--- loncom/loncron 2006/01/27 21:30:53 1.64
+++ loncom/loncron 2017/02/28 05:42:06 1.104
@@ -2,7 +2,7 @@
# Housekeeping program, started by cron, loncontrol and loncron.pl
#
-# $Id: loncron,v 1.64 2006/01/27 21:30:53 albertel Exp $
+# $Id: loncron,v 1.104 2017/02/28 05:42:06 raeburn Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -32,32 +32,23 @@ use strict;
use lib '/home/httpd/lib/perl/';
use LONCAPA::Configuration;
+use LONCAPA::Checksumming;
+use LONCAPA;
+use Apache::lonnet;
+use Apache::loncommon;
use IO::File;
use IO::Socket;
use HTML::Entities;
use Getopt::Long;
+use GDBM_File;
+use Storable qw(thaw);
#globals
use vars qw (%perlvar %simplestatus $errors $warnings $notices $totalcount);
my $statusdir="/home/httpd/html/lon-status";
-# -------------------------------------------------- Non-critical communication
-sub reply {
- my ($cmd,$server,$hostname)=@_;
- my $peerfile="$perlvar{'lonSockDir'}/".$hostname->{$server};
- my $client=IO::Socket::UNIX->new(Peer =>"$peerfile",
- Type => SOCK_STREAM,
- Timeout => 10)
- or return "con_lost";
- print $client "sethost:$server:$cmd\n";
- my $answer=<$client>;
- chomp($answer);
- if (!$answer) { $answer="con_lost"; }
- return $answer;
-}
-
# --------------------------------------------------------- Output error status
sub log {
@@ -76,20 +67,27 @@ sub errout {
ENDERROUT
}
+sub rotate_logfile {
+ my ($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","$file.1");
+ }
+}
+
sub start_daemon {
my ($fh,$daemon,$pidfile,$args) = @_;
my $progname=$daemon;
- if ($daemon eq 'lonc' && $args eq 'new') {
+ if ($daemon eq 'lonc') {
$progname='loncnew';
- print "new ";
}
my $error_fname="$perlvar{'lonDaemons'}/logs/${daemon}_errors";
- my $size=(stat($error_fname))[7];
- if ($size>40000) {
- &log($fh,"<p>Rotating error logs ...</p>");
- rename("$error_fname.2","$error_fname.3");
- rename("$error_fname.1","$error_fname.2");
- rename("$error_fname","$error_fname.1");
+ &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;
@@ -161,12 +159,12 @@ 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)) {
@@ -208,18 +206,7 @@ sub checkon_daemon {
}
my $fname="$perlvar{'lonDaemons'}/logs/$daemon.log";
-
- my ($dev,$ino,$mode,$nlink,
- $uid,$gid,$rdev,$size,
- $atime,$mtime,$ctime,
- $blksize,$blocks)=stat($fname);
-
- if ($size>$maxsize) {
- &log($fh,"<p>Rotating logs ...</p>");
- rename("$fname.2","$fname.3");
- rename("$fname.1","$fname.2");
- rename("$fname","$fname.1");
- }
+ &rotate_logfile($fname,$fh,'logs');
&errout($fh);
return $result;
@@ -286,19 +273,13 @@ sub log_machine_info {
&log($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);
}
sub start_logging {
- my ($hostdom,$hostrole,$hostname,$spareid)=@_;
my $fh=IO::File->new(">$statusdir/newstatus.html");
my %simplestatus=();
my $now=time;
@@ -306,9 +287,11 @@ sub start_logging {
&log($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 $perlvar{'lonHostID'}</title>
+<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
</head>
<body bgcolor="#AAAAAA">
<a name="top" />
@@ -319,11 +302,11 @@ sub start_logging {
<li><a href="#machine">Machine Information</a></li>
<li><a href="#tmp">Temporary Files</a></li>
<li><a href="#tokens">Session Tokens</a></li>
+<li><a href="#webdav">WebDAV Session Tokens</a></li>
<li><a href="#httpd">httpd</a></li>
<li><a href="#lonsql">lonsql</a></li>
<li><a href="#lond">lond</a></li>
<li><a href="#lonc">lonc</a></li>
-<li><a href="#lonhttpd">lonhttpd</a></li>
<li><a href="#lonnet">lonnet</a></li>
<li><a href="#connections">Connections</a></li>
<li><a href="#delayed">Delayed Messages</a></li>
@@ -341,17 +324,29 @@ ENDHEADERS
&encode_entities($perlvar{$varname},'<>&"')."</td></tr>\n");
}
&log($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($fh,
- "<tr><td>$id</td><td>".$hostdom->{$id}.
