--- loncom/loncron 2002/06/08 14:59:04 1.30
+++ loncom/loncron 2020/05/06 13:34:22 1.122
@@ -1,722 +1,1697 @@
#!/usr/bin/perl
-# The LearningOnline Network
-# Housekeeping program, started by cron
+# Housekeeping program, started by cron, loncontrol and loncron.pl
+#
+# $Id: loncron,v 1.122 2020/05/06 13:34:22 raeburn Exp $
+#
+# Copyright Michigan State University Board of Trustees
+#
+# This file is part of the LearningOnline Network with CAPA (LON-CAPA).
+#
+# LON-CAPA is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# LON-CAPA is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with LON-CAPA; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+#
+# /home/httpd/html/adm/gpl.txt
+#
+# http://www.lon-capa.org/
#
-# (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 strict;
use lib '/home/httpd/lib/perl/';
use LONCAPA::Configuration;
+use LONCAPA::Checksumming;
+use LONCAPA;
+use LONCAPA::LWPReq;
+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);
+use File::ReadBackwards;
+use File::Copy;
+#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)=@_;
- 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 log {
+ my $fh=shift;
+ if ($fh) { print $fh @_ }
+}
+
sub errout {
my $fh=shift;
- print $fh (<
+ Rotating $description ... Seems like it started ... Seems like that did not work! ');
+ printf("%-15s ",$daemon);
+ if ($fh) {
+ if (-e "$perlvar{'lonDaemons'}/logs/$daemon.log"){
+ if (open(DFH,"tail -n25 $perlvar{'lonDaemons'}/logs/$daemon.log|")) {
+ while (my $line= Give it one more try ... Unable to start $daemon
+ &log($fh,(<
Notices $notices Warnings $warnings
- Errors $errors '.$daemon.'
Log
$daemon at pid $daemonpid responding");
+ if ($send) { &log($fh,", sending $send"); }
+ &log($fh,"
");
+ if ($send eq 'USR1') { kill USR1 => $daemonpid; }
+ if ($send eq 'USR2') { kill USR2 => $daemonpid; }
+ $restartflag=0;
+ if ($send eq 'USR2') {
+ $result = 'reloaded';
+ print "reloaded\n";
+ } else {
+ $result = 'running';
+ print "running\n";
+ }
+ } else {
+ $errors++;
+ &log($fh,"$daemon at pid $daemonpid not responding
");
+ $restartflag=1;
+ &log($fh,"Decided to clean up stale .pid file and restart $daemon
");
+ }
+ }
+ if ($restartflag==1) {
+ $simplestatus{$daemon}='off';
+ $errors++;
+ my $kadaemon=$daemon;
+ if ($kadaemon eq 'lonmemcached') { $kadaemon='memcached'; }
+ &log($fh,'
Killall '.$daemon.': '.
+ `killall $kadaemon 2>&1`.' - ');
+ sleep 1;
+ &log($fh,unlink($pidfile).' - '.
+ `killall -9 $kadaemon 2>&1`.
