--- loncom/loncron 2002/09/09 13:59:16 1.33 +++ loncom/loncron 2020/05/06 13:34:22 1.122 @@ -1,728 +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 $fh (< + &log($fh,(< -
Notices$notices
Warnings$warnings
Errors$errors

Top

+

Top

ENDERROUT } -# ================================================================ Main Program - -# --------------------------------- Read loncapa_apache.conf and loncapa.conf -my $perlvarref=LONCAPA::Configuration::read_conf('loncapa.conf'); -%perlvar=%{$perlvarref}; -undef $perlvarref; -delete $perlvar{'lonReceipt'}; # remove since sensitive and not needed -delete $perlvar{'lonSqlAccess'}; # remove since sensitive and not needed +sub rotate_logfile { + my ($file,$fh,$description) = @_; + my $size=(stat($file))[7]; + if ($size>40000) { + &log($fh,"

Rotating $description ...

"); + rename("$file.2","$file.3"); + rename("$file.1","$file.2"); + rename("$file","$file.1"); + } +} -# --------------------------------------- Make sure that LON-CAPA is configured -# I only test for one thing here (lonHostID). This is just a safeguard. -if ('{[[[[lonHostID]]]]}' eq $perlvar{'lonHostID'}) { - print("Unconfigured machine.\n"); - $emailto=$perlvar{'lonSysEMail'}; - $hostname=`/bin/hostname`; - chop $hostname; - $hostname=~s/[^\w\.]//g; # make sure is safe to pass through shell - $subj="LON: Unconfigured machine $hostname"; - system("echo 'Unconfigured machine $hostname.' |\ - mailto $emailto -s '$subj' > /dev/null"); - exit 1; +sub start_daemon { + my ($fh,$daemon,$pidfile,$args) = @_; + my $progname=$daemon; + if ($daemon eq 'lonc') { + $progname='loncnew'; + } + my $error_fname="$perlvar{'lonDaemons'}/logs/${daemon}_errors"; + &rotate_logfile($error_fname,$fh,'error logs'); + if ($daemon eq 'lonc') { + &clean_sockets($fh); + } + system("$perlvar{'lonDaemons'}/$progname 2>$perlvar{'lonDaemons'}/logs/${daemon}_errors"); + sleep 1; + if (-e $pidfile) { + &log($fh,"

Seems like it started ...

"); + my $lfh=IO::File->new("$pidfile"); + my $daemonpid=<$lfh>; + chomp($daemonpid); + if ($daemonpid =~ /^\d+$/ && kill 0 => $daemonpid) { + return 1; + } else { + return 0; + } + } + &log($fh,"

Seems like that did not work!

"); + $errors++; + return 0; } -# ----------------------------- Make sure this process is running from user=www -my $wwwid=getpwnam('www'); -if ($wwwid!=$<) { - print("User ID mismatch. This program must be run as user 'www'\n"); - $emailto="$perlvar{'lonAdmEMail'},$perlvar{'lonSysEMail'}"; - $subj="LON: $perlvar{'lonHostID'} User ID mismatch"; - system("echo 'User ID mismatch. loncron must be run as user www.' |\ - mailto $emailto -s '$subj' > /dev/null"); - exit 1; -} - -# ------------------------------------------------------------- Read hosts file -{ - my $config=IO::File->new("$perlvar{'lonTabDir'}/hosts.tab"); - - while (my $configline=<$config>) { - my ($id,$domain,$role,$name,$ip,$domdescr)=split(/:/,$configline); - if ($id && $domain && $role && $name && $ip) { - $hostname{$id}=$name; - $hostdom{$id}=$domain; - $hostip{$id}=$ip; - $hostrole{$id}=$role; - if ($domdescr) { $domaindescription{$domain}=$domdescr; } - if (($role eq 'library') && ($id ne $perlvar{'lonHostID'})) { - $libserv{$id}=$name; +sub checkon_daemon { + my ($fh,$daemon,$maxsize,$send,$args)=@_; + + my $result; + &log($fh,'

'.$daemon.'

Log

'); + printf("%-15s ",$daemon); + if ($fh) { + if (-e "$perlvar{'lonDaemons'}/logs/$daemon.log"){ + if (open(DFH,"tail -n25 $perlvar{'lonDaemons'}/logs/$daemon.log|")) { + while (my $line=) { + &log($fh,"$line"); + if ($line=~/INFO/) { $notices++; } + if ($line=~/WARNING/) { $notices++; } + if ($line=~/CRITICAL/) { $warnings++; } + } + close (DFH); + } + } + &log($fh,"

"); + } + + my $pidfile="$perlvar{'lonDaemons'}/logs/$daemon.pid"; + + my $restartflag=1; + my $daemonpid; + if (-e $pidfile) { + my $lfh=IO::File->new("$pidfile"); + $daemonpid=<$lfh>; + chomp($daemonpid); + if ($daemonpid =~ /^\d+$/ && kill 0 => $daemonpid) { + &log($fh,"

$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 { + $result = 'running'; + print "running\n"; } } else { - if ($configline) { -# &logthis("Skipping hosts.tab line -$configline-"); + $errors++; + &log($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,"

Give it one more try ...

