Jesse Sandberg 807feb3ac4 Validate variable, return only the found variable value instead of tuple ... Docs imply the mysql_variables is used to operate a single variable therefore - fail before making any db connections if variable is not set - validate chars for mysql variable name with re.match(^[a-z0-9_]+) - use "SHOW VARIABLE WHERE Variable_name" instead of LIKE search - getvariable() returns only the value or None if variable is not found - the module returns only the found variable value instead of tuple for easier operation eg. as registere variable in tasks		2016-12-08 11:23:24 -05:00
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ansible	Validate variable, return only the found variable value instead of tuple	2016-12-08 11:23:24 -05:00