检测mysql同步状态实现代码(php/linux)
本文章介绍两个实例来介绍mysql同步状态检测实现程序有需要的朋友可参考一下。
<?php
//!/bin/sh
//check MySQL_Slave Status
//crontab time 00:10
MYSQL_USER = "root"MYSQL_PWD = "123456"MYSQL_SLAVE_LOG = "/tmp/check_mysql_slave.log"EMAIL = "1351010****@139.com"MYSQL_PORT = `netstat -na|grep "LISTEN"|grep "3306"|awk -F[:" "]+ '{print $5}'`MYSQL_IP = `ifconfig eth0|grep "inet addr" | awk -F[:" "]+ '{print $4}'`MYSQL_SLAVE_STATUS = $(/usr / local / webserver / mysql / bin / mysql - uroot - psylc23hua - S / tmp / mysql . sock - e"show slave statusG" | grep - i"running") IO_ENV = `echo $MYSQL_SLAVE_STATUS | grep IO | awk ' {print $2}'`SQL_ENV = `echo $MYSQL_SLAVE_STATUS | grep SQL | awk '{print $2}'`NOW = $(date - dtoday + '%Y-%m-%d %H:%M:%S') if ["$MYSQL_PORT" = "3306"];
thenecho "mysql is running!"
else mail - s"warn!server: $MYSQL_IP mysql is down""$EMAIL"fiif ["$IO_ENV" = "Yes" - a"$SQL_ENV" = "Yes"];
thenecho "Slave is running!"
else echo "[ $NOW ] Slave is not running!" >> "$MYSQL_SLAVE_LOG"cat"$MYSQL_SLAVE_LOG" | mail - s"WARN! ${MySQL_IP}_replicate_error""$EMAIL"fiexit0
?>php实例代码
check_rep.php
<?php
if (empty($_REQUEST["key"])) die(':) missing key');
if ($_REQUEST["key"] != 'xupeng') die(':) error key');
include ("mysql_instance.php");
include ("check_status_api.php");
define("USERNAME", "用户名");
define("PASSWORD", "密码");
define("DEBUGMODE", false);
$instances = get_instances();
if ($instances) {
echo "30分钟自动刷新";
END;
echo "
\n";
if (!DEBUGMODE) {
echo "
n";
} else {
echo "
n";
}
foreach ($instances as $host) {
$res = check_mysql_replication_status($host, USERNAME, PASSWORD);
if (!DEBUGMODE) {
switch ($res["result"]) {
case -4:
$memo = "未知异常";
break;
case -3:
$memo = "查询失败";
break;
case -2:
$memo = "无法连接端口";
break;
case -1:
$memo = "状态未知";
break;
case 0:
$memo = "OK";
break;
case 1:
$memo = "同步失败";
if ($res["Slave_IO_Running"] <> "Yes") {
$memo.= $res["Last_IO_Error"] . "(" . $res["Last_IO_Errno"] . ")";
}
if ($res["Slave_SQL_Running"] <> "Yes") {
$memo.= $res["Last_SQL_Error"] . "(" . $res["Last_SQL_Errno"] . ")";
}
break;
case 2:
$memo = "数据库未设置同步";
break;
}
echo "
\n";
} else {
echo "
\n";
}
}
echo "
<table border="">
<tbody>
<tr>
<td>instance</td>
<td>result</td>
<td>Slave_IO_Running</td>
<td>Slave_SQL_Running</td>
<td>Master_Host</td>
<td>Master_Port</td>
<td>Replicate_Do_DB</td>
<td>memo</td>
</tr>
<tr>
<td>instance</td>
<td>result</td>
<td>Slave_IO_Running</td>
<td>Slave_SQL_Running</td>
<td>Master_Host</td>
<td>Master_Port</td>
<td>Replicate_Do_DB</td>
<td>Slave_IO_State</td>
<td>Last_IO_Errno</td>
<td>Last_IO_Error</td>
<td>Last_SQL_Errno</td>
<td>Last_SQL_Error</td>
</tr>
<tr>
<td>{$host}</td>
<td>{$res['result']}</td>
<td>{$res['Slave_IO_Running']}</td>
<td>{$res['Slave_SQL_Running']}</td>
<td>{$res['Master_Host']}</td>
<td>{$res['Master_Port']}</td>
<td>{$res['Replicate_Do_DB']}</td>
<td>{$memo}</td>
</tr>
<tr>
<td>{$host}</td>
<td>{$res['result']}</td>
<td>{$res['Slave_IO_Running']}</td>
<td>{$res['Slave_SQL_Running']}</td>
<td>{$res['Master_Host']}</td>
<td>{$res['Master_Port']}</td>
<td>{$res['Replicate_Do_DB']}</td>
<td>{$res['Slave_IO_State']}</td>
<td>{$res['Last_IO_Errno']}</td>
<td>{$res['Last_IO_Error']}</td>
<td>{$res['Last_SQL_Errno']}</td>
<td>{$res['Last_SQL_Error']}</td>
</tr>
</tbody>
</table>
\n";
echo <<END;
} else {
die("no mysql instances defined.");
}
?>check_status_api.php
<?php
/*
* 检查mysql服务器的同步状态
*/
function check_mysql_replication_status($host, $username, $password) {
//默认状态未知
$r = array(
"result" => - 1
);
try {
$dbh = @mysql_connect($host, $username, $password);
if (!$dbh) {
//无法连接
$r["result"] = - 2;
return ($r);
}
$query = "SHOW SLAVE STATUS";
$res = @mysql_query($query, $dbh);
$err = @mysql_error();
if ($err) {
//无法连接
$r["result"] = - 3;
return ($r);
}
$row = mysql_fetch_array($res);
$r = $row;
if (($r["Slave_IO_Running"] == "Yes") && ($r["Slave_SQL_Running"] == "Yes")) {
$r["result"] = 0;
} else {
if (!empty($row)) {
$r["result"] = 1;
} else {
$r["result"] = 2;
}
}
}
catch(Exception $e) {
$r["result"] = - 4;
}
return ($r);
}
?>mysql_instance.php
<?php
//GRANT REPLICATION CLIENT ON *.* TO '用户名'@'监控主机ip' IDENTIFIED BY '密码'; $mysql_instances =
array();
$mysql_instances[] = "远程ip:端口";
$mysql_instances[] = "远程ip:端口";
function get_instances() {
global $mysql_instances;
return $mysql_instances;
}
?>将以上三个PHP文件放在虚拟目录中,然后通过URL访问。
访问方式:http://ip/check_repl.php?key=xupeng
教程链接:http://www.phprm.com/frame/php1005312.html
随意转载~但请保留教程地址★