version 1.85, 2010/07/20 02:42:27
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version 1.102, 2015/05/28 23:50:15
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Line 32 use strict;
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Line 32 use strict;
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use lib '/home/httpd/lib/perl/'; |
use lib '/home/httpd/lib/perl/'; |
use LONCAPA::Configuration; |
use LONCAPA::Configuration; |
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use LONCAPA::Checksumming; |
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use LONCAPA; |
use Apache::lonnet; |
use Apache::lonnet; |
use Apache::loncommon; |
use Apache::loncommon; |
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Line 155 sub checkon_daemon {
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Line 157 sub checkon_daemon {
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$errors++; |
$errors++; |
my $kadaemon=$daemon; |
my $kadaemon=$daemon; |
if ($kadaemon eq 'lonmemcached') { $kadaemon='memcached'; } |
if ($kadaemon eq 'lonmemcached') { $kadaemon='memcached'; } |
&log($fh,'<br><font color="red">Killall '.$daemon.': '. |
&log($fh,'<br /><font color="red">Killall '.$daemon.': '. |
`killall $kadaemon 2>&1`.' - '); |
`killall $kadaemon 2>&1`.' - '); |
sleep 1; |
sleep 1; |
&log($fh,unlink($pidfile).' - '. |
&log($fh,unlink($pidfile).' - '. |
`killall -9 $kadaemon 2>&1`. |
`killall -9 $kadaemon 2>&1`. |
'</font><br>'); |
'</font><br />'); |
&log($fh,"<h3>$daemon not running, trying to start</h3>"); |
&log($fh,"<h3>$daemon not running, trying to start</h3>"); |
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if (&start_daemon($fh,$daemon,$pidfile,$args)) { |
if (&start_daemon($fh,$daemon,$pidfile,$args)) { |
Line 269 sub log_machine_info {
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Line 271 sub log_machine_info {
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&log($fh,"<h3>distprobe</h3>"); |
&log($fh,"<h3>distprobe</h3>"); |
&log($fh,"<pre>"); |
&log($fh,"<pre>"); |
open(DSH,"$perlvar{'lonDaemons'}/distprobe |"); |
&log($fh,&encode_entities(&LONCAPA::distro(),'<>&"')); |
while (my $line=<DSH>) { |
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&log($fh,&encode_entities($line,'<>&"')); |
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$psproc++; |
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} |
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close(DSH); |
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&log($fh,"</pre>"); |
&log($fh,"</pre>"); |
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&errout($fh); |
&errout($fh); |
Line 288 sub start_logging {
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Line 285 sub start_logging {
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&log($fh,(<<ENDHEADERS)); |
&log($fh,(<<ENDHEADERS)); |
<html> |
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> |
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<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> |
<head> |
<head> |
<title>LON Status Report $perlvar{'lonHostID'}</title> |
<title>LON Status Report $perlvar{'lonHostID'}</title> |
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> |
</head> |
</head> |
<body bgcolor="#AAAAAA"> |
<body bgcolor="#AAAAAA"> |
<a name="top" /> |
<a name="top" /> |
Line 301 sub start_logging {
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Line 300 sub start_logging {
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<li><a href="#machine">Machine Information</a></li> |
<li><a href="#machine">Machine Information</a></li> |
<li><a href="#tmp">Temporary Files</a></li> |
<li><a href="#tmp">Temporary Files</a></li> |
<li><a href="#tokens">Session Tokens</a></li> |
<li><a href="#tokens">Session Tokens</a></li> |
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<li><a href="#webdav">WebDAV Session Tokens</a></li> |
<li><a href="#httpd">httpd</a></li> |
<li><a href="#httpd">httpd</a></li> |
<li><a href="#lonsql">lonsql</a></li> |
<li><a href="#lonsql">lonsql</a></li> |
<li><a href="#lond">lond</a></li> |
<li><a href="#lond">lond</a></li> |
Line 331 ENDHEADERS
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Line 331 ENDHEADERS
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"</td><td>".$role. |
"</td><td>".$role. |
"</td><td>".&Apache::lonnet::hostname($id)."</td></tr>\n"); |
"</td><td>".&Apache::lonnet::hostname($id)."</td></tr>\n"); |
} |
} |
&log($fh,"</table><h3>Spare Hosts</h3><ul>"); |
&log($fh,"</table><h3>Spare Hosts</h3>"); |
foreach my $type (sort(keys(%Apache::lonnet::spareid))) { |
if (keys(%Apache::lonnet::spareid) > 0) { |
&log($fh,"<li>$type\n<ol>"); |
&log($fh,"<ul>"); |
foreach my $id (@{ $Apache::lonnet::spareid{$type} }) { |
foreach my $type (sort(keys(%Apache::lonnet::spareid))) { |
