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Diff for /loncom/loncron between versions 1.63 and 1.75

version 1.63, 2006/01/27 21:27:15 version 1.75, 2007/06/12 23:50:39
Line 32  use strict; Line 32  use strict;
   
 use lib '/home/httpd/lib/perl/';  use lib '/home/httpd/lib/perl/';
 use LONCAPA::Configuration;  use LONCAPA::Configuration;
   use Apache::lonnet;
   
 use IO::File;  use IO::File;
 use IO::Socket;  use IO::Socket;
Line 43  use vars qw (%perlvar %simplestatus $err Line 44  use vars qw (%perlvar %simplestatus $err
 my $statusdir="/home/httpd/html/lon-status";  my $statusdir="/home/httpd/html/lon-status";
   
   
 # -------------------------------------------------- Non-critical communication  
 sub reply {  
     my ($cmd,$server)=@_;  
     my $peerfile="$perlvar{'lonSockDir'}/$server";  
     my $client=IO::Socket::UNIX->new(Peer    =>"$peerfile",  
                                      Type    => SOCK_STREAM,  
                                      Timeout => 10)  
        or return "con_lost";  
     print $client "$cmd\n";  
     my $answer=<$client>;  
     chomp($answer);  
     if (!$answer) { $answer="con_lost"; }  
     return $answer;  
 }  
   
 # --------------------------------------------------------- Output error status  # --------------------------------------------------------- Output error status
   
 sub log {  sub log {
Line 76  sub errout { Line 62  sub errout {
 ENDERROUT  ENDERROUT
 }  }
   
   sub rotate_logfile {
       my ($file,$fh,$description) = @_;
       my $size=(stat($file))[7];
       if ($size>40000) {
    &log($fh,"<p>Rotating $description ...</p>");
    rename("$file.2","$file.3");
    rename("$file.1","$file.2");
    rename("$file","$file.1");
       } 
   }
   
 sub start_daemon {  sub start_daemon {
     my ($fh,$daemon,$pidfile,$args) = @_;      my ($fh,$daemon,$pidfile,$args) = @_;
     my $progname=$daemon;      my $progname=$daemon;
     if ($daemon eq 'lonc' && $args eq 'new') {      if ($daemon eq 'lonc') {
  $progname='loncnew';    $progname='loncnew'; 
  print "new ";  
     }      }
     my $error_fname="$perlvar{'lonDaemons'}/logs/${daemon}_errors";      my $error_fname="$perlvar{'lonDaemons'}/logs/${daemon}_errors";
     my $size=(stat($error_fname))[7];      &rotate_logfile($error_fname,$fh,'error logs');
     if ($size>40000) {      if ($daemon eq 'lonc') {
  &log($fh,"<p>Rotating error logs ...</p>");   &clean_sockets($fh);
  rename("$error_fname.2","$error_fname.3");  
  rename("$error_fname.1","$error_fname.2");  
  rename("$error_fname","$error_fname.1");  
     }      }
     system("$perlvar{'lonDaemons'}/$progname 2>$perlvar{'lonDaemons'}/logs/${daemon}_errors");      system("$perlvar{'lonDaemons'}/$progname 2>$perlvar{'lonDaemons'}/logs/${daemon}_errors");
     sleep 1;      sleep 1;
Line 208  sub checkon_daemon { Line 201  sub checkon_daemon {
     }      }
           
     my $fname="$perlvar{'lonDaemons'}/logs/$daemon.log";      my $fname="$perlvar{'lonDaemons'}/logs/$daemon.log";
           &rotate_logfile($fname,$fh,'logs');
     my ($dev,$ino,$mode,$nlink,  
  $uid,$gid,$rdev,$size,  
  $atime,$mtime,$ctime,  
  $blksize,$blocks)=stat($fname);  
       
     if ($size>$maxsize) {  
  &log($fh,"<p>Rotating logs ...</p>");  
  rename("$fname.2","$fname.3");  
  rename("$fname.1","$fname.2");  
  rename("$fname","$fname.1");  
     }  
   
