77 lines
1.5 KiB
PHP
Executable File
77 lines
1.5 KiB
PHP
Executable File
#!/usr/local/bin/php
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<?php
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/*
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* Munin plugin mysql_schema_size
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*/
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$dbname = getenv('dbname');
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$dsn = getenv('dsn');
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$username = getenv('mysqluser');
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$password = getenv('mysqlpassword');
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$text = "";
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if($argc > 1 && $argv[1] == 'authconf') {
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exit('yes');
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}
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$dbh = new PDO($dsn,$username,$password);
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$mysql = new MysqlTblSize($dbh);
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$stmt = $mysql->getSchemaList();
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$schema_list = array();
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while ($row = $stmt->fetch(PDO::FETCH_ASSOC)) {
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$schema = $row['table_schema'];
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$text .= "$schema.label $schema\n";
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$schema_list[] = $schema;
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}
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if($argc > 1 && $argv[1] == 'config') {
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$text = <<<EOT
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graph_title $dbname Schema Size
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graph_category db
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graph_vlabel Size
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graph_args --base 1024 -l 0
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$text
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EOT;
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die($text);
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}
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$stmt = $mysql->getSchemaSize();
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while ($row = $stmt->fetch(PDO::FETCH_ASSOC)) {
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$data_length = $row['sum_data_length'];
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$schema = $row['table_schema'];
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echo "$schema.value $data_length\n";
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}
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class MysqlTblSize {
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private $dbh;
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public function __construct($dbh) {
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$this->dbh = $dbh;
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}
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public function getSchemaList() {
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$sql = <<<EOT
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select distinct(table_schema)
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from information_schema.tables
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EOT;
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$stmt = $this->dbh->prepare($sql);
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$stmt->execute();
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return $stmt;
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}
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public function getSchemaSize() {
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$sql = <<<EOT
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select sum( data_length ) sum_data_length,table_schema
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from information_schema.tables
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group by table_schema
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EOT;
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$stmt = $this->dbh->prepare($sql);
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$stmt->execute();
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return $stmt;
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}
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}
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