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Diff for /loncom/build/Attic/CHECKRPMS.default between versions 1.5 and 1.17

version 1.5, 2002/09/05 18:09:54 version 1.17, 2003/07/30 16:49:27
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>]
   
 =head1 DESCRIPTION  If I<modeflag> is left blank, the mode is "interactive".  Otherwise,
   other modes can be specified as shown in the listing below:
   
 This file automates the usage of Martin Siegert's "check-rpms"  =over 4
 script.  It runs through a list of possible mirror sites  
 until it finds one with a reasonably good FTP connection.  
   
 =head2 Future directions  =item DEFAULT
   
 Eventually, this script may have a simple argument format  When left blank, the script runs in interactive mode.  First, a proposed
 that allows the user to VIEW, DOWNLOAD, or AUTOUPDATE their  list of RPMs is presented to the user.  Then, the user is asked if he or
 computer.  Or, this script may evolve into an interactive  she wants to download the RPMs to /tmp/loncapa_rpm_updates/.
 series of steps:  For example, there may be questions like this:  
   
 =over 4  =item view
   
 =item *  A proposed list of RPMs to update is presented to the user.
   
 Do you want to (D)ownload or (A)utoupdate the RPMs  =item download
 in the list above?  
   
 =item *  A proposed set of RPMs to update are downloaded into /tmp/loncapa_rpm_updates/.
   Note that prior information inside /tmp/loncapa_rpm_updates/ is removed.
   
 Specify a download location for the RPMs  =item redownload
 (default=/tmp/update_my_rpms/)?  
   A proposed set of RPMs to update are downloaded into /tmp/loncapa_rpm_updates/.
   Note that prior information inside /tmp/loncapa_rpm_updates/ is not removed.
   (This helps support continual attempts from dialup connections.)
   
   =item html
   
   Similar to view mode. XHTML-formatted output is delivered; presumably
   to a web client.  html mode is automatically chosen if $ENV{'QUERY_STRING'} is
   defined.
   
 =back  =back
   
 Note that there are no current plans to automate a software upgrade of the  =head1 DESCRIPTION
 kernel.  This step should be performed by a qualified system administrator.  
   This file automates the usage of Martin Siegert's "check-rpms"
   script.  It runs through a list of possible mirror sites
   until it finds one with a reasonably good FTP connection.
   
   For instructions on usage, see L<SYNOPSIS>.
   
 =head1 AUTHOR  =head1 AUTHOR
   
Line 50  Scott Harrison, sharrison@users.sourcefo Line 62  Scott Harrison, sharrison@users.sourcefo
   
 =cut  =cut
   
 # =================================================== READ IN COMMAND ARGUMENTS  # ================================================== READ IN COMMAND ARGUMENTS.
   
 # ---------------------------------------------------- Process download option.  # ---------------------------------------------------- Process download option.
 my $download=shift(@ARGV);  my $argument = shift(@ARGV);
 if ($download eq '--download')  my $document;
   my $mode;
   if ($argument eq '--download' or $argument eq '--redownload')
   {    {
     if ($< != 0) # Download mode requires 'root'.      if ($< != 0) # Download mode requires 'root'.
       {        {
         print('**** ERROR **** Download mode needs to be run as root'."\n");          print(
  exit(1); # Exit with error status.        '**** ERROR **** Download mode needs to be run as root'."\n");
    exit(0); # Exit.
       }        }
     `rm -Rf /tmp/loncapa_rpm_updates`;      `rm -Rf /tmp/loncapa_rpm_updates` if $argument eq '--download';
     $download='-v -dl -d /tmp/loncapa_rpm_updates'; # Part of check-rpms args.      $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  else
   {    {
     $download='';      $mode = 'interactive';
   }    }
   
 # =================================================== GENERAL INITIAL VARIABLES  # ================================================== 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 = 
   (    (
       'ftpmirror:loncapa@install.lon-capa.org/pub/redhat/linux/updates/',
     'mirror.pa.msu.edu/linux/redhat/linux/updates/',      'mirror.pa.msu.edu/linux/redhat/linux/updates/',
     'rufus.w3.org/linux/redhat/linux/updates/',  
     'distro.ibiblio.org/pub/linux/distributions/redhat/updates/',      'distro.ibiblio.org/pub/linux/distributions/redhat/updates/',
     'limestone.uoregon.edu/redhat/updates/',      'limestone.uoregon.edu/redhat/updates/',
     'opnsrc.support.compaq.com/linux/redhat/updates.redhat.com/',      'rufus.w3.org/linux/redhat/linux/updates/',
   );    );
   
 # --------------------------------------------------- Determine RedHat version.  # -------------------------------------------- Use check-rpms command this way.
 my $RHversion = (split /\s/, `cat /etc/redhat-release`)[4]; # - 6.2 or 7.3 or ?  my $checkcommand = 'check-rpms -nk '.$download.' --rpmuser www -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 91  my @rpms; # ---------------------------- Line 119  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
   
   my $simplestatus='time='.time.'&';
   
   # ===================================================== Control flow of output.
   my $out = \*STDOUT; # Default: go to standard output (directly to terminal).
   
