--- loncom/loncron 2011/11/08 22:25:25 1.94
+++ loncom/loncron 2015/05/28 23:50:15 1.102
@@ -2,7 +2,7 @@
# Housekeeping program, started by cron, loncontrol and loncron.pl
#
-# $Id: loncron,v 1.94 2011/11/08 22:25:25 raeburn Exp $
+# $Id: loncron,v 1.102 2015/05/28 23:50:15 raeburn Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -32,6 +32,7 @@ use strict;
use lib '/home/httpd/lib/perl/';
use LONCAPA::Configuration;
+use LONCAPA::Checksumming;
use LONCAPA;
use Apache::lonnet;
use Apache::loncommon;
@@ -156,12 +157,12 @@ sub checkon_daemon {
$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 $kadaemon 2>&1`.' - ');
sleep 1;
&log($fh,unlink($pidfile).' - '.
`killall -9 $kadaemon 2>&1`.
- '</font><br>');
+ '</font><br />');
&log($fh,"<h3>$daemon not running, trying to start</h3>");
if (&start_daemon($fh,$daemon,$pidfile,$args)) {
@@ -270,12 +271,7 @@ sub log_machine_info {
&log($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,&encode_entities(&LONCAPA::distro(),'<>&"'));
&log($fh,"</pre>");
&errout($fh);
@@ -289,9 +285,11 @@ sub start_logging {
&log($fh,(<<ENDHEADERS));
-<html>
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<title>LON Status Report $perlvar{'lonHostID'}</title>
+<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
</head>
<body bgcolor="#AAAAAA">
<a name="top" />
@@ -302,6 +300,7 @@ sub start_logging {
<li><a href="#machine">Machine Information</a></li>
<li><a href="#tmp">Temporary Files</a></li>
<li><a href="#tokens">Session Tokens</a></li>
+<li><a href="#webdav">WebDAV Session Tokens</a></li>
<li><a href="#httpd">httpd</a></li>
<li><a href="#lonsql">lonsql</a></li>
<li><a href="#lond">lond</a></li>
@@ -332,15 +331,20 @@ ENDHEADERS
"</td><td>".$role.
"</td><td>".&Apache::lonnet::hostname($id)."</td></tr>\n");
}
- &log($fh,"</table><h3>Spare Hosts</h3><ul>");
- foreach my $type (sort(keys(%Apache::lonnet::spareid))) {
- &log($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,"</table><h3>Spare Hosts</h3>");
+ if (keys(%Apache::lonnet::spareid) > 0) {
+ &log($fh,"<ul>");
+ foreach my $type (sort(keys(%Apache::lonnet::spareid))) {
+ &log($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,"</ul>\n");
+ } else {
+ &log($fh,"No spare hosts specified<br />\n");
}
- &log($fh,"</ul>\n");
return $fh;
}
@@ -486,7 +490,7 @@ sub clean_lonIDs {
my $since=$now-$mtime;
if ($since>$perlvar{'lonExpire'}) {
$cleaned++;
- &log($fh,"Unlinking $fname<br>");
+ &log($fh,"Unlinking $fname<br />");
unlink("$fname");
} else {
$active++;
@@ -496,6 +500,32 @@ sub clean_lonIDs {
&log($fh,"<h3>$active open session(s)</h3>");
}
+# ------------------------------------------------ clean out webDAV Session IDs
+sub clean_webDAV_sessionIDs {
+ my ($fh)=@_;
+ if ($perlvar{'lonRole'} eq 'library') {
+ &log($fh,'<hr /><a name="webdav" /><h2>WebDAV Session Tokens</h2>');
+ my $cleaned=0;
+ my $active=0;
+ my $now = time;
+ if (-d $perlvar{'lonDAVsessDir'}) {
