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x waa*j"T?p-F G #!/usr/local/cpanel/3rdparty/bin/perl
# cpanel - scripts/vps_optimizer Copyright 2022 cPanel, L.L.C.
# All rights reserved.
# copyright@cpanel.net http://cpanel.net
# This code is subject to the cPanel license. Unauthorized copying is prohibited
package scripts::vps_optimzer;
use strict;
use warnings;
use Try::Tiny;
use Pod::Usage ();
use Getopt::Long ();
use Cpanel::LoadFile ();
use Cpanel::Exception ();
use Cpanel::ArrayFunc::Uniq ();
use Cpanel::FileUtils::TouchFile ();
use Cpanel::Transaction::File::LoadConfig ();
our $version = '2.0';
our $CPSPAMD_PATH = '/etc/cpspamd.conf';
exit __PACKAGE__->new()->run_from_command_line(@ARGV) unless caller();
sub new {
my $class = shift;
return bless {}, $class;
}
sub run_from_command_line {
my ( $self, @cmdline_args ) = @_;
die Cpanel::Exception::create('RootRequired')->to_string_no_id() unless ( $> == 0 && $< == 0 );
$self->{'opts'} = _parse_and_validate_opts( \@cmdline_args );
# -1 to get the right exit code
return Pod::Usage::pod2usage( -exitval => 'NOEXIT', -output => \*STDOUT, -verbose => 99, -sections => [qw(NAME DESCRIPTION SYNOPSIS)] ) - 1
if $self->{'opts'}->{'help'};
return 1 if !$self->_validate_environment();
return 0 if !$self->_should_run_on_environment();
my $changes = $self->determine_changes_to_be_made();
my $restarts = $self->make_changes($changes);
$self->_restart_services($restarts);
$self->_mark_run_complete();
return 0;
}
sub determine_changes_to_be_made {
my $self = shift;
# defaults used in the previous version
my $changes = {
'conserve_memory' => 1,
'spamd_config' => {
'maxspare' => 1,
'maxchildren' => 3,
}
};
require Cpanel::Sys::Hardware::Memory;
my $mem_on_system = Cpanel::Sys::Hardware::Memory::get_installed(); # returns MiB
if ( $mem_on_system > 1500 ) {
$changes->{'conserve_memory'} = 0;
if ( $mem_on_system < 2500 ) {
$changes->{'spamd_config'}->{'maxspare'} = 2;
$changes->{'spamd_config'}->{'maxchildren'} = 6;
}
elsif ( $mem_on_system < 4000 ) {
$changes->{'spamd_config'}->{'maxspare'} = 3;
$changes->{'spamd_config'}->{'maxchildren'} = 9;
}
else {
$changes->{'spamd_config'}->{'maxspare'} = 3;
$changes->{'spamd_config'}->{'maxchildren'} = 12;
}
}
return $changes;
}
sub make_changes {
my ( $self, $changes_hr ) = @_;
if ( $changes_hr->{'conserve_memory'} ) {
print '[*] Enabling conserve_memory options... ';
Cpanel::FileUtils::TouchFile::touchfile('/var/cpanel/conserve_memory')
if !$self->{'opts'}->{'dry-run'};
print "Done\n";
}
elsif ( -e '/var/cpanel/conserve_memory' ) {
print '[*] Disabling conserve_memor