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Diff for /loncom/loncron between versions 1.1 and 1.8

version 1.1, 1999/10/13 17:48:51 version 1.8, 2000/12/08 22:08:57
Line 7 Line 7
 # 6/1/99,6/2,6/10,6/11,6/12,6/14,6/26,6/28,6/29,6/30,  # 6/1/99,6/2,6/10,6/11,6/12,6/14,6/26,6/28,6/29,6/30,
 # 7/1,7/2,7/9,7/10,7/12 Gerd Kortemeyer)  # 7/1,7/2,7/9,7/10,7/12 Gerd Kortemeyer)
 #  #
 # 7/14,7/15,7/19,7/21,7/22 Gerd Kortemeyer  # 7/14,7/15,7/19,7/21,7/22,11/18,
   # 2/8 Gerd Kortemeyer
   
 use IO::File;  use IO::File;
 use IO::Socket;  use IO::Socket;
Line 40  sub errout { Line 41  sub errout {
 ENDERROUT  ENDERROUT
 }  }
   
 # -------------------------------------------------------------- Permanent logs  
 sub logperm {  
     my $message=shift;  
     my $execdir=$perlvar{'lonDaemons'};  
     my $now=time;  
     my $local=localtime($now);  
     my $fh=Apache::File->new(">>$execdir/logs/lonnet.perm.log");  
     print $fh "$now:$message:$local\n";  
     return 1;  
 }  
   
 # ------------------------------------------------ Try to send delayed messages  
 sub senddelayed {  
     my $fh=shift;  
     my $dfname;  
     my $path="$perlvar{'lonSockDir'}/delayed";  
     print $fh "<h3>Attempting to send delayed messages</h3>";  
     while ($dfname=<$path/*>) {  
         my $wcmd;  
         {  
          my $dfh=IO::File->new($dfname);  
          $wcmd=<$dfh>;  
         }  
         my ($server,$cmd)=split(/:/,$wcmd);  
         chomp($cmd);  
         my $answer=reply($cmd,$server);  
         if ($answer ne 'con_lost') {  
     unlink("$dfname");  
             print $fh "Send $cmd to $server: $answer<br>\n";  
             &logperm("S:$server:$cmd");  
         } else {  
             print $fh "Failed to deliver $cmd to $server<br>\n";  
             $warnings++;  
         }          
     }  
 }  
   
 # ================================================================ Main Program  # ================================================================ Main Program
   
   
Line 139  print $fh (<<ENDHEADERS); Line 103  print $fh (<<ENDHEADERS);
 <head>  <head>
 <title>LON Status Report $perlvar{'lonHostID'}</title>  <title>LON Status Report $perlvar{'lonHostID'}</title>
 </head>  </head>
 <body bgcolor="#FFFFFF">  <body bgcolor="#AAAAAA">
 <a name="top">  <a name="top">
 <h1>LON Status Report $perlvar{'lonHostID'}</h1>  <h1>LON Status Report $perlvar{'lonHostID'}</h1>
 <h2>$date ($now)</h2>  <h2>$date ($now)</h2>
Line 189  close (LOADAVGH); Line 153  close (LOADAVGH);
 print $fh "<tt>$loadavg</tt>";  print $fh "<tt>$loadavg</tt>";
   
 @parts=split(/\s+/,$loadavg);  @parts=split(/\s+/,$loadavg);
 if ($parts[1]>3.0) {  if ($parts[1]>4.0) {
     $errors++;      $errors++;
 } elsif ($parts[1]>2.0) {  } elsif ($parts[1]>2.0) {
     $warnings++;      $warnings++;
Line 207  while ($line=<DFH>) { Line 171  while ($line=<DFH>) {
    $usage=$parts[4];     $usage=$parts[4];
    $usage=~s/\W//g;     $usage=~s/\W//g;
    if ($usage>90) {      if ($usage>90) { 
       $errors++;         $warnings++; 
    } elsif ($usage>80) {     } elsif ($usage>80) {
       $warnings++;        $warnings++;
    } elsif ($usage>60) {     } elsif ($usage>60) {
       $notices++;        $notices++;
    }     }
    if ($usage>95) { $errors++; }     if ($usage>95) { $warnings++; $warnings++ }
 }  }
 close (DFH);  close (DFH);
 print $fh "</pre>";  print $fh "</pre>";
Line 236  while ($line=<DFH>) { Line 200  while ($line=<DFH>) {
 close (DFH);  close (DFH);
 print $fh "</pre>";  print $fh "</pre>";
 &errout($fh);  &errout($fh);
   