     &errout($fh);      &errout($fh);
     return $result;      return $result;
Line 298  sub log_machine_info { Line 280  sub log_machine_info {
 }  }
   
 sub start_logging {  sub start_logging {
     my ($hostdom,$hostrole,$hostname,$spareid)=@_;  
     my $fh=IO::File->new(">$statusdir/newstatus.html");      my $fh=IO::File->new(">$statusdir/newstatus.html");
     my %simplestatus=();      my %simplestatus=();
     my $now=time;      my $now=time;
Line 341  ENDHEADERS Line 322  ENDHEADERS
      &encode_entities($perlvar{$varname},'<>&"')."</td></tr>\n");       &encode_entities($perlvar{$varname},'<>&"')."</td></tr>\n");
     }      }
     &log($fh,"</table><h3>Hosts</h3><table border='2'>");      &log($fh,"</table><h3>Hosts</h3><table border='2'>");
     foreach my $id (sort(keys(%{$hostname}))) {      my %hostname = &Apache::lonnet::all_hostnames();
       foreach my $id (sort(keys(%hostname))) {
    my $role = (&Apache::lonnet::is_library($id) ? 'library'
                                        : 'access');
  &log($fh,   &log($fh,
     "<tr><td>$id</td><td>".$hostdom->{$id}.      "<tr><td>$id</td><td>".&Apache::lonnet::host_domain($id).
     "</td><td>".$hostrole->{$id}.      "</td><td>".$role.
     "</td><td>".$hostname->{$id}."</td></tr>\n");      "</td><td>".&Apache::lonnet::hostname($id)."</td></tr>\n");
     }      }
     &log($fh,"</table><h3>Spare Hosts</h3><ol>");      &log($fh,"</table><h3>Spare Hosts</h3><ul>");
     foreach my $id (sort(keys(%{$spareid}))) {      foreach my $type (sort(keys(%Apache::lonnet::spareid))) {
  &log($fh,"<li>$id\n</li>");   &log($fh,"<li>$type\n<ol>");
    foreach my $id (@{ $Apache::lonnet::spareid{$type} }) {
       &log($fh,"<li>$id</li>\n");
    }
    &log($fh,"</ol>\n</li>\n");
     }      }
     &log($fh,"</ol>\n");      &log($fh,"</ul>\n");
     return $fh;      return $fh;
 }  }
   
Line 413  sub clean_lonIDs { Line 401  sub clean_lonIDs {
     &log($fh,"<h3>$active open session(s)</h3>");      &log($fh,"<h3>$active open session(s)</h3>");
 }  }
   
   # ----------------------------------------------------------- clean out sockets
   sub clean_sockets {
       my ($fh)=@_;
       my $cleaned=0;
       opendir(SOCKETS,$perlvar{'lonSockDir'});
       while (my $fname=readdir(SOCKETS)) {
    next if (-d $fname 
    || $fname=~/(mysqlsock|maximasock|\Q$perlvar{'lonSockDir'}\E)/);
    $cleaned++;
    &log($fh,"Unlinking $fname<br />");
    unlink("/home/httpd/sockets/$fname");
       }
       &log($fh,"<p>Cleaned up ".$cleaned." stale sockets.</p>");
   }
   
   
 # ----------------------------------------------------------------------- httpd  # ----------------------------------------------------------------------- httpd
 sub check_httpd_logs {  sub check_httpd_logs {
Line 459  sub rotate_lonnet_logs { Line 462  sub rotate_lonnet_logs {
     } else { &log($fh,"No perm log\n") }      } else { &log($fh,"No perm log\n") }
   
     my $fname="$perlvar{'lonDaemons'}/logs/lonnet.log";      my $fname="$perlvar{'lonDaemons'}/logs/lonnet.log";
       &rotate_logfile($fname,$fh,'lonnet log');
     my ($dev,$ino,$mode,$nlink,  
  $uid,$gid,$rdev,$size,  
  $atime,$mtime,$ctime,  
  $blksize,$blocks)=stat($fname);  
   
     if ($size>40000) {  
  &log($fh,"<p>Rotating logs ...</p>");  
  rename("$fname.2","$fname.3");  
  rename("$fname.1","$fname.2");  
  rename("$fname","$fname.1");  
     }  
   
     &log($fh,"</pre>");      &log($fh,"</pre>");
     &errout($fh);      &errout($fh);
 }  }
   
   sub rotate_other_logs {
       my ($fh) = @_;
       my $fname="$perlvar{'lonDaemons'}/logs/autoenroll.log";
       &rotate_logfile($fname,$fh,'Auto Enroll log');
       $fname="$perlvar{'lonDaemons'}/logs/autocreate.log";
       &rotate_logfile($fname,$fh,'Create Course log');
       $fname="$perlvar{'lonDaemons'}/logs/searchcat.log";
       &rotate_logfile($fname,$fh,'Search Cataloguing log');
   }
   
