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Diff for /loncom/loncron between versions 1.46 and 1.80

version 1.46, 2004/05/11 19:12:50 version 1.80, 2009/04/22 09:41:21
Line 1 Line 1
 #!/usr/bin/perl  #!/usr/bin/perl
   
 # The LearningOnline Network  # Housekeeping program, started by cron, loncontrol and loncron.pl
 # Housekeeping program, started by cron  
 #  #
 # (TCP networking package  # $Id$
 # 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)  # Copyright Michigan State University Board of Trustees
   #
   # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
   #
   # LON-CAPA is free software; you can redistribute it and/or modify
   # it under the terms of the GNU General Public License as published by
   # the Free Software Foundation; either version 2 of the License, or
   # (at your option) any later version.
   #
   # LON-CAPA is distributed in the hope that it will be useful,
   # but WITHOUT ANY WARRANTY; without even the implied warranty of
   # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   # GNU General Public License for more details.
   #
   # You should have received a copy of the GNU General Public License
   # along with LON-CAPA; if not, write to the Free Software
   # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   #
   # /home/httpd/html/adm/gpl.txt
   #
   # http://www.lon-capa.org/
 #  #
 # 7/14,7/15,7/19,7/21,7/22,11/18,  
 # 2/8 Gerd Kortemeyer  
 # 12/23 Gerd Kortemeyer  
 # YEAR=2001  
 # 09/04,09/06,11/26 Gerd Kortemeyer  
   
 $|=1;  $|=1;
   use strict;
   
 use lib '/home/httpd/lib/perl/';  use lib '/home/httpd/lib/perl/';
 use LONCAPA::Configuration;  use LONCAPA::Configuration;
   use Apache::lonnet;
   use Apache::loncommon;
   
 use IO::File;  use IO::File;
 use IO::Socket;  use IO::Socket;
 use strict;  use HTML::Entities;
   use Getopt::Long;
 #globals  #globals
 use vars qw (%perlvar %simplestatus $errors $warnings $notices $totalcount);  use vars qw (%perlvar %simplestatus $errors $warnings $notices $totalcount);
   
 my $statusdir="/home/httpd/html/lon-status";  my $statusdir="/home/httpd/html/lon-status";
   
   
 # -------------------------------------------------- Non-critical communication  
 sub reply {  
     my ($cmd,$server)=@_;  
     my $peerfile="$perlvar{'lonSockDir'}/$server";  
     my $client=IO::Socket::UNIX->new(Peer    =>"$peerfile",  
                                      Type    => SOCK_STREAM,  
                                      Timeout => 10)  
        or return "con_lost";  
     print $client "$cmd\n";  
     my $answer=<$client>;  
     chomp($answer);  
     if (!$answer) { $answer="con_lost"; }  
     return $answer;  
 }  
   
 # --------------------------------------------------------- Output error status  # --------------------------------------------------------- Output error status
   
 sub log {  sub log {
Line 52  sub log { Line 55  sub log {
 sub errout {  sub errout {
    my $fh=shift;     my $fh=shift;
    &log($fh,(<<ENDERROUT));     &log($fh,(<<ENDERROUT));
      <p><table border=2 bgcolor="#CCCCCC">       <table border="2" bgcolor="#CCCCCC">
      <tr><td>Notices</td><td>$notices</td></tr>       <tr><td>Notices</td><td>$notices</td></tr>
      <tr><td>Warnings</td><td>$warnings</td></tr>       <tr><td>Warnings</td><td>$warnings</td></tr>
      <tr><td>Errors</td><td>$errors</td></tr>       <tr><td>Errors</td><td>$errors</td></tr>
      </table><p><a href="#top">Top</a><p>       </table><p><a href="#top">Top</a></p>
 ENDERROUT  ENDERROUT
 }  }
   
   sub rotate_logfile {
       my ($file,$fh,$description) = @_;
       my $size=(stat($file))[7];
       if ($size>40000) {
    &log($fh,"<p>Rotating $description ...</p>");
    rename("$file.2","$file.3");
    rename("$file.1","$file.2");
    rename("$file","$file.1");
       } 
   }
   