- "</td><td>".$hostrole->{$id}.
- "</td><td>".$hostname->{$id}."</td></tr>\n");
- }
- &log($fh,"</table><h3>Spare Hosts</h3><ol>");
- foreach my $id (sort(keys(%{$spareid}))) {
- &log($fh,"<li>$id\n</li>");
+ "<tr><td>$id</td><td>".&Apache::lonnet::host_domain($id).
+ "</td><td>".$role.
+ "</td><td>".&Apache::lonnet::hostname($id)."</td></tr>\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,"</ol>\n");
return $fh;
}
@@ -359,33 +354,127 @@ ENDHEADERS
sub clean_tmp {
my ($fh)=@_;
&log($fh,'<hr /><a name="tmp" /><h2>Temporary Files</h2>');
- my $cleaned=0;
- my $old=0;
- while (my $fname=<$perlvar{'lonDaemons'}/tmp/*>) {
- my ($dev,$ino,$mode,$nlink,
- $uid,$gid,$rdev,$size,
- $atime,$mtime,$ctime,
- $blksize,$blocks)=stat($fname);
- my $now=time;
- my $since=$now-$mtime;
- if ($since>$perlvar{'lonExpire'}) {
- my $line='';
- if (open(PROBE,$fname)) {
- $line=<PROBE>;
- close(PROBE);
- }
- unless ($line=~/^CHECKOUTTOKEN\&/) {
- $cleaned++;
- unlink("$fname");
- } else {
- if ($since>365*$perlvar{'lonExpire'}) {
- $cleaned++;
- unlink("$fname");
- } else { $old++; }
- }
- }
+ my ($cleaned,$old,$removed) = (0,0,0);
+ my %errors = (
+ dir => [],
+ file => [],
+ failopen => [],
+ );
+ my %error_titles = (
+ dir => 'failed to remove empty directory:',
+ file => 'failed to unlike stale file',
+ failopen => 'failed to open file or directory'
+ );
+ ($cleaned,$old,$removed) = &recursive_clean_tmp('',$cleaned,$old,$removed,\%errors);
+ &log($fh,"Cleaned up: ".$cleaned." files; removed: $removed empty directories; (found: $old old checkout tokens)");
+ foreach my $key (sort(keys(%errors))) {
+ if (ref($errors{$key}) eq 'ARRAY') {
+ if (@{$errors{$key}} > 0) {
+ &log($fh,"Error during cleanup ($error_titles{$key}):<ul><li>".
