[BACK]Return to loncron CVS log [TXT] [DIR] Up to [LON-CAPA] / loncom
File:  [LON-CAPA] / loncom / loncron
Revision 1.30: download - view: text, annotated - select for diffs
Sat Jun 8 14:59:04 2002 UTC (22 years, 5 months ago) by albertel
Branches: MAIN
CVS tags: version_0_4, stable_2002_july, STABLE, HEAD
- I'd like it to run more quickly (at least for the conference)

#!/usr/bin/perl

# The LearningOnline Network
# Housekeeping program, started by cron
#
# (TCP networking package
# 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)
#
# 7/14,7/15,7/19,7/21,7/22,11/18,
# 2/8 Gerd Kortemeyer
# 12/6/2000,12/8 Scott Harrison
# 12/23 Gerd Kortemeyer
# YEAR=2001
# 1/10/2001, 2/12/, 2/26, 3/15, 04/11, 04/21,8/27 Scott Harrison
# 09/04,09/06,11/26 Gerd Kortemeyer
# YEAR=2002
# 5/11/2002 Scott Harrison

$|=1;

use lib '/home/httpd/lib/perl/';
use LONCAPA::Configuration;

use IO::File;
use IO::Socket;

# -------------------------------------------------- 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

sub errout {
   my $fh=shift;
   print $fh (<<ENDERROUT);
     <p><table border=2 bgcolor="#CCCCCC">
     <tr><td>Notices</td><td>$notices</td></tr>
     <tr><td>Warnings</td><td>$warnings</td></tr>
     <tr><td>Errors</td><td>$errors</td></tr>
     </table><p><a href="#top">Top</a><p>
ENDERROUT
}

# ================================================================ Main Program

# --------------------------------- Read loncapa_apache.conf and loncapa.conf
my $perlvarref=LONCAPA::Configuration::read_conf('loncapa_apache.conf',
                                                 'loncapa.conf');
%perlvar=%{$perlvarref};
undef $perlvarref;
delete $perlvar{'lonReceipt'}; # remove since sensitive and not needed
delete $perlvar{'lonSqlAccess'}; # remove since sensitive and not needed

# --------------------------------------- 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
{
    my $config=IO::File->new("$perlvar{'lonTabDir'}/hosts.tab");

    while (my $configline=<$config>) {
       my ($id,$domain,$role,$name,$ip)=split(/:/,$configline);
       $hostname{$id}=$name;
       $hostdom{$id}=$domain;
       $hostrole{$id}=$role;
       $hostip{$id}=$ip;
       if (($role eq 'library') && ($id ne $perlvar{'lonHostID'})) {
	   $libserv{$id}=$name;
       }
    }
}

# ------------------------------------------------------ Read spare server file
{
    my $config=IO::File->new("$perlvar{'lonTabDir'}/spare.tab");

    while (my $configline=<$config>) {
       chomp($configline);
       if (($configline) && ($configline ne $perlvar{'lonHostID'})) {
          $spareid{$configline}=1;
       }
    }
}

# ---------------------------------------------------------------- Start report

$statusdir="/home/httpd/html/lon-status";

$errors=0;
$warnings=0;
$notices=0;

$now=time;
$date=localtime($now);

{
my $fh=IO::File->new(">$statusdir/newstatus.html");

print $fh (<<ENDHEADERS);
<html>
<head>
<title>LON Status Report $perlvar{'lonHostID'}</title>
</head>
<body bgcolor="#AAAAAA">
<a name="top">
<h1>LON Status Report $perlvar{'lonHostID'}</h1>
<h2>$date ($now)</h2>
<ol>
<li><a href="#configuration">Configuration</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="#lonsql">lonsql</a>
<li><a href="#lond">lond</a>
<li><a href="#lonc">lonc</a>
<li><a href="#lonnet">lonnet</a>
<li><a href="#connections">Connections</a>
<li><a href="#delayed">Delayed Messages</a>
<li><a href="#errcount">Error Count</a>
</ol>
<hr>
<a name="configuration">
<h2>Configuration</h2>
<h3>PerlVars</h3>
<table border=2>
ENDHEADERS

foreach $varname (keys %perlvar) {
    print $fh "<tr><td>$varname</td><td>$perlvar{$varname}</td></tr>\n";
}
print $fh "</table><h3>Hosts</h3><table border=2>";
foreach $id (keys %hostname) {
print $fh 
    "<tr><td>$id</td><td>$hostdom{$id}</td><td>$hostrole{$id}</td>";
print $fh "<td>$hostname{$id}</td><td>$hostip{$id}</td></tr>\n";
}
print $fh "</table><h3>Spare Hosts</h3><ol>";
foreach $id (keys %spareid) {
    print $fh "<li>$id\n";
}

print $fh "</ol>\n";