+ while (my $fname=<$perlvar{'lonDAVsessDir'}/*>) {
+ my @stats = stat($fname);
+ my $since=$now-$stats[9];
+ if ($since>$perlvar{'lonExpire'}) {
+ $cleaned++;
+ &log($fh,"Unlinking $fname<br />");
+ unlink("$fname");
+ } else {
+ $active++;
+ }
+ }
+ &log($fh,"<p>Cleaned up ".$cleaned." stale webDAV session token(s).</p>");
+ &log($fh,"<h3>$active open webDAV session(s)</h3>");
+ }
+ }
+}
+
# ----------------------------------------------------------- clean out sockets
sub clean_sockets {
my ($fh)=@_;
@@ -530,7 +560,7 @@ sub check_httpd_logs {
sub rotate_lonnet_logs {
my ($fh)=@_;
&log($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"){
open (DFH,"tail -n50 $perlvar{'lonDaemons'}/logs/lonnet.log|");
while (my $line=<DFH>) {
@@ -574,7 +604,7 @@ sub rotate_other_logs {
sub test_connections {
my ($fh)=@_;
&log($fh,'<hr /><a name="connections" /><h2>Connections</h2>');
- print "testing connections\n";
+ print "Testing connections.\n";
&log($fh,"<table border='2'>");
my ($good,$bad)=(0,0);
my %hostname = &Apache::lonnet::all_hostnames();
@@ -608,7 +638,7 @@ sub test_connections {
sub check_delayed_msg {
my ($fh)=@_;
&log($fh,'<hr /><a name="delayed" /><h2>Delayed Messages</h2>');
- print "checking buffers\n";
+ print "Checking buffers.\n";
&log($fh,'<h3>Scanning Permanent Log</h3>');
@@ -619,7 +649,7 @@ sub check_delayed_msg {
my ($time,$sdf,$dserv,$dcmd)=split(/:/,$line);
if ($sdf eq 'F') {
my $local=localtime($time);
- &log($fh,"<b>Failed: $time, $dserv, $dcmd</b><br>");
+ &log($fh,"<b>Failed: $time, $dserv, $dcmd</b><br />");
$warnings++;
}
if ($sdf eq 'S') { $unsend--; }
@@ -627,7 +657,9 @@ sub check_delayed_msg {
}
&log($fh,"<p>Total unsend messages: <b>$unsend</b></p>\n");
- $warnings=$warnings+5*$unsend;
+ if ($unsend > 0) {
+ $warnings=$warnings+5*$unsend;
+ }
if ($unsend) { $simplestatus{'unsend'}=$unsend; }
&log($fh,"<h3>Outgoing Buffer</h3>\n<pre>");
@@ -641,20 +673,27 @@ sub check_delayed_msg {
}
&log($fh,"</pre>\n");
close (DFH);
+ my %hostname = &Apache::lonnet::all_hostnames();
+ my $numhosts = scalar(keys(%hostname));
# 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;
- eval {
- local $SIG{ ALRM } = sub { die "TIMEOUT" };
- alarm(20);
- $answer = &Apache::lonnet::reply("pong",$tryserver);
- alarm(0);
- };
- if ($@ && $@ =~ m/TIMEOUT/) {
- print "time out while contacting: $tryserver for pong\n";
+ foreach my $tryserver (sort(keys(%servers))) {
+ if ($hostname{$tryserver} || !$numhosts) {
+ my $answer;
+ eval {
+ local $SIG{ ALRM } = sub { die "TIMEOUT" };
+ alarm(20);
+ $answer = &Apache::lonnet::reply("pong",$tryserver);
+ alarm(0);
+ };
+ if ($@ && $@ =~ m/TIMEOUT/) {
+ &log($fh,"Attempted pong to $tryserver timed out<br />");
+ print "Time out while contacting: $tryserver for pong.\n";
+ } else {
+ &log($fh,"Pong to $tryserver: $answer<br />");
+ }
} else {
- &log($fh,"Pong to $tryserver: $answer<br />");
+ &log($fh,"$tryserver has delayed messages, but is not part of the cluster -- skipping 'Pong'.<br />");