 sub start_daemon {  sub start_daemon {
     my ($fh,$daemon,$pidfile) = @_;      my ($fh,$daemon,$pidfile,$args) = @_;
     my $progname=$daemon;      my $progname=$daemon;
     if ($daemon eq 'lonc' && $ARGV[0] eq 'new') {      if ($daemon eq 'lonc') {
  $progname='loncnew';    $progname='loncnew'; 
  print "new ";  
     }      }
     system("$perlvar{'lonDaemons'}/$progname 2>>$perlvar{'lonDaemons'}/logs/${daemon}_errors");      my $error_fname="$perlvar{'lonDaemons'}/logs/${daemon}_errors";
     sleep 2;      &rotate_logfile($error_fname,$fh,'error logs');
       if ($daemon eq 'lonc') {
    &clean_sockets($fh);
       }
       system("$perlvar{'lonDaemons'}/$progname 2>$perlvar{'lonDaemons'}/logs/${daemon}_errors");
       sleep 1;
     if (-e $pidfile) {      if (-e $pidfile) {
  &log($fh,"Seems like it started ...<p>");   &log($fh,"<p>Seems like it started ...</p>");
  my $lfh=IO::File->new("$pidfile");   my $lfh=IO::File->new("$pidfile");
  my $daemonpid=<$lfh>;   my $daemonpid=<$lfh>;
  chomp($daemonpid);   chomp($daemonpid);
  sleep 2;   if ($daemonpid =~ /^\d+$/ && kill 0 => $daemonpid) {
  if (kill 0 => $daemonpid) {  
     return 1;      return 1;
  } else {   } else {
     return 0;      return 0;
  }   }
     }      }
     &log($fh,"Seems like that did not work!<p>");      &log($fh,"<p>Seems like that did not work!</p>");
     $errors++;      $errors++;
     return 0;      return 0;
 }  }
   
 sub checkon_daemon {  sub checkon_daemon {
     my ($fh,$daemon,$maxsize,$sendusr1)=@_;      my ($fh,$daemon,$maxsize,$send,$args)=@_;
   
     &log($fh,'<hr><a name="'.$daemon.'"><h2>'.$daemon.'</h2><h3>Log</h3><pre>');      my $result;
     printf("%-10s ",$daemon);      &log($fh,'<hr /><a name="'.$daemon.'" /><h2>'.$daemon.'</h2><h3>Log</h3><p style="white-space: pre;"><tt>');
       printf("%-15s ",$daemon);
     if (-e "$perlvar{'lonDaemons'}/logs/$daemon.log"){      if (-e "$perlvar{'lonDaemons'}/logs/$daemon.log"){
  open (DFH,"tail -n25 $perlvar{'lonDaemons'}/logs/$daemon.log|");   open (DFH,"tail -n25 $perlvar{'lonDaemons'}/logs/$daemon.log|");
  while (my $line=<DFH>) {    while (my $line=<DFH>) { 
Line 101  sub checkon_daemon { Line 119  sub checkon_daemon {
  };   };
  close (DFH);   close (DFH);
     }      }
     &log($fh,"</pre>");      &log($fh,"</tt></p>");
           
     my $pidfile="$perlvar{'lonDaemons'}/logs/$daemon.pid";      my $pidfile="$perlvar{'lonDaemons'}/logs/$daemon.pid";
           
Line 111  sub checkon_daemon { Line 129  sub checkon_daemon {
  my $lfh=IO::File->new("$pidfile");   my $lfh=IO::File->new("$pidfile");
  $daemonpid=<$lfh>;   $daemonpid=<$lfh>;
  chomp($daemonpid);   chomp($daemonpid);
  if (kill 0 => $daemonpid) {   if ($daemonpid =~ /^\d+$/ && kill 0 => $daemonpid) {
     &log($fh,"<h3>$daemon at pid $daemonpid responding");      &log($fh,"<h3>$daemon at pid $daemonpid responding");
     if ($sendusr1) { &log($fh,", sending USR1"); }      if ($send) { &log($fh,", sending $send"); }
     &log($fh,"</h3>");      &log($fh,"</h3>");
     if ($sendusr1) { kill USR1 => $daemonpid; }      if ($send eq 'USR1') { kill USR1 => $daemonpid; }
       if ($send eq 'USR2') { kill USR2 => $daemonpid; }
     $restartflag=0;      $restartflag=0;
     print "running\n";      if ($send eq 'USR2') {
    $result = 'reloaded';
    print "reloaded\n";
       } else {
    $result = 'running';
    print "running\n";
       }
  } else {   } else {
     $errors++;      $errors++;
     &log($fh,"<h3>$daemon at pid $daemonpid not responding</h3>");      &log($fh,"<h3>$daemon at pid $daemonpid not responding</h3>");
Line 128  sub checkon_daemon { Line 153  sub checkon_daemon {
     if ($restartflag==1) {      if ($restartflag==1) {
  $simplestatus{$daemon}='off';   $simplestatus{$daemon}='off';
  $errors++;   $errors++;
    my $kadaemon=$daemon;
    if ($kadaemon eq 'lonmemcached') { $kadaemon='memcached'; }
  &log($fh,'<br><font color="red">Killall '.$daemon.': '.   &log($fh,'<br><font color="red">Killall '.$daemon.': '.
     `killall $daemon 2>&1`.' - ');      `killall $kadaemon 2>&1`.' - ');
  sleep 2;   sleep 1;
  &log($fh,unlink($pidfile).' - '.   &log($fh,unlink($pidfile).' - '.
     `killall -9 $daemon 2>&1`.      `killall -9 $kadaemon 2>&1`.
     '</font><br>');      '</font><br>');
  &log($fh,"<h3>$daemon not running, trying to start</h3>");   &log($fh,"<h3>$daemon not running, trying to start</h3>");
   