# --------------------------------------------------------------------- Machine

print $fh '<hr><a name="machine"><h2>Machine Information</h2>';
print $fh "<h3>loadavg</h3>";

open (LOADAVGH,"/proc/loadavg");
$loadavg=<LOADAVGH>;
close (LOADAVGH);

print $fh "<tt>$loadavg</tt>";

@parts=split(/\s+/,$loadavg);
if ($parts[1]>4.0) {
    $errors++;
} elsif ($parts[1]>2.0) {
    $warnings++;
} elsif ($parts[1]>1.0) {
    $notices++;
}

print $fh "<h3>df</h3>";
print $fh "<pre>";

open (DFH,"df|");
while ($line=<DFH>) { 
   print $fh "$line"; 
   @parts=split(/\s+/,$line);
   $usage=$parts[4];
   $usage=~s/\W//g;
   if ($usage>90) { 
      $warnings++;
      $notices++; 
   } elsif ($usage>80) {
      $warnings++;
   } elsif ($usage>60) {
      $notices++;
   }
   if ($usage>95) { $warnings++; $warnings++ }
}
close (DFH);
print $fh "</pre>";


print $fh "<h3>ps</h3>";
print $fh "<pre>";
$psproc=0;

open (PSH,"ps -aux|");
while ($line=<PSH>) { 
   print $fh "$line"; 
   $psproc++;
}
close (PSH);
print $fh "</pre>";

if ($psproc>200) { $notices++; }
if ($psproc>250) { $notices++; }

&errout($fh);

# --------------------------------------------------------------- clean out tmp
print $fh '<hr><a name="tmp"><h2>Temporary Files</h2>';
$cleaned=0;
$old=0;
while ($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'}) {
                              $line='';
                              if (open(PROBE,$fname)) {
				  $line=<PROBE>;
                                  close(PROBE);
			      }
			      unless ($line=~/^CHECKOUTTOKEN\&/) {
                                 $cleaned++;
                                 unlink("$fname");
			      } else {
				  if ($since>100*$perlvar{'lonExpire'}) {
                                     $cleaned++;
                                     unlink("$fname");
				 } else { $old++; }
                              }
                          }
    
}
print $fh "Cleaned up ".$cleaned." files (".$old." old checkout tokens).";

# ------------------------------------------------------------ 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

print $fh '<hr><a name="httpd"><h2>httpd</h2><h3>Access Log</h3><pre>';

open (DFH,"tail -n25 /etc/httpd/logs/access_log|");
while ($line=<DFH>) { print $fh "$line" };
close (DFH);

print $fh "</pre><h3>Error Log</h3><pre>";

open (DFH,"tail -n25 /etc/httpd/logs/error_log|");
while ($line=<DFH>) { 
   print $fh "$line";
   if ($line=~/\[error\]/) { $notices++; } 
};
close (DFH);
print $fh "</pre>";
&errout($fh);


# ---------------------------------------------------------------------- lonsql

my $restartflag=1;
if ($perlvar{'lonRole'} eq "library") {

    print $fh '<hr><a name="lonsql"><h2>lonsql</h2><h3>Log</h3><pre>';
    print "lonsql\n";
    if (-e "$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";
 
    $restartflag=1;
   
    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>";
	    $restartflag=0;
	} else {
	    $errors++; $errors++;
	    print $fh "<h3>lonsql at pid $lonsqlpid not responding</h3>";
		$restartflag=1;
	print $fh 
	    "<h3>Decided to clean up stale .pid file and restart lonsql</h3>";
	}
    }
    if ($restartflag==1) {
	$errors++;
	         print $fh '<br><font color="red">Killall lonsql: '.
                    system('killall lonsql').' - ';
                    sleep 2;
                    print $fh unlink($lonsqlfile).' - '.
                              system('killall -9 lonsql').
                    '</font><br>';
	print $fh "<h3>lonsql not running, trying to start</h3>";
	system(
 "$perlvar{'lonDaemons'}/lonsql 2>>$perlvar{'lonDaemons'}/logs/lonsql_errors");
	sleep 2;
	if (-e $lonsqlfile) {
	    print $fh "Seems like it started ...<p>";
	    my $lfh=IO::File->new("$lonsqlfile");
	    my $lonsqlpid=<$lfh>;
	    chomp($lonsqlpid);
	    sleep 2;
	    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 2;
	    }
	} 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

