--- loncom/loncron 2000/02/08 17:54:11 1.4 +++ loncom/loncron 2002/05/27 19:21:59 1.29 @@ -9,6 +9,18 @@ # # 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 lib '/home/httpd/lib/perl/'; +use LONCAPA::Configuration; use IO::File; use IO::Socket; @@ -43,17 +55,37 @@ ENDERROUT # ================================================================ Main Program - -# ------------------------------------------------------------ Read access.conf -{ - my $config=IO::File->new("/etc/httpd/conf/access.conf"); - - while (my $configline=<$config>) { - if ($configline =~ /PerlSetVar/) { - my ($dummy,$varname,$varvalue)=split(/\s+/,$configline); - $perlvar{$varname}=$varvalue; - } - } +# --------------------------------- 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; +} + +# ----------------------------- 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 @@ -110,7 +142,10 @@ print $fh (<
  • Configuration
  • Machine Information +
  • Temporary Files +
  • Session Tokens
  • httpd +
  • lonsql
  • lond
  • lonc
  • lonnet @@ -171,7 +206,8 @@ while ($line=) { $usage=$parts[4]; $usage=~s/\W//g; if ($usage>90) { - $warnings++; + $warnings++; + $notices++; } elsif ($usage>80) { $warnings++; } elsif ($usage>60) { @@ -181,18 +217,90 @@ while ($line=) { } close (DFH); print $fh ""; + + +print $fh "

    ps

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

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

    $active open session(s)

    "; + # ----------------------------------------------------------------------- httpd print $fh '

    httpd

    Access Log

    ';
     
    -open (DFH,"tail -n40 /etc/httpd/logs/access_log|");
    +open (DFH,"tail -n25 /etc/httpd/logs/access_log|");
     while ($line=) { print $fh "$line" };
     close (DFH);
     
     print $fh "

    Error Log

    ";
     
    -open (DFH,"tail -n50 /etc/httpd/logs/error_log|");
    +open (DFH,"tail -n25 /etc/httpd/logs/error_log|");
     while ($line=) { 
        print $fh "$line";
        if ($line=~/\[error\]/) { $notices++; } 
    @@ -200,12 +308,114 @@ while ($line=) {
     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++; }
    +	};
    +	close (DFH);
    +    }
    +    print $fh "
    "; + + my $lonsqlfile="$perlvar{'lonDaemons'}/logs/lonsql.pid"; + + $restartflag=1; + + if (-e $lonsqlfile) { + my $lfh=IO::File->new("$lonsqlfile"); + my $lonsqlpid=<$lfh>; + chomp($lonsqlpid); + if (kill 0 => $lonsqlpid) { + print $fh "

    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 "
    "; + } + } + + $fname="$perlvar{'lonDaemons'}/logs/lonsql.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); +} # ------------------------------------------------------------------------ lond print $fh '


    lond

    Log

    ';
    +print "lond\n";
     
     if (-e "$perlvar{'lonDaemons'}/logs/lond.log"){
    -open (DFH,"tail -n100 $perlvar{'lonDaemons'}/logs/lond.log|");
    +open (DFH,"tail -n25 $perlvar{'lonDaemons'}/logs/lond.log|");
     while ($line=) { 
        print $fh "$line";
        if ($line=~/INFO/) { $notices++; }
    @@ -218,21 +428,34 @@ print $fh "
    "; my $londfile="$perlvar{'lonDaemons'}/logs/lond.pid"; -if (-e $londfile) { +$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

    "; + print $fh "

    lond at pid $londpid responding, sending USR1

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

    lond at pid $londpid not responding

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

    Decided to clean up stale .pid file and restart lond

    "; } -} else { +} +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("$perlvar{'lonDaemons'}/lond"); - sleep 120; + system( + "$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"); @@ -245,8 +468,9 @@ if (-e $londfile) { $errors++; $errors++; print $fh "

    lond at pid $londpid not responding

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

    "; - system("$perlvar{'lonDaemons'}/lond"); - sleep 120; + system( + "$perlvar{'lonDaemons'}/lond 2>>$perlvar{'lonDaemons'}/logs/lond_errors"); + sleep 10; } } else { print $fh "Seems like that did not work!

    "; @@ -283,9 +507,10 @@ if ($size>40000) { # ------------------------------------------------------------------------ lonc print $fh '


    lonc

    Log

    ';
    +print "lonc\n";
     
     if (-e "$perlvar{'lonDaemons'}/logs/lonc.log"){
    -open (DFH,"tail -n100 $perlvar{'lonDaemons'}/logs/lonc.log|");
    +open (DFH,"tail -n25 $perlvar{'lonDaemons'}/logs/lonc.log|");
     while ($line=) { 
        print $fh "$line";
        if ($line=~/INFO/) { $notices++; }
    @@ -298,6 +523,7 @@ print $fh "
    "; my $loncfile="$perlvar{'lonDaemons'}/logs/lonc.pid"; +$restartflag=1; if (-e $loncfile) { my $lfh=IO::File->new("$loncfile"); my $loncpid=<$lfh>; @@ -305,15 +531,27 @@ if (-e $loncfile) { if (kill 0 => $loncpid) { print $fh "

    lonc at pid $loncpid responding, sending USR1

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

    "; } -} else { +} +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("$perlvar{'lonDaemons'}/lonc"); - sleep 120; + system( + "$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"); @@ -326,8 +564,9 @@ if (-e $loncfile) { $errors++; $errors++; print $fh "

    lonc at pid $loncpid not responding

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

    "; - system("$perlvar{'lonDaemons'}/lonc"); - sleep 120; + system( + "$perlvar{'lonDaemons'}/lonc 2>>$perlvar{'lonDaemons'}/logs/lonc_errors"); + sleep 10; } } else { print $fh "Seems like that did not work!

    "; @@ -365,6 +604,7 @@ if ($size>40000) { # ---------------------------------------------------------------------- lonnet 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=) { 
    @@ -372,7 +612,7 @@ while ($line=) {
     };
     close (DFH);
     }
    -print $fh "

    Perm Log

    "; +print $fh "

    Perm Log

    ";
     
     if (-e "$perlvar{'lonDaemons'}/logs/lonnet.perm.log") {
         open(DFH,"tail -n10 $perlvar{'lonDaemons'}/logs/lonnet.perm.log|");
    @@ -422,6 +662,7 @@ print $fh "";
     # ------------------------------------------------------------ Delayed messages
     
     print $fh '

    Delayed Messages

    '; +print "buffers\n"; print $fh '

    Scanning Permanent Log

    '; @@ -458,12 +699,13 @@ print $fh "

    Total Error Count: $total $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(