contrib-munin/plugins/mysql_table_size_/mysql-table-size

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2010-11-26 06:40:48 +01:00
#!/usr/local/bin/php
<?php
/*
* Munin plugin mysql_table_size
*
*/
$dbname = getenv('dbname');
$tables = getenv('tables');
$dsn = getenv('dsn');
$username = getenv('mysqluser');
$password = getenv('mysqlpassword');
$table_list = explode(' ',$tables);
$text = "";
//print_r($table_list);
if($argc > 1 && $argv[1] == 'authconf') {
exit('yes');
}
foreach ($table_list as $_str_schema_table) {
$_ary_schema_table = explode('.',$_str_schema_table);
$schema = $_ary_schema_table[0];
$table = $_ary_schema_table[1];
$text .= <<<EOT
$table.label $schema.$table\n
EOT;
}
if($argc > 1 && $argv[1] == 'config') {
$text = <<<EOT
graph_title $dbname Table Data Size
graph_category mysql_table_size_$dbname
graph_vlabel Size
graph_args --base 1024 -l 0
$text
EOT;
die($text);
}
$dbh = new PDO($dsn,$username,$password);
$mysql = new MysqlTblSize($dbh);
foreach ($table_list as $_str_schema_table) {
$_ary_schema_table = explode('.',$_str_schema_table);
$schema = $_ary_schema_table[0];
$table = $_ary_schema_table[1];
$row = $mysql->getTableSize($schema,$table);
$data_length = $row['data_length'];
echo "$table.value $data_length\n";
}
class MysqlTblSize {
private $dbh;
public function __construct($dbh) {
$this->dbh = $dbh;
}
public function getTableSize($schema,$table) {
$bind = array($schema,$table);
$sql = <<<EOT
select data_length
from information_schema.tables
where table_schema = ? and table_name = ?
EOT;
$stmt = $this->dbh->prepare($sql);
$stmt->execute($bind);
return $row = $stmt->fetch(PDO::FETCH_ASSOC);
}
public function getSchemaSize($schema) {
$bind = array($schema);
$sql = <<<EOT
select sum( data_length ) sum_data_length
from information_schema.tables
where table_schema = ?
EOT;
$stmt = $this->dbh->prepare($sql);
$stmt->execute($bind);
return $row = $stmt->fetch(PDO::FETCH_ASSOC);
}
}