#
# (c) Jan Gehring <jan.gehring@gmail.com>
#
# vim: set ts=3 sw=3 tw=0:
# vim: set expandtab:
=head1 NAME
Rex::Commands::MD5 - Calculate MD5 sum of files
=head1 DESCRIPTION
With this module you calculate the md5 sum of a file.
=head1 SYNOPSIS
my $md5 = md5($file);
=head1 EXPORTED FUNCTIONS
=over 4
=cut
package Rex::Commands::MD5;
use strict;
use warnings;
use Rex::Logger;
require Rex::Commands;
use Rex::Interface::Exec;
use Rex::Interface::File;
use Rex::Interface::Fs;
use Rex::Helper::Path;
require Rex::Exporter;
use base qw(Rex::Exporter);
use vars qw(@EXPORT);
@EXPORT = qw(md5);
=item md5($file)
This function will return the md5 sum (hexadecimal) for the given file.
task "md5", "server01", sub {
my $md5 = md5("/etc/passwd");
};
=cut
sub md5 {
my ($file) = @_;
my $fs = Rex::Interface::Fs->create;
if($fs->is_file($file)) {
Rex::Logger::debug("Calculating Checksum (md5) of $file");
my $script = q|
use Digest::MD5;
print Digest::MD5::md5_hex(<>) . "\n";
|;
my $rnd_file = get_tmp_file;
my $fh = Rex::Interface::File->create;
$fh->open(">", $rnd_file);
$fh->write($script);
$fh->close;
my $exec = Rex::Interface::Exec->create;
my $md5;
if(Rex::is_local() && $^O =~ m/^MSWin/) {
$md5 = $exec->exec("perl $rnd_file \"$file\"");
}
else {
$md5 = $exec->exec("perl $rnd_file '$file'");
}
unless($? == 0) {
($md5) = split(/\s/, $exec->exec("md5sum '$file'"));
}
unless($? == 0) {
Rex::Logger::info("Unable to get md5 sum of $file");
die("Unable to get md5 sum of $file");
}
Rex::Interface::Fs->create->unlink($rnd_file);
Rex::Logger::debug("MD5SUM ($file): $md5");
$md5 =~ s/[\r\n]//gms;
return $md5;
}
else {
Rex::Logger::debug("File $file not found.");
die("File $file not found");
}
}
=back
=cut
1;