+ '
');
+ if ($kadaemon eq 'loncnew') {
+ &clean_lonc_childpids();
+ }
+ &log($fh,"$daemon not running, trying to start
");
+
+ if (&start_daemon($fh,$daemon,$pidfile,$args)) {
+ &log($fh,"$daemon at pid $daemonpid responding
");
+ $simplestatus{$daemon}='restarted';
+ $result = 'started';
+ print "started\n";
+ } else {
+ $errors++;
+ &log($fh,"$daemon at pid $daemonpid not responding
");
+ &log($fh,"$daemon at pid $daemonpid responding
");
+ $simplestatus{$daemon}='restarted';
+ $result = 'started';
+ print "started\n";
+ } else {
+ $result = 'failed';
+ print " failed\n";
+ $simplestatus{$daemon}='failed';
+ $errors++; $errors++;
+ &log($fh,"$daemon at pid $daemonpid not responding
");
+ &log($fh,"");
+ if (open(DFH,"tail -n100 $perlvar{'lonDaemons'}/logs/$daemon.log|")) {
+ while (my $line=
"); + + open (DFH,"df|"); + while (my $line="); -$errors=0; -$warnings=0; -$notices=0; -$now=time; -$date=localtime($now); + &log($fh,") { + &log($fh,&encode_entities($line,'<>&"')); + @parts=split(/\s+/,$line); + my $usage=$parts[4]; + $usage=~s/\W//g; + if ($usage>90) { + $warnings++; + $notices++; + } elsif ($usage>80) { + $warnings++; + } elsif ($usage>60) { + $notices++; + } + if ($usage>95) { $warnings++; $warnings++; $simplestatus{'diskfull'}++; } + } + close (DFH); + &log($fh,"
"); + my $psproc=0; -{ -my $fh=IO::File->new(">$statusdir/newstatus.html"); + open (PSH,"ps aux --cols 140 |"); + while (my $line="); + + if ($psproc>200) { $notices++; } + if ($psproc>250) { $notices++; } -print $fh (<) { + &log($fh,&encode_entities($line,'<>&"')); + $psproc++; + } + close (PSH); + &log($fh,"
"); + &log($fh,&encode_entities(&LONCAPA::distro(),'<>&"')); + &log($fh,""); + + &errout($fh); +} + +sub start_logging { + my $fh=IO::File->new(">$statusdir/newstatus.html"); + my %simplestatus=(); + my $now=time; + my $date=localtime($now); + + + &log($fh,(<
$varname | $perlvar{$varname} |
$id | $hostdom{$id} | $hostrole{$id} | "; -print $fh "$hostname{$id} | $hostip{$id} |
$id | ".&Apache::lonnet::host_domain($id). + " | ".$role. + " | ".&Apache::lonnet::hostname($id)." |
Cleaned up ".$cleaned." stale session token(s).
"); + &log($fh,""; - -open (DFH,"df|"); -while ($line="; - - -print $fh ") { - 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 $fh "
"; -$psproc=0; - -open (PSH,"ps -aux|"); -while ($line="; -if ($psproc>200) { $notices++; } -if ($psproc>250) { $notices++; } +# ------------------------------------------------ clean out webDAV Session IDs +sub clean_webDAV_sessionIDs { + my ($fh)=@_; + if ($perlvar{'lonRole'} eq 'library') { + &log($fh,') { - print $fh "$line"; - $psproc++; +sub clean_balanceIDs { + my ($fh)=@_; + &log($fh,' Session Tokens
'); + my $cleaned=0; + my $active=0; + if (-d $perlvar{'lonBalanceDir'}) { + while (my $fname=<$perlvar{'balanceDir'}/*.id>) { + 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'}) { + $cleaned++; + &log($fh,"Unlinking $fname
"); + unlink("$fname"); + } else { + $active++; + } + } + } + &log($fh,"Cleaned up ".$cleaned." stale balancer files
"); + &log($fh,"$active unexpired balancer files
"); } -close (PSH); -print $fh "
Cleaned up ".$cleaned." stale webDAV session token(s).
"); + &log($fh,"Cleaned up ".$cleaned." old LTI session pointers.
"); + &log($fh,"Cleaned up ".$cleaned." stale sockets.
