Scripting in config

Posted on May 23, 2018June 26, 2018 by snikolaev

Did you know that Sphinx and Manticore Search configs allow you to do scripting by using shebang syntax? Here is an example of how useful it can be in some cases:

Imagine you have 3 tables with identical structure that you would like to index into 3 indexes one per table. You can just make a php script which will do it and use it as a Manticore Search config instead of describing each source/index separately:

#!/usr/bin/php
<?php
$source= "source [TABLE]_src {
  type      = mysql
  sql_host    = localhost
  sql_user    = user
  sql_pass    = password
  sql_db      = db
  sql_port    = 3306
  sql_query = SELECT [TABLE].id, title, body FROM [TABLE] WHERE [TABLE].id >=\$startand[TABLE].ID <=\$end
  sql_query_range = SELECT MIN(id), MAX(id) FROM [TABLE]
  sql_range_step = 1000
}
";
$index= "index [TABLE]_idx {
  source      = [TABLE]_src
  path      = /path/to/indexes/idx_[TABLE]
}
";
$tables= array('Cats', 'Dogs', 'Mouses');
foreach($tables as $table) {
  echo str_replace('[TABLE]', $table, $source)."\n";
  echo str_replace('[TABLE]', $table, $index)."\n";
}
?>
searchd {
  listen          = localhost:9306:mysql41
  pid_file        = /path/to/pid_file.pid
}

Now you can use this file just like a normal Manticore Search config:

[snikolaev@dev01 ~]$ searchd -c manticore.conf
Manticore 2.6.4 4510fa4@180501 dev
Copyright (c) 2001-2016, Andrew Aksyonoff
Copyright (c) 2008-2016, Sphinx Technologies Inc (http://sphinxsearch.com)
Copyright (c) 2017-2018, Manticore Software LTD (http://manticoresearch.com)

using config file 'manticore.conf'...

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