📄 Viewing: zz-disk_space

#######################################################
## Copyright (c) 2008 Kirk Bauer
## Covered under the included MIT/X-Consortium License:
##    http://www.opensource.org/licenses/mit-license.php
## All modifications and contributions by other persons to
## this script are assumed to have been donated to the
## Logwatch project and thus assume the above copyright
## and licensing terms.  If you want to make contributions
## under your own copyright or a different license this
## must be explicitly stated in the contribution an the
## Logwatch project reserves the right to not accept such
## contributions.  If you have made significant
## contributions to this script and want to claim
## copyright please contact logwatch-devel@lists.sourceforge.net.
#########################################################

$| = 1;

use POSIX qw(uname);

my (%Config);

my $Debug = $ENV{'LOGWATCH_DEBUG'} || 0;
my $Detail = $ENV{'LOGWATCH_DETAIL_LEVEL'} || 0;
my $logwatch_hostname = $ENV{'LOGWATCH_ONLY_HOSTNAME'};

my $show_home_dir_sizes = $ENV{'show_home_dir_sizes'} || 0;
my $home_dir = $ENV{'home_dir'} || 0;
my $show_mail_dir_sizes = $ENV{'show_mail_dir_sizes'} || 0;
my $mail_dir = $ENV{'mail_dir'} || 0;
my $show_disk_usage = $ENV{'show_disk_usage'} || 0;
my $diskfull_threshhold = $ENV{'diskfull_threshold'} || 90;
my $local_disks_only = $ENV{'local_disks_only'} || 0;

my $df_options;
my $disk_cmd;

my ($OSname, $hostname, $release, $version, $machine) = POSIX::uname();
$hostname =~ s/\..*//;
exit (0) if ($ENV{'LOGWATCH_ONLY_HOSTNAME'} and ($logwatch_hostname ne $hostname));

if ( $Debug >= 5 ) {
	print STDERR "\n\nDEBUG: Inside zz-disk-space Filter \n\n";
	$DebugCounter = 1;
}

sub DirUsage {
	my $Dir = $_[0];
	if ($OSname eq "Linux") {
		system("du -s --block-size=1048576 -h $Dir | sort -n -r -k 1");
	} elsif ($OSname eq "Darwin") {
		system("du -s --block-size=1048576 -h $Dir | sort -n -r -k 1");
	} elsif ($OSname eq "SunOS") {
		if ( ($release eq "5.10") || ($release eq "5.9") || ($release eq "5.11") ) {
		   system("/usr/xpg4/bin/du -s -h $Dir | sort -n -r -k 1");
      } else {
         system("du -s $Dir | sort -n -r -k 1");
      }
	} elsif ($OSname eq "HP-UX") {
		system("du -s -k $Dir | sort -n -r -k 1");
	} elsif ($OSname eq "AIX") {
	 	system("du -s -k $Dir | sort -n -r -k 1");
	} else {
	  	system("du -s -h $Dir | sort -n -r -k 1");
	}
}

sub DirectorySizes
{
	my $Dir = $_[0];
	DirUsage($Dir.'/*');
}

sub HomeDirectorySizes
{
	my $HomeDir = $_[0];
	print "\n\n------------- Home Directory Sizes ---------------\n\n";
	print "Size    Location\n";
	DirectorySizes($HomeDir);
	print "\n\n------------- Home Directory Sizes ---------------\n\n";
}

sub MailDirectorySizes
{
	my $MailDir = $_[0];
	print "\n\n------------- Mail Directory Sizes ---------------\n\n";
	print "Size    Location\n";
	DirectorySizes($MailDir);
	print "\n\n------------- Mail Directory Sizes ---------------\n\n";
}

sub DiskUsage ()
{
	my $Dir = $_[0];
	print "\n\n------------- Directory Sizes ---------------\n\n";
	print "Size    Location\n";

	if ($OSname eq "Linux") {
	 	DirUsage("/var/log");
	 	DirUsage("/usr");
	} elsif ($OSname eq "Darwin") {
		DirUsage("/var/log");
		DirUsage("/usr");
	} elsif ($OSname eq "SunOS") {
		DirUsage("/var/log");
		DirUsage("/usr");
		DirUsage("/opt");
	} elsif ($OSname eq "HP-UX") {
		DirUsage("/var/adm");
		DirUsage("/usr");
		DirUsage("/opt");
	} else {
		DirUsage("/var/log");
		DirUsage("/usr");
		DirUsage("/opt");
	}

	print "\n\n------------- Directory Sizes ---------------\n\n";