"); + print " "; + if (&start_daemon($fh,$daemon,$pidfile,$args)) { + &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,"

Unable to start $daemon

"); } } + if ($fh) { + if (-e "$perlvar{'lonDaemons'}/logs/$daemon.log"){ + &log($fh,"

");
+	        if (open(DFH,"tail -n100 $perlvar{'lonDaemons'}/logs/$daemon.log|")) {
+	            while (my $line=) { 
+		        &log($fh,"$line");
+		        if ($line=~/WARNING/) { $notices++; }
+		        if ($line=~/CRITICAL/) { $notices++; }
+	            }
+	            close (DFH);
+                }
+	        &log($fh,"

"); + } + } } + + my $fname="$perlvar{'lonDaemons'}/logs/$daemon.log"; + &rotate_logfile($fname,$fh,'logs'); + + &errout($fh); + return $result; } -# ------------------------------------------------------ Read spare server file -{ - my $config=IO::File->new("$perlvar{'lonTabDir'}/spare.tab"); - - while (my $configline=<$config>) { - chomp($configline); - if (($configline) && ($configline ne $perlvar{'lonHostID'})) { - $spareid{$configline}=1; - } +# --------------------------------------------------------------------- Machine +sub log_machine_info { + my ($fh)=@_; + &log($fh,'

Machine Information

'); + &log($fh,"

loadavg

"); + + open (LOADAVGH,"/proc/loadavg"); + my $loadavg=; + close (LOADAVGH); + + &log($fh,"$loadavg"); + + my @parts=split(/\s+/,$loadavg); + if ($parts[1]>4.0) { + $errors++; + } elsif ($parts[1]>2.0) { + $warnings++; + } elsif ($parts[1]>1.0) { + $notices++; } -} -# ---------------------------------------------------------------- Start report + &log($fh,"

df

"); + &log($fh,"
");
+
+    open (DFH,"df|");
+    while (my $line=) { 
+	&log($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,"
"); + + + &log($fh,"

ps

"); + &log($fh,"
");
+    my $psproc=0;
 
-$statusdir="/home/httpd/html/lon-status";
+    open (PSH,"ps aux --cols 140 |");
+    while (my $line=) { 
+	&log($fh,&encode_entities($line,'<>&"')); 
+	$psproc++;
+    }
+    close (PSH);
+    &log($fh,"
"); -$errors=0; -$warnings=0; -$notices=0; + if ($psproc>200) { $notices++; } + if ($psproc>250) { $notices++; } -$now=time; -$date=localtime($now); + &log($fh,"

distprobe

"); + &log($fh,"
");
+    &log($fh,&encode_entities(&LONCAPA::distro(),'<>&"'));
+    &log($fh,"
"); -{ -my $fh=IO::File->new(">$statusdir/newstatus.html"); + &errout($fh); +} -print $fh (< +sub start_logging { + my $fh=IO::File->new(">$statusdir/newstatus.html"); + my %simplestatus=(); + my $now=time; + my $date=localtime($now); + + + &log($fh,(< + LON Status Report $perlvar{'lonHostID'} + - +

LON Status Report $perlvar{'lonHostID'}

$date ($now)

    -
  1. Configuration -
  2. Machine Information -
  3. Temporary Files -
  4. Session Tokens -
  5. httpd -
  6. lonsql -
  7. lond -
  8. lonc -
  9. lonnet -
  10. Connections -
  11. Delayed Messages -
  12. Error Count +
  13. Configuration
    14. +
  14. Machine Information
    15. +
  15. Temporary Files
    16. +
  16. Session Tokens
    17. +
  17. WebDAV Session Tokens
    18. +
  18. httpd
    19. +
  19. lonsql
    20. +
  20. lond
    21. +
  21. lonc
    22. +
  22. lonnet
    23. +
  23. Connections
    24. +
  24. Delayed Messages
    25. +
  25. Error Count
-
- +
+

Configuration

PerlVars

- +
ENDHEADERS -foreach $varname (sort(keys(%perlvar))) { - print $fh "\n"; -} -print $fh "
$varname$perlvar{$varname}

Hosts

"; -foreach $id (sort(keys(%hostname))) { - print $fh - ""; - print $fh "\n"; -} -print $fh "
$id$hostdom{$id}$hostrole{$id}$hostname{$id}$hostip{$id}

Spare Hosts

    "; -foreach $id (sort(keys(%spareid))) { - print $fh "
  1. $id\n"; + foreach my $varname (sort(keys(%perlvar))) { + &log($fh,"$varname". + &encode_entities($perlvar{$varname},'<>&"')."\n"); + } + &log($fh,"

    Hosts

    "); + my %hostname = &Apache::lonnet::all_hostnames(); + foreach my $id (sort(keys(%hostname))) { + my $role = (&Apache::lonnet::is_library($id) ? 'library' + : 'access'); + &log($fh, + "\n"); + } + &log($fh,"
    $id".&Apache::lonnet::host_domain($id). + "".$role. + "".&Apache::lonnet::hostname($id)."