&log($fh,"<li>$id</li>\n"); |
&log($fh,"<li>$type\n<ol>"); |
} |
foreach my $id (@{ $Apache::lonnet::spareid{$type} }) { |
&log($fh,"</ol>\n</li>\n"); |
&log($fh,"<li>$id</li>\n"); |
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} |
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&log($fh,"</ol>\n</li>\n"); |
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} |
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&log($fh,"</ul>\n"); |
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} else { |
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&log($fh,"No spare hosts specified<br />\n"); |
} |
} |
&log($fh,"</ul>\n"); |
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return $fh; |
return $fh; |
} |
} |
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Line 485 sub clean_lonIDs {
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Line 490 sub clean_lonIDs {
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my $since=$now-$mtime; |
my $since=$now-$mtime; |
if ($since>$perlvar{'lonExpire'}) { |
if ($since>$perlvar{'lonExpire'}) { |
$cleaned++; |
$cleaned++; |
&log($fh,"Unlinking $fname<br>"); |
&log($fh,"Unlinking $fname<br />"); |
unlink("$fname"); |
unlink("$fname"); |
} else { |
} else { |
$active++; |
$active++; |
Line 495 sub clean_lonIDs {
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Line 500 sub clean_lonIDs {
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&log($fh,"<h3>$active open session(s)</h3>"); |
&log($fh,"<h3>$active open session(s)</h3>"); |
} |
} |
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# ------------------------------------------------ clean out webDAV Session IDs |
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sub clean_webDAV_sessionIDs { |
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my ($fh)=@_; |
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if ($perlvar{'lonRole'} eq 'library') { |
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&log($fh,'<hr /><a name="webdav" /><h2>WebDAV Session Tokens</h2>'); |
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my $cleaned=0; |
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my $active=0; |
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my $now = time; |
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if (-d $perlvar{'lonDAVsessDir'}) { |
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while (my $fname=<$perlvar{'lonDAVsessDir'}/*>) { |
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my @stats = stat($fname); |
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my $since=$now-$stats[9]; |
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if ($since>$perlvar{'lonExpire'}) { |
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$cleaned++; |
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&log($fh,"Unlinking $fname<br />"); |
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unlink("$fname"); |
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} else { |
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$active++; |
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} |
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} |
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&log($fh,"<p>Cleaned up ".$cleaned." stale webDAV session token(s).</p>"); |
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&log($fh,"<h3>$active open webDAV session(s)</h3>"); |
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} |
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} |
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} |
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# ----------------------------------------------------------- clean out sockets |
# ----------------------------------------------------------- clean out sockets |
sub clean_sockets { |
sub clean_sockets { |
my ($fh)=@_; |
my ($fh)=@_; |
Line 514 sub clean_sockets {
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Line 545 sub clean_sockets {
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# ----------------------------------------------------------------------- httpd |
# ----------------------------------------------------------------------- httpd |
sub check_httpd_logs { |
sub check_httpd_logs { |
my ($fh)=@_; |
my ($fh)=@_; |
&log($fh,'<hr /><a name="httpd" /><h2>httpd</h2><h3>Access Log</h3><pre>'); |
if (open(PIPE,"./lchttpdlogs|")) { |
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while (my $line=<PIPE>) { |
open (DFH,"tail -n25 /etc/httpd/logs/access_log|"); |
&log($fh,$line); |
while (my $line=<DFH>) { &log($fh,&encode_entities($line,'<>&"')) }; |
if ($line=~/\[error\]/) { $notices++; } |
close (DFH); |
} |
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close(PIPE); |
&log($fh,"</pre><h3>Error Log</h3><pre>"); |
