--- loncom/loncron 2000/02/08 17:54:11 1.4 +++ loncom/loncron 2001/03/15 13:20:46 1.18 @@ -9,6 +9,9 @@ # # 7/14,7/15,7/19,7/21,7/22,11/18, # 2/8 Gerd Kortemeyer +# Dec 00 Scott Harrison +# 12/23 Gerd Kortemeyer +# 02/12/2001 Scott Harrison use IO::File; use IO::Socket; @@ -43,7 +46,6 @@ ENDERROUT # ================================================================ Main Program - # ------------------------------------------------------------ Read access.conf { my $config=IO::File->new("/etc/httpd/conf/access.conf"); @@ -56,6 +58,31 @@ ENDERROUT } } +# --------------------------------------- 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 { my $config=IO::File->new("$perlvar{'lonTabDir'}/hosts.tab"); @@ -110,7 +137,10 @@ print $fh (<
  • Configuration
  • Machine Information +
  • Temporary Files +
  • Session Tokens
  • httpd +
  • lonsql
  • lond
  • lonc
  • lonnet @@ -182,6 +212,48 @@ while ($line=) { close (DFH); print $fh ""; &errout($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

    ';
@@ -200,6 +272,95 @@ while ($line=) {
 close (DFH);
 print $fh "
    "; &errout($fh); + + +# ---------------------------------------------------------------------- lonsql +# +# Do not run for now +# +if ($perlvar{'lonRole'} eq "library") { + + print $fh '

    lonsql

    Log

    ';
+    
+    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"; + + 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

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

    lonsql at pid $lonsqlpid not responding

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

    lonsql not running, trying to start

    "; + system( + "$perlvar{'lonDaemons'}/lonsql 2>>$perlvar{'lonDaemons'}/logs/lonsql_errors"); + sleep 120; + 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 120; + } + } 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

    ';
@@ -218,20 +379,41 @@ print $fh "
    "; my $londfile="$perlvar{'lonDaemons'}/logs/lond.pid"; -if (-e $londfile) { +my $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

    "; + $restartflag=0; } else { - $errors++; $errors++; + $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; + } + print $fh + "

    Deciding to clean up stale .pid file and restart lond

    "; } -} else { +} +if ($restartflag==1) { $errors++; print $fh "

    lond not running, trying to start

    "; - system("$perlvar{'lonDaemons'}/lond"); + system( + "$perlvar{'lonDaemons'}/lond 2>>$perlvar{'lonDaemons'}/logs/lond_errors"); sleep 120; if (-e $londfile) { print $fh "Seems like it started ...

    "; @@ -245,7 +427,8 @@ if (-e $londfile) { $errors++; $errors++; print $fh "

    lond at pid $londpid not responding

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

    "; - system("$perlvar{'lonDaemons'}/lond"); + system( + "$perlvar{'lonDaemons'}/lond 2>>$perlvar{'lonDaemons'}/logs/lond_errors"); sleep 120; } } else { @@ -298,6 +481,7 @@ print $fh ""; my $loncfile="$perlvar{'lonDaemons'}/logs/lonc.pid"; +$restartflag=1; if (-e $loncfile) { my $lfh=IO::File->new("$loncfile"); my $loncpid=<$lfh>; @@ -305,14 +489,34 @@ 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

    "; + # 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

    "; } -} else { +} +if ($restartflag==1) { $errors++; print $fh "

    lonc not running, trying to start

    "; - system("$perlvar{'lonDaemons'}/lonc"); + system( + "$perlvar{'lonDaemons'}/lonc 2>>$perlvar{'lonDaemons'}/logs/lonc_errors"); sleep 120; if (-e $loncfile) { print $fh "Seems like it started ...

    "; @@ -326,7 +530,8 @@ if (-e $loncfile) { $errors++; $errors++; print $fh "

    lonc at pid $loncpid not responding

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

    "; - system("$perlvar{'lonDaemons'}/lonc"); + system( + "$perlvar{'lonDaemons'}/lonc 2>>$perlvar{'lonDaemons'}/logs/lonc_errors"); sleep 120; } } else { @@ -372,7 +577,7 @@ while ($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|");