"); } -print $fh "Cleaned up ".$cleaned." stale session token(s)."; -print $fh "
'; +# ---------------------------------------------------------------------- lonnet -open (DFH,"tail -n25 /etc/httpd/logs/access_log|"); -while ($line=) { print $fh "$line" }; -close (DFH); - -print $fh "
"; - -open (DFH,"tail -n25 /etc/httpd/logs/error_log|"); -while ($line="; -&errout($fh); - - -# ---------------------------------------------------------------------- lonsql - -my $restartflag=1; -if ($perlvar{'lonRole'} eq "library") { - - print $fh ') { - print $fh "$line"; - if ($line=~/\[error\]/) { $notices++; } -}; -close (DFH); -print $fh "
'; - print "lonsql\n"; - if (-e "$perlvar{'lonDaemons'}/logs/lonsql.log"){ - open (DFH,"tail -n100 $perlvar{'lonDaemons'}/logs/lonsql.log|"); - while ($line=) { - print $fh "$line"; - if ($line=~/INFO/) { $notices++; } - if ($line=~/WARNING/) { $notices++; } - if ($line=~/CRITICAL/) { $warnings++; } - }; +sub rotate_lonnet_logs { + my ($fh)=@_; + &log($fh,' lonnet
Temp Log
'); + print "Checking logs.\n"; + if (-e "$perlvar{'lonDaemons'}/logs/lonnet.log"){ + open (DFH,"tail -n50 $perlvar{'lonDaemons'}/logs/lonnet.log|"); + while (my $line="; + &log($fh,") { + &log($fh,&encode_entities($line,'<>&"')); + } close (DFH); } - print $fh "
"); - 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 $fh ""); + &errout($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{$item}); } - if ($restartflag==1) { - $errors++; - print $fh 'lonsql at pid $lonsqlpid responding
"; - $restartflag=0; - } else { - $errors++; $errors++; - print $fh "lonsql at pid $lonsqlpid not responding
"; - $restartflag=1; - print $fh - "Decided to clean up stale .pid file and restart lonsql
"; + if (-e "$perlvar{'lonDaemons'}/logs/lonnet.perm.log") { + open(DFH,"tail -n10 $perlvar{'lonDaemons'}/logs/lonnet.perm.log|"); + while (my $line=) { + &log($fh,&encode_entities($line,'<>&"')); } + close (DFH); + } else { &log($fh,"No perm log\n") } + + my $fname="$perlvar{'lonDaemons'}/logs/lonnet.log"; + &rotate_logfile($fname,$fh,'lonnet log'); + + &log($fh,"
"; - my $lfh=IO::File->new("$lonsqlfile"); - my $lonsqlpid=<$lfh>; - chomp($lonsqlpid); - sleep 2; - if (kill 0 => $lonsqlpid) { - print $fh "
$tryserver | $result |
"; - rename("$fname.2","$fname.3"); - rename("$fname.1","$fname.2"); - rename("$fname","$fname.1"); + my %hostname = &Apache::lonnet::all_hostnames(); + my $numhosts = scalar(keys(%hostname)); + my $checkbackwards = 0; + my $checkfrom = 0; + my $checkexcluded = 0; + my (%bymachine,%weights,%exclusions,%serverhomes); + if (ref($weightsref) eq 'HASH') { + %weights = %{$weightsref}; + } + if (ref($exclusionsref) eq 'HASH') { + %exclusions = %{$exclusionsref}; + if (keys(%exclusions)) { + $checkexcluded = 1; + %serverhomes = &read_serverhomeIDs(); + } } - &errout($fh); -} -# ------------------------------------------------------------------------ lond +# +# For LON-CAPA 1.2.0 to 2.1.3 (release dates: 8/31/2004 and 3/31/2006) any +# entry logged in lonnet.perm.log for completion of a delayed (critical) +# transaction lacked the hostID for the remote node to which the command +# to be completed was sent. +# +# Because of this, exclusion of items in lonnet.perm.log for nodes which are +# no longer part of the cluster from adding to the overall "unsend" count +# needs additional effort besides the changes made in loncron rev. 1.105. +# +# For "S" (completion) events logging in LON-CAPA 1.2.0 through 2.1.3 included +# "LondTransaction=HASH(hexadecimal)->getClient() :$cmd, where the hexadecimal +# is a memory location, and $cmd is the command sent to the remote node. +# +# Starting with 2.2.0 (released 8/21/2006) logging for "S" (completion) events +# had sethost:$host_id:$cmd after LondTransaction=HASH(hexadecimal)->getClient() +# +# Starting with 2.4.1 (released 6/13/2007) logging for "S" replaced echoing the +# getClient() call with the result of the Transaction->getClient() call itself +# undef for completion of