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open (DFH,"tail -n25 /etc/httpd/logs/error_log|"); |
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while (my $line=<DFH>) { |
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&log($fh,"$line"); |
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if ($line=~/\[error\]/) { $notices++; } |
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} |
} |
close (DFH); |
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&log($fh,"</pre>"); |
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&errout($fh); |
&errout($fh); |
} |
} |
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Line 537 sub check_httpd_logs {
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Line 560 sub check_httpd_logs {
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sub rotate_lonnet_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 $line=<DFH>) { |
Line 581 sub rotate_other_logs {
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Line 604 sub rotate_other_logs {
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sub test_connections { |
sub test_connections { |
my ($fh)=@_; |
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($fh,"<table border='2'>"); |
my ($good,$bad)=(0,0); |
my ($good,$bad)=(0,0); |
my %hostname = &Apache::lonnet::all_hostnames(); |
my %hostname = &Apache::lonnet::all_hostnames(); |
Line 615 sub test_connections {
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Line 638 sub test_connections {
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sub check_delayed_msg { |
sub check_delayed_msg { |
my ($fh)=@_; |
my ($fh)=@_; |
&log($fh,'<hr /><a name="delayed" /><h2>Delayed Messages</h2>'); |
&log($fh,'<hr /><a name="delayed" /><h2>Delayed Messages</h2>'); |
print "checking buffers\n"; |
print "Checking buffers.\n"; |
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&log($fh,'<h3>Scanning Permanent Log</h3>'); |
&log($fh,'<h3>Scanning Permanent Log</h3>'); |
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Line 626 sub check_delayed_msg {
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Line 649 sub check_delayed_msg {
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my ($time,$sdf,$dserv,$dcmd)=split(/:/,$line); |
my ($time,$sdf,$dserv,$dcmd)=split(/:/,$line); |
if ($sdf eq 'F') { |
if ($sdf eq 'F') { |
my $local=localtime($time); |
my $local=localtime($time); |
&log($fh,"<b>Failed: $time, $dserv, $dcmd</b><br>"); |
&log($fh,"<b>Failed: $time, $dserv, $dcmd</b><br />"); |
$warnings++; |
$warnings++; |
} |
} |
if ($sdf eq 'S') { $unsend--; } |
if ($sdf eq 'S') { $unsend--; } |
Line 634 sub check_delayed_msg {
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Line 657 sub check_delayed_msg {
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} |
} |
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&log($fh,"<p>Total unsend messages: <b>$unsend</b></p>\n"); |
&log($fh,"<p>Total unsend messages: <b>$unsend</b></p>\n"); |
$warnings=$warnings+5*$unsend; |
if ($unsend > 0) { |
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$warnings=$warnings+5*$unsend; |
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} |
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if ($unsend) { $simplestatus{'unsend'}=$unsend; } |
if ($unsend) { $simplestatus{'unsend'}=$unsend; } |
&log($fh,"<h3>Outgoing Buffer</h3>\n<pre>"); |
&log($fh,"<h3>Outgoing Buffer</h3>\n<pre>"); |
Line 648 sub check_delayed_msg {
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Line 673 sub check_delayed_msg {
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} |
} |
&log($fh,"</pre>\n"); |
&log($fh,"</pre>\n"); |
close (DFH); |
close (DFH); |
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my %hostname = &Apache::lonnet::all_hostnames(); |
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my $numhosts = scalar(keys(%hostname)); |
# pong to all servers that have delayed messages |
# pong to all servers that have delayed messages |
# this will trigger a reverse connection, which should flush the buffers |
# this will trigger a reverse connection, which should flush the buffers |
foreach my $tryserver (keys %servers) { |
foreach my $tryserver (sort(keys(%servers))) { |
my $answer=&Apache::lonnet::reply("pong",$tryserver); |
if ($hostname{$tryserver} || !$numhosts) { |
&log($fh,"Pong to $tryserver: $answer<br />"); |
my $answer; |
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eval { |
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local $SIG{ ALRM } = sub { die "TIMEOUT" }; |
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alarm(20); |
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$answer = &Apache::lonnet::reply("pong",$tryserver); |
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alarm(0); |