+ join('</li><li><tt>',@{$errors{$key}}).'</tt></li></ul><br />');
+ }
+ }
+ }
+}
+
+sub recursive_clean_tmp {
+ my ($subdir,$cleaned,$old,$removed,$errors) = @_;
+ my $base = "$perlvar{'lonDaemons'}/tmp";
+ my $path = $base;
+ next if ($subdir =~ m{\.\./});
+ next unless (ref($errors) eq 'HASH');
+ unless ($subdir eq '') {
+ $path .= '/'.$subdir;
+ }
+ if (opendir(my $dh,"$path")) {
+ while (my $file = readdir($dh)) {
+ next if ($file =~ /^\.\.?$/);
+ my $fname = "$path/$file";
+ if (-d $fname) {
+ my $innerdir;
+ if ($subdir eq '') {
+ $innerdir = $file;
+ } else {
+ $innerdir = $subdir.'/'.$file;
+ }
+ ($cleaned,$old,$removed) =
+ &recursive_clean_tmp($innerdir,$cleaned,$old,$removed,$errors);
+ my @doms = &Apache::lonnet::current_machine_domains();
+
+ if (open(my $dirhandle,$fname)) {
+ unless (($innerdir eq 'helprequests') ||
+ (($innerdir =~ /^addcourse/) && ($innerdir !~ m{/\d+$}))) {
+ my @contents = grep {!/^\.\.?$/} readdir($dirhandle);
+ join('&&',@contents)."\n";
+ if (scalar(grep {!/^\.\.?$/} readdir($dirhandle)) == 0) {
+ closedir($dirhandle);
+ if ($fname =~ m{^\Q$perlvar{'lonDaemons'}\E/tmp/}) {
+ if (rmdir($fname)) {
+ $removed ++;
+ } elsif (ref($errors->{dir}) eq 'ARRAY') {
+ push(@{$errors->{dir}},$fname);
+ }
+ }
+ }
+ } else {
+ closedir($dirhandle);
+ }
+ }
+ } else {
+ my ($dev,$ino,$mode,$nlink,
+ $uid,$gid,$rdev,$size,
+ $atime,$mtime,$ctime,
+ $blksize,$blocks)=stat($fname);
+ my $now=time;
+ my $since=$now-$mtime;
+ if ($since>$perlvar{'lonExpire'}) {
+ if ($subdir eq '') {
+ my $line='';
+ if ($fname =~ /\.db$/) {
+ if (unlink($fname)) {
+ $cleaned++;
+ } elsif (ref($errors->{file}) eq 'ARRAY') {
+ push(@{$errors->{file}},$fname);
+ }
+ } elsif (open(PROBE,$fname)) {
+ my $line='';
+ $line=<PROBE>;
+ close(PROBE);
+ if ($line=~/^CHECKOUTTOKEN\&/) {
+ if ($since>365*$perlvar{'lonExpire'}) {
+ if (unlink($fname)) {
+ $cleaned++;
+ } elsif (ref($errors->{file}) eq 'ARRAY') {
+ push(@{$errors->{file}},$fname);
+ }
+ } else {
+ $old++;
+ }
+ } else {
+ if (unlink($fname)) {
+ $cleaned++;
+ } elsif (ref($errors->{file}) eq 'ARRAY') {
+ push(@{$errors->{file}},$fname);
+ }
+ }
+ } elsif (ref($errors->{failopen}) eq 'ARRAY') {
+ push(@{$errors->{failopen}},$fname);
+ }
+ } else {
+ if (unlink($fname)) {
+ $cleaned++;
+ } elsif (ref($errors->{file}) eq 'ARRAY') {
+ push(@{$errors->{file}},$fname);
+ }
+ }
+ }
+ }
+ }
+ closedir($dh);
+ } elsif (ref($errors->{failopen}) eq 'ARRAY') {
+ push(@{$errors->{failopen}},$path);
}
- &log($fh,"Cleaned up ".$cleaned." files (".$old." old checkout tokens).");
+ return ($cleaned,$old,$removed);
}
# ------------------------------------------------------------ clean out lonIDs
@@ -403,7 +492,7 @@ 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 {
$active++;
@@ -413,25 +502,58 @@ sub clean_lonIDs {
&log($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)=@_;
+ 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
sub check_httpd_logs {
my ($fh)=@_;
