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Diff for /loncom/build/Attic/CHECKRPMS.default between versions 1.1 and 1.5

version 1.1, 2002/05/01 17:01:18 version 1.5, 2002/09/05 18:09:54
Line 1 Line 1
 #!/usr/bin/perl  #!/usr/bin/perl
   
 my $RHversion = (split /\s/, `cat /etc/redhat-release`)[4];  =pod
 my $FTPSERVER;  
 `ping -q -c 1 mirror.pa.msu.edu 2>/dev/null`;  =head1 NAME
 if (!$FTPSERVER and $?==0) {  
     `ncftpls ftp://mirror.pa.msu.edu`;  B<CHECKRPMS> - automated status report about RPMs on a system
     if ($?==0) {  
  $FTPSERVER="mirror.pa.msu.edu";  =head1 SYNOPSIS
    $FTPUPDATES="mirror.pa.msu.edu/linux/redhat/linux/updates/$RHversion/en/os";  
     }  ./CHECKRPMS
 }  
 `ping -q -c 1 rufus.w3.org 2>/dev/null`;  or
 if (!$FTPSERVER and $?==0) {  
     `ncftpls ftp://rufus.w3.org`;  perl CHECKRPMS
     if ($?==0) {  
  $FTPSERVER="rufus.w3.org";  =head1 DESCRIPTION
  $FTPUPDATES="rufus.w3.org/linux/redhat/updates/$RHversion/en/os";  
     }  This file automates the usage of Martin Siegert's "check-rpms"
 }  script.  It runs through a list of possible mirror sites
 if (!$FTPSERVER) {  until it finds one with a reasonably good FTP connection.
     print "Cannot find a working ftp server.\n";  
 }  =head2 Future directions
 print "Using $FTPSERVER for ftp transaction...(please be patient)\n";  
 my @rpms=`perl loncom/build/check-rpms -ftp $FTPUPDATES`;  Eventually, this script may have a simple argument format
 if (@rpms) {  that allows the user to VIEW, DOWNLOAD, or AUTOUPDATE their
     my $rpm_count=scalar(@rpms);  computer.  Or, this script may evolve into an interactive
     print(<<END);  series of steps:  For example, there may be questions like this:
 **** WARNING **** You need to update at least $rpm_count RPMS shown in   
   =over 4
   
   =item *
   
   Do you want to (D)ownload or (A)utoupdate the RPMs
   in the list above?
   
   =item *
   
   Specify a download location for the RPMs
   (default=/tmp/update_my_rpms/)?
   
   =back
   
   Note that there are no current plans to automate a software upgrade of the
   kernel.  This step should be performed by a qualified system administrator.
   
   =head1 AUTHOR
   
   Scott Harrison, sharrison@users.sourceforge.net, 2002
   
   =cut
   
   # =================================================== READ IN COMMAND ARGUMENTS
   # ---------------------------------------------------- Process download option.
   my $download=shift(@ARGV);
   if ($download eq '--download')
     {
       if ($< != 0) # Download mode requires 'root'.
         {
           print('**** ERROR **** Download mode needs to be run as root'."\n");
    exit(1); # Exit with error status.
         }
       `rm -Rf /tmp/loncapa_rpm_updates`;
       $download='-v -dl -d /tmp/loncapa_rpm_updates'; # Part of check-rpms args.
     }
   else
     {
       $download='';
     }
   
   # =================================================== GENERAL INITIAL VARIABLES
   # ---------------- The FTP servers (and their directory paths) to check against
   my @serverpaths_to_try = 
     (
       'mirror.pa.msu.edu/linux/redhat/linux/updates/',
       'rufus.w3.org/linux/redhat/linux/updates/',
       'distro.ibiblio.org/pub/linux/distributions/redhat/updates/',
       'limestone.uoregon.edu/redhat/updates/',
       'opnsrc.support.compaq.com/linux/redhat/updates.redhat.com/',
     );
   
   # --------------------------------------------------- Determine RedHat version.
   my $RHversion = (split /\s/, `cat /etc/redhat-release`)[4]; # - 6.2 or 7.3 or ?
   
    # ------------------------------------------- Use check-rpms command this way.
   my $checkcommand = 'check-rpms '.$download.' --rpmuser www -ftp';
   
   my $FTPSERVER; # ------------------------- the server portion of the serverpath
   my $FTPUPDATES; # ----------------------------- the actual update root location
   my @rpms; # ---------------------------------- this will store the list of RPMs
   my $goodoutput; # ------------------------------------ good stuff was returned!
   my $reallygoodoutput; # ------------------------------- you are 100% up-to-date
   
   # ----------------------------------------- Find the check-rpms script location
   if (-e './check-rpms')
     {
       $commandpre='perl ./'; # Use the check-rpms in the current directory.
     }
   elsif (-e 'loncom/build/check-rpms')
     {
       $commandpre='perl loncom/build/'; # Use check-rpms int he loncom/build dir.
     }
   else # Cannot find check-rpms, so abort.
     {
       die("**** ERROR **** CANNOT FIND THE check-rpms SCRIPT\n");
     }
   
