1. #!/bin/bash
    2. # author: acdiost
    4. set -e
    6. if [ "$1" = 'mysqlrouter' ]; then
    7.     if [[ -z $MASTER_HOST || -z $SLAVE_HOST ]]; then
    8.         echo "We require all of"
    9.         echo "    MASTER_HOST"
    10.         echo "    SLAVE_HOST"
    11.         echo "run command: docker run -dit -e MASTER_HOST='1.2.3.4:3306' -e SLAVE_HOST='2.2.3.4:3306,3.2.3.4:3306' -p 6446:6446 -p 6447:6447 mysql-router"
    12.         echo "configuration: /etc/mysqlrouter/mysqlrouter.conf"
    13.         echo "to be set. Exiting."
    14.         exit 1
    15.     fi
    17. CONFIGFILE=/etc/mysqlrouter/mysqlrouter.conf
    19. # 主从模式
    20.     cat >"$CONFIGFILE" <<EOF
    21. [DEFAULT]
    22. logging_folder = /var/log/mysqlrouter
    23. runtime_folder = /var/run/mysqlrouter
    24. config_folder = /etc/mysqlrouter
    26. [logger]
    27. level = INFO
    29. [routing:masters]
    30. bind_address = 0.0.0.0
    31. bind_port = 6446
    32. destinations = $MASTER_HOST
    33. mode = read-write
    35. [routing:slaves]
    36. bind_address = 0.0.0.0
    37. bind_port = 6447
    38. destinations = $SLAVE_HOST
    39. mode = read-only
    40. EOF
    42. ## 简单模式
    43. #     cat >"$CONFIGFILE" <<EOF
    44. # [DEFAULT]
    45. # logging_folder = /var/log/mysqlrouter
    46. # runtime_folder = /var/run/mysqlrouter
    47. # config_folder = /etc/mysqlrouter
    49. # [logger]
    50. # level = INFO
    52. # [routing:basic_failover]
    53. # bind_address = 0.0.0.0
    54. # bind_port = 6446
    55. # mode = read-write
    56. # destinations = $MASTER_HOST
    57. # EOF
    59.     exec "$@" --config $CONFIGFILE
    60. fi
    62. exec "$@"
    1. FROM mysql/mysql-router
    3. COPY run.sh /run.sh
    5. HEALTHCHECK \
    6.     CMD mysqladmin --port 6446 --protocol TCP ping 2>&1 | grep Access || exit 1
    8. EXPOSE 6446 6447 64460 64470
    10. ENTRYPOINT ["/run.sh"]
    12. CMD ["mysqlrouter"]