print $fh '<hr><a name="lond"><h2>lond</h2><h3>Log</h3><pre>';
print "lond\n";

if (-e "$perlvar{'lonDaemons'}/logs/lond.log"){
open (DFH,"tail -n25 $perlvar{'lonDaemons'}/logs/lond.log|");
while ($line=<DFH>) { 
   print $fh "$line";
   if ($line=~/INFO/) { $notices++; }
   if ($line=~/WARNING/) { $notices++; }
   if ($line=~/CRITICAL/) { $warnings++; }
};
close (DFH);
}
print $fh "</pre>";

my $londfile="$perlvar{'lonDaemons'}/logs/lond.pid";

$restartflag=1;
if (-e $londfile) {    
   my $lfh=IO::File->new("$londfile");
   my $londpid=<$lfh>;
   chomp($londpid);
   if (kill 0 => $londpid) {
      print $fh "<h3>lond at pid $londpid responding, sending USR1</h3>";
      kill USR1 => $londpid;
      $restartflag=0;
   } else {
      $errors++;
      print $fh "<h3>lond at pid $londpid not responding</h3>";
      $restartflag=1;
      print $fh 
	  "<h3>Decided to clean up stale .pid file and restart lond</h3>";
   }
} 
if ($restartflag==1) {
   $errors++;
	  print $fh '<br><font color="red">Killall lond: '.
                    system('killall lond').' - ';
          sleep 2;
          print $fh unlink($londfile).' - '.system('killall -9 lond').
                    '</font><br>';
   print $fh "<h3>lond not running, trying to start</h3>";
   system(
     "$perlvar{'lonDaemons'}/lond 2>>$perlvar{'lonDaemons'}/logs/lond_errors");
   sleep 2;
   if (-e $londfile) {
       print $fh "Seems like it started ...<p>";
       my $lfh=IO::File->new("$londfile");
       my $londpid=<$lfh>;
       chomp($londpid);
       sleep 2;
       if (kill 0 => $londpid) {
          print $fh "<h3>lond at pid $londpid responding</h3>";
       } else {
          $errors++; $errors++;
          print $fh "<h3>lond at pid $londpid not responding</h3>";
          print $fh "Give it one more try ...<p>";
	  system(
 "$perlvar{'lonDaemons'}/lond 2>>$perlvar{'lonDaemons'}/logs/lond_errors");
          sleep 2;
       }
   } else {
       print $fh "Seems like that did not work!<p>";
       $errors++;
   }
   if (-e "$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";

                          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);
# ------------------------------------------------------------------------ lonc

print $fh '<hr><a name="lonc"><h2>lonc</h2><h3>Log</h3><pre>';
print "lonc\n";

if (-e "$perlvar{'lonDaemons'}/logs/lonc.log"){
open (DFH,"tail -n25 $perlvar{'lonDaemons'}/logs/lonc.log|");
while ($line=<DFH>) { 
   print $fh "$line";
   if ($line=~/INFO/) { $notices++; }
   if ($line=~/WARNING/) { $notices++; }
   if ($line=~/CRITICAL/) { $warnings++; }
};
close (DFH);
}
print $fh "</pre>";

my $loncfile="$perlvar{'lonDaemons'}/logs/lonc.pid";

$restartflag=1;
if (-e $loncfile) {
   my $lfh=IO::File->new("$loncfile");
   my $loncpid=<$lfh>;
   chomp($loncpid);
   if (kill 0 => $loncpid) {
      print $fh "<h3>lonc at pid $loncpid responding, sending USR1</h3>";
      kill USR1 => $loncpid;
      $restartflag=0;
   } else {
      $errors++;
      print $fh "<h3>lonc at pid $loncpid not responding</h3>";
      # Solution: kill parent and children processes, remove .pid and restart
	  $restartflag=1;
      print $fh 
	  "<h3>Decided to clean up stale .pid file and restart lonc</h3>";
   }
} 
if ($restartflag==1) {
   $errors++;
	  print $fh '<br><font color="red">Killall lonc: '.
	            system('killall lonc').' - ';
          sleep 2;
          print $fh unlink($loncfile).' - '.system('killall -9 lonc').
                    '</font><br>';
   print $fh "<h3>lonc not running, trying to start</h3>";
	system(
 "$perlvar{'lonDaemons'}/lonc 2>>$perlvar{'lonDaemons'}/logs/lonc_errors");
   sleep 2;
   if (-e $loncfile) {
       print $fh "Seems like it started ...<p>";
       my $lfh=IO::File->new("$loncfile");
       my $loncpid=<$lfh>;
       chomp($loncpid);
       sleep 2;
       if (kill 0 => $loncpid) {
          print $fh "<h3>lonc at pid $loncpid responding</h3>";
       } else {
          $errors++; $errors++;
          print $fh "<h3>lonc at pid $loncpid not responding</h3>";
          print $fh "Give it one more try ...<p>";
 	  system(
 "$perlvar{'lonDaemons'}/lonc 2>>$perlvar{'lonDaemons'}/logs/lonc_errors");
          sleep 2;
       }
   } else {
       print $fh "Seems like that did not work!<p>";
       $errors++;
   }
   if (-e "$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";

