Subversion Repositories camp_sysinfo_client_3

#!/usr/bin/env perl
use warnings;
use strict;  

# Description: Use smartctl to get disk information

our $VERSION = '1.0';

# R. W. Rodolico
# grabs smart readings from all drives in system

BEGIN {
   push @INC, shift;
}

use library;

exit 0 unless checkDate( 'w' ); # run this only on Mondays

sub trim {
 my $value = shift;
 $value =~ s/^\s+|\s+$//g;
 return $value;
}

sub getSmartReport {
   my $drive = shift;
   my @report = `smartctl -a /dev/$drive`;
   return @report;
}


sub getTotalWrites {
 my @report = @_;
 return -2 unless grep{ /(Solid State Device)|(SSD)/ } @report;
 my @temp = grep{ /^Sector Size:/ } @report;
 my $sectors = shift @temp;
#   print "The Value is [$sectors]\n"; die;
 if ( $sectors =~ m/^Sector Size\:\s+(\d+)\s+bytes/ ) {
    $sectors = $1;
    # print "Sectors is $sectors\n"; die;
    @temp =  grep{ /^241/ } @report;
    my $lbas = $temp[0];
    if ( $lbas =~ m/(\d+)\s*$/ ) {
       $lbas = $1;
       return $lbas * $sectors;
    } else {
       return -3;
    }
 } else { 
    return -4; 
 }
 return -1; # we could not find something
}

sub getInformation {
   my @report = @_;
   my %info;
   my %keys = ( 
                  'Model Family:'  => { 
                                          'tag' => 'Make',
                                          'regex' => '(.*)'
                                      },
                  'Device Model:'  => { 
                                          'tag' => 'Model',
                                          'regex' => '(.*)'
                                      },
                  'Serial Number:' => { 
                                          'tag' => 'Serial',
                                          'regex' => '(.*)'
                                      },
                  'User Capacity:' => { 
                                          'tag' => 'Capacity',
                                          'regex' => '([0-9,]+)'
                                      },
                  'Sector Size:'   => { 
                                          'tag' => 'Sector Size',
                                          'regex' => '(\d+)'
                                      },
                  'Rotation Rate:' => { 
                                          'tag' => 'Rotation',
                                          'regex' => '(.*)'
                                      }
               );
   foreach my $key ( keys %keys ) {
      my @temp = grep { /^$key/ } @report;
      if ( @temp ) {
         $temp[0] =~ m/^$key\s+(.*)$/;
         my $value = $1;
         $value =~ m/$keys{$key}->{'regex'}/;
         $info{$keys{$key}->{'tag'}} = $1;
      }
   }
   # remove comma's from capacity
   $info{'Capacity'} =~ s/,//g if $info{'Capacity'};
   return \%info;
}



# category we will use for all values found
# see sysinfo for a list of valid categories
my $CATEGORY = 'system';

# run the commands necessary to do whatever you want to do
# The library entered above has some helper routines
# validCommandOnSystem -- passed a name, returns the fully qualified path or '' if it does not exist
# cleanUp - passed a delimiter and a string, does the following (delimiter can be '')
#           chomps the string (removes trailing newlines)
#           removes all text BEFORE the delimiter, the delimiter, and any whitespace
#           thus, the string 'xxI Am x  a weird string' with a newline will become
#           'a weird string' with no newline

# now, return the tab delimited output (to STDOUT). $CATEGORY is the first
# item, name as recognized by sysinfo is the second and the value is
# the last one. For multiple entries, place on separate lines (ie, newline separated)

# check for commands we want to run
my %commands = ( 
                  'smartctl' => '',
                  'geom'     => '',
                  'lsblk'    => '',
               );

# check the commands for validity
foreach my $command ( keys %commands ) {
   $commands{$command} = &validCommandOnSystem( $command );
}

$commands{'getDrives'} = $commands{ 'lsblk' } ? $commands{'lsblk'} . " | grep disk | cut -d' ' -f1" :
                                  ( $commands{'geom'} ? $commands{'geom'} . " disk list | grep 'Geom name:' | cut -d':' -f 2" : '' );
   
# bail if we don't have the commands we need
exit 1 unless $commands{'getDrives'} and $commands{'smartctl'};

# Get all the drives on the system
my %allDrives = map { &trim($_) => 0 } `$commands{'getDrives'}`;


# output the drives and information as tab delimited,
foreach my $thisDrive ( sort keys %allDrives ) {
 print "$thisDrive\n";
 my @report = &getSmartReport( $thisDrive );
 my $writes = &getTotalWrites( @report );
 my $info = &getInformation( @report );
 $info->{'writes'} = $writes if $writes > 0;
 #print Dumper( $info );
 foreach my $key ( keys %$info ) {
    print "$CATEGORY\t$thisDrive $key\t" . $info->{$key} . "\n";
 }
}

exit 0;