  if (&start_daemon($fh,$daemon,$pidfile)) {   if (&start_daemon($fh,$daemon,$pidfile,$args)) {
     &log($fh,"<h3>$daemon at pid $daemonpid responding</h3>");      &log($fh,"<h3>$daemon at pid $daemonpid responding</h3>");
     $simplestatus{$daemon}='restarted';      $simplestatus{$daemon}='restarted';
       $result = 'started';
     print "started\n";      print "started\n";
  } else {   } else {
     $errors++;      $errors++;
     &log($fh,"<h3>$daemon at pid $daemonpid not responding</h3>");      &log($fh,"<h3>$daemon at pid $daemonpid not responding</h3>");
     &log($fh,"Give it one more try ...<p>");      &log($fh,"<p>Give it one more try ...</p>");
     print " ";      print " ";
     if (&start_daemon($fh,$daemon,$pidfile)) {      if (&start_daemon($fh,$daemon,$pidfile,$args)) {
  &log($fh,"<h3>$daemon at pid $daemonpid responding</h3>");   &log($fh,"<h3>$daemon at pid $daemonpid responding</h3>");
  $simplestatus{$daemon}='restarted';   $simplestatus{$daemon}='restarted';
    $result = 'started';
  print "started\n";   print "started\n";
     } else {      } else {
    $result = 'failed';
  print " failed\n";   print " failed\n";
  $simplestatus{$daemon}='failed';   $simplestatus{$daemon}='failed';
  $errors++; $errors++;   $errors++; $errors++;
  &log($fh,"<h3>$daemon at pid $daemonpid not responding</h3>");   &log($fh,"<h3>$daemon at pid $daemonpid not responding</h3>");
  &log($fh,"Unable to start $daemon<p>");   &log($fh,"<p>Unable to start $daemon</p>");
     }      }
  }   }
   
Line 167  sub checkon_daemon { Line 197  sub checkon_daemon {
  if ($line=~/CRITICAL/) { $notices++; }   if ($line=~/CRITICAL/) { $notices++; }
     };      };
     close (DFH);      close (DFH);
     &log($fh,"</pre>");      &log($fh,"</pre></p>");
  }   }
     }      }
           
     my $fname="$perlvar{'lonDaemons'}/logs/$daemon.log";      my $fname="$perlvar{'lonDaemons'}/logs/$daemon.log";
           &rotate_logfile($fname,$fh,'logs');
     my ($dev,$ino,$mode,$nlink,  
  $uid,$gid,$rdev,$size,  
  $atime,$mtime,$ctime,  
  $blksize,$blocks)=stat($fname);  
       
     if ($size>$maxsize) {  
  &log($fh,"Rotating logs ...<p>");  
  rename("$fname.2","$fname.3");  
  rename("$fname.1","$fname.2");  
  rename("$fname","$fname.1");  
     }  
   
     &errout($fh);      &errout($fh);
       return $result;
 }  }
   
 # --------------------------------------------------------------------- Machine  # --------------------------------------------------------------------- Machine
 sub log_machine_info {  sub log_machine_info {
     my ($fh)=@_;      my ($fh)=@_;
     &log($fh,'<hr><a name="machine"><h2>Machine Information</h2>');      &log($fh,'<hr /><a name="machine" /><h2>Machine Information</h2>');
     &log($fh,"<h3>loadavg</h3>");      &log($fh,"<h3>loadavg</h3>");
   
     open (LOADAVGH,"/proc/loadavg");      open (LOADAVGH,"/proc/loadavg");
Line 214  sub log_machine_info { Line 234  sub log_machine_info {
   
     open (DFH,"df|");      open (DFH,"df|");
     while (my $line=<DFH>) {       while (my $line=<DFH>) { 
  &log($fh,"$line");    &log($fh,&encode_entities($line,'<>&"')); 
  @parts=split(/\s+/,$line);   @parts=split(/\s+/,$line);
  my $usage=$parts[4];   my $usage=$parts[4];
  $usage=~s/\W//g;   $usage=~s/\W//g;
Line 236  sub log_machine_info { Line 256  sub log_machine_info {
     &log($fh,"<pre>");      &log($fh,"<pre>");
     my $psproc=0;      my $psproc=0;
   
     open (PSH,"ps -aux --cols 140 |");      open (PSH,"ps aux --cols 140 |");
     while (my $line=<PSH>) {       while (my $line=<PSH>) { 
  &log($fh,"$line");    &log($fh,&encode_entities($line,'<>&"')); 
  $psproc++;   $psproc++;
     }      }
     close (PSH);      close (PSH);
Line 247  sub log_machine_info { Line 267  sub log_machine_info {
     if ($psproc>200) { $notices++; }      if ($psproc>200) { $notices++; }
     if ($psproc>250) { $notices++; }      if ($psproc>250) { $notices++; }
   