   
   # ------------------------------------------------------------------------ lonsql
   
   if ($perlvar{'lonRole'} eq "library" && 1==0) {
   
       print $fh '<hr><a name="lond"><h2>lonsql</h2><h3>Log</h3><pre>';
       
       if (-e "$perlvar{'lonDaemons'}/logs/lonsql.log"){
    open (DFH,"tail -n100 $perlvar{'lonDaemons'}/logs/lonsql.log|");
    while ($line=<DFH>) { 
       print $fh "$line";
       if ($line=~/INFO/) { $notices++; }
       if ($line=~/WARNING/) { $notices++; }
       if ($line=~/CRITICAL/) { $warnings++; }
    };
    close (DFH);
       }
       print $fh "</pre>";
       
       my $lonsqlfile="$perlvar{'lonDaemons'}/logs/lonsql.pid";
       
       if (-e $lonsqlfile) {
    my $lfh=IO::File->new("$lonsqlfile");
    my $lonsqlpid=<$lfh>;
    chomp($lonsqlpid);
    if (kill 0 => $lonsqlpid) {
       print $fh "<h3>lonsql at pid $lonsqlpid responding</h3>";
    } else {
       $errors++; $errors++;
       print $fh "<h3>lonsql at pid $lonsqlpid not responding</h3>";
    }
       } else {
    $errors++;
    print $fh "<h3>lonsql not running, trying to start</h3>";
    system("$perlvar{'lonDaemons'}/lonsql");
    sleep 120;
    if (-e $lonsqlfile) {
       print $fh "Seems like it started ...<p>";
       my $lfh=IO::File->new("$lonsqlfile");
       my $lonsqlpid=<$lfh>;
       chomp($lonsqlpid);
       sleep 30;
       if (kill 0 => $lonsqlpid) {
    print $fh "<h3>lonsql at pid $lonsqlpid responding</h3>";
       } else {
    $errors++; $errors++;
    print $fh "<h3>lonsql at pid $lonsqlpid not responding</h3>";
    print $fh "Give it one more try ...<p>";
    system("$perlvar{'lonDaemons'}/lonsql");
    sleep 120;
       }
    } else {
       print $fh "Seems like that did not work!<p>";
       $errors++;
    }
    if (-e "$perlvar{'lonDaemons'}/logs/lonsql.log"){
       print $fh "<p><pre>";
       open (DFH,"tail -n100 $perlvar{'lonDaemons'}/logs/lonsql.log|");
       while ($line=<DFH>) { 
    print $fh "$line";
    if ($line=~/WARNING/) { $notices++; }
    if ($line=~/CRITICAL/) { $notices++; }
       };
       close (DFH);
       print $fh "</pre>";
    }
       }
   
       $fname="$perlvar{'lonDaemons'}/logs/lonsql.log";
   
       my ($dev,$ino,$mode,$nlink,
    $uid,$gid,$rdev,$size,
    $atime,$mtime,$ctime,
    $blksize,$blocks)=stat($fname);
   
       if ($size>40000) {
    print $fh "Rotating logs ...<p>";
    rename("$fname.2","$fname.3");
    rename("$fname.1","$fname.2");
    rename("$fname","$fname.1");
       }
   
       &errout($fh);
   }
 # ------------------------------------------------------------------------ lond  # ------------------------------------------------------------------------ lond
   
 print $fh '<hr><a name="lond"><h2>lond</h2><h3>Log</h3><pre>';  print $fh '<hr><a name="lond"><h2>lond</h2><h3>Log</h3><pre>';
   
