--- loncom/loncron 2002/05/27 19:21:59 1.29 +++ loncom/loncron 2004/05/11 19:15:03 1.47 @@ -1,21 +1,31 @@ #!/usr/bin/perl -# The LearningOnline Network -# Housekeeping program, started by cron +# Housekeeping program, started by cron, loncontrol and loncron.pl # -# (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) +# $Id: loncron,v 1.47 2004/05/11 19:15:03 albertel 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/ # -# 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; @@ -24,6 +34,12 @@ use LONCAPA::Configuration; use IO::File; use IO::Socket; +use strict; +#globals +use vars qw (%perlvar %simplestatus $errors $warnings $notices $totalcount); + +my $statusdir="/home/httpd/html/lon-status"; + # -------------------------------------------------- Non-critical communication sub reply { @@ -42,9 +58,14 @@ sub reply { # --------------------------------------------------------- Output error status +sub log { + my $fh=shift; + if ($fh) { print $fh @_ } +} + sub errout { my $fh=shift; - print $fh (< @@ -53,84 +74,205 @@ sub errout { ENDERROUT } -# ================================================================ Main Program - -# --------------------------------- Read loncapa_apache.conf and loncapa.conf -my $perlvarref=LONCAPA::Configuration::read_conf('loncapa_apache.conf', - 'loncapa.conf'); -%perlvar=%{$perlvarref}; -undef $perlvarref; -delete $perlvar{'lonReceipt'}; # remove since sensitive and not needed -delete $perlvar{'lonSqlAccess'}; # remove since sensitive and not needed - -# --------------------------------------- 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) = @_; + my $progname=$daemon; + if ($daemon eq 'lonc' && $ARGV[0] eq 'new') { + $progname='loncnew'; + print "new "; + } + system("$perlvar{'lonDaemons'}/$progname 2>>$perlvar{'lonDaemons'}/logs/${daemon}_errors"); + sleep 2; + if (-e $pidfile) { + &log($fh,"Seems like it started ...

"); + my $lfh=IO::File->new("$pidfile"); + my $daemonpid=<$lfh>; + chomp($daemonpid); + sleep 2; + if (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; -} +sub checkon_daemon { + my ($fh,$daemon,$maxsize,$sendusr1)=@_; -# ------------------------------------------------------------- Read hosts file -{ - my $config=IO::File->new("$perlvar{'lonTabDir'}/hosts.tab"); + &log($fh,'

'.$daemon.'

Log

');
+    printf("%-10s ",$daemon);
+    if (-e "$perlvar{'lonDaemons'}/logs/$daemon.log"){
+	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 (kill 0 => $daemonpid) { + &log($fh,"

$daemon at pid $daemonpid responding"); + if ($sendusr1) { &log($fh,", sending USR1"); } + &log($fh,"

"); + if ($sendusr1) { kill USR1 => $daemonpid; } + $restartflag=0; + 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'; + $errors++; + &log($fh,'
Killall '.$daemon.': '. + `killall $daemon 2>&1`.' - '); + sleep 2; + &log($fh,unlink($pidfile).' - '. + `killall -9 $daemon 2>&1`. + '
'); + &log($fh,"

$daemon not running, trying to start

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

$daemon at pid $daemonpid responding

"); + $simplestatus{$daemon}='restarted'; + 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,$pidfile)) { + &log($fh,"

$daemon at pid $daemonpid responding

"); + $simplestatus{$daemon}='restarted'; + print "started\n"; + } else { + print " failed\n"; + $simplestatus{$daemon}='failed'; + $errors++; $errors++; + &log($fh,"

$daemon at pid $daemonpid not responding

"); + &log($fh,"Unable to start $daemon

"); + } + } - while (my $configline=<$config>) { - my ($id,$domain,$role,$name,$ip)=split(/:/,$configline); - $hostname{$id}=$name; - $hostdom{$id}=$domain; - $hostrole{$id}=$role; - $hostip{$id}=$ip; - if (($role eq 'library') && ($id ne $perlvar{'lonHostID'})) { - $libserv{$id}=$name; - } + if (-e "$perlvar{'lonDaemons'}/logs/$daemon.log"){ + &log($fh,"

");
+	    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/$daemon.log"; + + my ($dev,$ino,$mode,$nlink, + $uid,$gid,$rdev,$size, + $atime,$mtime,$ctime, + $blksize,$blocks)=stat($fname); + + if ($size>$maxsize) { + &log($fh,"Rotating logs ...