    Spare Hosts

    "); + if (keys(%Apache::lonnet::spareid) > 0) { + &log($fh,"
      "); + foreach my $type (sort(keys(%Apache::lonnet::spareid))) { + &log($fh,"
    • $type\n
        "); + foreach my $id (@{ $Apache::lonnet::spareid{$type} }) { + &log($fh,"
      1. $id
        2. \n"); + } + &log($fh,"
      \n
      • \n"); + } + &log($fh,"
    \n"); + } else { + &log($fh,"No spare hosts specified
    \n"); + } + return $fh; } -print $fh "
\n"; - -# --------------------------------------------------------------------- Machine +# --------------------------------------------------------------- clean out tmp +sub clean_tmp { + my ($fh)=@_; + &log($fh,'

Temporary Files

'); + 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}):
'); + } + } + } +} -print $fh '

Machine Information

'; -print $fh "

loadavg

"; +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=''; + $line=; + close(PROBE); + if ($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); + } + return ($cleaned,$old,$removed); +} -open (LOADAVGH,"/proc/loadavg"); -$loadavg=; -close (LOADAVGH); +# ------------------------------------------------------------ clean out lonIDs +sub clean_lonIDs { + my ($fh)=@_; + &log($fh,'

Session Tokens

'); + my $cleaned=0; + my $active=0; + while (my $fname=<$perlvar{'lonIDsDir'}/*>) { + my $now=time; + if (-l $fname) { + my $linkfname = readlink($fname); + if (-f $linkfname) { + if ($linkfname =~ m{^$perlvar{'lonIDsDir'}/[^/]+\.id$}) { + my @data = stat($linkfname); + my $mtime = $data[9]; + my $since=$now-$mtime; + if ($since>$perlvar{'lonExpire'}) { + if (unlink($linkfname)) { + $cleaned++; + &log($fh,"Unlinking $linkfname
"); + unlink($fname); + } + } + } + } else { + unlink($fname); + } + } elsif (-f $fname) { + my @data = stat($fname); + my $mtime = $data[9]; + my $since=$now-$mtime; + if ($since>$perlvar{'lonExpire'}) { + if (unlink($fname)) { + $cleaned++; + &log($fh,"Unlinking $fname
"); + } + } else { + $active++; + } + } + } + &log($fh,"

Cleaned up ".$cleaned." stale session token(s).

"); + &log($fh,"

$active open session(s)

"); +} -print $fh "$loadavg"; +# -------------------------------------------------------- clean out balanceIDs -@parts=split(/\s+/,$loadavg); -if ($parts[1]>4.0) { - $errors++; -} elsif ($parts[1]>2.0) { - $warnings++; -} elsif ($parts[1]>1.0) { - $notices++; -} - -print $fh "

df

"; -print $fh "
";
-
-open (DFH,"df|");
-while ($line=) { 
-   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 "
"; - - -print $fh "

ps

"; -print $fh "
";
-$psproc=0;
-
-open (PSH,"ps -aux|");
-while ($line=) { 
-   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 $fh "
"; -if ($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,'

WebDAV Session Tokens

'); + 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 $fname
"); + unlink("$fname"); + } else { + $active++; + } + } + &log($fh,"

Cleaned up ".$cleaned." stale webDAV session token(s).

"); + &log($fh,"

$active open webDAV session(s)

"); + } + } +} -&errout($fh); +# ------------------------------------------------------------ clean out ltiIDs -# --------------------------------------------------------------- clean out tmp -print $fh '

Temporary Files

'; -$cleaned=0; -$old=0; -while ($fname=<$perlvar{'lonDaemons'}/tmp/*>) { - my ($dev,$ino,$mode,$nlink, - $uid,$gid,$rdev,$size, - $atime,$mtime,$ctime, - $blksize,$blocks)=stat($fname); - $now=time; - $since=$now-$mtime; - if ($since>$perlvar{'lonExpire'}) { - $line=''; - if (open(PROBE,$fname)) { - $line=; - close(PROBE); - } - unless ($line=~/^CHECKOUTTOKEN\&/) { - $cleaned++; - unlink("$fname"); - } else { - if ($since>365*$perlvar{'lonExpire'}) { - $cleaned++; - unlink("$fname"); - } else { $old++; } - } - } - +sub clean_ltiIDs { + my ($fh)=@_; + &log($fh,'

LTI Session Pointers

'); + my $cleaned=0; + my $active=0; + if (-d $perlvar{'ltiIDsDir'}) { + while (my $fname=<$perlvar{'ltiIDsDir'}/*>) { + 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." old LTI session pointers.