}

sub DiskSpace ()
{
	if ($OSname eq "Linux") {
		$df_options = "-h -x tmpfs -x udf -x iso9660";
		if ($local_disks_only) { $df_options .= " -l"; }
	} elsif ($OSname eq "Darwin") {
		$df_options = "-h";
		if ($local_disks_only) { $df_options .= " -l"; }
	} elsif ($OSname eq "SunOS") {
		if ( ($release eq "5.10") || ($release eq "5.9") || ($release eq "5.11") ) {
			$df_options = "-h";
		} 
		if ($local_disks_only) { $df_options .= " -l"; }
	} elsif ($OSname eq "HP-UX") {
		$df_options = "";
		if ($local_disks_only) { $df_options .= " -l"; }
	} elsif ($OSname eq "AIX") {
		$df_options = "";
		if ($local_disks_only) { $df_options .= " -P"; }
	} elsif ($OSname eq "GNU/kFreeBSD") {
		$df_options = "-h -x tmpfs -x udf -x iso9660 -x devfs -x linprocfs -x sysfs -x fdescfs";
		if ($local_disks_only) { $df_options .= " -l"; }
	} else {
		$df_options = "";
		if ($local_disks_only) { $df_options .= " -l"; }
	}

	if ( $ENV{'df_options'} ) {
		$df_options = $ENV{'df_options'};
	};

	if ($OSname eq "Linux") {
		$disk_cmd = "df $df_options";
	} elsif ($OSname eq "Darwin") {
		$disk_cmd = "df $df_options";
	} elsif ($OSname eq "SunOS") {
		$disk_cmd = "/usr/xpg4/bin/df $df_options";
	} elsif ($OSname eq "HP-UX") {
		$disk_cmd = "bdf $df_options";
	} else {
		$disk_cmd = "df $df_options";
	}

	if ( $ENV{'disk_cmd'} ) {
		$disk_cmd = $ENV{'disk_cmd'};
	};

	system($disk_cmd);

	print "\n";
}

sub DiskFull {
   my $o = `$disk_cmd`;
   my @good_rows = ();
   my @rows = split('\n', $o);
   for (my $i=0; $i<scalar(@rows); $i++) {
      my $row = $rows[$i];
      my @fields = split(' ', $row);
      my $filesystem = $fields[0];
      my $use = -1;
      if (scalar(@fields) == 1) {
         # Combine with the next row
         my @new_fields = split(' ', $rows[$i+1]);
         $use = $new_fields[4-1];
         $i++;
      } else {
         $use = $fields[4];
      }
      $use =~ s/%//;
      if (($use > $diskfull_threshhold) && ($filesystem !~ /\/dev\/scd/ ) && ($filesystem !~ /\/dev\/sr/ )
          && ($filesystem !~ /\/dev\/loop./))
      {
         print "$filesystem => $use% Used. Warning. Disk Filling up.\n";
      }
   }
}

#####################
#Main

#Only show disk space "df" by default -mgt
DiskSpace() if (($ENV{PRINTING} eq 'y') or $Detail);

if ( $show_disk_usage == 1 ) { DiskUsage(); }; #Turn on in zz-disk_space.conf

if (($Detail > 10) || ($show_home_dir_sizes == 1)) { #set in zz-disk_space.conf -mgt
	HomeDirectorySizes($home_dir);
}

if (($Detail > 10) || ($show_mail_dir_sizes == 1)) { #set in zz-disk_space.conf -mgt
	MailDirectorySizes($mail_dir);
}

if ($diskfull_threshhold > 0) {
	DiskFull();
}

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