 if (-e "$perlvar{'lonDaemons'}/logs/lond.log"){  if (-e "$perlvar{'lonDaemons'}/logs/lond.log"){
 open (DFH,"tail -n50 $perlvar{'lonDaemons'}/logs/lond.log|");  open (DFH,"tail -n100 $perlvar{'lonDaemons'}/logs/lond.log|");
 while ($line=<DFH>) {   while ($line=<DFH>) { 
    print $fh "$line";     print $fh "$line";
    if ($line=~/giving up/) { $notices++; }     if ($line=~/INFO/) { $notices++; }
      if ($line=~/WARNING/) { $notices++; }
      if ($line=~/CRITICAL/) { $warnings++; }
 };  };
 close (DFH);  close (DFH);
 }  }
Line 252  print $fh "</pre>"; Line 303  print $fh "</pre>";
   
 my $londfile="$perlvar{'lonDaemons'}/logs/lond.pid";  my $londfile="$perlvar{'lonDaemons'}/logs/lond.pid";
   
 if (-e $londfile) {  my $restartflag=1;
   if (-e $londfile) {    
    my $lfh=IO::File->new("$londfile");     my $lfh=IO::File->new("$londfile");
    my $londpid=<$lfh>;     my $londpid=<$lfh>;
    chomp($londpid);     chomp($londpid);
    if (kill 0 => $londpid) {     if (kill 0 => $londpid) {
       print $fh "<h3>lond at pid $londpid responding</h3>";        print $fh "<h3>lond at pid $londpid responding</h3>";
         $restartflag=0;
    } else {     } else {
       $errors++; $errors++;        $errors++;
       print $fh "<h3>lond at pid $londpid not responding</h3>";        print $fh "<h3>lond at pid $londpid not responding</h3>";
         # Intelligently handle this.
         # Possibility #1: there is no process
         # Solution: remove .pid file and restart
         if (getpgrp($londpid)==-1) {
     unlink($londfile);
     $restartflag=1;
         }
         else {
         # Possibility #2: there is a zombie process
         # Possibility #3: there is a live process that is not responding
         #                 for an unknown reason
         # Solution: kill process, remove .pid and restart
     kill 2 => $londpid;
     unlink($londfile);
     $restartflag=1;
         }
         print $fh 
     "<h3>Deciding to clean up stale .pid file and restart lond</h3>";
    }     }
 } else {  } 
   if ($restartflag==1) {
    $errors++;     $errors++;
    print $fh "<h3>lond not running, trying to start</h3>";     print $fh "<h3>lond not running, trying to start</h3>";
    system("$perlvar{'lonDaemons'}/lond");     system("$perlvar{'lonDaemons'}/lond");
Line 286  if (-e $londfile) { Line 358  if (-e $londfile) {
        print $fh "Seems like that did not work!<p>";         print $fh "Seems like that did not work!<p>";
        $errors++;         $errors++;
    }     }
      if (-e "$perlvar{'lonDaemons'}/logs/lond.log"){
       print $fh "<p><pre>";
       open (DFH,"tail -n100 $perlvar{'lonDaemons'}/logs/lond.log|");
       while ($line=<DFH>) { 
         print $fh "$line";
         if ($line=~/WARNING/) { $notices++; }
         if ($line=~/CRITICAL/) { $notices++; }
       };
       close (DFH);
       print $fh "</pre>";
      }
 }  }
   
 $fname="$perlvar{'lonDaemons'}/logs/lond.log";  $fname="$perlvar{'lonDaemons'}/logs/lond.log";
Line 308  if ($size>40000) { Line 391  if ($size>40000) {
 print $fh '<hr><a name="lonc"><h2>lonc</h2><h3>Log</h3><pre>';  print $fh '<hr><a name="lonc"><h2>lonc</h2><h3>Log</h3><pre>';
   
 if (-e "$perlvar{'lonDaemons'}/logs/lonc.log"){  if (-e "$perlvar{'lonDaemons'}/logs/lonc.log"){
 open (DFH,"tail -n50 $perlvar{'lonDaemons'}/logs/lonc.log|");  open (DFH,"tail -n100 $perlvar{'lonDaemons'}/logs/lonc.log|");
 while ($line=<DFH>) {   while ($line=<DFH>) { 
    print $fh "$line";     print $fh "$line";
    if ($line=~/died/) { $notices++; }     if ($line=~/INFO/) { $notices++; }
      if ($line=~/WARNING/) { $notices++; }
      if ($line=~/CRITICAL/) { $warnings++; }
 };  };
 close (DFH);  close (DFH);
 }  }
Line 319  print $fh "</pre>"; Line 404  print $fh "</pre>";
   
 my $loncfile="$perlvar{'lonDaemons'}/logs/lonc.pid";  my $loncfile="$perlvar{'lonDaemons'}/logs/lonc.pid";
   
