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Diff for /loncom/build/Attic/CHECKRPMS.default between versions 1.2 and 1.7

version 1.2, 2002/08/03 17:06:21 version 1.7, 2002/09/09 15:04:48
Line 8  B<CHECKRPMS> - automated status report a Line 8  B<CHECKRPMS> - automated status report a
   
 =head1 SYNOPSIS  =head1 SYNOPSIS
   
 ./CHECKRPMS  ./B<CHECKRPMS> [I<modeflag>]
   
 or  or
   
 perl CHECKRPMS  B<perl> B<CHECKRPMS> [I<modeflag>]
   
   If I<modeflag> is left blank, the mode is "interactive".  Otherwise,
   other modes can be specified as shown in the listing below:
   
   =over 4
   
   
   
   =back
   
 =head1 DESCRIPTION  =head1 DESCRIPTION
   
Line 50  Scott Harrison, sharrison@users.sourcefo Line 59  Scott Harrison, sharrison@users.sourcefo
   
 =cut  =cut
   
 # =================================================== GENERAL INITIAL VARIABLES  # ================================================== READ IN COMMAND ARGUMENTS.
   
   # ---------------------------------------------------- Process download option.
   my $argument = shift(@ARGV);
   my $document;
   my $mode;
   if ($argument eq '--download' or $argument eq '--redownload')
     {
       if ($< != 0) # Download mode requires 'root'.
         {
           print($out
         '**** ERROR **** Download mode needs to be run as root'."\n");
    exit(0); # Exit.
         }
       `rm -Rf /tmp/loncapa_rpm_updates` if $argument eq '--download';
       $download='-v -dl -d /tmp/loncapa_rpm_updates'; # Part of check-rpms args.
       $mode = 'download';
     }
   elsif ($argument eq '--view')
     {
       $mode = 'view';
     }
   elsif ($argument eq '--cronmail')
     {
       $mode = 'cronmail';
     }
   elsif ($ENV{'QUERY_STRING'} or $argument eq '--html')
     {
       $mode = 'html';
     }
   else
     {
       $mode = 'interactive';
     }
   
   # ================================================== GENERAL INITIAL VARIABLES.
   my $command_name=$0;
   
 # ---------------- The FTP servers (and their directory paths) to check against  # ---------------- The FTP servers (and their directory paths) to check against
 my @serverpaths_to_try=(  my @serverpaths_to_try = 
    'spock.lite.msu.edu/linux/redhat/linux/updates/',    (
    'mirror234.pa.msu.edu/linux/redhat/linux/updates/',      'distro.ibiblio.org/pub/linux/distributions/redhat/updates/',
    'mirror.pa.msu.edu/linux/redhat/linux/updates/',      'mirror.pa.msu.edu/linux/redhat/linux/updates/',
    'rufus.w3.org/linux/redhat/linux/updates/',      'limestone.uoregon.edu/redhat/updates/',
    'distro.ibiblio.org/pub/linux/distributions/redhat/updates/',      'rufus.w3.org/linux/redhat/linux/updates/',
    'limestone.uoregon.edu/redhat/updates/',      'opnsrc.support.compaq.com/linux/redhat/updates.redhat.com/',
    'opnsrc.support.compaq.com/linux/redhat/updates.redhat.com/',    );
 );  
   
 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 -ftp '; # -------- use check-rpms command this way  my $checkcommand = 'check-rpms '.$download.' --rpmuser www -ftp';
   
 my $FTPSERVER; # ------------------------- the server portion of the serverpath  my $FTPSERVER; # ------------------------- the server portion of the serverpath
 my $FTPUPDATES; # ----------------------------- the actual update root location  my $FTPUPDATES; # ----------------------------- the actual update root location
Line 71  my @rpms; # ---------------------------- Line 116  my @rpms; # ----------------------------
 my $goodoutput; # ------------------------------------ good stuff was returned!  my $goodoutput; # ------------------------------------ good stuff was returned!
 my $reallygoodoutput; # ------------------------------- you are 100% up-to-date  my $reallygoodoutput; # ------------------------------- you are 100% up-to-date
   
 # ----------------------------------------- Find the check-rpms script location  # ===================================================== Control flow of output.
 if (-e './check-rpms') {  my $out = \*STDOUT; # Default: go to standard output (directly to terminal).
     $commandpre='perl ./';  
 }  if ($mode eq 'cronmail') # If cronmail mode, then save to file.
 elsif (-e 'loncom/build/check-rpms') {    {
     $commandpre='perl loncom/build/';      open(FOUT,'>/tmp/CHECKRPMS.'.$$);
 }      $out = \*FOUT;
 else {    }
     die("**** ERROR **** CANNOT FIND THE check-rpms SCRIPT\n");  
 }  $| = 1; # Flush to output whenever possible.
   