       &log($fh,"<h3>distprobe</h3>");
       &log($fh,"<pre>");
       open(DSH,"$perlvar{'lonDaemons'}/distprobe |");
       while (my $line=<DSH>) { 
    &log($fh,&encode_entities($line,'<>&"')); 
    $psproc++;
       }
       close(DSH);
       &log($fh,"</pre>");
   
     &errout($fh);      &errout($fh);
 }  }
   
 sub start_logging {  sub start_logging {
     my ($hostdom,$hostrole,$hostname,$spareid)=@_;  
     my $fh=IO::File->new(">$statusdir/newstatus.html");      my $fh=IO::File->new(">$statusdir/newstatus.html");
     my %simplestatus=();      my %simplestatus=();
     my $now=time;      my $now=time;
Line 264  sub start_logging { Line 293  sub start_logging {
 <title>LON Status Report $perlvar{'lonHostID'}</title>  <title>LON Status Report $perlvar{'lonHostID'}</title>
 </head>  </head>
 <body bgcolor="#AAAAAA">  <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>
 <ol>  <ol>
 <li><a href="#configuration">Configuration</a>  <li><a href="#configuration">Configuration</a></li>
 <li><a href="#machine">Machine Information</a>  <li><a href="#machine">Machine Information</a></li>
 <li><a href="#tmp">Temporary Files</a>  <li><a href="#tmp">Temporary Files</a></li>
 <li><a href="#tokens">Session Tokens</a>  <li><a href="#tokens">Session Tokens</a></li>
 <li><a href="#httpd">httpd</a>  <li><a href="#httpd">httpd</a></li>
 <li><a href="#lonsql">lonsql</a>  <li><a href="#lonsql">lonsql</a></li>
 <li><a href="#lond">lond</a>  <li><a href="#lond">lond</a></li>
 <li><a href="#lonc">lonc</a>  <li><a href="#lonc">lonc</a></li>
 <li><a href="#lonhttpd">lonhttpd</a>  <li><a href="#lonnet">lonnet</a></li>
 <li><a href="#lonnet">lonnet</a>  <li><a href="#connections">Connections</a></li>
 <li><a href="#connections">Connections</a>  <li><a href="#delayed">Delayed Messages</a></li>
 <li><a href="#delayed">Delayed Messages</a>  <li><a href="#errcount">Error Count</a></li>
 <li><a href="#errcount">Error Coindex.html.unt</a>  
 </ol>  </ol>
 <hr>  <hr />
 <a name="configuration">  <a name="configuration" />
 <h2>Configuration</h2>  <h2>Configuration</h2>
 <h3>PerlVars</h3>  <h3>PerlVars</h3>
 <table border=2>  <table border="2">
 ENDHEADERS  ENDHEADERS
   
     foreach my $varname (sort(keys(%perlvar))) {      foreach my $varname (sort(keys(%perlvar))) {
  &log($fh,"<tr><td>$varname</td><td>$perlvar{$varname}</td></tr>\n");   &log($fh,"<tr><td>$varname</td><td>".
        &encode_entities($perlvar{$varname},'<>&"')."</td></tr>\n");
     }      }
     &log($fh,"</table><h3>Hosts</h3><table border=2>");      &log($fh,"</table><h3>Hosts</h3><table border='2'>");
     foreach my $id (sort(keys(%{$hostname}))) {      my %hostname = &Apache::lonnet::all_hostnames();
       foreach my $id (sort(keys(%hostname))) {
    my $role = (&Apache::lonnet::is_library($id) ? 'library'
                                        : 'access');
  &log($fh,   &log($fh,
     "<tr><td>$id</td><td>".$hostdom->{$id}.      "<tr><td>$id</td><td>".&Apache::lonnet::host_domain($id).
     "</td><td>".$hostrole->{$id}.      "</td><td>".$role.
     "</td><td>".$hostname->{$id}."</td></tr>\n");      "</td><td>".&Apache::lonnet::hostname($id)."</td></tr>\n");
     }      }
     &log($fh,"</table><h3>Spare Hosts</h3><ol>");      &log($fh,"</table><h3>Spare Hosts</h3><ul>");
     foreach my $id (sort(keys(%{$spareid}))) {      foreach my $type (sort(keys(%Apache::lonnet::spareid))) {
  &log($fh,"<li>$id\n");   &log($fh,"<li>$type\n<ol>");
    foreach my $id (@{ $Apache::lonnet::spareid{$type} }) {
       &log($fh,"<li>$id</li>\n");
    }
    &log($fh,"</ol>\n</li>\n");
     }      }
     &log($fh,"</ol>\n");      &log($fh,"</ul>\n");
     return $fh;      return $fh;
 }  }
   
