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Diff for /loncom/init.d/loncontrol between versions 1.30 and 1.40

version 1.30, 2007/05/31 05:20:06 version 1.40, 2010/04/17 16:54:24
Line 32 Line 32
 # chkconfig: 345 95 5  # chkconfig: 345 95 5
 # description: LON-CAPA is a "network of knowledge".  It is used to \  # description: LON-CAPA is a "network of knowledge".  It is used to \
 # distribute knowledge resources and instructional management.  # distribute knowledge resources and instructional management.
 # processnames: lonc, lond, lonsql, lonmaxima  # processnames: lonc, lond, lonsql, lonmaxima, lonr
 # pidfiles: /home/httpd/perl/logs/lon*.pid  # pidfiles: /home/httpd/perl/logs/lon*.pid
 # config: /etc/httpd/conf/loncapa.conf  # config: /etc/httpd/conf/loncapa.conf
 # config: /home/httpd/lonTabs/hosts.tab  # config: /home/httpd/lonTabs/hosts.tab
 # config: /home/httpd/lonTabs/spare.tab  # config: /home/httpd/lonTabs/spare.tab
   # SuSE chkconfig/insserv info
   ### BEGIN INIT INFO
   # Provides:       loncapa
   # Required-Start: SuSEfirewall2_setup mysql apache2 $network $remote_fs
   # Should-Start:   $ALL
   # Required-Stop:
   # Default-Start:  3 4 5
   # Default-Stop:
   # Description:    Starts the LON-CAPA services
   ### END INIT INFO
   
   use strict;
   use lib '/home/httpd/lib/perl/';
   use LONCAPA::Configuration;
   use LONCAPA::Firewall;
   use Apache::lonnet;
   
 $command=$ARGV[0]; $command=~s/[^a-z]//g;  my $command=$ARGV[0]; $command=~s/[^a-z]//g;
   
 $ENV{'PATH'}="/sbin:/bin:/usr/sbin:/usr/bin:/usr/X11R6/bin:/root/bin";  $ENV{'PATH'}="/sbin:/bin:/usr/sbin:/usr/bin:/usr/X11R6/bin:/root/bin";
 $ENV{'BASH_ENV'}="";  $ENV{'BASH_ENV'}="";
   
 { # Firewall variable scoping  
     # Firewall code is based on the code in FC2 /etc/init.d/ntpd  
     my $fw_chain = 'RH-Firewall-1-INPUT';  
     my $iptables = '/sbin/iptables';  
     if (! -e $iptables) {  
  $iptables = '/usr/sbin/iptables';  
  if (! -e $iptables) {  
     print("Unable to find iptables command\n");  
  }  
     }  
     my $lond_port = 5663;  
     my $lonhttpd_port = 8080;  
   
 sub firewall_open_port {  
     return if (! &firewall_is_active);  
     if (! `$iptables -L -n 2>/dev/null | grep $fw_chain | wc -l`) { return; }  
     # iptables is running with our chain  
     #  
     # We could restrict the servers allowed to attempt to communicate  
     # here, but the logistics of updating the /home/httpd/lonTabs/host.tab  
     # file are likely to be a problem  
     foreach my $port ($lond_port,$lonhttpd_port) {  
         print "Opening firewall access on port $port.\n";  
   
         my $firewall_command =   
             "$iptables -I $fw_chain -p tcp -d 0/0 --dport $port -j ACCEPT";  
         system($firewall_command);  
         my $return_status = $?>>8;  
         if ($return_status == 1) {  
             # Error  
             print "Error opening port.\n";  
         } elsif ($return_status == 2) {  
             # Bad command  
             print "Bad command error opening port.  Command was\n".  
                 "  ".$firewall_command."\n";  
         }  
     }  
       
 }  
   
 sub firewall_is_port_open {  
     # returns 1 if the firewall port is open, 0 if not.  
     #  
     # check if firewall is active or installed  
     return if (! &firewall_is_active);  
     if (`$iptables -L -n 2>/dev/null | grep "tcp dpt:$port"`) {   
         return 1;  
     } else {  
         return 0;  
     }  
 }  
   
 sub firewall_is_active {  
     if (-e '/proc/net/ip_tables_names') {  
         return 1;  
     } else {  
         return 0;  
     }  
 }  
   
 sub firewall_close_port {  
     return if (! &firewall_is_active);  
     foreach my $port ($lond_port,$lonhttpd_port) {  
         print "Closing firewall access on port $port.\n";  
         my $firewall_command =   
             "$iptables -D $fw_chain -p tcp -d 0/0 --dport $port -j ACCEPT";  
         system($firewall_command);  
         my $return_status = $?>>8;  
         if ($return_status == 1) {  
             # Error  
             print "Error closing port.\n";  
         } elsif ($return_status == 2) {  
             # Bad command  
             print "Bad command error closing port.  Command was\n".  
                 "  ".$firewall_command."\n";  
         }  
     }  
 }  
   