   # ========================================== Variables that must be defineable.
   
   # --------------------------------------------------- Determine RedHat version.
   my $RHversion = (split /\s/, `cat /etc/redhat-release`)[4]; # - 6.2 or 7.3 or ?
   
   unless ($RHversion)
     {
       terminate($mode,$out,
         '**** ERROR **** /etc/redhat-release not found'."\n".
         'This script does not appear to be running on RedHat.'."\n");
     }
   
 $checkcommand=$commandpre.$checkcommand;  # ----------------------------------------- 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 in the loncom/build dir.
     }
   elsif (-e '/usr/local/loncapa/bin/check-rpms')
     {
       $commandpre='perl /usr/local/loncapa/bin/'; # Use /usr/local dir.
     }
   else # Cannot find check-rpms, so abort.
     {
       terminate($mode,$out,
         '**** ERROR **** CANNOT FIND THE check-rpms SCRIPT'."\n");
     }
   
   # Define check-rpms invocation based on the path to the check-rpms command.
   $checkcommand = $commandpre.$checkcommand;
   
   # ============================================================= Initial output.
   
   print($out <<END) if $mode eq 'html';
   <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
   <html>
   <head>
   <meta http-equiv="Content-Type" content="text/html; charset=utf-8"></meta>
   <title>CHECKRPMS STATUS REPORT</title>
   </head>
   <body bgcolor="white">
   <h1>CHECKRPMS STATUS REPORT</h1>
   <hr />
   <pre>
   END
   
 # =============== Go through all the servers until a decent connection is found  # Notify user of current action.
 print(<<END);  print($out <<END);
 THIS SCRIPT IS NOW PROBING SEVERAL FTP SERVERS....  THIS SCRIPT IS NOW PROBING SEVERAL FTP SERVERS....
 PLEASE BE PATIENT, THIS MAY TAKE A FEW MINUTES.  PLEASE BE PATIENT, THIS MAY TAKE A FEW MINUTES.
 END  END
   
 SERVERLOOP: foreach my $serverpath (@serverpaths_to_try) {  # ============== Go through all the servers until a decent connection is found.
     $serverpath=~/^(.*?)\//;  SERVERLOOP: foreach my $serverpath (@serverpaths_to_try)
     $FTPSERVER=$1;    {
     print "Trying $FTPSERVER...\n";      $serverpath=~/^(.*?)\//; # Pattern match the ip name.
     `ping -q -c 1 $FTPSERVER 2>/dev/null`;      $FTPSERVER=$1; # Set to the ip name.
     if ($?==0) {      print($out "Trying $FTPSERVER...\n"); # Notify of attempts with ip name.
  `ncftpls ftp://$FTPSERVER`;      `ping -c 1 $FTPSERVER 2>/dev/null`; # Ping ftp server (are you out there?).
  if ($?==0) {      if ($?==0) # If the ftp server can be pinged.
     $FTPUPDATES="$serverpath$RHversion/en/os";        {
     print "$checkcommand $FTPUPDATES\n";   print($out "$FTPSERVER found...\n"); # Tell user ftp server is found.
     @rpms=`$checkcommand $FTPUPDATES`;   `ncftpls ftp://$FTPSERVER`; # Try to access server with ftp protocol.
    if ($?==0) # If the ftp server can be accessed with the ftp protocol.
             {
       $FTPUPDATES="$serverpath$RHversion/en/os"; # The full update path.
       # Print the check-rpms command that will be executed.
       print($out $checkcommand.' '.$FTPUPDATES."\n");
       if ($mode eq 'download') # Was CHECKRPMS run in download mode?
                 {
    $|=1; # Try to send things immediately to stdout; err umm....
    # Tell the user about the /tmp/loncapa_rpm_updates directory.
    print($out '**** 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($out `$checkcommand $FTPUPDATES 2>\&1`);
    # Tell the user about what action they need to take with the
    # downloaded RPMs.
    print($out
         '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");
    clean_exit($mode,$out,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);      my $rpmtext=join('',@rpms);
     if ($rpmtext=~/This account is currently not/) { # ---------- uh-oh      if ($rpmtext=~/You do not seem to have a/) # No www?
  print "...strange error, moving on ($FTPSERVER)\n";                {
     }   print($out "You do not have a 'www' user on your system.\n".
     else { # ------------------------------------- the output is "good"        "Please add this user and try this command again.\n");
    clean_exit($mode,$out,0);
         }
       if ($rpmtext=~/This account is currently not/) # ------------ uh-oh
         {
    print($out "...strange error, moving on ($FTPSERVER)\n");
         }
       else # --------------------------------------- the output is "good"
         {
  $goodoutput=$rpmtext;   $goodoutput=$rpmtext;
  unless (@rpms) {   unless (@rpms) # If there are no RPMs to update.
     $reallygoodoutput=<<END;    {
       $reallygoodoutput = <<END;
 **** NOTE **** All RPMS on your system appear to be up to date.  **** NOTE **** All RPMS on your system appear to be up to date.
 END  END
  }                      $goodoutput = ' ';
     }
  last SERVERLOOP;   last SERVERLOOP;
     }        }
  }    }
  print "...cannot establish an ftp session with $FTPSERVER\n";   print($out '...cannot establish an ftp session with '.$FTPSERVER."\n");
     }        }
     else {      else
  print "...cannot find $FTPSERVER on the network\n";        {
     }   print($out "...cannot find $FTPSERVER on the network\n");
 }        }
 if (!$goodoutput) {    }
     print "**** ERROR **** Cannot find a working ftp server.\n";  if (!$goodoutput) # If never received any useable output, assume "no server".
     exit(1);    {
 }      print($out '**** ERROR **** Cannot find a working ftp server.'."\n");
 elsif ($reallygoodoutput) {      clean_exit($mode,$out,0);
     print $reallygoodoutput;    }
 }  elsif ($reallygoodoutput) # Everything is peachy keen and up-to-date already.
 else {    {
     my $rpmcount=scalar(@rpms);      print($out $reallygoodoutput);
     print(<<END);    }
  **** WARNING **** You need to update at least $rpmcount RPMS shown in  else # There are RPMs that need to be updated; show list to user.
     {
       my $rpmcount=scalar(@rpms); # Count up size of RPM list.
       print($out <<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 $goodoutput;      print($out $goodoutput); # Output the RPM list.
     print(<<END);      if ($mode eq 'interactive')
         {
    print($out <<END);
   Do you want to download the RPMs listed above (y/n)?
   END
           my $in=<>;
    if ($in=~/^y/)
     {
               print($out 'Please be patient... downloading into '.
     '/tmp/loncapa_rpm_updates'."\n");
               print($out `perl $command_name --download`);
               clean_exit($mode,$out,0);
     }
         }
       print($out <<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
       if ($mode eq 'cronmail')
         {
    print($out <<END); # Output more instructions to user.
   CHECKRPMS should be located in /usr/local/loncapa/bin/.
   END
         }
     }
   
