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Diff for /loncom/init.d/loncontrol between versions 1.21 and 1.41

version 1.21, 2004/12/02 20:49:50 version 1.41, 2010/12/30 18:40:38
Line 1 Line 1
 #!/usr/bin/perl  #!/usr/bin/perl
 #  #
   # $Id$
   #
 # The LearningOnline Network with CAPA  # The LearningOnline Network with CAPA
 #  #
 # Copyright Michigan State University Board of Trustees  # Copyright Michigan State University Board of Trustees
Line 30 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  # 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';  
     my $port = 5663;  
   
 sub firewall_open_port {  
     return if (! &firewall_is_active);  
     print "Opening firewall access on port $port\n";  
     if (! `$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  
     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);  
     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";
           
     printf("%-10s ",$daemon);      printf("%-15s ",$daemon);
     if (-e $pidfile) {      if (-e $pidfile) {
  open(PIDFILE,$pidfile);   open(PIDFILE,$pidfile);
  my $daemonpid=<PIDFILE>;   my $daemonpid=<PIDFILE>;
  chomp($daemonpid);   chomp($daemonpid);
  kill TERM => $daemonpid;   kill TERM => $daemonpid;
  sleep 2;   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 2;      sleep 1;
     if (kill 0 => $daemonpid) {      if (kill 0 => $daemonpid) {
  print("failed to kill");   print("failed to kill");
     } else {      } else {
Line 139  sub stop_daemon { Line 92  sub stop_daemon {
  system("killall -q $killallname");   system("killall -q $killallname");
  print(", killed off extraneous processes");   print(", killed off extraneous processes");
     }      }
       unlink($pidfile);
     print("\n");      print("\n");
 }  }
   
   sub clean_sockets {
 if (($command eq "restartold") or ($command eq "reloadold")) {      opendir(SOCKETS,"/home/httpd/sockets/");
     print 'Restarting LON-CAPA'."\n";      my $perlvarref=&LONCAPA::Configuration::read_conf();
     print 'Ending LON-CAPA client and daemon processes'."\n";      return if (ref($perlvarref) ne 'HASH');
     foreach my $daemon ('lonsql','lond','lonc','lonhttpd') {      while (my $fname=readdir(SOCKETS)) {
  &stop_daemon($daemon,$daemon);   next if (-d $fname
    || $fname=~/(mysqlsock|maximasock|\Q$perlvarref->{'lonSockDir'}\E)/);
    unlink("/home/httpd/sockets/$fname");
     }      }
     print 'Starting LON-CAPA client and daemon processes (please be patient)'.  }
  "\n";  
     system("su www -c '/home/httpd/perl/loncron --oldlonc --justcheckdaemons'");  if ($command eq "restart") {
 } elsif (($command eq "restart") or ($command eq "reload")) {  
     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') {      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,$killallname);
Line 163  if (($command eq "restartold") or ($comm Line 118  if (($command eq "restartold") or ($comm
     print 'Starting LON-CAPA client and daemon processes (please be patient)'.      print 'Starting LON-CAPA client and daemon processes (please be patient)'.
  "\n";   "\n";
     system("su www -c '/home/httpd/perl/loncron --justcheckdaemons'");      system("su www -c '/home/httpd/perl/loncron --justcheckdaemons'");
 } elsif ($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 $daemon ('lonsql','lond','lonc','lonhttpd') {      my @fw_chains = &LONCAPA::Firewall::get_fw_chains($iptables);
  my $killallname=$daemon;      my $lond_port = &LONCAPA::Firewall::get_lond_port();
  if ($daemon eq 'lonc') { $killallname='loncnew'; }      my %iphost;
  &stop_daemon($daemon,$killallname);      if ($command eq 'stop') {
     }          print 'Stopping LON-CAPA'."\n";
     &firewall_close_port();          foreach my $daemon ('lonsql','lond','lonc','lonmemcached','lonmaxima','lonr') {
 } elsif ($command eq "startold") {      my $killallname=$daemon;
     &firewall_open_port();      if ($daemon eq 'lonc') { $killallname='loncnew'; }
     print 'Starting LON-CAPA'."\n";      &stop_daemon($daemon,$killallname);
     print 'Starting LON-CAPA client and daemon processes (please be patient)'.          }
  "\n";           my $firewall_result = 
     system("su www -c '/home/httpd/perl/loncron --oldlonc --justcheckdaemons'");              &LONCAPA::Firewall::firewall_close_port($iptables,\@fw_chains,$lond_port,\%iphost,[$lond_port]);
 } elsif ($command eq "start") {          if ($firewall_result) {
     &firewall_open_port();              print "$firewall_result\n";
     print 'Starting LON-CAPA'."\n";          }
     print 'Starting LON-CAPA client and daemon processes (please be patient)'.          &clean_sockets();
  "\n";       } elsif ($command eq "start") {
     system("su www -c '/home/httpd/perl/loncron --justcheckdaemons'");          %iphost = &Apache::lonnet::get_iphost();
 } elsif ($command eq "status") {          my $firewall_result = 
     $response=`/bin/cat /home/httpd/perl/logs/*.pid 2>&1`;              &LONCAPA::Firewall::firewall_open_port($iptables,\@fw_chains,$lond_port,\%iphost,[$lond_port]);
     if ($response=~/No such file or directory/) {          if (($firewall_result eq 'ok') || ($firewall_result eq 'inactive firewall')) {
  print 'LON-CAPA is not running.'."\n";              if ($firewall_result eq 'inactive firewall') {
     } else {                  print "WARNING: iptables firewall is currently inactive\n";
  print 'LON-CAPA is running.'."\n";              }
  system("su www -c '/home/httpd/perl/loncron --justcheckconnections'");              print 'Starting LON-CAPA'."\n";
     }              print 'Starting LON-CAPA client and daemon processes (please be patient)'.
     if (! &firewall_is_active) {            "\n";
         print 'The iptables firewall is not active'."\n";              system("su www -c '/home/httpd/perl/loncron --justcheckdaemons'");
     }          } else {
     if (&firewall_is_port_open()) {              print "Not starting LON-CAPA\n";
         print 'The LON-CAPA port is open in firewall.'."\n";              if ($firewall_result eq 'port number unknown') {
     } elsif (&firewall_is_active) {                  print "Could not check for status of LON-CAPA port in running firewall - port number unknown.  \n";
         print 'The LON-CAPA port is NOT open in running firewall!'."\n";              } elsif ($firewall_result) {
     }                  print "$firewall_result\n";
               }
           }
       } elsif ($command eq "status") {
           %iphost = &Apache::lonnet::get_iphost();
           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";
               }
           }
       }
   } elsif ($command eq "reload") {
       print 'Reload LON-CAPA config files'."\n";
       system("su www -c '/home/httpd/perl/loncron --justreload'");
 } 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.1.21  
changed lines
  Added in v.1.41

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