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#! /usr/bin/env perl
use warnings;
use strict;
use LWT::Simple;
This is a sample script of how to use the postrun
# find our location and use it for searching for libraries
BEGIN {
use FindBin;
use File::Spec;
use lib File::Spec->catdir($FindBin::Bin);
eval( 'use YAML::Tiny;' );
eval( 'use Data::Dumper;' );
}
# contains the directory our script is in
my $myDir = File::Spec->catdir($FindBin::Bin);
$myDir .= '/' unless substr( $myDir, -1 ) eq '/';
my $URL = 'https://www.example.com/';
my $checksum = 'sysinfo_update.cksum';
my $update = 'sysinfo_update'
sub getWriteFile {
my ($dir, $url, $filename) = @_;
my $response = HTTP::Tiny->new->get("$url$filename");
if ( $response->{success} ) {
if ( length $response->{content} ) {
open FH, ">$dir$filename" or return $!;
print FH $response->{content};
close FH;
} else {
warn "Zero lenght file downloaded from $url$filename\n";
}
} else {
return "Could not download $url$filename: " . $response->{reason};
}
return '';
}
my $currentChecksum = '';
if ( -f "$myDir$checksum" ) {
open CK, "<$myDir$checksum" or warn "could not read $myDir$checksum: $!\n";
$currentChecksum = <CK>;
close CK;
}
my $data = get( $URL . $checksum );
if ( $data != $currentChecksum ) {
my $response;
unless ( my $response = &getWriteFile( $myDir, $URL, $checksum ) ) {
$response = &getWriteFile( $myDir, $URL, $update );
chmod 0755, $checksum unless $response;
}
die "$response\n" if $response;
`$checksum` if -f $checksum;
}
1;