"); + &log($fh,"

$active unexpired LTI session pointers

"); } -print $fh "Cleaned up ".$cleaned." files (".$old." old checkout tokens)."; -# ------------------------------------------------------------ clean out lonIDs -print $fh '

Session Tokens

'; -$cleaned=0; -$active=0; -while ($fname=<$perlvar{'lonIDsDir'}/*>) { - my ($dev,$ino,$mode,$nlink, - $uid,$gid,$rdev,$size, - $atime,$mtime,$ctime, - $blksize,$blocks)=stat($fname); - $now=time; - $since=$now-$mtime; - if ($since>$perlvar{'lonExpire'}) { - $cleaned++; - print $fh "Unlinking $fname
"; - unlink("$fname"); - } else { - $active++; - } - +# ----------------------------------------------------------- clean out sockets +sub clean_sockets { + my ($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 $fname
"); + unlink("/home/httpd/sockets/$fname"); + } + &log($fh,"

Cleaned up ".$cleaned." stale sockets.

"); } -print $fh "

Cleaned up ".$cleaned." stale session token(s)."; -print $fh "

$active open session(s)

"; + # ----------------------------------------------------------------------- httpd +sub check_httpd_logs { + my ($fh)=@_; + if (open(PIPE,"./lchttpdlogs|")) { + while (my $line=) { + &log($fh,$line); + if ($line=~/\[error\]/) { $notices++; } + } + close(PIPE); + } + &errout($fh); +} -print $fh '

httpd

Access Log

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

Error Log

";
-
-open (DFH,"tail -n25 /etc/httpd/logs/error_log|");
-while ($line=) { 
-   print $fh "$line";
-   if ($line=~/\[error\]/) { $notices++; } 
-};
-close (DFH);
-print $fh "
"; -&errout($fh); - - -# ---------------------------------------------------------------------- lonsql - -my $restartflag=1; -if ($perlvar{'lonRole'} eq "library") { - - print $fh '

lonsql

Log

';
-    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,&encode_entities($line,'<>&"'));
+	}
 	close (DFH);
     }
-    print $fh "
";
+    &log($fh,"

Perm Log

");
     
-    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 "
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($fh,"
"); + &errout($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 '
Killall lonsql: '. - system('killall lonsql').' - '; - sleep 2; - print $fh unlink($lonsqlfile).' - '. - system('killall -9 lonsql'). - '
'; - print $fh "

lonsql not running, trying to start

"; - system( - "$perlvar{'lonDaemons'}/lonsql 2>>$perlvar{'lonDaemons'}/logs/lonsql_errors"); - sleep 2; - if (-e $lonsqlfile) { - print $fh "Seems like it started ...

"; - my $lfh=IO::File->new("$lonsqlfile"); - my $lonsqlpid=<$lfh>; - chomp($lonsqlpid); - sleep 2; - if (kill 0 => $lonsqlpid) { - print $fh "

lonsql at pid $lonsqlpid responding

"; +} + +# ----------------------------------------------------------------- Connections +sub test_connections { + my ($fh)=@_; + &log($fh,'

Connections

'); + print "Testing connections.\n"; + &log($fh,""); + my ($good,$bad)=(0,0); + my %hostname = &Apache::lonnet::all_hostnames(); + foreach my $tryserver (sort(keys(%hostname))) { + print("."); + my $result; + my $answer=&Apache::lonnet::reply("ping",$tryserver); + if ($answer eq "$tryserver:$perlvar{'lonHostID'}") { + $result="ok"; + $good++; + } else { + $result=$answer; + $warnings++; + if ($answer eq 'con_lost') { + $bad++; + $warnings++; } else { - $errors++; $errors++; - print $fh "

lonsql at pid $lonsqlpid not responding

"; - print $fh "Give it one more try ...

"; - system( - "$perlvar{'lonDaemons'}/lonsql 2>>$perlvar{'lonDaemons'}/logs/lonsql_errors"); - sleep 2; + $good++; #self connection } - } else { - print $fh "Seems like that did not work!

