Edit C:\dspace\bin\dspace-info.pl

#!/usr/bin/env perl
#
# The contents of this file are subject to the license and copyright
# detailed in the LICENSE and NOTICE files at the root of the source
# tree and available online at
#
# http://www.dspace.org/license/
#

# Simple script to check some DSpace site statistics, such
#  as the size of key directories, counts of significat DSpace
#  objects, etc.
#
# No arguments, just run dspace-info.pl

use strict;
use File::Find;
use Cwd 'abs_path', 'realpath';
use File::Basename 'dirname';

##################################################
# CONFIGURE THESE VARIABLES TO MATCH YOUR SETUP! #
##################################################

# where is DSpace installed?
my $dspace_dir = realpath(dirname(abs_path($0)).'/..');

# find DSpace directories ###################

my $assetstore_dir = GetConfigParameter( "assetstore.dir" );
my $search_dir     = GetConfigParameter( "search.dir"     );
my $logs_dir       = GetConfigParameter( "log.dir"        );
my $db_name        = GetConfigParameter( "db.url"         );
$db_name           =~ s/.*\///;

# directories in this array are to be checked for ownership by
# the dspace user
my @dspace_ownership_dirs = ( $assetstore_dir );

# directories in this array are to be checked for zero-length files
my @zerolength_dirs = ( $assetstore_dir );

# error out if cannot locate above directories
die "Cannot find dspace directory tree $dspace_dir - edit dspace-info.pl 'dspace_dir' variable with correct path"     if( ! -d $dspace_dir   );

#############################################
# Begin statistics ##########################
#############################################

# count DSpace objects ######################

my $bitstream_count     = CountRows( "bitstream"     );
my $bundle_count        = CountRows( "bundle"        );
my $collection_count    = CountRows( "collection"    );
my $community_count     = CountRows( "community"     );
my $dcvalue_count       = CountRows( "dcvalue"       );
my $eperson_count       = CountRows( "eperson"       );
my $item_count          = CountRows( "item"          );
my $handle_count        = CountRows( "handle"        );
my $group_count         = CountRows( "epersongroup"  );
my $workflowitem_count  = CountRows( "workflowitem"  );
my $workspaceitem_count = CountRows( "workspaceitem" );

# find sizes of dspace directories ##########

my $assetstore_size = DirectorySize( $assetstore_dir );
my $search_size     = DirectorySize( $search_dir     );
my $logs_size       = DirectorySize( $logs_dir       );

# look for missing logos ####################
my @communities_without_logos = FindCommunitiesWithoutLogos();
my @collections_without_logos = FindCollectionsWithoutLogos();

# look for deleted bitstreams
my @deleted_bitstreams        = FindDeletedBitstreams();

# look for empty groups
my @empty_groups = FindEmptyGroups();

# look at subscriptions ####################
my @subscribed_collections       = FindSubscribedCollections();
my $subscribed_collections_count = $#subscribed_collections + 1;
my $subscription_count           = CountRows( "subscription" );
my @subscribers                  = FindSubscribers();
my $subscriber_count             = $#subscribers + 1;

# how big is each collection? ############
my @collection_sizes             = FindCollectionSizes();

############################################
# display report ###########################
############################################

print "DSpace site statistics for site: '" . GetConfigParameter("dspace.name") . "'\n";
print "Date: " . localtime() . "\n";
print "\n"; 
print "Size of Important Directories:\n";
SizeReport("Asset store:",      $assetstore_size);
SizeReport("Search Directory:", $search_size    );
SizeReport("Logs Directory:",   $logs_size      );
print "\n";
print "\n";
print "Counts of Important DSpace Objects:\n";
NumberReport("EPeople:",     $eperson_count   );
NumberReport("Communities:", $community_count );
NumberReport("Collections:", $collection_count);
NumberReport("Items:",       $item_count      );
print "\n";
NumberReport("Bundles:",               $bundle_count       );
NumberReport("Bitstreams:",            $bitstream_count    );
NumberReport("Dublin Core Elements:",  $dcvalue_count      );
NumberReport("EPerson Groups:",        $group_count        );
NumberReport("Handles:",               $handle_count       );
NumberReport("Submissions Active:",    $workspaceitem_count);
NumberReport("Workflows Active:",      $workflowitem_count );
print "\n";
NumberReport("Subscriptions:",         $subscription_count );
NumberReport("Subscribers:",           $subscriber_count   );
NumberReport("Subscribed Collections:", $subscribed_collections_count);
print "\n";

print "Potential Problems:\n";

sub SizeReport
{
    my $string = shift;
    my $size   = shift;
    
    print "\t".FormatText($string).FormatSize($size)."\n";
}

sub NumberReport
{
    my $string = shift;
    my $number = shift;
    
    print "\t".FormatText($string).FormatNumber($number)."\n";
}

print "Collection sizes:\n";
# sorted, of course
foreach( sort { (split/\|/,$b)[1] <=> (split/\|/,$a)[1] } @collection_sizes )
{
    my ($name, $size) = split /\|/;

# spruce up the strings a bit
    $size = FormatSize( $size );

# pad length of name string to right w/spaces
    $name = FormatText( $name );  
    
    print "\t$name\t$size\n";
}
print "\n";