 } # End firewall variable scope  
   
 sub stop_daemon {  sub stop_daemon {
     my ($daemon,$killallname)=@_;      my ($daemon,$killallname)=@_;
     my $pidfile="/home/httpd/perl/logs/$daemon.pid";      my $pidfile="/home/httpd/perl/logs/$daemon.pid";
Line 134  sub stop_daemon { Line 69  sub stop_daemon {
  my $daemonpid=<PIDFILE>;   my $daemonpid=<PIDFILE>;
  chomp($daemonpid);   chomp($daemonpid);
  kill TERM => $daemonpid;   kill TERM => $daemonpid;
  sleep 1;   my $count=0;
    while ($count++ < 5 && kill(0 => $daemonpid)) {
       sleep 1;
    }
  if (kill 0 => $daemonpid) {   if (kill 0 => $daemonpid) {
     kill KILL => $daemonpid;      kill KILL => $daemonpid;
     sleep 1;      sleep 1;
Line 160  sub stop_daemon { Line 98  sub stop_daemon {
   
 sub clean_sockets {  sub clean_sockets {
     opendir(SOCKETS,"/home/httpd/sockets/");      opendir(SOCKETS,"/home/httpd/sockets/");
       my $perlvarref=&LONCAPA::Configuration::read_conf();
       return if (ref($perlvarref) ne 'HASH');
     while (my $fname=readdir(SOCKETS)) {      while (my $fname=readdir(SOCKETS)) {
  next if (-d $fname   next if (-d $fname
  || $fname=~/(mysqlsock|maximasock|\Q$perlvar{'lonSockDir'}\E)/);   || $fname=~/(mysqlsock|maximasock|\Q$perlvarref->{'lonSockDir'}\E)/);
  unlink("/home/httpd/sockets/$fname");   unlink("/home/httpd/sockets/$fname");
     }      }
 }  }
Line 170  sub clean_sockets { Line 110  sub clean_sockets {
 if ($command eq "restart") {  if ($command eq "restart") {
     print 'Restarting LON-CAPA'."\n";      print 'Restarting LON-CAPA'."\n";
     print 'Ending LON-CAPA client and daemon processes'."\n";      print 'Ending LON-CAPA client and daemon processes'."\n";
     foreach my $daemon ('lonsql','lond','lonc','lonhttpd','lonmemcached','lonmaxima') {      foreach my $daemon ('lonsql','lond','lonc','lonmemcached','lonmaxima','lonr') {
  my $killallname=$daemon;   my $killallname=$daemon;
  if ($daemon eq 'lonc') { $killallname='loncnew'; }   if ($daemon eq 'lonc') { $killallname='loncnew'; }
  &stop_daemon($daemon,$killallname);   &stop_daemon($daemon,$killallname);
Line 178  if ($command eq "restart") { Line 118  if ($command eq "restart") {
     print 'Starting LON-CAPA client and daemon processes (please be patient)'.      print 'Starting LON-CAPA client and daemon processes (please be patient)'.
  "\n";   "\n";
     system("su www -c '/home/httpd/perl/loncron --justcheckdaemons'");      system("su www -c '/home/httpd/perl/loncron --justcheckdaemons'");
 } elsif ($command eq "stop") {  } elsif (($command eq "stop") || ($command eq 'start') || ($command eq 'status')) {
     print 'Stopping LON-CAPA'."\n";      my $iptables = &LONCAPA::Firewall::get_pathto_iptables();
     foreach my $daemon ('lonsql','lond','lonc','lonhttpd','lonmemcached','lonmaxima') {      my @fw_chains = &LONCAPA::Firewall::get_fw_chains($iptables);
  my $killallname=$daemon;      my $lond_port = &LONCAPA::Firewall::get_lond_port();
  if ($daemon eq 'lonc') { $killallname='loncnew'; }      my %iphost = &Apache::lonnet::get_iphost();
  &stop_daemon($daemon,$killallname);      if ($command eq 'stop') {
           print 'Stopping LON-CAPA'."\n";
           foreach my $daemon ('lonsql','lond','lonc','lonmemcached','lonmaxima','lonr') {
       my $killallname=$daemon;
       if ($daemon eq 'lonc') { $killallname='loncnew'; }
       &stop_daemon($daemon,$killallname);
           }
           my $firewall_result = 
               &LONCAPA::Firewall::firewall_close_port($iptables,\@fw_chains,$lond_port,[$lond_port]);
           if ($firewall_result) {
               print "$firewall_result\n";
           }
           &clean_sockets();
       } elsif ($command eq "start") {
           my $firewall_result = 
               &LONCAPA::Firewall::firewall_open_port($iptables,\@fw_chains,$lond_port,\%iphost,[$lond_port]);