delivery of a delayed message. +# +# The net effect of these changes is that lonnet.perm.log is now accessed three +# times: (a) oldest record is checked, if earlier than release date for 2.5.0 +# then (b) file is read backwards, with timestamp recorded for most recent +# instance of logged "S" event for "update" command without "sethost:$host_id:" +# then (c) file is read forward with records ignored which predate the timestamp +# recorded in (b), if one was found. +# +# In (c), when calculating the unsend total, i.e., the difference between delayed +# transactions ("D") and sent transactions ("S"), transactions are ignored if the +# target node is no longer in the cluster, and also (for "update" commands), if +# the target node is in the list of nodes excluded from the count, in the domain +# configuration for this machine's default domain. The idea here is to remove +# delayed "update" commands for nodes for which inbound access to port 5663, +# is blocked, but are still part of the LON-CAPA network, (i.e., they can still +# replicate content from other nodes). +# + + my $dfh=IO::File->new("$perlvar{'lonDaemons'}/logs/lonnet.perm.log","r"); + if (defined($dfh)) { + while (my $line=<$dfh>) { + my ($time,$sdf,$rest)=split(/:/,$line,3); + if ($time < 1541185772) { + $checkbackwards = 1; + } + last; + } + undef $dfh; + } -print $fh '
'; -print "lond\n"; + if ($checkbackwards) { + if (tie *BW, 'File::ReadBackwards', "$perlvar{'lonDaemons'}/logs/lonnet.perm.log") { + while(my $line="; - -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 $fh ") { + if ($line =~ /\QLondTransaction=HASH\E[^:]+:update:/) { + ($checkfrom) = split(/:/,$line,2); + last; + } + } + close(BW); + } + } + $dfh=IO::File->new("$perlvar{'lonDaemons'}/logs/lonnet.perm.log","r"); + if (defined($dfh)) { + while (my $line=<$dfh>) { + my ($time,$sdf,$rest)=split(/:/,$line,3); + next unless (($sdf eq 'F') || ($sdf eq 'S') || ($sdf eq 'D')); + next if (($checkfrom) && ($time <= $checkfrom)); + my ($dserv,$dcmd); + if ($sdf eq 'S') { + my ($serva,$cmda,$servb,$cmdb) = split(/:/,$rest); + if ($cmda eq 'sethost') { + chomp($cmdb); + $dcmd = $cmdb; + } else { + $dcmd = $cmda; + } + if (($serva =~ /^LondTransaction/) || ($serva eq '')) { + unless (($servb eq '') || ($servb =~ m{^/})) { + $dserv = $servb; + } + } else { + $dserv = $serva; + } + } else { + ($dserv,$dcmd) = split(/:/,$rest); + } + if ($sdf eq 'F') { + my $local=localtime($time); + &log($fh,"Failed: $time, $dserv, $dcmd
"); + $warnings++; + } + next if ((($dserv eq '') || ($dcmd eq '')) && ($sdf ne 'F')); + if ($sdf eq 'S') { + if ($dcmd eq 'update') { + if ($hostname{$dserv}) { + if ($exclusions{$serverhomes{$hostname{$dserv}}}) { + $ignored --; + } else { + $unsend --; + } + } + if (exists($bymachine{$dserv})) { + $bymachine{$dserv} --; + } else { + $bymachine{$dserv} = -1; + } + } else { + if ($hostname{$dserv}) { + $unsend --; + } + } + } elsif ($sdf eq 'D') { + if ($dcmd eq 'update') { + if ($hostname{$dserv}) { + if ($exclusions{$serverhomes{$hostname{$dserv}}}) { + $ignored ++; + } else { + $unsend ++; + } + } + if (exists($bymachine{$dserv})) { + $bymachine{$dserv} ++; + } else { + $bymachine{$dserv} = 1; + } + } else { + if ($hostname{$dserv}) { + $unsend ++; + } + } + } + } + undef $dfh; + my $nodest = 0; + my $retired = 0; + my %active; + if (keys(%bymachine)) { + unless ($checkexcluded) { + %serverhomes = &read_serverhomeIDs(); + } + foreach my $key (keys(%bymachine)) { + if ($bymachine{$key} > 0) { + if ($hostname{$key}) { + $active{$serverhomes{$hostname{$key}}} += $bymachine{$key}; + } else { + $retired ++; + $nodest += $bymachine{$key}; + } + } + } + } + if (keys(%active)) { + &log($fh,"Unsend messages by node, active (undegraded) nodes in cluster
\n"); + foreach my $key (sort(keys(%active))) { + &log($fh,&encode_entities("$key => $active{$key}",'<>&"')."\n"); + } + } + &log($fh,"Total unsend messages: $unsend for ".scalar(keys(%active))." active (undegraded) nodes in cluster.
