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Diff for /loncom/loncron between versions 1.4 and 1.18

version 1.4, 2000/02/08 17:54:11 version 1.18, 2001/03/15 13:20:46
Line 9 Line 9
 #  #
 # 7/14,7/15,7/19,7/21,7/22,11/18,  # 7/14,7/15,7/19,7/21,7/22,11/18,
 # 2/8 Gerd Kortemeyer  # 2/8 Gerd Kortemeyer
   # Dec 00 Scott Harrison
   # 12/23 Gerd Kortemeyer
   # 02/12/2001 Scott Harrison
   
 use IO::File;  use IO::File;
 use IO::Socket;  use IO::Socket;
Line 43  ENDERROUT Line 46  ENDERROUT
   
 # ================================================================ Main Program  # ================================================================ Main Program
   
   
 # ------------------------------------------------------------ Read access.conf  # ------------------------------------------------------------ Read access.conf
 {  {
     my $config=IO::File->new("/etc/httpd/conf/access.conf");      my $config=IO::File->new("/etc/httpd/conf/access.conf");
Line 56  ENDERROUT Line 58  ENDERROUT
     }      }
 }  }
   
   # --------------------------------------- Make sure that LON-CAPA is configured
   # I only test for one thing here (lonHostID).  This is just a safeguard.
   if ('{[[[[lonHostID]]]]}' eq $perlvar{'lonHostID'}) {
      print("Unconfigured machine.\n");
      $emailto=$perlvar{'lonSysEMail'};
      $hostname=`/bin/hostname`;
      chop $hostname;
      $hostname=~s/[^\w\.]//g; # make sure is safe to pass through shell
      $subj="LON: Unconfigured machine $hostname";
      system("echo 'Unconfigured machine $hostname.' |\
    mailto $emailto -s '$subj' > /dev/null");
       exit 1;
   }
   
   # ----------------------------- Make sure this process is running from user=www
   my $wwwid=getpwnam('www');
   if ($wwwid!=$<) {
      print("User ID mismatch.  This program must be run as user 'www'\n");
      $emailto="$perlvar{'lonAdmEMail'},$perlvar{'lonSysEMail'}";
      $subj="LON: $perlvar{'lonHostID'} User ID mismatch";
      system("echo 'User ID mismatch.  loncron must be run as user www.' |\
    mailto $emailto -s '$subj' > /dev/null");
      exit 1;
   }
   
 # ------------------------------------------------------------- Read hosts file  # ------------------------------------------------------------- Read hosts file
 {  {
     my $config=IO::File->new("$perlvar{'lonTabDir'}/hosts.tab");      my $config=IO::File->new("$perlvar{'lonTabDir'}/hosts.tab");
Line 110  print $fh (<<ENDHEADERS); Line 137  print $fh (<<ENDHEADERS);
 <ol>  <ol>
 <li><a href="#configuration">Configuration</a>  <li><a href="#configuration">Configuration</a>
 <li><a href="#machine">Machine Information</a>  <li><a href="#machine">Machine Information</a>
   <li><a href="#tmp">Temporary Files</a>
   <li><a href="#tokens">Session Tokens</a>
 <li><a href="#httpd">httpd</a>  <li><a href="#httpd">httpd</a>
   <li><a href="#lonsql">lonsql</a>
 <li><a href="#lond">lond</a>  <li><a href="#lond">lond</a>
 <li><a href="#lonc">lonc</a>  <li><a href="#lonc">lonc</a>
 <li><a href="#lonnet">lonnet</a>  <li><a href="#lonnet">lonnet</a>
Line 182  while ($line=<DFH>) { Line 212  while ($line=<DFH>) {
 close (DFH);  close (DFH);
 print $fh "</pre>";  print $fh "</pre>";
 &errout($fh);  &errout($fh);
   
   # --------------------------------------------------------------- clean out tmp
   print $fh '<hr><a name="tmp"><h2>Temporary Files</h2>';
   $cleaned=0;
   while ($fname=<$perlvar{'lonDaemons'}/tmp/*>) {
                             my ($dev,$ino,$mode,$nlink,
                                 $uid,$gid,$rdev,$size,
                                 $atime,$mtime,$ctime,
                                 $blksize,$blocks)=stat($fname);
                             $now=time;
                             $since=$now-$mtime;
                             if ($since>$perlvar{'lonExpire'}) {
                                 $cleaned++;
                                 unlink("$fname");
                             }
       
   }
   print $fh "Cleaned up ".$cleaned." files.";
   