- &log($fh,'<hr /><a name="httpd" /><h2>httpd</h2><h3>Access Log</h3><pre>');
-
- open (DFH,"tail -n25 /etc/httpd/logs/access_log|");
- while (my $line=<DFH>) { &log($fh,&encode_entities($line,'<>&"')) };
- close (DFH);
-
- &log($fh,"</pre><h3>Error Log</h3><pre>");
-
- open (DFH,"tail -n25 /etc/httpd/logs/error_log|");
- while (my $line=<DFH>) {
- &log($fh,"$line");
- if ($line=~/\[error\]/) { $notices++; }
+ if (open(PIPE,"./lchttpdlogs|")) {
+ while (my $line=<PIPE>) {
+ &log($fh,$line);
+ if ($line=~/\[error\]/) { $notices++; }
+ }
+ close(PIPE);
}
- close (DFH);
- &log($fh,"</pre>");
&errout($fh);
}
@@ -440,7 +562,7 @@ sub check_httpd_logs {
sub rotate_lonnet_logs {
my ($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 $line=<DFH>) {
@@ -459,34 +581,39 @@ sub rotate_lonnet_logs {
} else { &log($fh,"No perm log\n") }
my $fname="$perlvar{'lonDaemons'}/logs/lonnet.log";
-
- my ($dev,$ino,$mode,$nlink,
- $uid,$gid,$rdev,$size,
- $atime,$mtime,$ctime,
- $blksize,$blocks)=stat($fname);
-
- if ($size>40000) {
- &log($fh,"<p>Rotating logs ...</p>");
- rename("$fname.2","$fname.3");
- rename("$fname.1","$fname.2");
- rename("$fname","$fname.1");
- }
+ &rotate_logfile($fname,$fh,'lonnet log');
&log($fh,"</pre>");
&errout($fh);
}
+sub rotate_other_logs {
+ my ($fh) = @_;
+ my %logs = (
+ autoenroll => 'Auto Enroll log',
+ autocreate => 'Create Course log',
+ searchcat => 'Search Cataloguing log',
+ autoupdate => 'Auto Update log',
+ refreshcourseids_db => 'Refresh CourseIDs db log',
+ );
+ foreach my $item (keys(%logs)) {
+ my $fname=$perlvar{'lonDaemons'}.'/logs/'.$item.'.log';
+ &rotate_logfile($fname,$fh,$logs{$item});
+ }
+}
+
# ----------------------------------------------------------------- Connections
sub test_connections {
- my ($fh,$hostname)=@_;
+ my ($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);
- foreach my $tryserver (sort(keys(%{$hostname}))) {
+ my %hostname = &Apache::lonnet::all_hostnames();
+ foreach my $tryserver (sort(keys(%hostname))) {
print(".");
my $result;
- my $answer=reply("ping",$tryserver,$hostname);
+ my $answer=&Apache::lonnet::reply("ping",$tryserver);
if ($answer eq "$tryserver:$perlvar{'lonHostID'}") {
$result="<b>ok</b>";
$good++;
@@ -513,7 +640,7 @@ sub test_connections {
sub check_delayed_msg {
my ($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>');
@@ -524,7 +651,7 @@ 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') { $unsend--; }
@@ -532,17 +659,45 @@ sub check_delayed_msg {
}
&log($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>");
-
+# list directory with delayed messages and remember offline servers
+ my %servers=();
open (DFH,"ls -lF $perlvar{'lonSockDir'}/delayed|");
- while (my $line=<DFH>) {
+ while (my $line=<DFH>) {
+ my ($server)=($line=~/\.(\w+)$/);
+ if ($server) { $servers{$server}=1; }
&log($fh,&encode_entities($line,'<>&"'));
}
&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 $tryserver (sort(keys(%servers))) {