   # Define the overall check-rpms invocation based on the path to the check-rpms
   # command.
   $checkcommand = $commandpre.$checkcommand;
   
   # ============== Go through all the servers until a decent connection is found.
   # Notify user of current action.
   print(<<END);
   THIS SCRIPT IS NOW PROBING SEVERAL FTP SERVERS....
   PLEASE BE PATIENT, THIS MAY TAKE A FEW MINUTES.
   END
   
   SERVERLOOP: foreach my $serverpath (@serverpaths_to_try)
     {
       $serverpath=~/^(.*?)\//; # Pattern match the ip name.
       $FTPSERVER=$1; # Set to the ip name.
       print "Trying $FTPSERVER...\n"; # Notify user of attempts with the ip name.
       `ping -c 1 $FTPSERVER 2>/dev/null`; # Ping ftp server (are you out there?).
       if ($?==0) # If the ftp server can be pinged.
         {
    print "$FTPSERVER found...\n"; # Tell user the ftp server is found.
    `ncftpls ftp://$FTPSERVER`; # Try to access server with ftp protocol.
    if ($?==0) # If the ftp server can be accessed with the ftp protocol.
             {
       $FTPUPDATES="$serverpath$RHversion/en/os"; # The full update path.
       # Print the check-rpms command that will be executed.
       print($checkcommand.' '.$FTPUPDATES."\n");
       if ($download) # Was CHECKRPMS run in download mode?
                 {
    $|=1; # Try to send things immediately to stdout; err umm....
    # Tell the user about the /tmp/loncapa_rpm_updates directory.
    print('**** NOTE ****'.
         'To check the status of the download, you can '.
         'periodically inspect the contents of the '.
         '/tmp/loncapa_rpm_updates directory.  '.
         'Please be patient; this download may take a while.'.
         "\n");
    # Do the download.
    print(`$checkcommand $FTPUPDATES 2>\&1`);
    # Tell the user about what action they need to take with the
    # downloaded RPMs.
    print('You may now wish to visit the /tmp/loncapa_rpm_updates'.
         ' directory and upgrade the RPMs.  '."\n".
         'If this is a critical server (it is currently being'.
         ' used for classes) and you do not know how to upgrade'.
         ' RPMs, you should consult someone who has experience '.
         'with the "rpm" command.'."\n");
    exit(0); # Assume everything is okay and exit.
         }
       @rpms=`$checkcommand $FTPUPDATES 2>\&1`; # Read in list of RPMs.
       # Create a text string that can be pattern matched.
       my $rpmtext=join('',@rpms);
       if ($rpmtext=~/You do not seem to have a/) # No www?
                 {
    print "You do not have a 'www' user on your system.\n".
       "Please add this user and try this command again.\n";
    exit(1);
         }
       if ($rpmtext=~/This account is currently not/) # ------------ uh-oh
         {
    print "...strange error, moving on ($FTPSERVER)\n";
         }
       else # --------------------------------------- the output is "good"
         {
    $goodoutput=$rpmtext;
    unless (@rpms) # If there are no RPMs to update.
     {
       $reallygoodoutput=<<END;
   **** NOTE **** All RPMS on your system appear to be up to date.
   END
     }
    last SERVERLOOP;
         }
     }
    print('...cannot establish an ftp session with '.$FTPSERVER."\n");
         }
       else
         {
    print "...cannot find $FTPSERVER on the network\n";
         }
     }
   if (!$goodoutput) # If never received any useable output, assume "no server".
     {
       print "**** ERROR **** Cannot find a working ftp server.\n";
       exit(1);
     }
   elsif ($reallygoodoutput) # Everything is peachy keen and up-to-date already.
     {
       print $reallygoodoutput;
     }
   else # There are RPMs that need to be updated; show list to user.
     {
       my $rpmcount=scalar(@rpms); # Count up size of RPM list.
       print(<<END); # Print out an advisory warning to user.
   **** WARNING **** You need to update at least $rpmcount RPMS shown in
 the list below.  THIS IS IMPORTANT FOR SECURITY.  the list below.  THIS IS IMPORTANT FOR SECURITY.
   
 END  END
     print join("\n",map {chomp;$_} @rpms)."\n";      print $goodoutput; # Output the RPM list.
     print(<<END);      print(<<END); # Output instructions to user about taking action.
   
 Please visit ftp://$FTPUPDATES  Please visit ftp://$FTPUPDATES
 and download the RPMS you need.  and download the RPMS you need.
 For instructions on working with (and upgrading) RPMS, please  For instructions on working with (and upgrading) RPMS, please
 visit http://www.rpm.org/max-rpm/.  visit http://www.rpm.org/max-rpm/.
   To automatically download these RPMs to /tmp/loncapa_rpm_updates/,
   run the CHECKRPMS command as "./CHECKRPMS --download"
 END  END
 }    }
 else {  
     print(<<END);  
 **** NOTE **** All RPMS on your system appear to be up to date.  
 END  
 }  
Removed from v.1.1  
changed lines
  Added in v.1.5

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