           if (($firewall_result eq 'ok') || ($firewall_result eq 'inactive firewall')) {
               if ($firewall_result eq 'inactive firewall') {
                   print "WARNING: iptables firewall is currently inactive\n";
               }
               print 'Starting LON-CAPA'."\n";
               print 'Starting LON-CAPA client and daemon processes (please be patient)'.
             "\n";
               system("su www -c '/home/httpd/perl/loncron --justcheckdaemons'");
           } else {
               print "Not starting LON-CAPA\n";
               if ($firewall_result eq 'port number unknown') {
                   print "Could not check for status of LON-CAPA port in running firewall - port number unknown.  \n";
               } elsif ($firewall_result) {
                   print "$firewall_result\n";
               }
           }
       } elsif ($command eq "status") {
           my $response=`/bin/cat /home/httpd/perl/logs/*.pid 2>&1`;
           if ($response=~/No such file or directory/) {
       print 'LON-CAPA is not running.'."\n";
           } else {
       print 'LON-CAPA is running.'."\n";
       system("su www -c '/home/httpd/perl/loncron --justcheckconnections'");
           }
           if (! &LONCAPA::Firewall::firewall_is_active()) {
               print 'The iptables firewall is not active'."\n";
           }
           if ($lond_port) {
               my $londopen;
               foreach my $fw_chain (@fw_chains) { 
                   my $numopen = &LONCAPA::Firewall::firewall_is_port_open($iptables,$fw_chain,$lond_port,$lond_port,\%iphost);
                   $londopen += $numopen; 
               }
               if ($londopen) {
                   print "The LON-CAPA port ($lond_port) is open in firewall.\n";
               } elsif (&LONCAPA::Firewall::firewall_is_active) {
                   print "The LON-CAPA port ($lond_port) is NOT open in running firewall!\n";
               }
           } else {
               if (&LONCAPA::Firewall::firewall_is_active()) {
                   print "Could not check for status of LON-CAPA port in running firewall - port number unknown.\n";
               } else {
                   print "LON-CAPA port number is unknown, and firewall is not running.\n";
               }
           }
     }      }
     &firewall_close_port();  
     &clean_sockets();  
 } elsif ($command eq "start") {  
     &firewall_open_port();  
     print 'Starting LON-CAPA'."\n";  
     print 'Starting LON-CAPA client and daemon processes (please be patient)'.  
  "\n";   
     system("su www -c '/home/httpd/perl/loncron --justcheckdaemons'");  
 } elsif ($command eq "reload") {  } elsif ($command eq "reload") {
     print 'Reload LON-CAPA config files'."\n";      print 'Reload LON-CAPA config files'."\n";
     system("su www -c '/home/httpd/perl/loncron --justreload'");      system("su www -c '/home/httpd/perl/loncron --justreload'");
 } elsif ($command eq "status") {  
     $response=`/bin/cat /home/httpd/perl/logs/*.pid 2>&1`;  
     if ($response=~/No such file or directory/) {  
  print 'LON-CAPA is not running.'."\n";  
     } else {  
  print 'LON-CAPA is running.'."\n";  
  system("su www -c '/home/httpd/perl/loncron --justcheckconnections'");  
     }  
     if (! &firewall_is_active) {  
         print 'The iptables firewall is not active'."\n";  
     }  
     if (&firewall_is_port_open()) {  
         print 'The LON-CAPA port is open in firewall.'."\n";  
     } elsif (&firewall_is_active) {  
         print 'The LON-CAPA port is NOT open in running firewall!'."\n";  
     }  
 } else {  } else {
     print 'You need to specify one of restart|stop|start|status on the command line.'."\n";      print "You need to specify one of reload|restart|stop|start|status on the command line.\n";
 }  }
Removed from v.1.30  
changed lines
  Added in v.1.40

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