}
}
}
@@ -668,7 +707,7 @@ sub finish_logging {
my $now=time;
my $date=localtime($now);
&log($fh,"<hr />$date ($now)</body></html>\n");
- print "lon-status webpage updated\n";
+ print "lon-status webpage updated.\n";
$fh->close();
if ($errors) { $simplestatus{'errors'}=$errors; }
@@ -689,65 +728,94 @@ sub log_simplestatus {
}
sub write_loncaparevs {
- print "Retrieving LON-CAPA version information\n";
- if (open(my $fh,">$perlvar{'lonTabDir'}/loncaparevs.tab")) {
- my %hostname = &Apache::lonnet::all_hostnames();
- foreach my $id (sort(keys(%hostname))) {
- if ($id ne '') {
- my $loncaparev;
+ print "Retrieving LON-CAPA version information.\n";
+ my %hostname = &Apache::lonnet::all_hostnames();
+ my $output;
+ foreach my $id (sort(keys(%hostname))) {
+ if ($id ne '') {
+ my $loncaparev;
+ eval {
+ local $SIG{ ALRM } = sub { die "TIMEOUT" };
+ alarm(10);
+ $loncaparev =
+ &Apache::lonnet::get_server_loncaparev('',$id,1,'loncron');
+ alarm(0);
+ };
+ if ($@ && $@ =~ m/TIMEOUT/) {
+ print "Time out while contacting lonHost: $id for version.\n";
+ }
+ if ($loncaparev =~ /^[\w.\-]+$/) {
+ $output .= $id.':'.$loncaparev."\n";
+ }
+ }
+ }
+ if ($output) {
+ if (open(my $fh,">$perlvar{'lonTabDir'}/loncaparevs.tab")) {
+ print $fh $output;
+ close($fh);
+ &Apache::lonnet::load_loncaparevs();
+ }
+ }
+ return;
+}
+
+sub write_serverhomeIDs {
+ print "Retrieving LON-CAPA lonHostID information.\n";
+ my %name_to_host = &Apache::lonnet::all_names();
+ my $output;
+ foreach my $name (sort(keys(%name_to_host))) {
+ if ($name ne '') {
+ if (ref($name_to_host{$name}) eq 'ARRAY') {
+ my $serverhomeID;
eval {
local $SIG{ ALRM } = sub { die "TIMEOUT" };
alarm(10);
- $loncaparev =
- &Apache::lonnet::get_server_loncaparev('',$id,1,'loncron');
+ $serverhomeID =
+ &Apache::lonnet::get_server_homeID($name,1,'loncron');
alarm(0);
};
if ($@ && $@ =~ m/TIMEOUT/) {
- print "time out while contacting lonHost: $id for version\n";
+ print "Time out while contacting server: $name\n";
}
- if ($loncaparev =~ /^[\w.\-]+$/) {
- print $fh $id.':'.$loncaparev."\n";
+ if ($serverhomeID ne '') {
+ $output .= $name.':'.$serverhomeID."\n";
+ } else {
+ $output .= $name.':'.$name_to_host{$name}->[0]."\n";
}
}
}
- close($fh);
+ }
+ if ($output) {
+ if (open(my $fh,">$perlvar{'lonTabDir'}/serverhomeIDs.tab")) {
+ print $fh $output;
+ close($fh);
+ &Apache::lonnet::load_serverhomeIDs();
+ }
}
return;
}
-sub write_serverhomeIDs {
- print "Retrieving LON-CAPA lonHostID information\n";
- if (open(my $fh,">$perlvar{'lonTabDir'}/serverhomeIDs.tab")) {
- my %name_to_host = &Apache::lonnet::all_names();
- foreach my $name (sort(keys(%name_to_host))) {
- if ($name ne '') {
- if (ref($name_to_host{$name}) eq 'ARRAY') {
- my $serverhomeID;
- eval {
- local $SIG{ ALRM } = sub { die "TIMEOUT" };
- alarm(10);
- $serverhomeID =
- &Apache::lonnet::get_server_homeID($name,1,'loncron');
- alarm(0);
