuk ujian sahaja )

Mirror version mysql:8.0

1 Cipta rangkaian tindanan

docker run -it --rm --network common-network mysql mysql -hmysql-slave -uroot -ppassw0rd \
-e "change master to master_host='mysql-master', master_port=3306, master_user='repl', master_password='password', master_auto_position=1, master_ssl=1;" \
-e "start slave;"

2 Mulakan mysql: mysql-master -hamba

docker run -it --rm --network common-network mysql mysql -hmysql-slave -uroot -ppassw0rd -e "show slave status\g"

docker network create --driver overlay common-network --attachable

3 Konfigurasikan tuan & hamba

docker run -d \
--name mysql-master \
--network common-network \
-e mysql_root_password=passw0rd \
-p 3306:3306 \
-d mysql --default-authentication-plugin=mysql_native_password

docker run -d \
--name mysql-slave \
--network common-network \
-e mysql_root_password=passw0rd \
-p 3307:3306 \
-d mysql --default-authentication-plugin=mysql_native_password

4. Mulakan semula tuan & hamba

docker run -it --rm --network common-network mysql mysql -hmysql-master -uroot -ppassw0rd \
-e "set persist server_id=1;" \
-e "set persist_only gtid_mode=on;" \
-e "set persist_only enforce_gtid_consistency=true; " \
-e "create user 'repl'@'%' identified by 'password' require ssl; " \
-e "grant replication slave on *.* to 'repl'@'%';"

5

docker run -it --rm --network common-network mysql mysql -hmysql-slave -uroot -ppassw0rd \
-e "set persist server_id=2;" \
-e "set persist_only gtid_mode=on;" \
-e "set persist_only enforce_gtid_consistency=true; "

6. Sahkan status hamba

docker restart mysql-master mysql-slave

Status berikut adalah normal:

slave_io_running: yes

slave_sql_running: yes 🎜>

> Sahkan penyegerakan data

Buat pangkalan data anoyi pada master

docker run -it --rm --network common-network mysql mysql -hmysql-slave -uroot -ppassw0rd \
-e "change master to master_host='mysql-master', master_port=3306, master_user='repl', master_password='password', master_auto_position=1, master_ssl=1;" \
-e "start slave;"

Lihat senarai pangkalan data pada hamba

rreeee

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