\n"); + if (keys(%exclusions) > 0) { + &log($fh,"Total incomplete updates $ignored for ".scalar(keys(%exclusions))." degraded nodes in cluster.
\n"); + } + if ($retired) { + &log($fh,"Total unsent $nodest for $retired nodes no longer in cluster.
\n"); + } + if ($unsend > 0) { + $warnings=$warnings+$weights{'U'}*$unsend; + } + } -if (-e "$perlvar{'lonDaemons'}/logs/lond.log"){ -open (DFH,"tail -n25 $perlvar{'lonDaemons'}/logs/lond.log|"); -while ($line=) { - print $fh "$line"; - if ($line=~/INFO/) { $notices++; } - if ($line=~/WARNING/) { $notices++; } - if ($line=~/CRITICAL/) { $warnings++; } -}; -close (DFH); -} -print $fh "
"; - my $lfh=IO::File->new("$londfile"); - my $londpid=<$lfh>; - chomp($londpid); - sleep 2; - if (kill 0 => $londpid) { - print $fh "
"; - system( - "$perlvar{'lonDaemons'}/lond 2>>$perlvar{'lonDaemons'}/logs/lond_errors"); - sleep 2; - } - } else { - print $fh "Seems like that did not work!
"; - $errors++; - } - if (-e "$perlvar{'lonDaemons'}/logs/lond.log"){ - print $fh "
"; - open (DFH,"tail -n100 $perlvar{'lonDaemons'}/logs/lond.log|"); - while ($line="; - } +# 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) { - print $fh "$line"; - if ($line=~/WARNING/) { $notices++; } - if ($line=~/CRITICAL/) { $notices++; } - }; + if ($unsend) { $simplestatus{'unsend'}=$unsend; } + &log($fh," Outgoing Buffer
\n"); +# list directory with delayed messages and remember offline servers + my %servers=(); + open (DFH,"ls -lF $perlvar{'lonSockDir'}/delayed|"); + while (my $line=\n"); close (DFH); - print $fh ") { + my ($server)=($line=~/\.(\w+)$/); + if ($server) { $servers{$server}=1; } + &log($fh,&encode_entities($line,'<>&"')); + } + &log($fh,"
"; - rename("$fname.2","$fname.3"); - rename("$fname.1","$fname.2"); - rename("$fname","$fname.1"); -} - -&errout($fh); -# ------------------------------------------------------------------------ lonc - -print $fh '
'; -print "lonc\n"; - -if (-e "$perlvar{'lonDaemons'}/logs/lonc.log"){ -open (DFH,"tail -n25 $perlvar{'lonDaemons'}/logs/lonc.log|"); -while ($line="; - -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 ") { - print $fh "$line"; - if ($line=~/INFO/) { $notices++; } - if ($line=~/WARNING/) { $notices++; } - if ($line=~/CRITICAL/) { $warnings++; } -}; -close (DFH); -} -print $fh "
"; - my $lfh=IO::File->new("$loncfile"); - my $loncpid=<$lfh>; - chomp($loncpid); - sleep 2; - if (kill 0 => $loncpid) { - print $fh "
"; - system( - "$perlvar{'lonDaemons'}/lonc 2>>$perlvar{'lonDaemons'}/logs/lonc_errors"); - sleep 2; - } - } else { - print $fh "Seems like that did not work!