 # ----------------------------------------------------------------- Connections  # ----------------------------------------------------------------- Connections
 sub test_connections {  sub test_connections {
     my ($fh,$hostname)=@_;      my ($fh)=@_;
     &log($fh,'<hr /><a name="connections" /><h2>Connections</h2>');      &log($fh,'<hr /><a name="connections" /><h2>Connections</h2>');
     print "testing connections\n";      print "testing connections\n";
     &log($fh,"<table border='2'>");      &log($fh,"<table border='2'>");
     my ($good,$bad)=(0,0);      my ($good,$bad)=(0,0);
     foreach my $tryserver (sort(keys(%{$hostname}))) {      my %hostname = &Apache::lonnet::all_hostnames();
       foreach my $tryserver (sort(keys(%hostname))) {
  print(".");   print(".");
  my $result;   my $result;
  my $answer=reply("ping",$tryserver);   my $answer=&Apache::lonnet::reply("ping",$tryserver);
  if ($answer eq "$tryserver:$perlvar{'lonHostID'}") {   if ($answer eq "$tryserver:$perlvar{'lonHostID'}") {
     $result="<b>ok</b>";      $result="<b>ok</b>";
     $good++;      $good++;
Line 536  sub check_delayed_msg { Line 539  sub check_delayed_msg {
   
     if ($unsend) { $simplestatus{'unsend'}=$unsend; }      if ($unsend) { $simplestatus{'unsend'}=$unsend; }
     &log($fh,"<h3>Outgoing Buffer</h3>\n<pre>");      &log($fh,"<h3>Outgoing Buffer</h3>\n<pre>");
   # list directory with delayed messages and remember offline servers
       my %servers=();
     open (DFH,"ls -lF $perlvar{'lonSockDir'}/delayed|");      open (DFH,"ls -lF $perlvar{'lonSockDir'}/delayed|");
     while (my $line=<DFH>) {       while (my $line=<DFH>) {
           my ($server)=($line=~/\.(\w+)$/);
           if ($server) { $servers{$server}=1; }
  &log($fh,&encode_entities($line,'<>&"'));   &log($fh,&encode_entities($line,'<>&"'));
     }      }
     &log($fh,"</pre>\n");      &log($fh,"</pre>\n");
     close (DFH);      close (DFH);
   # pong to all servers that have delayed messages
   # this will trigger a reverse connection, which should flush the buffers
       foreach my $tryserver (keys %servers) {
    my $answer=&Apache::lonnet::reply("pong",$tryserver);
    &log($fh,"Pong to $tryserver: $answer<br />");
       }
 }  }
   
 sub finish_logging {  sub finish_logging {
Line 564  sub finish_logging { Line 576  sub finish_logging {
 }  }
   
 sub log_simplestatus {  sub log_simplestatus {
     rename ("$statusdir/newstatus.html","$statusdir/index.html");      rename("$statusdir/newstatus.html","$statusdir/index.html");
           
     my $sfh=IO::File->new(">$statusdir/loncron_simple.txt");      my $sfh=IO::File->new(">$statusdir/loncron_simple.txt");
     foreach (keys %simplestatus) {      foreach (keys %simplestatus) {
Line 593  sub usage { Line 605  sub usage {
 loncron - housekeeping program that checks up on various parts of Lon-CAPA  loncron - housekeeping program that checks up on various parts of Lon-CAPA
   
 Options:  Options:
    --help     Display help     --help     Display 
    --oldlonc  When starting the lonc daemon use 'lonc' not 'loncnew'  
    --noemail  Do not send the status email     --noemail  Do not send the status email
    --justcheckconnections  Only check the current status of the lonc/d     --justcheckconnections  Only check the current status of the lonc/d
                                 connections, do not send emails do not                                  connections, do not send emails do not
Line 614  USAGE Line 625  USAGE
   
 # ================================================================ Main Program  # ================================================================ Main Program
 sub main () {  sub main () {
     my ($oldlonc,$help,$justcheckdaemons,$noemail,$justcheckconnections,      my ($help,$justcheckdaemons,$noemail,$justcheckconnections,
  $justreload);   $justreload);
     &GetOptions("help"                 => \$help,      &GetOptions("help"                 => \$help,
  "oldlonc"              => \$oldlonc,  
  "justcheckdaemons"     => \$justcheckdaemons,   "justcheckdaemons"     => \$justcheckdaemons,
  "noemail"              => \$noemail,   "noemail"              => \$noemail,
  "justcheckconnections" => \$justcheckconnections,   "justcheckconnections" => \$justcheckconnections,
Line 630  sub main () { Line 640  sub main () {
     undef $perlvarref;      undef $perlvarref;
     delete $perlvar{'lonReceipt'}; # remove since sensitive and not needed      delete $perlvar{'lonReceipt'}; # remove since sensitive and not needed
     delete $perlvar{'lonSqlAccess'}; # remove since sensitive and not needed      delete $perlvar{'lonSqlAccess'}; # remove since sensitive and not needed
       chdir($perlvar{'lonDaemons'});
 # --------------------------------------- Make sure that LON-CAPA is configured  # --------------------------------------- Make sure that LON-CAPA is configured
 # I only test for one thing here (lonHostID).  This is just a safeguard.  # I only test for one thing here (lonHostID).  This is just a safeguard.
     if ('{[[[[lonHostID]]]]}' eq $perlvar{'lonHostID'}) {      if ('{[[[[lonHostID]]]]}' eq $perlvar{'lonHostID'}) {
Line 656  sub main () { Line 666  sub main () {
  exit 1;   exit 1;
     }      }
   