 # --------------------------------------------------------------- clean out tmp  # --------------------------------------------------------------- clean out tmp
 sub clean_tmp {  sub clean_tmp {
     my ($fh)=@_;      my ($fh)=@_;
     &log($fh,'<hr><a name="tmp"><h2>Temporary Files</h2>');      &log($fh,'<hr /><a name="tmp" /><h2>Temporary Files</h2>');
     my $cleaned=0;      my $cleaned=0;
     my $old=0;      my $old=0;
     while (my $fname=<$perlvar{'lonDaemons'}/tmp/*>) {      while (my $fname=<$perlvar{'lonDaemons'}/tmp/*>) {
Line 343  sub clean_tmp { Line 379  sub clean_tmp {
 # ------------------------------------------------------------ clean out lonIDs  # ------------------------------------------------------------ clean out lonIDs
 sub clean_lonIDs {  sub clean_lonIDs {
     my ($fh)=@_;      my ($fh)=@_;
     &log($fh,'<hr><a name="tokens"><h2>Session Tokens</h2>');      &log($fh,'<hr /><a name="tokens" /><h2>Session Tokens</h2>');
     my $cleaned=0;      my $cleaned=0;
     my $active=0;      my $active=0;
     while (my $fname=<$perlvar{'lonIDsDir'}/*>) {      while (my $fname=<$perlvar{'lonIDsDir'}/*>) {
Line 361  sub clean_lonIDs { Line 397  sub clean_lonIDs {
     $active++;      $active++;
  }   }
     }      }
     &log($fh,"<p>Cleaned up ".$cleaned." stale session token(s).");      &log($fh,"<p>Cleaned up ".$cleaned." stale session token(s).</p>");
     &log($fh,"<h3>$active open session(s)</h3>");      &log($fh,"<h3>$active open session(s)</h3>");
 }  }
   
   # ----------------------------------------------------------- clean out sockets
   sub clean_sockets {
       my ($fh)=@_;
       my $cleaned=0;
       opendir(SOCKETS,$perlvar{'lonSockDir'});
       while (my $fname=readdir(SOCKETS)) {
    next if (-d $fname 
    || $fname=~/(mysqlsock|maximasock|rsock|\Q$perlvar{'lonSockDir'}\E)/);
    $cleaned++;
    &log($fh,"Unlinking $fname<br />");
    unlink("/home/httpd/sockets/$fname");
       }
       &log($fh,"<p>Cleaned up ".$cleaned." stale sockets.</p>");
   }
   
   
 # ----------------------------------------------------------------------- httpd  # ----------------------------------------------------------------------- httpd
 sub check_httpd_logs {  sub check_httpd_logs {
     my ($fh)=@_;      my ($fh)=@_;
     &log($fh,'<hr><a name="httpd"><h2>httpd</h2><h3>Access Log</h3><pre>');      &log($fh,'<hr /><a name="httpd" /><h2>httpd</h2><h3>Access Log</h3><pre>');
           
     open (DFH,"tail -n25 /etc/httpd/logs/access_log|");      open (DFH,"tail -n25 /etc/httpd/logs/access_log|");
     while (my $line=<DFH>) { &log($fh,"$line") };      while (my $line=<DFH>) { &log($fh,&encode_entities($line,'<>&"')) };
     close (DFH);      close (DFH);
   
     &log($fh,"</pre><h3>Error Log</h3><pre>");      &log($fh,"</pre><h3>Error Log</h3><pre>");
Line 389  sub check_httpd_logs { Line 440  sub check_httpd_logs {
   
 # ---------------------------------------------------------------------- lonnet  # ---------------------------------------------------------------------- lonnet
   
 sub rotate_logs {  sub rotate_lonnet_logs {
     my ($fh)=@_;      my ($fh)=@_;
     &log($fh,'<hr><a name="lonnet"><h2>lonnet</h2><h3>Temp Log</h3><pre>');      &log($fh,'<hr /><a name="lonnet" /><h2>lonnet</h2><h3>Temp Log</h3><pre>');
     print "checking logs\n";      print "checking logs\n";
     if (-e "$perlvar{'lonDaemons'}/logs/lonnet.log"){      if (-e "$perlvar{'lonDaemons'}/logs/lonnet.log"){
  open (DFH,"tail -n50 $perlvar{'lonDaemons'}/logs/lonnet.log|");   open (DFH,"tail -n50 $perlvar{'lonDaemons'}/logs/lonnet.log|");
  while (my $line=<DFH>) {    while (my $line=<DFH>) { 
     &log($fh,"$line");      &log($fh,&encode_entities($line,'<>&"'));
  }   }
  close (DFH);   close (DFH);
     }      }
Line 405  sub rotate_logs { Line 456  sub rotate_logs {
     if (-e "$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|");
  while (my $line=<DFH>) {    while (my $line=<DFH>) { 
     &log($fh,"$line");      &log($fh,&encode_entities($line,'<>&"'));
  }   }
  close (DFH);   close (DFH);
     } else { &log($fh,"No perm log\n") }      } else { &log($fh,"No perm log\n") }
   
     my $fname="$perlvar{'lonDaemons'}/logs/lonnet.log";      my $fname="$perlvar{'lonDaemons'}/logs/lonnet.log";
       &rotate_logfile($fname,$fh,'lonnet log');
     my ($dev,$ino,$mode,$nlink,  
  $uid,$gid,$rdev,$size,  
  $atime,$mtime,$ctime,  
  $blksize,$blocks)=stat($fname);  
   
     if ($size>40000) {  
  &log($fh,"Rotating logs ...<p>");  
  rename("$fname.2","$fname.3");  
  rename("$fname.1","$fname.2");  
  rename("$fname","$fname.1");  
     }  
   