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}; |
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if ($@ && $@ =~ m/TIMEOUT/) { |
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&log($fh,"Attempted pong to $tryserver timed out<br />"); |
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print "Time out while contacting: $tryserver for pong.\n"; |
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} else { |
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&log($fh,"Pong to $tryserver: $answer<br />"); |
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} |
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} else { |
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&log($fh,"$tryserver has delayed messages, but is not part of the cluster -- skipping 'Pong'.<br />"); |
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} |
} |
} |
} |
} |
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Line 665 sub finish_logging {
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Line 707 sub finish_logging {
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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(); |
$fh->close(); |
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if ($errors) { $simplestatus{'errors'}=$errors; } |
if ($errors) { $simplestatus{'errors'}=$errors; } |
Line 686 sub log_simplestatus {
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Line 728 sub log_simplestatus {
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} |
} |
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sub write_loncaparevs { |
sub write_loncaparevs { |
if (open(my $fh,">$perlvar{'lonTabDir'}/loncaparevs.tab")) { |
print "Retrieving LON-CAPA version information.\n"; |
my %hostname = &Apache::lonnet::all_hostnames(); |
my %hostname = &Apache::lonnet::all_hostnames(); |
foreach my $id (sort(keys(%hostname))) { |
my $output; |
if ($id ne '') { |
foreach my $id (sort(keys(%hostname))) { |
my $loncaparev = &Apache::lonnet::get_server_loncaparev('',$id,1,'loncron'); |
if ($id ne '') { |
if ($loncaparev =~ /^[\d.\-]+$/) { |
my $loncaparev; |
print $fh $id.':'.$loncaparev."\n"; |
eval { |
} |
local $SIG{ ALRM } = sub { die "TIMEOUT" }; |
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alarm(10); |
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$loncaparev = |
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&Apache::lonnet::get_server_loncaparev('',$id,1,'loncron'); |
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alarm(0); |
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}; |
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if ($@ && $@ =~ m/TIMEOUT/) { |
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print "Time out while contacting lonHost: $id for version.\n"; |
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} |
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if ($loncaparev =~ /^[\w.\-]+$/) { |
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$output .= $id.':'.$loncaparev."\n"; |
} |
} |
} |
} |
close($fh); |
} |
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if ($output) { |
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if (open(my $fh,">$perlvar{'lonTabDir'}/loncaparevs.tab")) { |
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print $fh $output; |
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close($fh); |
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&Apache::lonnet::load_loncaparevs(); |
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} |
} |
} |
return; |
return; |
} |
} |
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sub write_serverhomeIDs { |
sub write_serverhomeIDs { |
if (open(my $fh,">$perlvar{'lonTabDir'}/serverhomeIDs.tab")) { |
print "Retrieving LON-CAPA lonHostID information.\n"; |
my %name_to_host = &Apache::lonnet::all_names(); |
my %name_to_host = &Apache::lonnet::all_names(); |
foreach my $name (sort(keys(%name_to_host))) { |
my $output; |
if ($name ne '') { |
foreach my $name (sort(keys(%name_to_host))) { |
if (ref($name_to_host{$name}) eq 'ARRAY') { |
if ($name ne '') { |
my $serverhomeID = &Apache::lonnet::get_server_homeID($name,1,'loncron'); |
if (ref($name_to_host{$name}) eq 'ARRAY') { |
if ($serverhomeID ne '') { |
my $serverhomeID; |
print $fh $name.':'.$serverhomeID."\n"; |
eval { |
} else { |
local $SIG{ ALRM } = sub { die "TIMEOUT" }; |
print $fh $name.':'.$name_to_host{$name}->[0]."\n"; |
alarm(10); |
} |
$serverhomeID = |
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&Apache::lonnet::get_server_homeID($name,1,'loncron'); |
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alarm(0); |
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}; |
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if ($@ && $@ =~ m/TIMEOUT/) { |