"; - $errors++; - } - if (-e "$perlvar{'lonDaemons'}/logs/lonsql.log"){ - print $fh "

";
-	    open (DFH,"tail -n100 $perlvar{'lonDaemons'}/logs/lonsql.log|");
-	    while ($line=) { 
-		print $fh "$line";
-		if ($line=~/WARNING/) { $notices++; }
-		if ($line=~/CRITICAL/) { $notices++; }
-	    };
-	    close (DFH);
-	    print $fh "
"; } + if ($answer =~ /con_lost/) { print(" $tryserver down\n"); } + &log($fh,"\n"); } + &log($fh,"
$tryserver$result
"); + print "\n$good good, $bad bad connections\n"; + &errout($fh); +} - $fname="$perlvar{'lonDaemons'}/logs/lonsql.log"; - my ($dev,$ino,$mode,$nlink, - $uid,$gid,$rdev,$size, - $atime,$mtime,$ctime, - $blksize,$blocks)=stat($fname); +# ------------------------------------------------------------ Delayed messages +sub check_delayed_msg { + my ($fh,$weightsref,$exclusionsref)=@_; + &log($fh,'

Delayed Messages

'); + print "Checking buffers.\n"; + + &log($fh,'

Scanning Permanent Log

'); - if ($size>40000) { - print $fh "Rotating logs ...

"; - rename("$fname.2","$fname.3"); - rename("$fname.1","$fname.2"); - rename("$fname","$fname.1"); + my $unsend=0; + my $ignored=0; + + 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). +# -print $fh '

lond

Log

';
-print "lond\n";
+    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 $dfh;
+    } 
+
+    if ($checkbackwards) {
+        if (tie *BW, 'File::ReadBackwards', "$perlvar{'lonDaemons'}/logs/lonnet.perm.log") {
+            while(my $line=) {
+                if ($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 $londfile="$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 "

lond at pid $londpid responding, sending USR1

"; - kill USR1 => $londpid; - $restartflag=0; - } else { - $errors++; - print $fh "

lond at pid $londpid not responding

"; - $restartflag=1; - print $fh - "

Decided to clean up stale .pid file and restart lond

"; - } -} -if ($restartflag==1) { - $errors++; - print $fh '
Killall lond: '. - system('killall lond').' - '; - sleep 2; - print $fh unlink($londfile).' - '.system('killall -9 lond'). - '
'; - print $fh "

lond not running, trying to start

"; - system( - "$perlvar{'lonDaemons'}/lond 2>>$perlvar{'lonDaemons'}/logs/lond_errors"); - sleep 2; - if (-e $londfile) { - print $fh "Seems like it started ...

"; - my $lfh=IO::File->new("$londfile"); - my $londpid=<$lfh>; - chomp($londpid); - sleep 2; - if (kill 0 => $londpid) { - print $fh "

lond at pid $londpid responding

"; - } else { - $errors++; $errors++; - print $fh "

lond at pid $londpid not responding

"; - print $fh "Give it one more try ...

"; - 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=) { 
-      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 $line=) {
+        my ($server)=($line=~/\.(\w+)$/);
+        if ($server) { $servers{$server}=1; }
+	&log($fh,&encode_entities($line,'<>&"'));
+    }
+    &log($fh,"
\n");
     close (DFH);
-    print $fh "
"; - } +# 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 "Time out while contacting: $tryserver for pong.\n"; + } else { + &log($fh,"Pong to $tryserver: $answer
"); + } + } else { + &log($fh,"$tryserver has delayed messages, but is not part of the cluster -- skipping 'Pong'.
"); + } + } } -$fname="$perlvar{'lonDaemons'}/logs/lond.log"; +sub finish_logging { + my ($fh,$weightsref)=@_; + my %weights; + if (ref($weightsref) eq 'HASH') { + %weights = %{$weightsref}; + } + &log($fh,"\n"); + $totalcount=($weights{'N'}*$notices)+($weights{'W'}*$warnings)+($weights{'E'}*$errors); + &errout($fh); + &log($fh,"

Total Error Count: $totalcount

"); + my $now=time; + my $date=localtime($now); + &log($fh,"
$date ($now)\n"); + print "lon-status webpage updated.\n"; + $fh->close(); + + if ($errors) { $simplestatus{'errors'}=$errors; } + if ($warnings) { $simplestatus{'warnings'}=$warnings; } + if ($notices) { $simplestatus{'notices'}=$notices; } + $simplestatus{'time'}=time; +} - my ($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"); -} - -&errout($fh); -# ------------------------------------------------------------------------ lonc - -print $fh '

lonc

Log

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

lonc at pid $loncpid responding, sending USR1

"; - kill USR1 => $loncpid; - $restartflag=0; - } else { - $errors++; - print $fh "

lonc at pid $loncpid not responding

"; - # Solution: kill parent and children processes, remove .pid and restart - $restartflag=1; - print $fh - "

Decided to clean up stale .pid file and restart lonc

"; - } -} -if ($restartflag==1) { - $errors++; - print $fh '
Killall lonc: '. - system('killall lonc').' - '; - sleep 2; - print $fh unlink($loncfile).' - '.system('killall -9 lonc'). - '
'; - print $fh "

lonc not running, trying to start

"; - system( - "$perlvar{'lonDaemons'}/lonc 2>>$perlvar{'lonDaemons'}/logs/lonc_errors"); - sleep 2; - if (-e $loncfile) { - print $fh "Seems like it started ...

