output help message using pod2usage instead duplicating pod documentation in usage() function

This commit is contained in:
Vladislav Toigildin 2017-06-15 21:52:14 +03:00
parent cb0acfe319
commit 1aec239039

View file

@ -45,6 +45,7 @@ use warnings;
use diagnostics;
use File::Spec;
use Getopt::Long;
use Pod::Usage;
use File::Basename;
use Cwd 'abs_path';
@ -97,7 +98,7 @@ my %opt = (
);
# Gather the options from the command line
my $getOptionsCheck = GetOptions(
GetOptions(
\%opt, 'nobad',
'nogood', 'noinfo',
'debug', 'nocolor',
@ -119,72 +120,16 @@ my $getOptionsCheck = GetOptions(
'password=s', 'pfstat',
'passenv=s', 'userenv=s',
'defaults-file=s'
);
) or pod2usage(-exitval => 1, -verbose => 99,
-sections => [ "NAME", "IMPORTANT USAGE GUIDELINES", "CONNECTION AND AUTHENTIFICATION",
"PERFORMANCE AND REPORTING OPTIONS", "OUTPUT OPTIONS" ]
);
#If params are incorrect return help
if ( $getOptionsCheck ne 1 ) {
usage();
}
if ( defined $opt{'help'} && $opt{'help'} == 1 ) { usage(); }
sub usage {
# Shown with --help option passed
print " MySQLTuner $tunerversion - MySQL High Performance Tuning Script\n"
. " Bug reports, feature requests, and downloads at http://mysqltuner.com/\n"
. " Maintained by Major Hayden (major\@mhtx.net) - Licensed under GPL\n"
. "\n"
. " Important Usage Guidelines:\n"
. " To run the script with the default options, run the script without arguments\n"
. " Allow MySQL server to run for at least 24-48 hours before trusting suggestions\n"
. " Some routines may require root level privileges (script will provide warnings)\n"
. " You must provide the remote server's total memory when connecting to other servers\n"
. "\n"
. " Connection and Authentication\n"
. " --host <hostname> Connect to a remote host to perform tests (default: localhost)\n"
. " --socket <socket> Use a different socket for a local connection\n"
. " --port <port> Port to use for connection (default: 3306)\n"
. " --user <username> Username to use for authentication\n"
. " --userenv <envvar> Name of env variable which contains username to use for authentication\n"
. " --pass <password> Password to use for authentication\n"
. " --passenv <envvar> Name of env variable which contains password to use for authentication\n"
. " --defaults-file <path> Path to a custom .my.cnf\n"
. " --mysqladmin <path> Path to a custom mysqladmin executable\n"
. " --mysqlcmd <path> Path to a custom mysql executable\n" . "\n"
. " --noask Don't ask password if needed\n" . "\n"
. " Performance and Reporting Options\n"
. " --skipsize Don't enumerate tables and their types/sizes (default: on)\n"
. " (Recommended for servers with many tables)\n"
. " --skippassword Don't perform checks on user passwords(default: off)\n"
. " --checkversion Check for updates to MySQLTuner (default: don't check)\n"
. " --updateversion Check for updates to MySQLTuner and update when newer version is available (default: don't check)\n"
. " --forcemem <size> Amount of RAM installed in megabytes\n"
. " --forceswap <size> Amount of swap memory configured in megabytes\n"
. " --passwordfile <path>Path to a password file list(one password by line)\n"
. " Output Options:\n"
. " --silent Don't output anything on screen\n"
. " --nogood Remove OK responses\n"
. " --nobad Remove negative/suggestion responses\n"
. " --noinfo Remove informational responses\n"
. " --debug Print debug information\n"
. " --dbstat Print database information\n"
. " --idxstat Print index information\n"
. " --sysstat Print system information\n"
. " --pfstat Print Performance schema information\n"
. " --bannedports Ports banned separated by comma(,)\n"
. " --maxportallowed Number of ports opened allowed on this hosts\n"
. " --cvefile <path> CVE File for vulnerability checks\n"
. " --nocolor Don't print output in color\n"
. " --json Print result as JSON string\n"
. " --prettyjson Print result as human readable JSON\n"
. " --buffers Print global and per-thread buffer values\n"
. " --outputfile <path> Path to a output txt file\n" . "\n"
. " --reportfile <path> Path to a report txt file\n" . "\n"
. " --template <path> Path to a template file\n" . "\n"
. " --verbose Prints out all options (default: no verbose) \n"
. "\n";
exit 0;
if ( defined $opt{'help'} && $opt{'help'} == 1 ) {
pod2usage(-exitval => 0, -verbose => 99,
-sections => [ "NAME", "IMPORTANT USAGE GUIDELINES", "CONNECTION AND AUTHENTIFICATION",
"PERFORMANCE AND REPORTING OPTIONS", "OUTPUT OPTIONS" ]
);
}
my $devnull = File::Spec->devnull();