"; - $errors++; - } - if (-e "$perlvar{'lonDaemons'}/logs/lonc.log") { - print $fh "
"; - open (DFH,"tail -n100 $perlvar{'lonDaemons'}/logs/lonc.log|"); - while ($line="; - } +sub log_simplestatus { + rename("$statusdir/newstatus.html","$statusdir/index.html"); + + my $sfh=IO::File->new(">$statusdir/loncron_simple.txt"); + foreach (keys %simplestatus) { + print $sfh $_.'='.$simplestatus{$_}.'&'; + } + print $sfh "\n"; + $sfh->close(); } -$fname="$perlvar{'lonDaemons'}/logs/lonc.log"; +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; +} - my ($dev,$ino,$mode,$nlink, - $uid,$gid,$rdev,$size, - $atime,$mtime,$ctime, - $blksize,$blocks)=stat($fname); +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; +} -if ($size>40000) { - print $fh "Rotating logs ...) { - print $fh "$line"; - if ($line=~/WARNING/) { $notices++; } - if ($line=~/CRITICAL/) { $notices++; } - }; - close (DFH); - print $fh "
"; - rename("$fname.2","$fname.3"); - rename("$fname.1","$fname.2"); - rename("$fname","$fname.1"); +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 $numchksums files.\n"; + } else { + print "File version retrieval and checksumming skipped - could not determine Linux distro.\n"; + } + return; } - -&errout($fh); -# ---------------------------------------------------------------------- lonnet +sub write_hostips { + my $lontabdir = $perlvar{'lonTabDir'}; + my $defdom = $perlvar{'lonDefDomain'}; + my $lonhost = $perlvar{'lonHostID'}; + my $newfile = "$lontabdir/currhostips.tab"; + my $oldfile = "$lontabdir/prevhostips.tab"; + my (%prevhosts,%currhosts,%ipchange); + if ((-e $newfile) && (-s $newfile)) { + move($newfile,$oldfile); + chmod(0644,$oldfile); + if (open(my $fh,'<',$oldfile)) { + while (my $line=<$fh>) { + chomp($line); + if ($line =~ /^([^:]+):([\d.]+)$/) { + $prevhosts{$1} = $2; + } + } + close($fh); + } + } + my ($ip_info,$cached) = + &Apache::lonnet::is_cached_new('iphost','iphost'); + if (!$cached) { + &Apache::lonnet::get_iphost(); + ($ip_info,$cached) = + &Apache::lonnet::is_cached_new('iphost','iphost'); + } + if (ref($ip_info) eq 'ARRAY') { + %currhosts = %{$ip_info->[1]}; + if (open(my $fh,'>',$newfile)) { + foreach my $key (keys(%currhosts)) { + print $fh "$key:$currhosts{$key}\n"; + } + close($fh); + chmod(0644,$newfile); + } + } + if (keys(%prevhosts) && keys(%currhosts)) { + foreach my $key (keys(%prevhosts)) { + unless ($currhosts{$key} eq $prevhosts{$key}) { + $ipchange{$key} = $prevhosts{$key}.' | '.$currhosts{$key}; + } + } + foreach my $key (keys(%currhosts)) { + unless ($currhosts{$key} eq $prevhosts{$key}) { + $ipchange{$key} = $prevhosts{$key}.' | '.$currhosts{$key}; + } + } + } + if (&Apache::lonnet::domain($defdom,'primary') eq $lonhost) { + if (keys(%ipchange)) { + if (open(my $fh,'>>',$perlvar{'lonDaemons'}.'/logs/hostip.log')) { + print $fh "********************\n".localtime(time).' Changes --'."