"); + rename("$fname.2","$fname.3"); + rename("$fname.1","$fname.2"); + rename("$fname","$fname.1"); } + + &errout($fh); } -# ------------------------------------------------------ Read spare server file -{ - my $config=IO::File->new("$perlvar{'lonTabDir'}/spare.tab"); +# --------------------------------------------------------------------- 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++; + } - while (my $configline=<$config>) { - chomp($configline); - if (($configline) && ($configline ne $perlvar{'lonHostID'})) { - $spareid{$configline}=1; - } + &log($fh,"

df

"); + &log($fh,"
");
+
+    open (DFH,"df|");
+    while (my $line=) { 
+	&log($fh,"$line"); 
+	@parts=split(/\s+/,$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,"
"); -# ---------------------------------------------------------------- Start report -$statusdir="/home/httpd/html/lon-status"; + &log($fh,"

ps

"); + &log($fh,"
");
+    my $psproc=0;
+
+    open (PSH,"ps -aux --cols 140 |");
+    while (my $line=) { 
+	&log($fh,"$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); + &errout($fh); +} -{ -my $fh=IO::File->new(">$statusdir/newstatus.html"); +sub start_logging { + my ($hostdom,$hostrole,$hostname,$spareid)=@_; + my $fh=IO::File->new(">$statusdir/newstatus.html"); + my %simplestatus=(); + my $now=time; + my $date=localtime($now); + -print $fh (< LON Status Report $perlvar{'lonHostID'} @@ -148,10 +290,11 @@ print $fh (<lonsql
  • lond
  • lonc +
  • lonhttpd
  • lonnet
  • Connections
  • Delayed Messages -
  • Error Count +
  • Error Coindex.html.unt
    @@ -160,240 +303,128 @@ print $fh (< ENDHEADERS -foreach $varname (keys %perlvar) { - print $fh "
    • \n"; -} -print $fh "
    Notices$notices
    Warnings$warnings
    $varname$perlvar{$varname}

    Hosts

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

    Spare Hosts

      "; -foreach $id (keys %spareid) { - print $fh "
    1. $id\n"; -} - -print $fh "
    \n"; - -# --------------------------------------------------------------------- Machine - -print $fh '

    Machine Information

    '; -print $fh "

    loadavg

    "; - -open (LOADAVGH,"/proc/loadavg"); -$loadavg=; -close (LOADAVGH); - -print $fh "$loadavg"; - -@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++;
+    foreach my $varname (sort(keys(%perlvar))) {
+	&log($fh,"$varname$perlvar{$varname}\n");
+    }
+    &log($fh,"
    Hosts
    ");
+    foreach my $id (sort(keys(%{$hostname}))) {
+	&log($fh,
+	    "\n");
+    }
+    &log($fh,"
    $id".$hostdom->{$id}.
+	    "".$hostrole->{$id}.
+	    "".$hostname->{$id}."
    Spare Hosts
      ");
+    foreach my $id (sort(keys(%{$spareid}))) {
+	&log($fh,"
    1. $id\n");
+    }
+    &log($fh,"
    \n");
+    return $fh;
 }
-close (PSH);
-print $fh "
    "; - -if ($psproc>200) { $notices++; } -if ($psproc>250) { $notices++; } - -&errout($fh); # --------------------------------------------------------------- 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 ($since>100*$perlvar{'lonExpire'}) { - $cleaned++; - unlink("$fname"); - } else { $old++; } - } - } - +sub clean_tmp { + my ($fh)=@_; + &log($fh,'

    Temporary Files

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

    Session Tokens

    '); + my $cleaned=0; + my $active=0; + while (my $fname=<$perlvar{'lonIDsDir'}/*>) { + 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 ".$cleaned." stale session token(s)."); + &log($fh,"

    $active open session(s)

    "); } -print $fh "

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

    $active open session(s)