+ if ($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,"$tryserver has delayed messages, but is not part of the cluster -- skipping 'Pong'.<br />");
+ }
+ }
}
sub finish_logging {
@@ -554,7 +709,7 @@ 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; }
@@ -564,7 +719,7 @@ sub finish_logging {
}
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");
foreach (keys %simplestatus) {
@@ -574,27 +729,260 @@ sub log_simplestatus {
$sfh->close();
}
+sub write_loncaparevs {
+ 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);
+ $serverhomeID =
+ &Apache::lonnet::get_server_homeID($name,1,'loncron');
+ alarm(0);
+ };
+ if ($@ && $@ =~ m/TIMEOUT/) {
+ print "Time out while contacting server: $name\n";
+ }
+ if ($serverhomeID ne '') {
+ $output .= $name.':'.$serverhomeID."\n";
+ } else {
+ $output .= $name.':'.$name_to_host{$name}->[0]."\n";
+ }
+ }
+ }
+ }
+ if ($output) {
+ if (open(my $fh,">$perlvar{'lonTabDir'}/serverhomeIDs.tab")) {
+ print $fh $output;
+ close($fh);
+ &Apache::lonnet::load_serverhomeIDs();
+ }
+ }
+ return;
+}
+
+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}));
+ }
+ print "File version retrieved and checksumming completed for $numchksums files.\n";
+ } else {
+ print "File version retrieval and checksumming skipped - could not determine Linux distro.\n";
+ }
+ return;
+}
+
+sub write_connection_config {
+ my ($isprimary,$domconf,$url,%connectssl);
+ my $primaryLibServer = &Apache::lonnet::domain($perlvar{'lonDefDomain'},'primary');
+ if ($primaryLibServer eq $perlvar{'lonHostID'}) {
+ $isprimary = 1;
+ } elsif ($primaryLibServer ne '') {
+ my $protocol = $Apache::lonnet::protocol{$primaryLibServer};
+ my $hostname = &Apache::lonnet::hostname($primaryLibServer);
+ unless ($protocol eq 'https') {
+ $protocol = 'http';
+ }
+ $url = $protocol.'://'.$hostname.'/cgi-bin/listdomconfig.pl';
+ }
+ my $domconf = &get_domain_config($perlvar{'lonDefDomain'},$primaryLibServer,$isprimary,
+ $url);
+ if (ref($domconf) eq 'HASH') {
+ if (ref($domconf->{'ssl'}) eq 'HASH') {
+ foreach my $connect ('connto','connfrom') {
+ if (ref($domconf->{'ssl'}->{$connect}) eq 'HASH') {
+ my ($sslreq,$sslnoreq,$currsetting);
+ my %contypes;
+ foreach my $type ('dom','intdom','other') {
+ $connectssl{$connect.'_'.$type} = $domconf->{'ssl'}->{$connect}->{$type};
+ }
+ }
+ }
+ }
+ if (keys(%connectssl)) {
+ if (open(my $fh,">$perlvar{'lonTabDir'}/connectionrules.tab")) {
+ my $count = 0;
+ foreach my $key (sort(keys(%connectssl))) {
+ print $fh "$key=$connectssl{$key}\n";
+ $count ++;
+ }
+ close($fh);
+ print "Completed writing SSL options for lonc/lond for $count items.\n";
+ }
+ } else {
+ print "Writing of SSL options skipped - no connection rules in domain configuration.\n";
+ }
+ } else {
+ print "Retrieval of SSL options for lonc/lond skipped - no configuration data available for domain.\n";
+ }
+}
+
+sub get_domain_config {
+ my ($dom,$primlibserv,$isprimary,$url) = @_;
+ my %confhash;
+ if ($isprimary) {
