内容简介：bind9 dlz mysql 配置
1.数据库安装
yum -y install mysql-community-server mysql-community-devel
2.编译安装bind 一些基础的包，请参考前一章
./configure –with-dlz-mysql –enable-largefile –enable-threads=no –prefix=/migu/bind –with-libtool –enable-epoll –with-openssl
make -j 8 && make -j 8 install
3.数据库初始化:
CREATE SCHEMA `bind` DEFAULT CHARACTER SET utf8 COLLATE utf8_general_ci ;
CREATE TABLE IF NOT EXISTS `dns_records` (
`id` int(10) unsigned NOT NULL AUTO_INCREMENT,
`zone` varchar(255) NOT NULL,
`host` varchar(255) NOT NULL DEFAULT '@',
`type` enum('A','MX','CNAME','NS','SOA','PTR','TXT','AAAA','SVR','URL') NOT NULL,
`data` varchar(255) DEFAULT NULL,
`ttl` int(11) NOT NULL DEFAULT '3600',
`mx_priority` int(11) DEFAULT NULL,
`view` enum('any', 'CHINANET', 'Unicom', 'CNC', 'ours') NOT NULL DEFAULT "any" ,
`priority` tinyint UNSIGNED NOT NULL DEFAULT '255',
`refresh` int(11) NOT NULL DEFAULT '28800',
`retry` int(11) NOT NULL DEFAULT '14400',
`expire` int(11) NOT NULL DEFAULT '86400',
`minimum` int(11) NOT NULL DEFAULT '86400',
`serial` bigint(20) NOT NULL DEFAULT '2015050917',
`resp_person` varchar(64) NOT NULL DEFAULT 'ddns.net',
`primary_ns` varchar(64) NOT NULL DEFAULT 'ns.ddns.net.',
PRIMARY KEY (`id`),
KEY `type` (`type`),
KEY `host` (`host`),
KEY `zone` (`zone`)
) ENGINE=MyISAM DEFAULT CHARSET=utf8 AUTO_INCREMENT=1 ;
插入SOA数据：
INSERT INTO `dns_records` (`zone`, `host`, `type`, `data`, `ttl`,`mx_priority`, `refresh`, `retry`, `expire`, `minimum`, `serial`, `resp_person`, `primary_ns`) VALUES (‘xieyugui.com’, ‘@’, ‘SOA’, ‘ns1.xieyugui.com.’, 10, NULL, 600, 3600, 86400, 10, 2017060801, ‘root.xieyugui.com.’, ‘ns1.xieyugui.com.’);
插入@ NS数据：
INSERT INTO `dns_records` (`zone`, `host`, `type`, `data`) VALUES (‘xieyugui.com’, ‘@’, ‘NS’, ‘ns1.xieyugui.com.’), (‘xieyugui.com’, ‘@’, ‘NS’, ‘ns2.xieyugui.com.’);
插入NS A数据：
INSERT INTO `dns_records` (`zone`, `host`, `type`, `data`) VALUES (‘xieyugui.com’, ‘ns1’, ‘A’, ‘192.168.10.5’), (‘xieyugui.com’, ‘ns2’, ‘A’, ‘192.168.1.111’);
插入www A记录：
INSERT INTO `dns_records` (`zone`, `host`, `type`, `data`, `ttl`, `view`) VALUES (‘xieyugui.com’, ‘www’, ‘A’, ‘192.168.1.111’, 360, ‘any’), (‘xieyugui.com’, ‘app’, ‘A’, ‘192.168.1.112’, 360, ‘CHINANET’), (‘xieyugui.com’, ‘dev’, ‘A’, ‘192.168.1.113’, 360, ‘any’), (‘xieyugui.com’, ‘db’, ‘A’, ‘192.168.1.114’, 360, ‘any’);
插入CNAME 记录：
INSERT INTO dns_records (zone,host,type,DATA,view) VALUES (‘xieyugui.com’, ‘blog’, ‘CNAME’, ‘www’,’CNC’);
5.etc 目录结构
[root@TEST_MASTER etc]# ls
acl keys named.conf rndc.conf view.conf zone
wget http://www.centos.bz/wp-content/uploads/2012/02/CHINANET.acl ./acl/
wget http://www.centos.bz/wp-content/uploads/2012/02/CNC.acl ./acl/
vim named.conf
include “/migu/bind/etc/acl/CHINANET.acl” ;
include “/migu/bind/etc/acl/CNC.acl” ;
include “/migu/bind/etc/view.conf” ;
vim view.conf
view “CHINANET_view” {
match-clients { CHINANET; };
allow-query-cache { none; };
allow-recursion { none; };
allow-transfer { none; };
recursion no;
dlz “Mysql zone” {
database “mysql
{host=127.0.0.1 dbname=bind ssl=false port=3306 user=root pass=xxx}
{select zone from dns_records where zone = ‘$zone$’ and view = ‘any’ limit 1}
{select ttl,type,mx_priority,case when lower(type)=’txt’ then concat(‘\”‘,data,’\”‘) when lower(type) = ‘soa’ then concat_ws(‘ ‘, data, resp_person, serial, refresh, retry, expire, minimum) else data end as mydata from dns_records where zone = ‘$zone$’ and host = ‘$record$’ and view=(select view from dns_records where zone = ‘$zone$’ and host = ‘$record$’ and (view=’CHINANET’ or view=’any’) order by priority asc limit 1)}”;
};
};
view “CNC_view” {
match-clients { CNC; };
allow-query-cache { none; };
allow-recursion { none; };
allow-transfer { none; };
recursion no;
dlz “Mysql zone” {
database “mysql
{host=127.0.0.1 dbname=bind ssl=false port=3306 user=root pass=xxx}
{select zone from dns_records where zone = ‘$zone$’ and view = ‘any’ limit 1}
{select ttl,type,mx_priority,case when lower(type)=’txt’ then concat(‘\”‘,data,’\”‘) when lower(type) = ‘soa’ then concat_ws(‘ ‘, data, resp_person, serial, refresh, retry, expire, minimum) else data end as mydata from dns_records where zone = ‘$zone$’ and host = ‘$record$’ and view=(select view from dns_records where zone = ‘$zone$’ and host = ‘$record$’ and (view=’CNC’ or view=’any’) order by priority asc limit 1)}”;
};
};
view “any_view” {
match-clients { any; };
allow-query-cache { none; };
allow-recursion { none; };
allow-transfer { none; };
recursion no;
dlz “Mysql zone” {
database “mysql
{host=127.0.0.1 dbname=bind ssl=false port=3306 user=root pass=xxx}
{select zone from dns_records where zone = ‘$zone$’ and view = ‘any’ limit 1}
{select ttl,type,mx_priority,case when lower(type)=’txt’ then concat(‘\”‘,data,’\”‘) when lower(type) = ‘soa’ then concat_ws(‘ ‘, data, resp_person, serial, refresh, retry, expire, minimum) else data end as mydata from dns_records where zone = ‘$zone$’ and host = ‘$record$’ and view = ‘any’}”;
};
} ;
貌似上面的view.conf里面的select逻辑有点问题，但是整体还是能跑通的，后面有空再整理一下
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