--- loncom/loncron 1999/10/13 17:48:51 1.1 +++ loncom/loncron 2001/11/26 21:00:42 1.25 @@ -7,7 +7,15 @@ # 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 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 + +$|=1; use IO::File; use IO::Socket; @@ -40,46 +48,8 @@ sub errout { ENDERROUT } -# -------------------------------------------------------------- Permanent logs -sub logperm { - my $message=shift; - my $execdir=$perlvar{'lonDaemons'}; - my $now=time; - my $local=localtime($now); - my $fh=Apache::File->new(">>$execdir/logs/lonnet.perm.log"); - print $fh "$now:$message:$local\n"; - return 1; -} - -# ------------------------------------------------ Try to send delayed messages -sub senddelayed { - my $fh=shift; - my $dfname; - my $path="$perlvar{'lonSockDir'}/delayed"; - print $fh "

Attempting to send delayed messages

"; - while ($dfname=<$path/*>) { - my $wcmd; - { - my $dfh=IO::File->new($dfname); - $wcmd=<$dfh>; - } - my ($server,$cmd)=split(/:/,$wcmd); - chomp($cmd); - my $answer=reply($cmd,$server); - if ($answer ne 'con_lost') { - unlink("$dfname"); - print $fh "Send $cmd to $server: $answer
\n"; - &logperm("S:$server:$cmd"); - } else { - print $fh "Failed to deliver $cmd to $server
\n"; - $warnings++; - } - } -} - # ================================================================ Main Program - # ------------------------------------------------------------ Read access.conf { my $config=IO::File->new("/etc/httpd/conf/access.conf"); @@ -90,6 +60,33 @@ sub senddelayed { $perlvar{$varname}=$varvalue; } } + 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 @@ -139,14 +136,17 @@ print $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 @@ -189,7 +189,7 @@ close (LOADAVGH); print $fh "$loadavg"; @parts=split(/\s+/,$loadavg); -if ($parts[1]>3.0) { +if ($parts[1]>4.0) { $errors++; } elsif ($parts[1]>2.0) { $warnings++; @@ -207,28 +207,88 @@ while ($line=) { $usage=$parts[4]; $usage=~s/\W//g; if ($usage>90) { - $errors++; + $warnings++; + $notices++; } elsif ($usage>80) { $warnings++; } elsif ($usage>60) { $notices++; } - if ($usage>95) { $errors++; } + if ($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++;
+}
+close (PSH);
+print $fh "
    "; + +if ($psproc>200) { $notices++; } +if ($psproc>250) { $notices++; } + &errout($fh); + +# --------------------------------------------------------------- clean out tmp +print $fh '

    Temporary Files

    '; +$cleaned=0; +while ($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'}) { + $cleaned++; + unlink("$fname"); + } + +} +print $fh "Cleaned up ".$cleaned." files."; + +# ------------------------------------------------------------ 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=~/\[error\]/) { $notices++; } 
@@ -236,15 +296,119 @@ while ($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 -n50 $perlvar{'lonDaemons'}/logs/lond.log|");
+open (DFH,"tail -n25 $perlvar{'lonDaemons'}/logs/lond.log|");
 while ($line=) { 
    print $fh "$line";
-   if ($line=~/giving up/) { $notices++; }
+   if ($line=~/INFO/) { $notices++; }
+   if ($line=~/WARNING/) { $notices++; }
+   if ($line=~/CRITICAL/) { $warnings++; }
 };
 close (DFH);
 }
@@ -252,21 +416,34 @@ 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"); @@ -279,13 +456,25 @@ 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!

    "; $errors++; } + if (-e "$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 "
    "; + } } $fname="$perlvar{'lonDaemons'}/logs/lond.log"; @@ -306,12 +495,15 @@ if ($size>40000) { # ------------------------------------------------------------------------ lonc print $fh '

    lonc

    Log

    ';
+print "lonc\n";
 
 if (-e "$perlvar{'lonDaemons'}/logs/lonc.log"){
-open (DFH,"tail -n50 $perlvar{'lonDaemons'}/logs/lonc.log|");
+open (DFH,"tail -n25 $perlvar{'lonDaemons'}/logs/lonc.log|");
 while ($line=) { 
    print $fh "$line";
-   if ($line=~/died/) { $notices++; }
+   if ($line=~/INFO/) { $notices++; }
+   if ($line=~/WARNING/) { $notices++; }
+   if ($line=~/CRITICAL/) { $warnings++; }
 };
 close (DFH);
 }
@@ -319,6 +511,7 @@ print $fh "
    "; my $loncfile="$perlvar{'lonDaemons'}/logs/lonc.pid"; +$restartflag=1; if (-e $loncfile) { my $lfh=IO::File->new("$loncfile"); my $loncpid=<$lfh>; @@ -326,15 +519,27 @@ 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"); @@ -347,13 +552,25 @@ 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!

    "; $errors++; } + if (-e "$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 "
    "; + } } $fname="$perlvar{'lonDaemons'}/logs/lonc.log"; @@ -375,17 +592,15 @@ 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=) { 
     print $fh "$line";
-    if ($line=~/Delayed/) { $warnings++; }
-    if ($line=~/giving up/) { $warnings++; }
-    if ($line=~/FAILED/) { $errors++; }
 };
 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|");
@@ -435,8 +650,7 @@ print $fh "";
 # ------------------------------------------------------------ Delayed messages
 
 print $fh '
    Delayed Messages
    ';
-
-&senddelayed($fh);
+print "buffers\n";
 
 print $fh '
    Scanning Permanent Log
    ';
 
@@ -473,12 +687,13 @@ 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(