--- loncom/init.d/loncontrol 2004/05/11 21:22:04 1.18 +++ loncom/init.d/loncontrol 2009/07/06 00:07:15 1.38 @@ -1,94 +1,187 @@ #!/usr/bin/perl # +# $Id: loncontrol,v 1.38 2009/07/06 00:07:15 raeburn Exp $ +# # The LearningOnline Network with CAPA # +# Copyright Michigan State University Board of Trustees +# +# This file is part of the LearningOnline Network with CAPA (LON-CAPA). +# +# LON-CAPA is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# LON-CAPA is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with LON-CAPA; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +# +# /home/httpd/html/adm/gpl.txt +# +# http://www.lon-capa.org/ +# # Startup script for the LON-CAPA network processes # -# YEAR=2000 -# YEAR=2001 -# YEAR=2002 # 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. -# processnames: lonc, lond, lonsql +# processnames: lonc, lond, lonsql, lonmaxima, lonr # pidfiles: /home/httpd/perl/logs/lon*.pid # config: /etc/httpd/conf/loncapa.conf # config: /home/httpd/lonTabs/hosts.tab # config: /home/httpd/lonTabs/spare.tab +# SuSE chkconfig/insserv info +### BEGIN INIT INFO +# Provides: loncapa +# Required-Start: mysql apache2 $network $remote_fs +# Required-Stop: +# Default-Start: 3 4 5 +# Default-Stop: +# Description: Starts the LON-CAPA services +### END INIT INFO + +use strict; +use lib '/home/httpd/lib/perl/'; +use LONCAPA::Configuration; +use LONCAPA::Firewall; +use Apache::lonnet; -$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"; $ENV{'BASH_ENV'}=""; sub stop_daemon { - my ($daemon)=@_; + my ($daemon,$killallname)=@_; my $pidfile="/home/httpd/perl/logs/$daemon.pid"; - printf("%-10s ",$daemon); + printf("%-15s ",$daemon); if (-e $pidfile) { open(PIDFILE,$pidfile); my $daemonpid=; chomp($daemonpid); kill TERM => $daemonpid; - sleep 2; + my $count=0; + while ($count++ < 5 && kill(0 => $daemonpid)) { + sleep 1; + } if (kill 0 => $daemonpid) { kill KILL => $daemonpid; - sleep 2; + sleep 1; if (kill 0 => $daemonpid) { - print("failed to kill\n"); return; + print("failed to kill"); } else { - print("killed\n"); return; + print("killed"); } } else { - print("stopped\n"); return; + print("stopped"); } + } else { + print("not running"); + } + system("killall -q -0 $killallname"); + if ($? == 0) { + system("killall -q $killallname"); + print(", killed off extraneous processes"); } - print("not running\n"); + unlink($pidfile); + print("\n"); } -if (($command eq "restartold") or ($command eq "reloadold")) { - print 'Restarting LON-CAPA'."\n"; - print 'Ending LON-CAPA client and daemon processes'."\n"; - foreach my $daemon ('lonsql','lond','lonc','lonhttpd') { - &stop_daemon($daemon); +sub clean_sockets { + opendir(SOCKETS,"/home/httpd/sockets/"); + my $perlvarref=&LONCAPA::Configuration::read_conf(); + return if (ref($perlvarref) ne 'HASH'); + while (my $fname=readdir(SOCKETS)) { + next if (-d $fname + || $fname=~/(mysqlsock|maximasock|\Q$perlvarref->{'lonSockDir'}\E)/); + unlink("/home/httpd/sockets/$fname"); } - print 'Starting LON-CAPA client and daemon processes (please be patient)'. - "\n"; - system("su www -c '/home/httpd/perl/loncron --oldlonc --justcheckdaemons'"); -} elsif (($command eq "restart") or ($command eq "reload")) { +} + +if ($command eq "restart") { print 'Restarting LON-CAPA'."\n"; print 'Ending LON-CAPA client and daemon processes'."\n"; - foreach my $daemon ('lonsql','lond','lonc','lonhttpd') { - &stop_daemon($daemon); + foreach my $daemon ('lonsql','lond','lonc','lonmemcached','lonmaxima','lonr') { + my $killallname=$daemon; + if ($daemon eq 'lonc') { $killallname='loncnew'; } + &stop_daemon($daemon,$killallname); } print 'Starting LON-CAPA client and daemon processes (please be patient)'. "\n"; system("su www -c '/home/httpd/perl/loncron --justcheckdaemons'"); -} elsif ($command eq "stop") { - print 'Stopping LON-CAPA'."\n"; - foreach my $daemon ('lonsql','lond','lonc','lonhttpd') { - &stop_daemon($daemon); - } -} elsif ($command eq "startold") { - print 'Starting LON-CAPA'."\n"; - print 'Starting LON-CAPA client and daemon processes (please be patient)'. - "\n"; - system("su www -c '/home/httpd/perl/loncron --oldlonc --justcheckdaemons'"); -} elsif ($command eq "start") { - 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 "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'"); +} elsif (($command eq "stop") || ($command eq 'start') || ($command eq 'status')) { + my $iptables = &LONCAPA::Firewall::get_pathto_iptables(); + my $fw_chain = &LONCAPA::Firewall::get_fw_chain($iptables); + my $lond_port = &LONCAPA::Firewall::get_lond_port(); + my %iphost = &Apache::lonnet::get_iphost(); + if ($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,$fw_chain,$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,$fw_chain,$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 ($lond_port) { + if (&LONCAPA::Firewall::firewall_is_port_open($iptables,$fw_chain,$lond_port,$lond_port,\%iphost)) { + print "The LON-CAPA port ($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 { - 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"; }