    "; + # ----------------------------------------------------------------------- httpd +sub check_httpd_logs { + my ($fh)=@_; + &log($fh,'

    httpd

    Access Log

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

    Error Log

    ");
+	
+    open (DFH,"tail -n25 /etc/httpd/logs/error_log|");
+    while (my $line=) { 
+	&log($fh,"$line");
+	if ($line=~/\[error\]/) { $notices++; } 
+    }
+    close (DFH);
+    &log($fh,"
    "); + &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/) { $warnings++; }
-	};
+sub rotate_logs {
+    my ($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,"$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 $fh 
-	    "
    Decided to clean up stale .pid file and restart lonsql
    ";
-	}
-    }
-    if ($restartflag==1) {
-	$errors++;
-	         print $fh '
    Killall lonsql: '.
-                    system('killall lonsql').' - ';
-                    sleep 60;
-                    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 10;
-	if (-e $lonsqlfile) {
-	    print $fh "Seems like it started ...
    ";
-	    my $lfh=IO::File->new("$lonsqlfile");
-	    my $lonsqlpid=<$lfh>;
-	    chomp($lonsqlpid);
-	    sleep 30;
-	    if (kill 0 => $lonsqlpid) {
-		print $fh "
    lonsql at pid $lonsqlpid responding
    ";
-	    } 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 10;
-	    }
-	} 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 $fh "
    ";
+    if (-e "$perlvar{'lonDaemons'}/logs/lonnet.perm.log") {
+	open(DFH,"tail -n10 $perlvar{'lonDaemons'}/logs/lonnet.perm.log|");
+	while (my $line=) { 
+	    &log($fh,"$line");
 	}
-    }
+	close (DFH);
+    } else { &log($fh,"No perm log\n") }
 
-    $fname="$perlvar{'lonDaemons'}/logs/lonsql.log";
+    my $fname="$perlvar{'lonDaemons'}/logs/lonnet.log";
 
     my ($dev,$ino,$mode,$nlink,
 	$uid,$gid,$rdev,$size,
@@ -401,316 +432,206 @@ if ($perlvar{'lonRole'} eq "library") {
 	$blksize,$blocks)=stat($fname);
 
     if ($size>40000) {
-	print $fh "Rotating logs ...
    ";
+	&log($fh,"Rotating logs ...
    ");
 	rename("$fname.2","$fname.3");
 	rename("$fname.1","$fname.2");
 	rename("$fname","$fname.1");
     }
 
+    &log($fh,"
    "); &errout($fh); } -# ------------------------------------------------------------------------ lond -print $fh '

    lond

    Log

    ';
-print "lond\n";
+# ----------------------------------------------------------------- Connections
+sub test_connections {
+    my ($fh,$hostname)=@_;
+    &log($fh,'
    Connections
    ');
+    print "testing connections\n";
+    &log($fh,"");
+    foreach my $tryserver (sort(keys(%{$hostname}))) {
+	print(".");
+	my $result;
+	my $answer=reply("pong",$tryserver);
+	if ($answer eq "$tryserver:$perlvar{'lonHostID'}") {
+	    $result="ok";
+	} else {
+	    $result=$answer;
+	    $warnings++;
+	    if ($answer eq 'con_lost') { $warnings++; }
+	}
+	if ($answer =~ /con_lost/) { print(" $tryserver down\n"); }
+	&log($fh,"\n");
+    }
+    &log($fh,"
    $tryserver$result
    ");
 
-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 60; - 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 10; - if (-e $londfile) { - print $fh "Seems like it started ...

    "; - my $lfh=IO::File->new("$londfile"); - my $londpid=<$lfh>; - chomp($londpid); - sleep 30; - 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 10; - } - } 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++; }
-    };
-    close (DFH);
-    print $fh "
    "; - } + &errout($fh); } -$fname="$perlvar{'lonDaemons'}/logs/lond.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"); -} - -&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 60; - 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 10; - if (-e $loncfile) { - print $fh "Seems like it started ...

    "; - my $lfh=IO::File->new("$loncfile"); - my $loncpid=<$lfh>; - chomp($loncpid); - sleep 30; - 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 10; - } - } 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 $fh "
    "; - } -} +# ------------------------------------------------------------ Delayed messages +sub check_delayed_msg { + my ($fh)=@_; + &log($fh,'

    Delayed Messages

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

    Scanning Permanent Log

    '); -$fname="$perlvar{'lonDaemons'}/logs/lonc.log"; + my $unsend=0; - my ($dev,$ino,$mode,$nlink, - $uid,$gid,$rdev,$size, - $atime,$mtime,$ctime, - $blksize,$blocks)=stat($fname); + my $dfh=IO::File->new("$perlvar{'lonDaemons'}/logs/lonnet.perm.log"); + while (my $line=<$dfh>) { + my ($time,$sdf,$dserv,$dcmd)=split(/:/,$line); + if ($sdf eq 'F') { + my $local=localtime($time); + &log($fh,"Failed: $time, $dserv, $dcmd
    "); + $warnings++; + } + if ($sdf eq 'S') { $unsend--; } + if ($sdf eq 'D') { $unsend++; } + } -if ($size>40000) { - print $fh "Rotating logs ...

