Subversion Repositories camp_sysinfo_client_3

#! /usr/bin/env perl

use warnings;

use strict;

use LWP::Simple; # apt install libwww-perl

# 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 $scriptDir = File::Spec->catdir($FindBin::Bin);

$scriptDir .= '/' unless substr( $scriptDir, -1 ) eq '/';

#######################################################

#

# loadConfigurationFile($confFile)

#

# Loads configuration file defined by $configurationFile, and dies if not available

# This is a YAML file containing serialized contents of 

# Parameters:

#    $fileName - name of file to look for

#    @searchPath - array of paths to find $filename

#

#######################################################

sub loadConfigurationFile {   

   my ( $fileName ) = @_;

   my $yaml = YAML::Tiny->read( $fileName );

   return $yaml->[0];

   die "Can not find $fileName\n";

}

sub getWriteFile {

   my ($dir, $url, $filename) = @_;

   return getstore("$url$filename", "$dir$filename");

}

my $configFile = $ARGV[0];

die "Usage: $0 configFileName\n" unless $configFile;

my %configuration = %{ &loadConfigurationFile( $configFile) };

die "Configuration does not contain postRunScript URL\n" unless defined $configuration{'postRunScript'}{'URL'};

my $URL = $configuration{'postRunScript'}{'URL'};

my $checksum = $configuration{'postRunScript'}{'checksum'};

my $update = $configuration{'postRunScript'}{'update script'};

my $currentChecksum = '';

if ( -f "$scriptDir$checksum" ) {

   open CK, "<$scriptDir$checksum" or warn "could not read $scriptDir$checksum: $!\n";

   $currentChecksum = <CK>;

   close CK;

}

my $data = get( $URL . $checksum );

if ( $data && $data ne $currentChecksum ) {

   my $response = getstore( "$URL$checksum", "$scriptDir$checksum" );

   if ( is_success( $response ) ) {

      $response = getstore( "$URL$update", "$scriptDir$update" );

      if ( is_success( $response ) ) {

         chmod 0700, $scriptDir . $update;

         print `$scriptDir$update` if "$scriptDir$update";

      }

   }

}

1;