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print "Time out while contacting server: $name\n"; |
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} |
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if ($serverhomeID ne '') { |
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$output .= $name.':'.$serverhomeID."\n"; |
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} else { |
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$output .= $name.':'.$name_to_host{$name}->[0]."\n"; |
} |
} |
} |
} |
} |
} |
close($fh); |
} |
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if ($output) { |
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if (open(my $fh,">$perlvar{'lonTabDir'}/serverhomeIDs.tab")) { |
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print $fh $output; |
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close($fh); |
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&Apache::lonnet::load_serverhomeIDs(); |
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} |
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} |
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return; |
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} |
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sub write_checksums { |
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my $distro = &LONCAPA::distro(); |
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if ($distro) { |
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print "Retrieving file version and checksumming.\n"; |
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my $numchksums = 0; |
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my ($chksumsref,$versionsref) = |
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&LONCAPA::Checksumming::get_checksums($distro,$perlvar{'lonDaemons'}, |
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$perlvar{'lonLib'}, |
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$perlvar{'lonIncludes'}, |
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$perlvar{'lonTabDir'}); |
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if (ref($chksumsref) eq 'HASH') { |
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$numchksums = scalar(keys(%{$chksumsref})); |
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} |
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print "File version retrieved and checksumming completed for $numchksums files.\n"; |
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} else { |
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print "File version retrieval and checksumming skipped - could not determine Linux distro.\n"; |
} |
} |
return; |
return; |
} |
} |
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sub send_mail { |
sub send_mail { |
print "sending mail\n"; |
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my $defdom = $perlvar{'lonDefDomain'}; |
my $defdom = $perlvar{'lonDefDomain'}; |
my $origmail = $perlvar{'lonAdmEMail'}; |
my $origmail = $perlvar{'lonAdmEMail'}; |
my $emailto = &Apache::loncommon::build_recipient_list(undef, |
my $emailto = &Apache::loncommon::build_recipient_list(undef, |
Line 730 sub send_mail {
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Line 823 sub send_mail {
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if ($totalcount>2500) { |
if ($totalcount>2500) { |
$emailto.=",$perlvar{'lonSysEMail'}"; |
$emailto.=",$perlvar{'lonSysEMail'}"; |
} |
} |
my $subj="LON: $perlvar{'lonHostID'} E:$errors W:$warnings N:$notices"; |
my $from; |
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my $hostname=`/bin/hostname`; |
my $result=system("metasend -b -S 4000000 -t $emailto -s '$subj' -f $statusdir/index.html -m text/html >& /dev/null"); |
chop($hostname); |
if ($result != 0) { |
$hostname=~s/[^\w\.]//g; |
$result=system("mail -s '$subj' $emailto < $statusdir/index.html"); |
if ($hostname) { |
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$from = 'www@'.$hostname; |
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} |
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my $subj="LON: $perlvar{'lonHostID'} E:$errors W:$warnings N:$notices"; |
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my $loncronmail = "To: $emailto\n". |
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"From: $from\n". |
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"Subject: ".$subj."\n". |
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"Content-type: text/html\; charset=UTF-8\n". |
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"MIME-Version: 1.0\n\n"; |
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if (open(my $fh,"<$statusdir/index.html")) { |
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while (<$fh>) { |
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$loncronmail .= $_; |