"; - my $lfh=IO::File->new("$loncfile"); - my $loncpid=<$lfh>; - chomp($loncpid); - sleep 2; - if (kill 0 => $loncpid) { - print $fh "

lonc at pid $loncpid responding

"; - } else { - $errors++; $errors++; - print $fh "

lonc at pid $loncpid not responding

"; - print $fh "Give it one more try ...

"; - 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=) { 
-      print $fh "$line";
-      if ($line=~/WARNING/) { $notices++; }
-      if ($line=~/CRITICAL/) { $notices++; }
-    };
-    close (DFH);
-    print $fh "
"; - } +sub log_simplestatus { + rename("$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 ...

"; - 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 '

lonnet

Temp Log

';
-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 "

Perm Log

";
-
-if (-e "$perlvar{'lonDaemons'}/logs/lonnet.perm.log") {
-    open(DFH,"tail -n10 $perlvar{'lonDaemons'}/logs/lonnet.perm.log|");
-while ($line=) { 
-   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 $fh "
"; -&errout($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 '

Connections

'; +sub get_domain_config { + my ($dom,$primlibserv,$isprimary,$url,%confhash); + $dom = $perlvar{'lonDefDomain'}; + $primlibserv = &Apache::lonnet::domain($dom,'primary'); + if ($primlibserv eq $perlvar{'lonHostID'}) { + $isprimary = 1; + } elsif ($primlibserv ne '') { + my $protocol = $Apache::lonnet::protocol{$primlibserv}; + my $hostname = &Apache::lonnet::hostname($primlibserv); + unless ($protocol eq 'https') { + $protocol = 'http'; + } + $url = $protocol.'://'.$hostname.'/cgi-bin/listdomconfig.pl?primary='.$primlibserv.'&format=raw'; + } + if ($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 { + my $request=new HTTP::Request('GET',$url); + my $response=&LONCAPA::LWPReq::makerequest($primlibserv,$request,'',\%perlvar,5); + unless ($response->is_error()) { + my $content = $response->content; + if ($content) { + my @pairs=split(/\&/,$content); + 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; +} -print $fh ""; -foreach $tryserver (sort(keys(%hostname))) { +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'}}; + my %changes; + if (($dom ne '') && ($internetdom ne '')) { + if (keys(%hostdom)) { + my %currhosttypes; + if (open(my $fh,'<',"$perlvar{'lonTabDir'}/hosttypes.tab")) { + while (my $line = <$fh>) { + chomp($line); + my ($name,$value) = split(/:/,$line); + if (($name ne '') && ($value =~ /^(dom|intdom|other)$/)) { + $currhosttypes{$name} = $value; + } + } + close($fh); + } + 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:$type\n"; + if (exists($currhosttypes{$lonid})) { + if ($type ne $currhosttypes{$lonid}) { + $changes{$lonid} = 1; + } + } else { + $changes{$lonid} = 1; + } + $count ++; + } + close($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"; + } + return %changes; +} - $answer=reply("pong",$tryserver); - if ($answer eq "$tryserver:$perlvar{'lonHostID'}") { - $result="ok"; +sub update_revocation_list { + my ($result,$changed) = &Apache::lonnet::fetch_crl_pemfile(); + if ($result eq 'ok') { + print "Certificate Revocation List (from CA) updated.\n"; } else { - $result=$answer; - $warnings++; - if ($answer eq 'con_lost') { $warnings++; } + print "Certificate Revocation List from (CA) not updated.\n"; } - print $fh "\n"; + return $changed; +} +sub reset_nosslverify_pids { + my ($fh,%sslrem) = @_; + &checkon_daemon($fh,'lond',40000,'USR2'); + my $loncpidfile="$perlvar{'lonDaemons'}/logs/lonc.pid"; + my $loncppid; + if ((-e $loncpidfile) && (open(my $pfh,'<',$loncpidfile))) { + $loncppid=<$pfh>; + chomp($loncppid); + close($pfh); + if ($loncppid =~ /^\d+$/) { + my %pids_by_host; + my $docdir = $perlvar{'lonDocRoot'}; + if (-d "$docdir/lon-status/loncchld") { + if (opendir(my $dh,"$docdir/lon-status/loncchld")) { + while (my $file = readdir($dh)) { + next if ($file =~ /^\./); + if (open(my $fh,'<',"$docdir/lon-status/loncchld/$file")) { + my $record = <$fh>; + chomp($record); + close($fh); + my ($remotehost,$authmode) = split(/:/,$record); + $pids_by_host{$remotehost}{$authmode}{$file} = 1; + } + } + closedir($dh); + if (keys(%pids_by_host)) { + foreach my $host (keys(%pids_by_host)) { + if ($sslrem{$host}) { + if (ref($pids_by_host{$host}) eq 'HASH') { + if (ref($pids_by_host{$host}{'insecure'}) eq 'HASH') { + if (keys(%{$pids_by_host{$host}{'insecure'}})) { + foreach my $pid (keys(%{$pids_by_host{$host}{'insecure'}})) { + if (open(PIPE,"ps -o ppid= -p $pid |")) { + my $ppid = ; + chomp($ppid); + close(PIPE); + $ppid =~ s/(^\s+|\s+$)//g; + if (($ppid == $loncppid) && (kill 0 => $pid)) { + kill QUIT => $pid; + } + } + } + } + } + } + } + } + } + } + } + } + } + return; } -print $fh "
$tryserver$result
"; -&errout($fh); -# ------------------------------------------------------------ Delayed messages +sub get_permcount_settings { + my ($domconf) = @_; + my ($defaults,$names) = &Apache::loncommon::lon_status_items(); + my (%weights,$threshold,$sysmail,$reportstatus,%exclusions); + foreach my $type ('E','W','N','U') { + $weights{$type} = $defaults->{$type}; + } + $threshold = $defaults->{'threshold'}; + $sysmail = $defaults->{'sysmail'}; + $reportstatus = 1; + if (ref($domconf) eq 'HASH') { + if (ref($domconf->{'contacts'}) eq 'HASH') { + if ($domconf->{'contacts'}{'reportstatus'} == 0) { + $reportstatus = 0; + } + if (ref($domconf->{'contacts'}{'lonstatus'}) eq 'HASH') { + if (ref($domconf->{'contacts'}{'lonstatus'}{weights}) eq 'HASH') { + foreach my $type ('E','W','N','U') { + if (exists($domconf->{'contacts'}{'lonstatus'}{weights}{$type})) { + $weights{$type} = $domconf->{'contacts'}{'lonstatus'}{weights}{$type}; + } + } + } + if (ref($domconf->{'contacts'}{'lonstatus'}{'excluded'}) eq 'ARRAY') { + my @excluded = @{$domconf->{'contacts'}{'lonstatus'}{'excluded'}}; + if (@excluded) { + map { $exclusions{$_} = 1; } @excluded; + } + } + if (exists($domconf->{'contacts'}{'lonstatus'}{'threshold'})) { + $threshold = $domconf->{'contacts'}{'lonstatus'}{'threshold'}; + } + if (exists($domconf->{'contacts'}{'lonstatus'}{'sysmail'})) { + $sysmail = $domconf->{'contacts'}{'lonstatus'}{'sysmail'}; + } + } + } + } + return ($threshold,$sysmail,$reportstatus,\%weights,\%exclusions); +} -print $fh '