\n". + "| Hostname | Previous IP | New IP |\n". + " --------------------------------- \n"; + foreach my $hostname (sort(keys(%ipchange))) { + print $fh "| $hostname | $ipchange{$hostname} |\n"; + } + print $fh "\n*******************\n\n"; + close($fh); + } + my $emailto = &Apache::loncommon::build_recipient_list(undef, + 'hostipmail',$defdom); + if ($emailto) { + my $subject = "LON-CAPA Hostname to IP change ($perlvar{'lonHostID'})"; + my $chgmail = "To: $emailto\n". + "Subject: $subject\n". + "Content-type: text/plain\; charset=UTF-8\n". + "MIME-Version: 1.0\n\n". + "Host/IP changes\n". + " \n". + "| Hostname | Previous IP | New IP |\n". + " --------------------------------- \n"; + foreach my $hostname (sort(keys(%ipchange))) { + $chgmail .= "| $hostname | $ipchange{$hostname} |\n"; + } + $chgmail .= "\n\n"; + if (open(my $mailh, "|/usr/lib/sendmail -oi -t -odb")) { + print $mailh $chgmail; + close($mailh); + print "Sending mail notification of hostname/IP changes.\n"; + } + } + } + } + return; +} -print $fh '
'; -print "lonnet\n"; -if (-e "$perlvar{'lonDaemons'}/logs/lonnet.log"){ -open (DFH,"tail -n50 $perlvar{'lonDaemons'}/logs/lonnet.log|"); -while ($line=) { - print $fh "$line"; -}; -close (DFH); -} -print $fh "
"; - -if (-e "$perlvar{'lonDaemons'}/logs/lonnet.perm.log") { - open(DFH,"tail -n10 $perlvar{'lonDaemons'}/logs/lonnet.perm.log|"); -while ($line="; -&errout($fh); -# ----------------------------------------------------------------- Connections +sub write_connection_config { + my ($domconf,%connectssl,%changes); + $domconf = &get_domain_config(); + if (ref($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)) { + my %currconf; + if (open(my $fh,'<',"$perlvar{'lonTabDir'}/connectionrules.tab")) { + while (my $line = <$fh>) { + chomp($line); + my ($name,$value) = split(/=/,$line); + if ($value =~ /^(?:no|yes|req)$/) { + if ($name =~ /^conn(to|from)_(dom|intdom|other)$/) { + $currconf{$name} = $value; + } + } + } + close($fh); + } + if (open(my $fh,'>',"$perlvar{'lonTabDir'}/connectionrules.tab")) { + my $count = 0; + foreach my $key (sort(keys(%connectssl))) { + print $fh "$key=$connectssl{$key}\n"; + if (exists($currconf{$key})) { + unless ($currconf{$key} eq $connectssl{$key}) { + $changes{$key} = 1; + } + } else { + $changes{$key} = 1; + } + $count ++; + } + close($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"; + } + return %changes; +} -print $fh ') { - 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 $fh "Rotating logs ... "; - rename("$fname.2","$fname.3"); - rename("$fname.1","$fname.2"); - rename("$fname","$fname.1"); +sub clean_nosslverify { + my ($fh) = @_; + my %unlinked; + if (-d "$perlvar{'lonSockDir'}/nosslverify") { + if (opendir(my $dh,"$perlvar{'lonSockDir'}/nosslverify")) { + while (my $fname=readdir($dh)) { + next if ($fname =~ /^\.+$/); + if (unlink("/home/httpd/sockets/nosslverify/$fname")) { + &log($fh,"Unlinking $fname
"); + $unlinked{$fname} = 1; + } + } + closedir($dh); + } + } + &log($fh,"Removed ".scalar(keys(%unlinked))." nosslverify clients
"); + return %unlinked; +} +sub clean_lonc_childpids { + my $childpiddir = "$perlvar{'lonDocRoot'}/lon-status/loncchld"; + if (-d $childpiddir) { + if (opendir(my $dh,$childpiddir)) { + while (my $fname=readdir($dh)) { + next if ($fname =~ /^\.+$/); + unlink("$childpiddir/$fname"); + } + closedir($dh); + } + } } -print $fh "
$tryserver | $result |
\n"; -$warnings=$warnings+5*$unsend; - -print $fh "