     &log($fh,"</pre>");      &log($fh,"</pre>");
     &errout($fh);      &errout($fh);
 }  }
   
   sub rotate_other_logs {
       my ($fh) = @_;
       my $fname="$perlvar{'lonDaemons'}/logs/autoenroll.log";
       &rotate_logfile($fname,$fh,'Auto Enroll log');
       $fname="$perlvar{'lonDaemons'}/logs/autocreate.log";
       &rotate_logfile($fname,$fh,'Create Course log');
       $fname="$perlvar{'lonDaemons'}/logs/searchcat.log";
       &rotate_logfile($fname,$fh,'Search Cataloguing log');
   }
   
 # ----------------------------------------------------------------- Connections  # ----------------------------------------------------------------- Connections
 sub test_connections {  sub test_connections {
     my ($fh,$hostname)=@_;      my ($fh)=@_;
     &log($fh,'<hr><a name="connections"><h2>Connections</h2>');      &log($fh,'<hr /><a name="connections" /><h2>Connections</h2>');
     print "testing connections\n";      print "testing connections\n";
     &log($fh,"<table border=2>");      &log($fh,"<table border='2'>");
     foreach my $tryserver (sort(keys(%{$hostname}))) {      my ($good,$bad)=(0,0);
       my %hostname = &Apache::lonnet::all_hostnames();
       foreach my $tryserver (sort(keys(%hostname))) {
  print(".");   print(".");
  my $result;   my $result;
  my $answer=reply("pong",$tryserver);   my $answer=&Apache::lonnet::reply("ping",$tryserver);
  if ($answer eq "$tryserver:$perlvar{'lonHostID'}") {   if ($answer eq "$tryserver:$perlvar{'lonHostID'}") {
     $result="<b>ok</b>";      $result="<b>ok</b>";
       $good++;
  } else {   } else {
     $result=$answer;      $result=$answer;
     $warnings++;      $warnings++;
     if ($answer eq 'con_lost') { $warnings++; }      if ($answer eq 'con_lost') {
    $bad++;
    $warnings++;
       } else {
    $good++; #self connection
       }
  }   }
  if ($answer =~ /con_lost/) { print(" $tryserver down\n"); }   if ($answer =~ /con_lost/) { print(" $tryserver down\n"); }
  &log($fh,"<tr><td>$tryserver</td><td>$result</td></tr>\n");   &log($fh,"<tr><td>$tryserver</td><td>$result</td></tr>\n");
     }      }
     &log($fh,"</table>");      &log($fh,"</table>");
       print "\n$good good, $bad bad connections\n";
     &errout($fh);      &errout($fh);
 }  }
   
Line 457  sub test_connections { Line 515  sub test_connections {
 # ------------------------------------------------------------ Delayed messages  # ------------------------------------------------------------ Delayed messages
 sub check_delayed_msg {  sub check_delayed_msg {
     my ($fh)=@_;      my ($fh)=@_;
     &log($fh,'<hr><a name="delayed"><h2>Delayed Messages</h2>');      &log($fh,'<hr /><a name="delayed" /><h2>Delayed Messages</h2>');
     print "checking buffers\n";      print "checking buffers\n";
           
     &log($fh,'<h3>Scanning Permanent Log</h3>');      &log($fh,'<h3>Scanning Permanent Log</h3>');
Line 476  sub check_delayed_msg { Line 534  sub check_delayed_msg {
  if ($sdf eq 'D') { $unsend++; }   if ($sdf eq 'D') { $unsend++; }
     }      }
   