 # ------------------------------------------------------------- Read hosts file  # -------------------------------------------- Force reload of host information
     my $config=IO::File->new("$perlvar{'lonTabDir'}/hosts.tab");      &Apache::lonnet::load_hosts_tab(1);
           &Apache::lonnet::load_domain_tab(1);
     my (%hostname,%hostdom,%hostrole,%spareid);      &Apache::lonnet::get_iphost(1);
     while (my $configline=<$config>) {  
  next if ($configline =~ /^(\#|\s*\$)/);  
  my ($id,$domain,$role,$name)=split(/:/,$configline);  
  if ($id && $domain && $role && $name) {  
     $name=~s/\s//g;  
     $hostname{$id}=$name;  
     $hostdom{$id}=$domain;  
     $hostrole{$id}=$role;  
  }  
     }  
     undef $config;  
   
 # ------------------------------------------------------ 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;  
   
 # ---------------------------------------------------------------- Start report  # ---------------------------------------------------------------- Start report
   
Line 692  sub main () { Line 680  sub main () {
   
     my $fh;      my $fh;
     if (!$justcheckdaemons && !$justcheckconnections && !$justreload) {      if (!$justcheckdaemons && !$justcheckconnections && !$justreload) {
  $fh=&start_logging(\%hostdom,\%hostrole,\%hostname,\%spareid);   $fh=&start_logging();
   
  &log_machine_info($fh);   &log_machine_info($fh);
  &clean_tmp($fh);   &clean_tmp($fh);
  &clean_lonIDs($fh);   &clean_lonIDs($fh);
  &check_httpd_logs($fh);   &check_httpd_logs($fh);
  &rotate_lonnet_logs($fh);   &rotate_lonnet_logs($fh);
    &rotate_other_logs($fh);
     }      }
     if (!$justcheckconnections && !$justreload) {      if (!$justcheckconnections && !$justreload) {
  &checkon_daemon($fh,'lonsql',200000);   &checkon_daemon($fh,'lonsql',200000);
  if ( &checkon_daemon($fh,'lond',40000,'USR1') eq 'running') {   if ( &checkon_daemon($fh,'lond',40000,'USR1') eq 'running') {
     &checkon_daemon($fh,'lond',40000,'USR2');      &checkon_daemon($fh,'lond',40000,'USR2');
  }   }
  my $args='new';   &checkon_daemon($fh,'lonc',40000,'USR1');
  if ($oldlonc) { $args = ''; }  
  if ( &checkon_daemon($fh,'lonc',40000,'USR1',$args) eq 'running') {  
     &checkon_daemon($fh,'lond',40000,'USR2',$args);  
  }  
  &checkon_daemon($fh,'lonhttpd',40000);   &checkon_daemon($fh,'lonhttpd',40000);
  &checkon_daemon($fh,'lonmemcached',40000);   &checkon_daemon($fh,'lonmemcached',40000);
           &checkon_daemon($fh,'lonmaxima',40000);
     }      }
     if ($justreload) {      if ($justreload) {
  &checkon_daemon($fh,'lond',40000,'USR2');   &checkon_daemon($fh,'lond',40000,'USR2');
  my $args='new';   &checkon_daemon($fh,'lonc',40000,'USR2');
  if ($oldlonc) { $args = ''; }  
  &checkon_daemon($fh,'lonc',40000,'USR2',$args);  
     }      }
     if ($justcheckconnections) {      if ($justcheckconnections) {
  &test_connections($fh,\%hostname);   &test_connections($fh);
     }      }
     if (!$justcheckdaemons && !$justcheckconnections && !$justreload) {      if (!$justcheckdaemons && !$justcheckconnections && !$justreload) {
  &check_delayed_msg($fh);   &check_delayed_msg($fh);
Removed from v.1.63  
changed lines
  Added in v.1.75

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