    "; - rename("$fname.2","$fname.3"); - rename("$fname.1","$fname.2"); - rename("$fname","$fname.1"); + &log($fh,"Total unsend messages: $unsend

    \n"); + $warnings=$warnings+5*$unsend; + + if ($unsend) { $simplestatus{'unsend'}=$unsend; } + &log($fh,"

    Outgoing Buffer

    "); + + open (DFH,"ls -lF $perlvar{'lonSockDir'}/delayed|"); + while (my $line=) { + &log($fh,"$line
    "); + } + close (DFH); } - -&errout($fh); -# ---------------------------------------------------------------------- lonnet +sub finish_logging { + my ($fh)=@_; + &log($fh,"    \n"); + $totalcount=$notices+4*$warnings+100*$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; +} -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","$fname.1");
+sub log_simplestatus {
+    rename ("$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();
 }
 
-print $fh "
    "; -&errout($fh); -# ----------------------------------------------------------------- Connections +sub send_mail { + print "sending mail\n"; + my $emailto="$perlvar{'lonAdmEMail'}"; + if ($totalcount>1000) { + $emailto.=",$perlvar{'lonSysEMail'}"; + } + my $subj="LON: $perlvar{'lonHostID'} E:$errors W:$warnings N:$notices"; + system("metasend -b -t $emailto -s '$subj' -f $statusdir/index.html -m text/html"); +} -print $fh '

    Connections

    '; +# ================================================================ Main Program +sub main () { +# --------------------------------- 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 -print $fh ""; -foreach $tryserver (keys %hostname) { +# --------------------------------------- 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.' |\ + mailto $emailto -s '$subj' > /dev/null"); + exit 1; + } - $answer=reply("pong",$tryserver); - if ($answer eq "$tryserver:$perlvar{'lonHostID'}") { - $result="ok"; - } else { - $result=$answer; - $warnings++; - if ($answer eq 'con_lost') { $warnings++; } +# ----------------------------- 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.' |\ + mailto $emailto -s '$subj' > /dev/null"); + exit 1; } - print $fh "\n"; -} -print $fh "
    $tryserver$result
    "; +# ------------------------------------------------------------- Read hosts file + my $config=IO::File->new("$perlvar{'lonTabDir'}/hosts.tab"); + + my (%hostname,%hostdom,%hostrole,%spareid); + 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; + $hostrole{$id}=$role; + } else { + if ($configline) { +# &logthis("Skipping hosts.tab line -$configline-"); + } + } + } + undef $config; -&errout($fh); -# ------------------------------------------------------------ Delayed messages +# ------------------------------------------------------ Read spare server file + $config=IO::File->new("$perlvar{'lonTabDir'}/spare.tab"); + + while (my $configline=<$config>) { + chomp($configline); + if (($configline) && ($configline ne $perlvar{'lonHostID'})) { + $spareid{$configline}=1; + } + } + undef $config; -print $fh '

    Delayed Messages

    '; -print "buffers\n"; +# ---------------------------------------------------------------- Start report -print $fh '

    Scanning Permanent Log

    '; + $errors=0; + $warnings=0; + $notices=0; + + my $fh=&start_logging(\%hostdom,\%hostrole,\%hostname,\%spareid); + + &log_machine_info($fh); + &clean_tmp($fh); + &clean_lonIDs($fh); + &check_httpd_logs($fh); + &checkon_daemon($fh,'lonsql',200000); + &checkon_daemon($fh,'lond',40000,1); + &checkon_daemon($fh,'lonc',40000,1); + &checkon_daemon($fh,'lonhttpd',40000); + + &test_connections($fh,\%hostname); + &check_delayed_msg($fh); -$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 $statusdir/index.html -m text/html"); + &finish_logging($fh); + &log_simplestatus(); + + if ($totalcount>200) { &send_mail(); } } + +&main(); 1;