MySQL中pt-show-grants怎么用
这篇文章主要介绍了MySQL中pt-show-grants怎么用，具有一定借鉴价值，感兴趣的朋友可以参考下，希望大家阅读完这篇文章之后大有收获，下面让小编带着大家一起了解一下。
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我们先来看一下此工具的帮助:
[root@idb4 tmp]# pt-show-grants --help
pt-show-grants shows grants (user privileges) from a MySQL server. For more
details, please use the --help option, or try 'perldoc
/usr/local/bin/pt-show-grants' for complete documentation.
Usage: pt-show-grants [OPTIONS] [DSN]
Options:
--ask-pass Prompt for a password when connecting to MySQL
--charset=s -A Default character set
--config=A Read this comma-separated list of config files; if
specified, this must be the first option on the command
line
--database=s -D The database to use for the connection
--defaults-file=s -F Only read mysql options from the given file
--drop Add DROP USER before each user in the output
--flush Add FLUSH PRIVILEGES after output
--[no]header Print dump header (default yes)
--help Show help and exit
--host=s -h Connect to host
--ignore=a Ignore this comma-separated list of users
--only=a Only show grants for this comma-separated list of users
--password=s -p Password to use when connecting
--pid=s Create the given PID file
--port=i -P Port number to use for connection
--revoke Add REVOKE statements for each GRANT statement
--separate List each GRANT or REVOKE separately
--set-vars=A Set the MySQL variables in this comma-separated list of
variable=value pairs
--socket=s -S Socket file to use for connection
--[no]timestamp Add timestamp to the dump header (default yes)
--user=s -u User for login if not current user
--version Show version and exit
Option types: s=string, i=integer, f=float, h/H/a/A=comma-separated list, d=DSN, z=size, m=time
Rules:
This tool accepts additional command-line arguments. Refer to the SYNOPSIS and usage information for details.
DSN syntax is key=value[,key=value...] Allowable DSN keys:
KEY COPY MEANING
=== ==== =============================================
A yes Default character set
D yes Default database
F yes Only read default options from the given file
P yes Port number to use for connection
S yes Socket file to use for connection
h yes Connect to host
p yes Password to use when connecting
u yes User for login if not current user
If the DSN is a bareword, the word is treated as the 'h' key.
Options and values after processing arguments:
--ask-pass FALSE
--charset (No value)
--config /etc/percona-toolkit/percona-toolkit.conf,/etc/percona-toolkit/pt-show-grants.conf,/root/.percona-toolkit.conf,/root/.pt-show-grants.conf
--database (No value)
--defaults-file (No value)
--drop FALSE
--flush FALSE
--header TRUE
--help TRUE
--host (No value)
--ignore (No value)
--only (No value)
--password (No value)
--pid (No value)
--port (No value)
--revoke FALSE
--separate FALSE
--set-vars
--socket (No value)
--timestamp TRUE
--user (No value)
--version FALSE
部分参数选项介绍：
--ask-pass Prompt for a password when connecting to MySQL 连接MySQL作为密码的提示
--charset=s -A Default character set 连接使用的字符集
--database=s -D The database to use for the connection 连接数据库使用到的DB
--flush Add FLUSH PRIVILEGES after output 在输出后刷新权限
--[no]header Print dump header (default yes) 打印dump头信息
--help Show help and exit 显示帮助
--host=s -h Connect to host 连接主机信息