   if ($mode eq 'cronmail') # If cronmail mode, then save to file.
     {
       open(FOUT,'>/tmp/CHECKRPMS.'.$$);
       $out = \*FOUT;
     }
   
   $| = 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");
     }
   
 # ----------------------------------------- Find the check-rpms script location  # ----------------------------------------- Find the check-rpms script location
 if (-e './check-rpms')  if (-e './check-rpms')
   {    {
Line 98  if (-e './check-rpms') Line 151  if (-e './check-rpms')
   }    }
 elsif (-e 'loncom/build/check-rpms')  elsif (-e 'loncom/build/check-rpms')
   {    {
     $commandpre='perl loncom/build/'; # Use check-rpms int he loncom/build dir.      $commandpre='perl loncom/build/'; # Use check-rpms in the loncom/build dir.
     }
   elsif (-e '/usr/local/loncapa/bin/check-rpms')
     {
       $commandpre='perl /usr/local/loncapa/bin/'; # Use /usr/local dir.
   }    }
 else # Cannot find check-rpms, so abort.  else # Cannot find check-rpms, so abort.
   {    {
     die("**** ERROR **** CANNOT FIND THE check-rpms SCRIPT\n");      terminate($mode,$out,
         '**** ERROR **** CANNOT FIND THE check-rpms SCRIPT'."\n");
   }    }
   
 # Define the overall check-rpms invocation based on the path to the check-rpms  # Define check-rpms invocation based on the path to the check-rpms command.
 # command.  
 $checkcommand = $commandpre.$checkcommand;  $checkcommand = $commandpre.$checkcommand;
   
 # ============== Go through all the servers until a decent connection is found.  # ============================================================= 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
   