Delayed Messages

'; -print "buffers\n"; +sub read_serverhomeIDs { + my %server; + if (-e "$perlvar{'lonTabDir'}/serverhomeIDs.tab") { + if (open(my $fh,'<',"$perlvar{'lonTabDir'}/serverhomeIDs.tab")) { + while (<$fh>) { + my($host,$id) = split(/:/); + chomp($id); + $server{$host} = $id; + } + close($fh); + } + } + return %server; +} -print $fh '

Scanning Permanent Log

'; +sub send_mail { + my ($sysmail,$reportstatus) = @_; + my $defdom = $perlvar{'lonDefDomain'}; + my $origmail = $perlvar{'lonAdmEMail'}; + my $emailto = &Apache::loncommon::build_recipient_list(undef, + 'lonstatusmail',$defdom,$origmail); + if (($totalcount>$sysmail) && ($reportstatus)) { + $emailto.=",$perlvar{'lonSysEMail'}"; + } + 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"; + } +} -$unsend=0; -{ - my $dfh=IO::File->new("$perlvar{'lonDaemons'}/logs/lonnet.perm.log"); - while ($line=<$dfh>) { - ($time,$sdf,$dserv,$dcmd)=split(/:/,$line); - if ($sdf eq 'F') { - $local=localtime($time); - print "Failed: $time, $dserv, $dcmd
"; - $warnings++; - } - if ($sdf eq 'S') { $unsend--; } - if ($sdf eq 'D') { $unsend++; } - } -} -print $fh "Total unsend messages: $unsend

\n"; -$warnings=$warnings+5*$unsend; - -print $fh "

Outgoing Buffer

"; - -open (DFH,"ls -lF $perlvar{'lonSockDir'}/delayed|"); -while ($line=) { - print $fh "$line
"; -}; -close (DFH); - -# ------------------------------------------------------------------------- End -print $fh "\n"; -$totalcount=$notices+4*$warnings+100*$errors; -&errout($fh); -print $fh "

