--- loncom/loncron 2001/08/27 13:54:50 1.22 +++ loncom/loncron 2002/07/25 18:24:27 1.31 @@ -13,16 +13,18 @@ # 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; -my $qflag=0; -if (@ARGV) { - my $arg=shift @ARGV; - $qflag=1 if $arg eq 'quick'; -} - # -------------------------------------------------- Non-critical communication sub reply { my ($cmd,$server)=@_; @@ -53,19 +55,13 @@ 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; - } - } - delete $perlvar{'lonReceipt'}; # remove since sensitive and not needed - delete $perlvar{'lonSqlAccess'}; # remove since sensitive and not needed -} +# --------------------------------- 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 $perlvar{'lonSqlAccess'}; # remove since sensitive and not needed # --------------------------------------- Make sure that LON-CAPA is configured # I only test for one thing here (lonHostID). This is just a safeguard. @@ -97,14 +93,21 @@ if ($wwwid!=$<) { my $config=IO::File->new("$perlvar{'lonTabDir'}/hosts.tab"); 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}=$name; - } + my ($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}=$name; + } + } else { + if ($configline) { +# &logthis("Skipping hosts.tab line -$configline-"); + } + } } } @@ -164,17 +167,17 @@ print $fh (< ENDHEADERS -foreach $varname (keys %perlvar) { +foreach $varname (sort(keys(%perlvar))) { print $fh "$varname$perlvar{$varname}\n"; } print $fh "

Hosts

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

Spare Hosts

    "; -foreach $id (keys %spareid) { +foreach $id (sort(keys(%spareid))) { print $fh "
  1. $id\n"; } @@ -210,7 +213,8 @@ while ($line=) { $usage=$parts[4]; $usage=~s/\W//g; if ($usage>90) { - $warnings++; + $warnings++; + $notices++; } elsif ($usage>80) { $warnings++; } elsif ($usage>60) { @@ -220,11 +224,29 @@ 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, @@ -233,12 +255,24 @@ while ($fname=<$perlvar{'lonDaemons'}/tm $now=time; $since=$now-$mtime; if ($since>$perlvar{'lonExpire'}) { - $cleaned++; - unlink("$fname"); + $line=''; + if (open(PROBE,$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."; +print $fh "Cleaned up ".$cleaned." files (".$old." old checkout tokens)."; # ------------------------------------------------------------ clean out lonIDs print $fh '

    Session Tokens

    '; @@ -267,13 +301,13 @@ print $fh "

    $active open session(s)

    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++; } 
    @@ -289,7 +323,7 @@ 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=) { 
    @@ -303,7 +337,9 @@ if ($perlvar{'lonRole'} eq "library") {
         print $fh "
    "; my $lonsqlfile="$perlvar{'lonDaemons'}/logs/lonsql.pid"; - + + $restartflag=1; + if (-e $lonsqlfile) { my $lfh=IO::File->new("$lonsqlfile"); my $lonsqlpid=<$lfh>; @@ -314,38 +350,29 @@ if ($perlvar{'lonRole'} eq "library") { } else { $errors++; $errors++; print $fh "

    lonsql at pid $lonsqlpid not responding

    "; - # Intelligently handle this. - # Possibility #1: there is no process - # Solution: remove .pid file and restart - if (getpgrp($lonsqlpid)==-1) { - unlink($lonsqlfile); $restartflag=1; - } - else { - # Possibility #2: there is a live process that is not - # responding for an unknown reason - # Solution: kill parent and children processes, remove .pid - # and restart - `killall -9 lonsql`; - unlink($lonsqlfile); - $restartflag=1; - } - } print $fh - "

    Deciding to clean up stale .pid file and restart lonsql

    "; + "

    Decided to clean up stale .pid file and restart lonsql

    "; + } } 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 120 unless $qflag; + sleep 2; if (-e $lonsqlfile) { print $fh "Seems like it started ...

    "; my $lfh=IO::File->new("$lonsqlfile"); my $lonsqlpid=<$lfh>; chomp($lonsqlpid); - sleep 30 unless $qflag; + sleep 2; if (kill 0 => $lonsqlpid) { print $fh "

    lonsql at pid $lonsqlpid responding

    "; } else { @@ -354,7 +381,7 @@ if ($perlvar{'lonRole'} eq "library") { print $fh "Give it one more try ...

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

    "; @@ -392,9 +419,10 @@ if ($perlvar{'lonRole'} eq "library") { # ------------------------------------------------------------------------ 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++; }
    @@ -413,42 +441,34 @@ if (-e $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++; print $fh "

    lond at pid $londpid not responding

    "; - # Intelligently handle this. - # Possibility #1: there is no process - # Solution: remove .pid file and restart - if (getpgrp($londpid)==-1) { - unlink($londfile); - $restartflag=1; - } - else { - # Possibility #2: there is a live process that is not responding - # for an unknown reason - # Solution: kill parent and children processes, remove .pid and restart - `killall -9 lond`; - unlink($londfile); - $restartflag=1; - } + $restartflag=1; print $fh - "

    Deciding to clean up stale .pid file and restart lond

    "; + "

    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 120 unless $qflag; + sleep 2; if (-e $londfile) { print $fh "Seems like it started ...

    "; my $lfh=IO::File->new("$londfile"); my $londpid=<$lfh>; chomp($londpid); - sleep 30 unless $qflag; + sleep 2; if (kill 0 => $londpid) { print $fh "

    lond at pid $londpid responding

    "; } else { @@ -457,7 +477,7 @@ if ($restartflag==1) { print $fh "Give it one more try ...

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

    "; @@ -494,9 +514,10 @@ 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++; }
    @@ -521,37 +542,29 @@ if (-e $loncfile) {
        } else {
           $errors++;
           print $fh "

    lonc at pid $loncpid not responding

    "; - # Intelligently handle this. - # Possibility #1: there is no process - # Solution: remove .pid file and restart - if (getpgrp($loncpid)==-1) { - unlink($loncfile); - $restartflag=1; - } - else { - # Possibility #2: there is a live process that is not responding - # for an unknown reason # Solution: kill parent and children processes, remove .pid and restart - `killall -9 lonc`; - unlink($loncfile); $restartflag=1; - } print $fh - "

    Deciding to clean up stale .pid file and restart lonc

    "; + "

    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 120 unless $qflag; + sleep 2; if (-e $loncfile) { print $fh "Seems like it started ...

    "; my $lfh=IO::File->new("$loncfile"); my $loncpid=<$lfh>; chomp($loncpid); - sleep 30 unless $qflag; + sleep 2; if (kill 0 => $loncpid) { print $fh "

    lonc at pid $loncpid responding

    "; } else { @@ -560,7 +573,7 @@ if ($restartflag==1) { print $fh "Give it one more try ...

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

    "; @@ -598,6 +611,7 @@ 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=) { 
    @@ -636,7 +650,7 @@ print $fh "
    "; print $fh '

    Connections

    '; print $fh ""; -foreach $tryserver (keys %hostname) { +foreach $tryserver (sort(keys(%hostname))) { $answer=reply("pong",$tryserver); if ($answer eq "$tryserver:$perlvar{'lonHostID'}") { @@ -655,6 +669,7 @@ print $fh "
    "; # ------------------------------------------------------------ Delayed messages print $fh '

    Delayed Messages

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

    Scanning Permanent Log

    '; @@ -691,17 +706,17 @@ 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( - "metasend -b -t $emailto -s '$subj' -f $statusdir/index.html -m text/html") - unless $qflag; + "metasend -b -t $emailto -s '$subj' -f $statusdir/index.html -m text/html"); } 1;