     &log($fh,"Total unsend messages: <b>$unsend</b><p>\n");      &log($fh,"<p>Total unsend messages: <b>$unsend</b></p>\n");
     $warnings=$warnings+5*$unsend;      $warnings=$warnings+5*$unsend;
   
     if ($unsend) { $simplestatus{'unsend'}=$unsend; }      if ($unsend) { $simplestatus{'unsend'}=$unsend; }
     &log($fh,"<h3>Outgoing Buffer</h3>");      &log($fh,"<h3>Outgoing Buffer</h3>\n<pre>");
   # list directory with delayed messages and remember offline servers
       my %servers=();
     open (DFH,"ls -lF $perlvar{'lonSockDir'}/delayed|");      open (DFH,"ls -lF $perlvar{'lonSockDir'}/delayed|");
     while (my $line=<DFH>) {       while (my $line=<DFH>) {
  &log($fh,"$line<br>");          my ($server)=($line=~/\.(\w+)$/);
           if ($server) { $servers{$server}=1; }
    &log($fh,&encode_entities($line,'<>&"'));
     }      }
       &log($fh,"</pre>\n");
     close (DFH);      close (DFH);
   # pong to all servers that have delayed messages
   # this will trigger a reverse connection, which should flush the buffers
       foreach my $tryserver (keys %servers) {
    my $answer=&Apache::lonnet::reply("pong",$tryserver);
    &log($fh,"Pong to $tryserver: $answer<br />");
       }
 }  }
   
 sub finish_logging {  sub finish_logging {
     my ($fh)=@_;      my ($fh)=@_;
     &log($fh,"<a name=errcount>\n");      &log($fh,"<a name='errcount' />\n");
     $totalcount=$notices+4*$warnings+100*$errors;      $totalcount=$notices+4*$warnings+100*$errors;
     &errout($fh);      &errout($fh);
     &log($fh,"<h1>Total Error Count: $totalcount</h1>");      &log($fh,"<h1>Total Error Count: $totalcount</h1>");
     my $now=time;      my $now=time;
     my $date=localtime($now);      my $date=localtime($now);
     &log($fh,"<hr>$date ($now)</body></html>\n");      &log($fh,"<hr />$date ($now)</body></html>\n");
     print "lon-status webpage updated\n";      print "lon-status webpage updated\n";
     $fh->close();      $fh->close();
   
Line 508  sub finish_logging { Line 576  sub finish_logging {
 }  }
   
 sub log_simplestatus {  sub log_simplestatus {
     rename ("$statusdir/newstatus.html","$statusdir/index.html");      rename("$statusdir/newstatus.html","$statusdir/index.html");
           
     my $sfh=IO::File->new(">$statusdir/loncron_simple.txt");      my $sfh=IO::File->new(">$statusdir/loncron_simple.txt");
     foreach (keys %simplestatus) {      foreach (keys %simplestatus) {
Line 520  sub log_simplestatus { Line 588  sub log_simplestatus {
   
 sub send_mail {  sub send_mail {
     print "sending mail\n";      print "sending mail\n";
     my $emailto="$perlvar{'lonAdmEMail'}";      my $defdom = $perlvar{'lonDefDomain'};
     if ($totalcount>1000) {      my $origmail = $perlvar{'lonAdmEMail'};
       my $emailto = &Apache::loncommon::build_recipient_list(undef,
                                      'lonstatusmail',$defdom,$origmail);
       if ($totalcount>2500) {
  $emailto.=",$perlvar{'lonSysEMail'}";   $emailto.=",$perlvar{'lonSysEMail'}";
     }      }
     my $subj="LON: $perlvar{'lonHostID'} E:$errors W:$warnings N:$notices";       my $subj="LON: $perlvar{'lonHostID'} E:$errors W:$warnings N:$notices"; 
     system("metasend -b -t $emailto -s '$subj' -f $statusdir/index.html -m text/html");  
       my $result=system("metasend -b -S 4000000 -t $emailto -s '$subj' -f $statusdir/index.html -m text/html >& /dev/null");
       if ($result != 0) {
    $result=system("mail -s '$subj' $emailto < $statusdir/index.html");
       }
   }
   
   sub usage {
       print(<<USAGE);
   loncron - housekeeping program that checks up on various parts of Lon-CAPA
   
   Options:
      --help     Display 
      --noemail  Do not send the status email
      --justcheckconnections  Only check the current status of the lonc/d
                                   connections, do not send emails do not
                                   check if the daemons are running, do not
                                   generate lon-status
      --justcheckdaemons      Only check that all of the Lon-CAPA daemons are
                                   running, do not send emails do not
                                   check the lonc/d connections, do not
                                   generate lon-status
      --justreload            Only tell the daemons to reload the config files,
    do not send emails do not
                                   check if the daemons are running, do not
                                   generate lon-status
                              
