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64 rodolico 1 
#! /usr/bin/env perl
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use warnings;
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use strict;
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use Data::Dumper;
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my %allDrives;
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# create a hash with the keys having values ada0, da0, etc
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# comment/uncomment one of the three lines below
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# manually enter the drives to look at
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# %allDrives = map { $_ => 0 } qw/ada0 da0 da1 da2 da3 da4 da5 da6 da7 da8 da9/;
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# automagically find the drives on a BSD system
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# %allDrives = map { &trim($_) => 0 } `geom disk list | grep 'Geom name:' | cut -d':' -f 2`;
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# automagically find the drives on a Linux system
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#%allDrives = map { &trim($_) => 0 } `lsblk | grep disk | cut -d' ' -f1`;
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# if getSmart.cfg exists, read it
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# note, you can create this with smartctl --scan > getSmart.cfg, then edit
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# to remove drives you don't want.
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if -e 'getSmart.cfg' {
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   %allDrives = read getSmart.cfg
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} else {
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   %allDrives = map { &trim($_) => 0 } `smartctl --scan`;
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}
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sub trim {
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 my $value = shift;
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 chomp $value;
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 if ( $value =~ m/^([^#]*)/ ) {
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   $value = $1;
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 }
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 $value =~ s/^\s+|\s+$//g;
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 return $value;
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}
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sub getSmartReport {
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   my $drive = shift;
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   my @report = `smartctl -a /dev/$drive`;
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   return @report;
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}
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sub getTotalWrites {
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 my @report = @_;
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 return -2 unless grep{ /(Solid State Device)|(SSD)/ } @report;
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 my @temp = grep{ /^Sector Size:/ } @report;
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 my $sectors = shift @temp;
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#   print "The Value is [$sectors]\n"; die;
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 if ( $sectors =~ m/^Sector Size\:\s+(\d+)\s+bytes/ ) {
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    $sectors = $1;
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    # print "Sectors is $sectors\n"; die;
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    @temp =  grep{ /^241/ } @report;
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    my $lbas = $temp[0];
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    if ( $lbas =~ m/(\d+)\s*$/ ) {
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       $lbas = $1;
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       return $lbas * $sectors;
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    } else {
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       return -3;
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    }
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 } else {
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    return -4;
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 }
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 return -1; # we could not find something
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}
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sub getInformation {
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   my @report = @_;
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   my %info;
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   my %keys = (
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                  'Model Family:'  => {
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                                          'tag' => 'Make',
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                                          'regex' => '(.*)'
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                                      },
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                  'Device Model:'  => {
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                                          'tag' => 'Model',
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                                          'regex' => '(.*)'
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                                      },
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                  'Serial Number:' => {
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                                          'tag' => 'Serial',
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                                          'regex' => '(.*)'
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                                      },
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                  'User Capacity:' => {
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                                          'tag' => 'Capacity',
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                                          'regex' => '([0-9,]+)'
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                                      },
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                  'Sector Size:'   => {
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                                          'tag' => 'Sector',
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                                          'regex' => '(\d+)'
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                                      },
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                  'Rotation Rate:' => {
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                                          'tag' => 'Rotation',
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                                          'regex' => '(.*)'
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                                      },
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                  'Power_On_Hours' => {
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                                           'tag' => 'Hours',
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                                           'regex' => ' (\d+)\s*$'
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                                      },
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                  'Error Count:' => {
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                                           'tag' => 'Errors',
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                                           'regex' => 'Error Count: (\d+)'
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                                      },
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               );
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   foreach my $key ( keys %keys ) {
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      my @temp = grep { /^$key/ } @report;
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      if ( @temp ) {
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         $temp[0] =~ m/^$key\s+(.*)$/;
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         my $value = $1;
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         $value =~ m/$keys{$key}->{'regex'}/;
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         $info{$keys{$key}->{'tag'}} = $1;
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      }
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   }
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   # remove comma's from capacity
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   $info{'Capacity'} =~ s/,//g if $info{'Capacity'};
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   return \%info;
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}
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# output the drives and information as tab delimited,
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foreach my $thisDrive ( sort keys %allDrives ) {
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 print "$thisDrive\n";
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 my @report = &getSmartReport( $thisDrive );
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 my $writes = &getTotalWrites( @report );
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 my $info = &getInformation( @report );
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 $info->{'writes'} = $writes if $writes > 0;
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 print Dumper( $info );
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 #print "$thisDrive\t" . $allDrives{$thisDrive} . "\n" if $allDrives{$thisDrive} > 0;
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}
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