                          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);
# ---------------------------------------------------------------------- lonnet

print $fh '<hr><a name="lonnet"><h2>lonnet</h2><h3>Temp Log</h3><pre>';
print "lonnet\n";
if (-e "$perlvar{'lonDaemons'}/logs/lonnet.log"){
open (DFH,"tail -n50 $perlvar{'lonDaemons'}/logs/lonnet.log|");
while ($line=<DFH>) { 
    print $fh "$line";
};
close (DFH);
}
print $fh "</pre><h3>Perm Log</h3><pre>";

if (-e "$perlvar{'lonDaemons'}/logs/lonnet.perm.log") {
    open(DFH,"tail -n10 $perlvar{'lonDaemons'}/logs/lonnet.perm.log|");
while ($line=<DFH>) { 
   print $fh "$line";
};
close (DFH);
} else { print $fh "No perm log\n" }

$fname="$perlvar{'lonDaemons'}/logs/lonnet.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");
}

print $fh "</pre>";
&errout($fh);
# ----------------------------------------------------------------- Connections

print $fh '<hr><a name="connections"><h2>Connections</h2>';

print $fh "<table border=2>";
foreach $tryserver (keys %hostname) {

    $answer=reply("pong",$tryserver);
    if ($answer eq "$tryserver:$perlvar{'lonHostID'}") {
	$result="<b>ok</b>";
    } else {
        $result=$answer;
        $warnings++;
        if ($answer eq 'con_lost') { $warnings++; }
    }
    print $fh "<tr><td>$tryserver</td><td>$result</td></tr>\n";

}
print $fh "</table>";

&errout($fh);
# ------------------------------------------------------------ Delayed messages

print $fh '<hr><a name="delayed"><h2>Delayed Messages</h2>';
print "buffers\n";

print $fh '<h3>Scanning Permanent Log</h3>';

$unsend=0;
{
    my $dfh=IO::File->new("$perlvar{'lonDaemons'}/logs/lonnet.perm.log");
    while ($line=<$dfh>) {
	($time,$sdf,$dserv,$dcmd)=split(/:/,$line);
        if ($sdf eq 'F') { 
	    $local=localtime($time);
            print "<b>Failed: $time, $dserv, $dcmd</b><br>";
            $warnings++;
        }
        if ($sdf eq 'S') { $unsend--; }
        if ($sdf eq 'D') { $unsend++; }
    }
}
print $fh "Total unsend messages: <b>$unsend</b><p>\n";
$warnings=$warnings+5*$unsend;

print $fh "<h3>Outgoing Buffer</h3>";

open (DFH,"ls -lF $perlvar{'lonSockDir'}/delayed|");
while ($line=<DFH>) { 
    print $fh "$line<br>";
};
close (DFH);

# ------------------------------------------------------------------------- End
print $fh "<a name=errcount>\n";
$totalcount=$notices+4*$warnings+100*$errors;
&errout($fh);
print $fh "<h1>Total Error Count: $totalcount</h1>";
$now=time;
$date=localtime($now);
print $fh "<hr>$date ($now)</body></html>\n";
print "writing done\n";
}

rename ("$statusdir/newstatus.html","$statusdir/index.html");

if ($totalcount>200) {
   print "mailing\n";
   $emailto="$perlvar{'lonAdmEMail'},$perlvar{'lonSysEMail'}";
   $subj="LON: $perlvar{'lonHostID'} E:$errors W:$warnings N:$notices"; 
   system(
 "metasend -b -t $emailto -s '$subj' -f $statusdir/index.html -m text/html");
}
1;
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