   USAGE
 }  }
   
 # ================================================================ Main Program  # ================================================================ Main Program
 sub main () {  sub main () {
       my ($help,$justcheckdaemons,$noemail,$justcheckconnections,
    $justreload);
       &GetOptions("help"                 => \$help,
    "justcheckdaemons"     => \$justcheckdaemons,
    "noemail"              => \$noemail,
    "justcheckconnections" => \$justcheckconnections,
    "justreload"           => \$justreload
    );
       if ($help) { &usage(); return; }
 # --------------------------------- Read loncapa_apache.conf and loncapa.conf  # --------------------------------- Read loncapa_apache.conf and loncapa.conf
     my $perlvarref=LONCAPA::Configuration::read_conf('loncapa.conf');      my $perlvarref=LONCAPA::Configuration::read_conf('loncapa.conf');
     %perlvar=%{$perlvarref};      %perlvar=%{$perlvarref};
     undef $perlvarref;      undef $perlvarref;
     delete $perlvar{'lonReceipt'}; # remove since sensitive and not needed      delete $perlvar{'lonReceipt'}; # remove since sensitive and not needed
     delete $perlvar{'lonSqlAccess'}; # remove since sensitive and not needed      delete $perlvar{'lonSqlAccess'}; # remove since sensitive and not needed
       chdir($perlvar{'lonDaemons'});
 # --------------------------------------- Make sure that LON-CAPA is configured  # --------------------------------------- Make sure that LON-CAPA is configured
 # I only test for one thing here (lonHostID).  This is just a safeguard.  # I only test for one thing here (lonHostID).  This is just a safeguard.
     if ('{[[[[lonHostID]]]]}' eq $perlvar{'lonHostID'}) {      if ('{[[[[lonHostID]]]]}' eq $perlvar{'lonHostID'}) {
Line 562  sub main () { Line 669  sub main () {
  exit 1;   exit 1;
     }      }
   
 # ------------------------------------------------------------- Read hosts file  # -------------------------------------------- Force reload of host information
     my $config=IO::File->new("$perlvar{'lonTabDir'}/hosts.tab");      &Apache::lonnet::load_hosts_tab(1);
           &Apache::lonnet::load_domain_tab(1);
     my (%hostname,%hostdom,%hostrole,%spareid);      &Apache::lonnet::get_iphost(1);
     while (my $configline=<$config>) {  
  my ($id,$domain,$role,$name,$ip,$domdescr)=split(/:/,$configline);  
  if ($id && $domain && $role && $name && $ip) {  
     $hostname{$id}=$name;  
     $hostdom{$id}=$domain;  
     $hostrole{$id}=$role;  
  } else {  
     if ($configline) {  
 # &logthis("Skipping hosts.tab line -$configline-");  
     }  
  }  
     }  
     undef $config;  
   
 # ------------------------------------------------------ Read spare server file  
     $config=IO::File->new("$perlvar{'lonTabDir'}/spare.tab");  
       
     while (my $configline=<$config>) {  
  chomp($configline);  
  if (($configline) && ($configline ne $perlvar{'lonHostID'})) {  
     $spareid{$configline}=1;  
  }  
     }  
     undef $config;  
   
 # ---------------------------------------------------------------- Start report  # ---------------------------------------------------------------- Start report
   
Line 597  sub main () { Line 680  sub main () {
     $warnings=0;      $warnings=0;
     $notices=0;      $notices=0;
   
     my $fh=&start_logging(\%hostdom,\%hostrole,\%hostname,\%spareid);  
   
     &log_machine_info($fh);  
     &clean_tmp($fh);  
     &clean_lonIDs($fh);  
     &check_httpd_logs($fh);  
     &checkon_daemon($fh,'lonsql',200000);  
     &checkon_daemon($fh,'lond',40000,1);  
     &checkon_daemon($fh,'lonc',40000,1);  
     &checkon_daemon($fh,'lonhttpd',40000);  
       
     &test_connections($fh,\%hostname);  
     &check_delayed_msg($fh);  
   
     &finish_logging($fh);  
     &log_simplestatus();  
   
     if ($totalcount>200) { &send_mail(); }      my $fh;
       if (!$justcheckdaemons && !$justcheckconnections && !$justreload) {
    $fh=&start_logging();
   
    &log_machine_info($fh);
    &clean_tmp($fh);
    &clean_lonIDs($fh);
    &check_httpd_logs($fh);
    &rotate_lonnet_logs($fh);
    &rotate_other_logs($fh);
       }
       if (!$justcheckconnections && !$justreload) {
    &checkon_daemon($fh,'lonmemcached',40000);
    &checkon_daemon($fh,'lonsql',200000);
    if ( &checkon_daemon($fh,'lond',40000,'USR1') eq 'running') {
       &checkon_daemon($fh,'lond',40000,'USR2');
    }
    &checkon_daemon($fh,'lonc',40000,'USR1');
           &checkon_daemon($fh,'lonmaxima',40000);
           &checkon_daemon($fh,'lonr',40000);
       }
       if ($justreload) {
    &checkon_daemon($fh,'lond',40000,'USR2');
    &checkon_daemon($fh,'lonc',40000,'USR2');
       }
       if ($justcheckconnections) {
    &test_connections($fh);
       }
       if (!$justcheckdaemons && !$justcheckconnections && !$justreload) {
    &check_delayed_msg($fh);
    &finish_logging($fh);
    &log_simplestatus();
   
    if ($totalcount>200 && !$noemail) { &send_mail(); }
       }
 }  }
   
 &main();  &main();
Removed from v.1.46  
changed lines
  Added in v.1.80

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