Total Error Count: $totalcount

"; -$now=time; -$date=localtime($now); -print $fh "
$date ($now)\n"; -print "writing done\n"; -} - -rename ("$statusdir/newstatus.html","$statusdir/index.html"); - -if ($totalcount>200) { - print "mailing\n"; - $emailto="$perlvar{'lonAdmEMail'},$perlvar{'lonSysEMail'}"; - $subj="LON: $perlvar{'lonHostID'} E:$errors W:$warnings N:$notices"; - system( - "metasend -b -t $emailto -s '$subj' -f $statusdir/index.html -m text/html"); +sub usage { + print(< \$help, + "justcheckdaemons" => \$justcheckdaemons, + "noemail" => \$noemail, + "justcheckconnections" => \$justcheckconnections, + "justreload" => \$justreload, + "justiptables" => \$justiptables + ); + if ($help) { &usage(); return; } +# --------------------------------- Read loncapa_apache.conf and loncapa.conf + my $perlvarref=LONCAPA::Configuration::read_conf('loncapa.conf'); + %perlvar=%{$perlvarref}; + undef $perlvarref; + delete $perlvar{'lonReceipt'}; # remove since sensitive and not needed + delete $perlvar{'lonSqlAccess'}; # remove since sensitive and not needed + chdir($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'}) { + print("Unconfigured machine.\n"); + my $emailto=$perlvar{'lonSysEMail'}; + my $hostname=`/bin/hostname`; + chop $hostname; + $hostname=~s/[^\w\.]//g; # make sure is safe to pass through shell + my $subj="LON: Unconfigured machine $hostname"; + system("echo 'Unconfigured machine $hostname.' |". + " mail -s '$subj' $emailto > /dev/null"); + exit 1; + } +# ----------------------------- Make sure this process is running from user=www + my $wwwid=getpwnam('www'); + if ($wwwid!=$<) { + print("User ID mismatch. This program must be run as user 'www'.\n"); + my $emailto="$perlvar{'lonAdmEMail'},$perlvar{'lonSysEMail'}"; + my $subj="LON: $perlvar{'lonHostID'} User ID mismatch"; + system("echo 'User ID mismatch. loncron must be run as user www.' |". + " mail -s '$subj' $emailto > /dev/null"); + exit 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); + } + } + } + if (!$justiptables) { + &Apache::lonnet::load_hosts_tab(1,$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); + } + } +# ---------------------------------------------------------------- Start report + $errors=0; + $warnings=0; + $notices=0; + + + my $fh; + if (!$justcheckdaemons && !$justcheckconnections && !$justreload && !$justiptables) { + $fh=&start_logging(); + + &log_machine_info($fh); + &clean_tmp($fh); + &clean_lonIDs($fh); + &clean_balanceIDs($fh); + &clean_webDAV_sessionIDs($fh); + &clean_ltiIDs($fh); + &check_httpd_logs($fh); + &rotate_lonnet_logs($fh); + &rotate_other_logs($fh); + } + if (!$justcheckconnections && !$justreload && !$justiptables) { + &checkon_daemon($fh,'lonmemcached',40000); + &checkon_daemon($fh,'lonsql',200000); + if ( &checkon_daemon($fh,'lond',40000,'USR1') eq 'running') { + &checkon_daemon($fh,'lond',40000,'USR2'); + } + &checkon_daemon($fh,'lonc',40000,'USR1'); + &checkon_daemon($fh,'lonmaxima',40000); + &checkon_daemon($fh,'lonr',40000); + } + if ($justreload) { + &clean_nosslverify($fh); + &write_connection_config(); + &write_hosttypes(); + &update_revocation_list(); + &checkon_daemon($fh,'lond',40000,'USR2'); + &checkon_daemon($fh,'lonc',40000,'USR2'); + } + if ($justcheckconnections) { + &test_connections($fh); + } + if (!$justcheckdaemons && !$justcheckconnections && !$justreload && !$justiptables) { + my $domconf = &get_domain_config(); + my ($threshold,$sysmail,$reportstatus,$weightsref,$exclusionsref) = + &get_permcount_settings($domconf); + &check_delayed_msg($fh,$weightsref,$exclusionsref); + &write_loncaparevs(); + &write_serverhomeIDs(); + &write_checksums(); + &write_hostips(); + my %sslrem = &clean_nosslverify($fh); + my %conchgs = &write_connection_config(); + my %hosttypechgs = &write_hosttypes(); + my $hadcrlchg = &update_revocation_list(); + if ((keys(%conchgs) > 0) || (keys(%hosttypechgs) > 0) || + $hadcrlchg || (keys(%sslrem) > 0)) { + &checkon_daemon($fh,'lond',40000,'USR2'); + &reset_nosslverify_pids($fh,%sslrem); + } + &finish_logging($fh,$weightsref); + &log_simplestatus(); + if ($totalcount>$threshold && !$noemail) { &send_mail($sysmail,$reportstatus); } + } +} + +&main(); +1; 500 Internal Server Error

Internal Server Error

The server encountered an internal error or misconfiguration and was unable to complete your request.

Please contact the server administrator at root@localhost to inform them of the time this error occurred, and the actions you performed just before this error.

More information about this error may be available in the server error log.