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} |
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close($fh); |
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} else { |
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$loncronmail .= "Failed to read from http://$hostname/lon-status/index.html\n"; |
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} |
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$loncronmail .= "\n\n"; |
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if (open(my $mailh, "|/usr/lib/sendmail -oi -t -odb")) { |
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print $mailh $loncronmail; |
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close($mailh); |
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print "Sending mail.\n"; |
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} else { |
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print "Sending mail failed.\n"; |
} |
} |
} |
} |
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sub usage { |
sub usage { |
print(<<USAGE); |
print(<<USAGE); |
loncron - housekeeping program that checks up on various parts of Lon-CAPA |
loncron - housekeeping program that checks up on various parts of LON-CAPA |
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Options: |
Options: |
--help Display |
--help Display |
Line 796 sub main () {
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Line 912 sub main () {
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# ----------------------------- Make sure this process is running from user=www |
# ----------------------------- Make sure this process is running from user=www |
my $wwwid=getpwnam('www'); |
my $wwwid=getpwnam('www'); |
if ($wwwid!=$<) { |
if ($wwwid!=$<) { |
print("User ID mismatch. This program must be run as user 'www'\n"); |
print("User ID mismatch. This program must be run as user 'www'.\n"); |
my $emailto="$perlvar{'lonAdmEMail'},$perlvar{'lonSysEMail'}"; |
my $emailto="$perlvar{'lonAdmEMail'},$perlvar{'lonSysEMail'}"; |
my $subj="LON: $perlvar{'lonHostID'} User ID mismatch"; |
my $subj="LON: $perlvar{'lonHostID'} User ID mismatch"; |
system("echo 'User ID mismatch. loncron must be run as user www.' |\ |
system("echo 'User ID mismatch. loncron must be run as user www.' |\ |
mailto $emailto -s '$subj' > /dev/null"); |
mailto $emailto -s '$subj' > /dev/null"); |
exit 1; |
exit 1; |
} |
} |
Line 821 sub main () {
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Line 937 sub main () {
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print $fh "$key\n"; |
print $fh "$key\n"; |
} |
} |
close($fh); |
close($fh); |
my $execpath = $perlvar{'lonDaemons'}.'/lciptables'; |
if (&LONCAPA::try_to_lock('/tmp/lock_lciptables')) { |
system("$execpath $tmpfile"); |
my $execpath = $perlvar{'lonDaemons'}.'/lciptables'; |
unlink($fh); |
system("$execpath $tmpfile"); |
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unlink('/tmp/lock_lciptables'); # Remove the lock file. |
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} |
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unlink($tmpfile); |
} |
} |
} |
} |
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Line 841 sub main () {
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Line 960 sub main () {
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&log_machine_info($fh); |
&log_machine_info($fh); |
&clean_tmp($fh); |
&clean_tmp($fh); |
&clean_lonIDs($fh); |
&clean_lonIDs($fh); |
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&clean_webDAV_sessionIDs($fh); |
&check_httpd_logs($fh); |
&check_httpd_logs($fh); |
&rotate_lonnet_logs($fh); |
&rotate_lonnet_logs($fh); |
&rotate_other_logs($fh); |
&rotate_other_logs($fh); |
Line 866 sub main () {
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Line 986 sub main () {
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&check_delayed_msg($fh); |
&check_delayed_msg($fh); |
&finish_logging($fh); |
&finish_logging($fh); |
&log_simplestatus(); |
&log_simplestatus(); |
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if ($totalcount>200 && !$noemail) { &send_mail(); } |
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} |
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if (!$justcheckconnections && !$justreload) { |
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&write_loncaparevs(); |
&write_loncaparevs(); |
&write_serverhomeIDs(); |
&write_serverhomeIDs(); |
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&write_checksums(); |
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if ($totalcount>200 && !$noemail) { &send_mail(); } |
} |
} |
} |
} |
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&main(); |
&main(); |
1; |
1; |
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