- };
- if ($@ && $@ =~ m/TIMEOUT/) {
- print "Time out while contacting server: $name\n";
- }
- if ($serverhomeID ne '') {
- print $fh $name.':'.$serverhomeID."\n";
- } else {
- print $fh $name.':'.$name_to_host{$name}->[0]."\n";
- }
- }
- }
+sub write_checksums {
+ my $distro = &LONCAPA::distro();
+ if ($distro) {
+ print "Retrieving file version and checksumming.\n";
+ my $numchksums = 0;
+ my ($chksumsref,$versionsref) =
+ &LONCAPA::Checksumming::get_checksums($distro,$perlvar{'lonDaemons'},
+ $perlvar{'lonLib'},
+ $perlvar{'lonIncludes'},
+ $perlvar{'lonTabDir'});
+ if (ref($chksumsref) eq 'HASH') {
+ $numchksums = scalar(keys(%{$chksumsref}));
}
- close($fh);
+ print "File version retrieved and checksumming completed for $numchksums files.\n";
+ } else {
+ print "File version retrieval and checksumming skipped - could not determine Linux distro.\n";
}
return;
}
sub send_mail {
- print "sending mail\n";
my $defdom = $perlvar{'lonDefDomain'};
my $origmail = $perlvar{'lonAdmEMail'};
my $emailto = &Apache::loncommon::build_recipient_list(undef,
@@ -755,17 +823,40 @@ sub send_mail {
if ($totalcount>2500) {
$emailto.=",$perlvar{'lonSysEMail'}";
}
- my $subj="LON: $perlvar{'lonHostID'} E:$errors W:$warnings N:$notices";
-
- 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");
+ my $from;
+ my $hostname=`/bin/hostname`;
+ chop($hostname);
+ $hostname=~s/[^\w\.]//g;
+ if ($hostname) {
+ $from = 'www@'.$hostname;
+ }
+ my $subj="LON: $perlvar{'lonHostID'} E:$errors W:$warnings N:$notices";
+ my $loncronmail = "To: $emailto\n".
+ "From: $from\n".
+ "Subject: ".$subj."\n".
+ "Content-type: text/html\; charset=UTF-8\n".
+ "MIME-Version: 1.0\n\n";
+ if (open(my $fh,"<$statusdir/index.html")) {
+ while (<$fh>) {
+ $loncronmail .= $_;
+ }
+ close($fh);
+ } else {
+ $loncronmail .= "Failed to read from http://$hostname/lon-status/index.html\n";
+ }
+ $loncronmail .= "\n\n";
+ if (open(my $mailh, "|/usr/lib/sendmail -oi -t -odb")) {
+ print $mailh $loncronmail;
+ close($mailh);
+ print "Sending mail.\n";
+ } else {
+ print "Sending mail failed.\n";
}
}
sub 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
Options:
--help Display
@@ -821,10 +912,10 @@ sub main () {
# ----------------------------- 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");
+ print("User ID mismatch. This program must be run as user 'www'.\n");
my $emailto="$perlvar{'lonAdmEMail'},$perlvar{'lonSysEMail'}";
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");
exit 1;
}
@@ -869,6 +960,7 @@ sub main () {
&log_machine_info($fh);
&clean_tmp($fh);
&clean_lonIDs($fh);
+ &clean_webDAV_sessionIDs($fh);
&check_httpd_logs($fh);
&rotate_lonnet_logs($fh);
&rotate_other_logs($fh);
@@ -896,7 +988,7 @@ sub main () {
&log_simplestatus();
&write_loncaparevs();
&write_serverhomeIDs();
-
+ &write_checksums();
if ($totalcount>200 && !$noemail) { &send_mail(); }
}
}
@@ -904,10 +996,3 @@ sub main () {
&main();
1;
-
-
-
-
-
-
-