   $restartflag=1;
 if (-e $loncfile) {  if (-e $loncfile) {
    my $lfh=IO::File->new("$loncfile");     my $lfh=IO::File->new("$loncfile");
    my $loncpid=<$lfh>;     my $loncpid=<$lfh>;
Line 326  if (-e $loncfile) { Line 412  if (-e $loncfile) {
    if (kill 0 => $loncpid) {     if (kill 0 => $loncpid) {
       print $fh "<h3>lonc at pid $loncpid responding, sending USR1</h3>";        print $fh "<h3>lonc at pid $loncpid responding, sending USR1</h3>";
       kill USR1 => $loncpid;        kill USR1 => $loncpid;
         $restartflag=0;
    } else {     } else {
       $errors++; $errors++;        $errors++;
       print $fh "<h3>lonc at pid $loncpid not responding</h3>";        print $fh "<h3>lonc at pid $loncpid not responding</h3>";
         # Intelligently handle this.
         # Possibility #1: there is no process
         # Solution: remove .pid file and restart
         if (getpgrp($loncpid)==-1) {
     unlink($loncfile);
     $restartflag=1;
         }
         else {
         # Possibility #2: there is a zombie process
         # Possibility #3: there is a live process that is not responding
         #                 for an unknown reason
         # Solution: kill process, remove .pid and restart
     kill 2 => $loncpid;
     unlink($loncfile);
     $restartflag=1;
         }
         print $fh 
     "<h3>Deciding to clean up stale .pid file and restart lonc</h3>";
    }     }
 } else {  } 
   if ($restartflag==1) {
    $errors++;     $errors++;
    print $fh "<h3>lonc not running, trying to start</h3>";     print $fh "<h3>lonc not running, trying to start</h3>";
    system("$perlvar{'lonDaemons'}/lonc");     system("$perlvar{'lonDaemons'}/lonc");
Line 354  if (-e $loncfile) { Line 460  if (-e $loncfile) {
        print $fh "Seems like that did not work!<p>";         print $fh "Seems like that did not work!<p>";
        $errors++;         $errors++;
    }     }
      if (-e "$perlvar{'lonDaemons'}/logs/lonc.log") {
       print $fh "<p><pre>";
       open (DFH,"tail -n100 $perlvar{'lonDaemons'}/logs/lonc.log|");
       while ($line=<DFH>) { 
         print $fh "$line";
         if ($line=~/WARNING/) { $notices++; }
         if ($line=~/CRITICAL/) { $notices++; }
       };
       close (DFH);
       print $fh "</pre>";
      }
 }  }
   
 $fname="$perlvar{'lonDaemons'}/logs/lonc.log";  $fname="$perlvar{'lonDaemons'}/logs/lonc.log";
Line 379  if (-e "$perlvar{'lonDaemons'}/logs/lonn Line 496  if (-e "$perlvar{'lonDaemons'}/logs/lonn
 open (DFH,"tail -n50 $perlvar{'lonDaemons'}/logs/lonnet.log|");  open (DFH,"tail -n50 $perlvar{'lonDaemons'}/logs/lonnet.log|");
 while ($line=<DFH>) {   while ($line=<DFH>) { 
     print $fh "$line";      print $fh "$line";
     if ($line=~/Delayed/) { $warnings++; }  
     if ($line=~/giving up/) { $warnings++; }  
     if ($line=~/FAILED/) { $errors++; }  
 };  };
 close (DFH);  close (DFH);
 }  }
Line 436  print $fh "</table>"; Line 550  print $fh "</table>";
   
 print $fh '<hr><a name="delayed"><h2>Delayed Messages</h2>';  print $fh '<hr><a name="delayed"><h2>Delayed Messages</h2>';
   
 &senddelayed($fh);  
   
 print $fh '<h3>Scanning Permanent Log</h3>';  print $fh '<h3>Scanning Permanent Log</h3>';
   
 $unsend=0;  $unsend=0;
Removed from v.1.1  
changed lines
  Added in v.1.8

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