 # Notify user of current action.  # 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
   
   # ============== Go through all the servers until a decent connection is found.
 SERVERLOOP: foreach my $serverpath (@serverpaths_to_try)  SERVERLOOP: foreach my $serverpath (@serverpaths_to_try)
   {    {
     $serverpath=~/^(.*?)\//; # Pattern match the ip name.      $serverpath=~/^(.*?)\//; # Pattern match the ip name.
     $FTPSERVER=$1; # Set to the ip name.      $FTPSERVER=$1; # Set to the ip name.
     print "Trying $FTPSERVER...\n"; # Notify user of attempts with the ip name.      $FTPSERVER_noauth=$FTPSERVER;
     `ping -c 1 $FTPSERVER 2>/dev/null`; # Ping ftp server (are you out there?).      $FTPSERVER_noauth=~s/^.*?\@//;
       print($out
     "Trying $FTPSERVER_noauth...\n"); # Notify of attempts with ip name.
       `ping -c 1 -w 10 $FTPSERVER_noauth 2>/dev/null`;#Ping ftp server (u there?)
     if ($?==0) # If the ftp server can be pinged.      if ($?==0) # If the ftp server can be pinged.
       {        {
  print "$FTPSERVER found...\n"; # Tell user the ftp server is found.   print($out "$FTPSERVER found...\n"); # Tell user ftp server is found.
  `ncftpls ftp://$FTPSERVER`; # Try to access server with ftp protocol.   `ncftpls ftp://$FTPSERVER`; # Try to access server with ftp protocol.
  if ($?==0) # If the ftp server can be accessed with the ftp protocol.   if ($?==0) # If the ftp server can be accessed with the ftp protocol.
           {            {
     $FTPUPDATES="$serverpath$RHversion/en/os"; # The full update path.      $FTPUPDATES="$serverpath$RHversion/en/os"; # The full update path.
     # Print the check-rpms command that will be executed.      # Print the check-rpms command that will be executed.
     print($checkcommand.' '.$FTPUPDATES."\n");      print($out $checkcommand.' '.$FTPUPDATES."\n");
     if ($download) # Was CHECKRPMS run in download mode?      if ($mode eq 'download') # Was CHECKRPMS run in download mode?
               {                {
  $|=1; # Try to send things immediately to stdout; err umm....   $|=1; # Try to send things immediately to stdout; err umm....
  # Tell the user about the /tmp/loncapa_rpm_updates directory.   # Tell the user about the /tmp/loncapa_rpm_updates directory.
  print('**** NOTE ****'.   print($out '**** NOTE **** '.
       'To check the status of the download, you can '.        'To check the status of the download, you can '.
       'periodically inspect the contents of the '.        'periodically inspect the contents of the '.
       '/tmp/loncapa_rpm_updates directory.  '.        '/tmp/loncapa_rpm_updates directory.  '.
       'Please be patient; this download may take a while.'.        'Please be patient; this download may take a while.'.
       "\n");        "\n");
  # Do the download.   # Do the download.
  print(`$checkcommand $FTPUPDATES 2>\&1`);   print($out `$checkcommand $FTPUPDATES 2>\&1`);
  # Tell the user about what action they need to take with the   # Tell the user about what action they need to take with the
  # downloaded RPMs.   # downloaded RPMs.
  print('You may now wish to visit the /tmp/loncapa_rpm_updates'.   print($out
         'You may now wish to visit the /tmp/loncapa_rpm_updates'.
       ' directory and upgrade the RPMs.  '."\n".        ' directory and upgrade the RPMs.  '."\n".
       'If this is a critical server (it is currently being'.        'If this is a critical server (it is currently being'.
       ' used for classes) and you do not know how to upgrade'.        ' used for classes) and you do not know how to upgrade'.
       ' RPMs, you should consult someone who has experience '.        ' RPMs, you should consult someone who has experience '.
       'with the "rpm" command.'."\n");        'with the "rpm" command.'."\n");
  exit(0); # Assume everything is okay and exit.   clean_exit($mode,$out,0); # Assume everything is okay and exit.
       }        }
     @rpms=`$checkcommand $FTPUPDATES 2>\&1`; # Read in list of RPMs.      @rpms=`$checkcommand $FTPUPDATES 2>\&1`; # Read in list of RPMs.
     # Create a text string that can be pattern matched.      # Create a text string that can be pattern matched.
     my $rpmtext=join('',@rpms);      my $rpmtext=join('',@rpms);
     if ($rpmtext=~/You do not seem to have a/) # No www?      if ($rpmtext=~/You do not seem to have a/) # No www?
               {                {
  print "You do not have a 'www' user on your system.\n".   print($out "You do not have a 'www' user on your system.\n".
     "Please add this user and try this command again.\n";        "Please add this user and try this command again.\n");
  exit(1);   clean_exit($mode,$out,0);
       }        }
     if ($rpmtext=~/This account is currently not/) # ------------ uh-oh      if ($rpmtext=~/This account is currently not/) # ------------ uh-oh
       {        {
  print "...strange error, moving on ($FTPSERVER)\n";   print($out "...strange error, moving on ($FTPSERVER)\n");
       }        }
     else # --------------------------------------- the output is "good"      else # --------------------------------------- the output is "good"
       {        {
  $goodoutput=$rpmtext;   $goodoutput=$rpmtext;
  unless (@rpms) # If there are no RPMs to update.   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) # If never received any useable output, assume "no server".  if (!$goodoutput) # If never received any useable output, assume "no server".
   {    {
     print "**** ERROR **** Cannot find a working ftp server.\n";      print($out '**** ERROR **** Cannot find a working ftp server.'."\n");
     exit(1);      $simplestatus.='status=fail';
       clean_exit($mode,$out,0);
   }    }
 elsif ($reallygoodoutput) # Everything is peachy keen and up-to-date already.  elsif ($reallygoodoutput) # Everything is peachy keen and up-to-date already.
   {    {
     print $reallygoodoutput;      print($out $reallygoodoutput);
       $simplestatus.='status=okay';
   }    }
 else # There are RPMs that need to be updated; show list to user.  else # There are RPMs that need to be updated; show list to user.
   {    {
     my $rpmcount=scalar(@rpms); # Count up size of RPM list.      my $rpmcount=scalar(@rpms); # Count up size of RPM list.
     print(<<END); # Print out an advisory warning to user.      print($out <<END); # Print out an advisory warning to user.
 **** WARNING **** You need to update at least $rpmcount RPMS shown in  **** 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 $goodoutput; # Output the RPM list.      print($out $goodoutput); # Output the RPM list.
     print(<<END); # Output instructions to user about taking action.      $simplestatus.='status=okay&rpmcount='.$rpmcount;
       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.
Line 212  visit http://www.rpm.org/max-rpm/. Line 307  visit http://www.rpm.org/max-rpm/.
 To automatically download these RPMs to /tmp/loncapa_rpm_updates/,  To automatically download these RPMs to /tmp/loncapa_rpm_updates/,
 run the CHECKRPMS command as "./CHECKRPMS --download"  run the CHECKRPMS command as "./CHECKRPMS --download"
 END  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)=@_;
   #
   # Store simple status
   #
       open(SMP,'>/home/httpd/html/lon-status/checkrpms.txt');
       print SMP $simplestatus."\n";
       close(SMP);
   #
   # Mail
   #
       if ($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'}";
   
    my $subj=$perlvar{'lonHostID'}.', RPMS to upgrade';
   
    # Make the e-mail's subject header to describe whether up-to-date.
    if ($reallygoodoutput)
     {
       $subj = 'happy_lon: '.$subj; # Machine is up-to-date.
     }
    else
     {
       $subj = 'ALERT_lon: '.$subj; # There are out-of-date RPMs.
     }
   
    # Send the e-mail.
    my $date = `date +"\%e"`; # Always send a day after the "Ides" or after
                             # the beginning of a month.  (In other words,
                             # send an e-mail every two weeks regardless.)
           if (!$reallygoodoutput or
       $date == 2 or
       $date == 16)
     {
       system(
      'metasend -b -t '.$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($out <<END);
   <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
   <html>
   <head>
   <meta http-equiv="Content-Type" content="text/html; charset=utf-8"></meta>
   <title>CHECKRPMS ERROR</title>
   </head>
   <body bgcolor="white">
   <h1>CHECKRPMS ERROR</h1>
   <hr />
   <p><font color="red"><font size="+1">
   END
         }
       print($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.1.5  
changed lines
  Added in v.1.17

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