+ my $lonusersdir = $perlvar{'lonUsersDir'};
+ my $fname = $lonusersdir.'/'.$dom.'/configuration.db';
+ if (-e $fname) {
+ my $dbref=&LONCAPA::locking_hash_tie($fname,&GDBM_READER());
+ if (ref($dbref) eq 'HASH') {
+ foreach my $key (sort(keys(%{$dbref}))) {
+ my $value = $dbref->{$key};
+ if ($value =~ s/^__FROZEN__//) {
+ $value = thaw(&LONCAPA::unescape($value));
+ } else {
+ $value = &LONCAPA::unescape($value);
+ }
+ $confhash{$key} = $value;
+ }
+ &LONCAPA::locking_hash_untie($dbref);
+ }
+ }
+ } else {
+ if (open(PIPE,"wget --no-check-certificate '$url?primary=$primlibserv&format=raw' |")) {
+ my $config = '';
+ while (<PIPE>) {
+ $config .= $_;
+ }
+ close(PIPE);
+ if ($config) {
+ my @pairs=split(/\&/,$config);
+ foreach my $item (@pairs) {
+ my ($key,$value)=split(/=/,$item,2);
+ my $what = &LONCAPA::unescape($key);
+ if ($value =~ s/^__FROZEN__//) {
+ $value = thaw(&LONCAPA::unescape($value));
+ } else {
+ $value = &LONCAPA::unescape($value);
+ }
+ $confhash{$what}=$value;
+ }
+ }
+ }
+ }
+ return \%confhash;
+}
+
+sub write_hosttypes {
+ my %intdom = &Apache::lonnet::all_host_intdom();
+ my %hostdom = &Apache::lonnet::all_host_domain();
+ my $dom = $hostdom{$perlvar{'lonHostID'}};
+ my $internetdom = $intdom{$perlvar{'lonHostID'}};
+ if (($dom ne '') && ($internetdom ne '')) {
+ if (keys(%hostdom)) {
+ if (open(my $fh,">$perlvar{'lonTabDir'}/hosttypes.tab")) {
+ my $count = 0;
+ foreach my $lonid (sort(keys(%hostdom))) {
+ my $type = 'other';
+ if ($hostdom{$lonid} eq $dom) {
+ $type = 'dom';
+ } elsif ($intdom{$lonid} eq $internetdom) {
+ $type = 'intdom';
+ }
+ print $fh "$lonid:$type\n";
+ $count ++;
+ }
+ close($fh);
+ print "Completed writing host type data for $count hosts.\n";
+ }
+ } else {
+ print "Writing of host types skipped - no hosts found.\n";
+ }
+ } else {
+ print "Writing of host types skipped - could not determine this host's LON-CAPA domain or 'internet' domain.\n";
+ }
+}
+
sub send_mail {
- print "sending mail\n";
- my $emailto="$perlvar{'lonAdmEMail'}";
+ my $defdom = $perlvar{'lonDefDomain'};
+ my $origmail = $perlvar{'lonAdmEMail'};
+ my $emailto = &Apache::loncommon::build_recipient_list(undef,
+ 'lonstatusmail',$defdom,$origmail);
if ($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 help
- --oldlonc When starting the lonc daemon use 'lonc' not 'loncnew'
+ --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
@@ -614,10 +1002,9 @@ USAGE
# ================================================================ Main Program
sub main () {
- my ($oldlonc,$help,$justcheckdaemons,$noemail,$justcheckconnections,
+ my ($help,$justcheckdaemons,$noemail,$justcheckconnections,
$justreload);
&GetOptions("help" => \$help,
- "oldlonc" => \$oldlonc,
"justcheckdaemons" => \$justcheckdaemons,
"noemail" => \$noemail,
"justcheckconnections" => \$justcheckconnections,
@@ -630,7 +1017,7 @@ sub main () {
undef $perlvarref;
delete $perlvar{'lonReceipt'}; # 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