# only show problems if they exist! ######

if( $deleted_bitstreams[0] > 0 )
{
    NumberReport("Deleted bitstreams:",         $deleted_bitstreams[0]);
    SizeReport  ("Size of deleted bitstreams:", $deleted_bitstreams[1]);
    print "\n";
}
if( $#communities_without_logos >= 0 )
{
    my $count = $#communities_without_logos + 1;

print "  Communities without Logos:  $count\n";
    foreach( @communities_without_logos )
    {
        my ($id, $name) = split /\|/;
        print "\t$id\t$name\n";
    } 
    print "\n";
}

if( $#collections_without_logos >= 0 )
{
    my $count = $#collections_without_logos + 1;

print "  Collections without Logos:  $count\n";
    foreach( @collections_without_logos )
    {
        my ($id, $name) = split /\|/;
        print "\t$id\t$name\n";
    } 
    print "\n";
}

if( $#empty_groups >= 0 )
{
    my $count = $#empty_groups + 1;

print "  Empty Groups:  $count\n";
    foreach( @empty_groups )
    {
        my ($id, $name) = split /\|/;
        print "\t$id\t$name\n";
    }
    print "\n";
}

# check ownership - check the jsp and asset store directories
#  for ownership issues - be sure to run this script as the dspace user

find( \&CheckOwnership, @dspace_ownership_dirs );

# check for zero-length files
# (big deal in asset store)

find( \&CheckZeroLength, @zerolength_dirs );

################################################
# subroutines ##################################
################################################

sub CheckOwnership
{
    my $filename = $File::Find::name;

if( ! -o $filename ) { print "Warning! DSpace user isn't owner of: $filename\n"; }
}

sub CheckZeroLength
{
    my $filename = $File::Find::name;

# skip if not a file
    next if( ! -f $filename );

if( -z $filename ) { print "Warning! Zero-length file: $filename\n"; }
}

sub CountRows
{
    my $tablename = shift;
    my $arg = "SELECT COUNT(*) from $tablename";

my @results = ExecuteSQL( $arg );

# make sure it's a number
    return 0 + $results[0];
}

# get a value from the dspace.cfg file
#  only gets the first match!
sub GetConfigParameter
{
    my $dirname = shift;
    my $return_value = "";

open CONFIG, "grep $dirname $dspace_dir/config/dspace.cfg |";

my $result = <CONFIG>;

#    chomp $result;

if( $result =~ m/^.+\s*=\s*(.*)\s*$/ )
    {
       $return_value = $1;
    }

close CONFIG;

$return_value =~ s/\$\{dspace.dir\}/$dspace_dir/g;

return $return_value;
}

# process a directory and find the size of all of its files
#  in megabytes
sub DirectorySize
{
    my $directory = shift;
   
    my $sum = 0;

find sub { $sum += -s }, $directory;

return $sum;
}

# find collection sizes
sub FindCollectionSizes
{
    my $arg =
        "SELECT c1.name, SUM(bs.size_bytes) FROM " .
            "collection c1, collection2item c2i1, item2bundle i2b1, " .
            "bundle2bitstream b2b1, bitstream bs " .
        "WHERE " .
            "c1.collection_id=c2i1.collection_id AND " .
            "c2i1.item_id=i2b1.item_id AND " .
            "i2b1.bundle_id=b2b1.bundle_id AND " .
            "b2b1.bitstream_id=bs.bitstream_id " .
        "GROUP BY c1.name";

return ExecuteSQL( $arg );
}

# find subscribed to collections, return results
sub FindSubscribedCollections
{
    my $arg = "SELECT DISTINCT ON (collection_id) collection_id FROM subscription";

return ExecuteSQL( $arg );
}

# find all subscribers
sub FindSubscribers
{
    # FIXME - DISTINCT ON is non-standard SQL
    my $arg = "SELECT DISTINCT ON (eperson_id) eperson_id FROM subscription";

return ExecuteSQL( $arg );
}

# find communities with no logos - return id, name
sub FindCommunitiesWithoutLogos
{
    my $arg = "SELECT community_id, name FROM community WHERE logo_bitstream_id IS NULL";

return ExecuteSQL( $arg );
}

# find collections with no logos - return id, name
sub FindCollectionsWithoutLogos
{
    my $arg = "SELECT collection_id, name FROM collection WHERE logo_bitstream_id IS NULL";

return ExecuteSQL( $arg );
}

# find bitstreams with no policies
sub FindBitstreamsWithoutPolicies
{
    my $arg = "SELECT bitstream_id FROM bitstream WHERE deleted<>true AND bitstream_id NOT IN (SELECT resource_id FROM resourcepolicy WHERE resource_type_id=0)";

return ExecuteSQL( $arg );
}

# find empty eperson groups
sub FindEmptyGroups
{
    my $arg = "SELECT eperson_group_id, name from epersongroup WHERE eperson_group_id NOT IN (SELECT eperson_group_id FROM epersongroup2eperson)";

return ExecuteSQL( $arg );
}

sub FindDeletedBitstreams
{
    my $arg = "SELECT COUNT(*) from bitstream where deleted=true";
    my @deleted_count = ExecuteSQL( $arg );

$arg = "SELECT SUM(size_bytes) from bitstream where deleted=true";
    my @deleted_size = ExecuteSQL( $arg );

return ($deleted_count[0], $deleted_size[0]);
}

# given a string, pad it right to the correct width
sub FormatText
{
    my $string = shift;

return pack("A50",$string);  
}

# size comes in as bytes, is returned as padded MB number
sub FormatSize
{
    my $size = shift;

$size = (int($size/(1024*1024)*10))/10;
    $size = sprintf("%10s", $size);

return "$size MB";
}

# given an arbitrary number, format it padded left
sub FormatNumber
{
    my $number = shift;
    
    return sprintf("%10s", $number);
}

# other possibilities
#  orphaned bundles
#  orphaned bitstreams
#  orphaned items
#  orphaned collections

# execute SQL, return array of results 
sub ExecuteSQL
{
    my $arg = shift;

# do the SQL statement
    open SQLOUT, "psql -d $db_name -A -c '$arg' | ";

# slurp up the results
    my @results = <SQLOUT>;
    chomp( @results );
    close SQLOUT;

# remove first and last rows
    pop @results;
    shift @results;

return @results;
}

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