用法举例:
[root@idb4 tmp]# pt-show-grants -u mdba -p 123456 -S /tmp/mysql.sock
-- Grants dumped by pt-show-grants
-- Dumped from server Localhost via UNIX socket, MySQL 5.6.27-log at 2017-03-24 11:28:44
-- Grants for ''@'idb4'
GRANT USAGE ON *.* TO ''@'idb4';
-- Grants for ''@'localhost'
GRANT USAGE ON *.* TO ''@'localhost';
-- Grants for 'chaxun'@'%'
GRANT SELECT ON *.* TO 'chaxun'@'%' IDENTIFIED BY PASSWORD '*F58642CAC603E6D0F3667EB641534763E2FB19F9';
GRANT INSERT, SELECT, UPDATE ON `accesslog`.`accesslog` TO 'chaxun'@'%';
-- Grants for 'dsj'@'%'
GRANT SELECT ON *.* TO 'dsj'@'%' IDENTIFIED BY PASSWORD '*004203D413B4B6A751113FEB906AC120AA382064';
GRANT INSERT, UPDATE ON `ixinnuo_sjcj`.`data_interface_gs_etr_info` TO 'dsj'@'%';
-- Grants for 'ixinnuo_zx'@'%'
GRANT CREATE, CREATE ROUTINE, CREATE TABLESPACE, INSERT, SELECT, UPDATE ON *.* TO 'ixinnuo_zx'@'%' IDENTIFIED BY PASSWORD '*AF709110542C4C827FFFB9E77321B0D89259A662';
-- Grants for 'liqianying'@'%'
GRANT ALTER, CREATE, INSERT, SELECT, UPDATE ON *.* TO 'liqianying'@'%' IDENTIFIED BY PASSWORD '*81822E6C8292D1A0D1CE24A3F55E5491EE592CB8';
GRANT ALL PRIVILEGES ON `ixinnuo\_sjcj-\_T`.* TO 'liqianying'@'%' WITH GRANT OPTION;
GRANT CREATE, DELETE, INSERT, SELECT, UPDATE ON `ixinnuo\_sjcj`.* TO 'liqianying'@'%';
GRANT INSERT, SELECT, UPDATE ON `accesslog`.`accesslog` TO 'liqianying'@'%';
-- Grants for 'mdba'@'%'
GRANT ALL PRIVILEGES ON *.* TO 'mdba'@'%' IDENTIFIED BY PASSWORD '*E5B360F1D4E45FEFDB70DFE5E2ABD47990A424D6' WITH GRANT OPTION;
-- Grants for 'mdba'@'localhost'
GRANT ALL PRIVILEGES ON *.* TO 'mdba'@'localhost' IDENTIFIED BY PASSWORD '*E97EDDC98587C3F06D9BA8D6BA8D6A17AFD471C4';
-- Grants for 'monitor'@'172.16.16.27'
GRANT PROCESS, SELECT, SUPER ON *.* TO 'monitor'@'172.16.16.27' IDENTIFIED BY PASSWORD '*1975D095AC033CAF4E1BF94F7202A9BBFEEB66F1';
-- Grants for 'root'@'%'
GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY PASSWORD '*432CBD2158D692A593E5C4C12188A6AF80589D91' WITH GRANT OPTION;
GRANT INSERT, UPDATE ON `accesslog`.* TO 'root'@'%';
-- Grants for 'root'@'127.0.0.1'
GRANT ALL PRIVILEGES ON *.* TO 'root'@'127.0.0.1' IDENTIFIED BY PASSWORD '*432CBD2158D692A593E5C4C12188A6AF80589D91' WITH GRANT OPTION;
-- Grants for 'root'@'::1'
GRANT ALL PRIVILEGES ON *.* TO 'root'@'::1' IDENTIFIED BY PASSWORD '*432CBD2158D692A593E5C4C12188A6AF80589D91' WITH GRANT OPTION;
-- Grants for 'root'@'idb4'
GRANT ALL PRIVILEGES ON *.* TO 'root'@'idb4' IDENTIFIED BY PASSWORD '*432CBD2158D692A593E5C4C12188A6AF80589D91' WITH GRANT OPTION;
GRANT PROXY ON ''@'' TO 'root'@'idb4' WITH GRANT OPTION;
-- Grants for 'spxqn'@'%'
GRANT USAGE ON *.* TO 'spxqn'@'%' IDENTIFIED BY PASSWORD '*C2F4C85D0B14C67F3A3B020502A15BE797F00317';
GRANT ALTER, ALTER ROUTINE, CREATE, CREATE ROUTINE, CREATE TEMPORARY TABLES, CREATE VIEW, EVENT, EXECUTE, INDEX, INSERT, LOCK TABLES, REFERENCES, SELECT, SHOW VIEW, TRIGGER, UPDATE ON `ixinnuo\_sjcj-\_T`.* TO 'spxqn'@'%' WITH GRANT OPTION;
-- Grants for 'user1'@'%'
GRANT USAGE ON *.* TO 'user1'@'%' IDENTIFIED BY PASSWORD '*DC58115FACCE299160B5C525C7EE22BE70028A8E';
GRANT ALL PRIVILEGES ON `std_data`.* TO 'user1'@'%';
[root@idb4 tmp]#
从全日志中可以看到：
1、先查找所有用户和Host
2、然后逐个执行show grants
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