# I only test for one thing here (lonHostID). This is just a safeguard.
if ('{[[[[lonHostID]]]]}' eq $perlvar{'lonHostID'}) {
@@ -648,40 +1035,53 @@ 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;
}
-# ------------------------------------------------------------- Read hosts file
- my $config=IO::File->new("$perlvar{'lonTabDir'}/hosts.tab");
-
- my (%hostname,%hostdom,%hostrole,%spareid);
- while (my $configline=<$config>) {
- next if ($configline =~ /^(\#|\s*\$)/);
- my ($id,$domain,$role,$name)=split(/:/,$configline);
- if ($id && $domain && $role && $name) {
- $name=~s/\s//g;
- $hostname{$id}=$name;
- $hostdom{$id}=$domain;
- $hostrole{$id}=$role;
- }
- }
- 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;
- }
+# -------------------------------------------- Force reload of host information
+ my $nomemcache;
+ if ($justcheckdaemons) {
+ $nomemcache=1;
+ my $memcachepidfile="$perlvar{'lonDaemons'}/logs/memcached.pid";
+ my $memcachepid;
+ if (-e $memcachepidfile) {
+ my $memfh=IO::File->new($memcachepidfile);
+ $memcachepid=<$memfh>;
+ chomp($memcachepid);
+ if ($memcachepid =~ /^\d+$/ && kill 0 => $memcachepid) {
+ undef($nomemcache);
+ }
+ }
+ }
+ &Apache::lonnet::load_hosts_tab(1,$nomemcache);
+ &Apache::lonnet::load_domain_tab(1,$nomemcache);
+ &Apache::lonnet::get_iphost(1,$nomemcache);
+
+# ----------------------------------------- Force firewall update for lond port
+
+ if ((!$justcheckdaemons) && (!$justreload)) {
+ my $now = time;
+ my $tmpfile = $perlvar{'lonDaemons'}.'/tmp/lciptables_iphost_'.
+ $now.$$.int(rand(10000));
+ if (open(my $fh,">$tmpfile")) {
+ my %iphosts = &Apache::lonnet::get_iphost();
+ foreach my $key (keys(%iphosts)) {
+ print $fh "$key\n";
+ }
+ close($fh);
+ if (&LONCAPA::try_to_lock('/tmp/lock_lciptables')) {
+ my $execpath = $perlvar{'lonDaemons'}.'/lciptables';
+ system("$execpath $tmpfile");
+ unlink('/tmp/lock_lciptables'); # Remove the lock file.
+ }
+ unlink($tmpfile);
+ }
}
- undef $config;
# ---------------------------------------------------------------- Start report
@@ -692,41 +1092,44 @@ sub main () {
my $fh;
if (!$justcheckdaemons && !$justcheckconnections && !$justreload) {
- $fh=&start_logging(\%hostdom,\%hostrole,\%hostname,\%spareid);
+ $fh=&start_logging();
&log_machine_info($fh);
&clean_tmp($fh);
&clean_lonIDs($fh);
+ &clean_webDAV_sessionIDs($fh);
&check_httpd_logs($fh);
&rotate_lonnet_logs($fh);
+ &rotate_other_logs($fh);
}
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');
}
- my $args='new';
- if ($oldlonc) { $args = ''; }
- if ( &checkon_daemon($fh,'lonc',40000,'USR1',$args) eq 'running') {
- &checkon_daemon($fh,'lond',40000,'USR2',$args);
- }
- &checkon_daemon($fh,'lonhttpd',40000);
- &checkon_daemon($fh,'lonmemcached',40000);
+ &checkon_daemon($fh,'lonc',40000,'USR1');
+ &checkon_daemon($fh,'lonmaxima',40000);
+ &checkon_daemon($fh,'lonr',40000);
}
if ($justreload) {
+ &write_connection_config();
+ &write_hosttypes();
&checkon_daemon($fh,'lond',40000,'USR2');
- my $args='new';
- if ($oldlonc) { $args = ''; }
- &checkon_daemon($fh,'lonc',40000,'USR2',$args);
+ &checkon_daemon($fh,'lonc',40000,'USR2');
}
if ($justcheckconnections) {
- &test_connections($fh,\%hostname);
+ &test_connections($fh);
}
if (!$justcheckdaemons && !$justcheckconnections && !$justreload) {
&check_delayed_msg($fh);
&finish_logging($fh);
&log_simplestatus();
-
+ &write_loncaparevs();
+ &write_serverhomeIDs();
+ &write_checksums();
+ &write_connection_config();
+ &write_hosttypes();
if ($totalcount>200 && !$noemail) { &send_mail(); }
}
}
@@ -734,10 +1137,3 @@ sub main () {
&main();
1;
-
-
-
-
-
-
-