   # ------------------------------------------------------------ clean out lonIDs
   print $fh '<hr><a name="tokens"><h2>Session Tokens</h2>';
   $cleaned=0;
   $active=0;
   while ($fname=<$perlvar{'lonIDsDir'}/*>) {
                             my ($dev,$ino,$mode,$nlink,
                                 $uid,$gid,$rdev,$size,
                                 $atime,$mtime,$ctime,
                                 $blksize,$blocks)=stat($fname);
                             $now=time;
                             $since=$now-$mtime;
                             if ($since>$perlvar{'lonExpire'}) {
                                 $cleaned++;
                                 print $fh "Unlinking $fname<br>";
                                 unlink("$fname");
                             } else {
                                 $active++;
                             }
       
   }
   print $fh "<p>Cleaned up ".$cleaned." stale session token(s).";
   print $fh "<h3>$active open session(s)</h3>";
   
 # ----------------------------------------------------------------------- httpd  # ----------------------------------------------------------------------- httpd
   
 print $fh '<hr><a name="httpd"><h2>httpd</h2><h3>Access Log</h3><pre>';  print $fh '<hr><a name="httpd"><h2>httpd</h2><h3>Access Log</h3><pre>';
Line 200  while ($line=<DFH>) { Line 272  while ($line=<DFH>) {
 close (DFH);  close (DFH);
 print $fh "</pre>";  print $fh "</pre>";
 &errout($fh);  &errout($fh);
   
   
   # ---------------------------------------------------------------------- lonsql
   #
   # Do not run for now
   #
   if ($perlvar{'lonRole'} eq "library") {
   
       print $fh '<hr><a name="lonsql"><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 2>>$perlvar{'lonDaemons'}/logs/lonsql_errors");
    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 2>>$perlvar{'lonDaemons'}/logs/lonsql_errors");
    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>';
Line 218  print $fh "</pre>"; Line 379  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);
     $restartflag=1;
         }
         else {
         # Possibility #2: there is a live process that is not responding
         #                 for an unknown reason
         # Solution: kill parent and children processes, remove .pid and restart
     `killall -9 lond`;
     unlink($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(
        "$perlvar{'lonDaemons'}/lond 2>>$perlvar{'lonDaemons'}/logs/lond_errors");
    sleep 120;     sleep 120;
    if (-e $londfile) {     if (-e $londfile) {
        print $fh "Seems like it started ...<p>";         print $fh "Seems like it started ...<p>";
Line 245  if (-e $londfile) { Line 427  if (-e $londfile) {
           $errors++; $errors++;            $errors++; $errors++;
           print $fh "<h3>lond at pid $londpid not responding</h3>";            print $fh "<h3>lond at pid $londpid not responding</h3>";
           print $fh "Give it one more try ...<p>";            print $fh "Give it one more try ...<p>";
           system("$perlvar{'lonDaemons'}/lond");    system(
    "$perlvar{'lonDaemons'}/lond 2>>$perlvar{'lonDaemons'}/logs/lond_errors");
           sleep 120;            sleep 120;
        }         }
    } else {     } else {
Line 298  print $fh "</pre>"; Line 481  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 305  if (-e $loncfile) { Line 489  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);
     $restartflag=1;
         }
         else {
         # Possibility #2: there is a live process that is not responding
         #                 for an unknown reason
         # Solution: kill parent and children processes, remove .pid and restart
     `killall -9 lonc`;
     unlink($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(
    "$perlvar{'lonDaemons'}/lonc 2>>$perlvar{'lonDaemons'}/logs/lonc_errors");
    sleep 120;     sleep 120;
    if (-e $loncfile) {     if (-e $loncfile) {
        print $fh "Seems like it started ...<p>";         print $fh "Seems like it started ...<p>";
Line 326  if (-e $loncfile) { Line 530  if (-e $loncfile) {
           $errors++; $errors++;            $errors++; $errors++;
           print $fh "<h3>lonc at pid $loncpid not responding</h3>";            print $fh "<h3>lonc at pid $loncpid not responding</h3>";
           print $fh "Give it one more try ...<p>";            print $fh "Give it one more try ...<p>";
           system("$perlvar{'lonDaemons'}/lonc");     system(
    "$perlvar{'lonDaemons'}/lonc 2>>$perlvar{'lonDaemons'}/logs/lonc_errors");
           sleep 120;            sleep 120;
        }         }
    } else {     } else {
Line 372  while ($line=<DFH>) { Line 577  while ($line=<DFH>) {
 };  };
 close (DFH);  close (DFH);
 }  }
 print $fh "</pre><h3>Perm Log</h3>";  print $fh "</pre><h3>Perm Log</h3><pre>";
   
 if (-e "$perlvar{'lonDaemons'}/logs/lonnet.perm.log") {  if (-e "$perlvar{'lonDaemons'}/logs/lonnet.perm.log") {
     open(DFH,"tail -n10 $perlvar{'lonDaemons'}/logs/lonnet.perm.log|");      open(DFH,"tail -n10 $perlvar{'lonDaemons'}/logs/lonnet.perm.log|");
Removed from v.1.4  
changed lines
  Added in v.1.18

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