   clean_exit($mode,$out,0);
   
   # ================================================================ Subroutines.
   
   sub clean_exit
     {
       my ($mode,$out,$code)=@_;
   
       if ($mode eq 'cronmail') # If cronmail mode, then mail LON-CAPA sys admin.
         {
           close(FOUT);
    # Read in configuration to get e-mail addresses.
    my $perlvarref = read_conf('loncapa.conf');
    my %perlvar = %{$perlvarref};
    undef $perlvarref;
    delete $perlvar{'lonReceipt'}; # remove since sensitive
    delete $perlvar{'lonSqlAccess'}; # remove since sensitive
   
    # Set metadata for the e-mail.
           my $emailto = "$perlvar{'lonAdmEMail'},$perlvar{'lonSysEMail'}";
   # my $emailto = "sharrison\@users.sourceforge.net";
    my $subj="LON: $perlvar{'lonHostID'}, RPMS to upgrade";
    system(
          'metasend -b -t '.$emailto.' -s '.
          "'$subj' -f /tmp/CHECKRPMS.$$ -m text/plain");
         }
   
       print($out <<END) if $mode eq 'html'; # If html mode, print ending tags.
   </pre>
   </body>
   </html>
   END
       exit($code);
     }
   
   sub terminate
     {
       my ($mode,$out,$output);
       if ($mode eq 'html')
         {
           print($out <<END);
   <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
   <html>
   <head>
   <meta http-equiv="Content-Type" content="text/html; charset=utf-8"></meta>
   <title>CHECKRPMS ERROR</title>
   </head>
   <body bgcolor="white">
   <h1>CHECKRPMS ERROR</h1>
   <hr />
   <p><font color="red"><font size="+1">
 END  END
 }        }
       print($out $output);
       if ($mode eq 'html')
         {
           print($out <<END);
   </font></font></p></body></html>
   END
         }
     }
   
   
   # - read_conf: read LON-CAPA server configuration, especially PerlSetVar values
   sub read_conf
     {
       my (@conf_files)=@_;
       my %perlvar;
       my $confdir='/etc/httpd/conf/';
       foreach my $filename (@conf_files,'loncapa_apache.conf')
         {
    open(CONFIG,'<'.$confdir.$filename) or
       die("Can't read $confdir$filename");
    while (my $configline=<CONFIG>)
     {
       if ($configline =~ /^[^\#]*PerlSetVar/)
         {
    my ($unused,$varname,$varvalue)=split(/\s+/,$configline);
    chomp($varvalue);
    $perlvar{$varname}=$varvalue;
         }
     }
    close(CONFIG);
         }
       my $perlvarref=\%perlvar;
       return ($perlvarref);
     }
   
Removed from v.1.2  
changed lines
  Added in v.1.7

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