Annotation of loncom/init.d/loncontrol, revision 1.41
1.1 harris41 1: #!/usr/bin/perl
1.2 harris41 2: #
1.41 ! raeburn 3: # $Id: loncontrol,v 1.40 2010/04/17 16:54:24 raeburn Exp $
1.23 matthew 4: #
1.6 harris41 5: # The LearningOnline Network with CAPA
6: #
1.21 matthew 7: # Copyright Michigan State University Board of Trustees
8: #
9: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
10: #
11: # LON-CAPA is free software; you can redistribute it and/or modify
12: # it under the terms of the GNU General Public License as published by
13: # the Free Software Foundation; either version 2 of the License, or
14: # (at your option) any later version.
15: #
16: # LON-CAPA is distributed in the hope that it will be useful,
17: # but WITHOUT ANY WARRANTY; without even the implied warranty of
18: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19: # GNU General Public License for more details.
20: #
21: # You should have received a copy of the GNU General Public License
22: # along with LON-CAPA; if not, write to the Free Software
23: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
24: #
25: # /home/httpd/html/adm/gpl.txt
26: #
27: # http://www.lon-capa.org/
28: #
1.2 harris41 29: # Startup script for the LON-CAPA network processes
1.6 harris41 30: #
1.7 harris41 31:
1.3 harris41 32: # chkconfig: 345 95 5
1.21 matthew 33: # description: LON-CAPA is a "network of knowledge". It is used to \
1.6 harris41 34: # distribute knowledge resources and instructional management.
1.35 raeburn 35: # processnames: lonc, lond, lonsql, lonmaxima, lonr
1.2 harris41 36: # pidfiles: /home/httpd/perl/logs/lon*.pid
1.7 harris41 37: # config: /etc/httpd/conf/loncapa.conf
1.2 harris41 38: # config: /home/httpd/lonTabs/hosts.tab
39: # config: /home/httpd/lonTabs/spare.tab
1.31 albertel 40: # SuSE chkconfig/insserv info
41: ### BEGIN INIT INFO
42: # Provides: loncapa
1.40 raeburn 43: # Required-Start: SuSEfirewall2_setup mysql apache2 $network $remote_fs
44: # Should-Start: $ALL
1.31 albertel 45: # Required-Stop:
46: # Default-Start: 3 4 5
47: # Default-Stop:
48: # Description: Starts the LON-CAPA services
49: ### END INIT INFO
50:
1.34 raeburn 51: use strict;
52: use lib '/home/httpd/lib/perl/';
53: use LONCAPA::Configuration;
1.37 raeburn 54: use LONCAPA::Firewall;
1.36 raeburn 55: use Apache::lonnet;
1.2 harris41 56:
1.34 raeburn 57: my $command=$ARGV[0]; $command=~s/[^a-z]//g;
1.1 harris41 58:
59: $ENV{'PATH'}="/sbin:/bin:/usr/sbin:/usr/bin:/usr/X11R6/bin:/root/bin";
60: $ENV{'BASH_ENV'}="";
61:
1.11 albertel 62: sub stop_daemon {
1.19 albertel 63: my ($daemon,$killallname)=@_;
1.11 albertel 64: my $pidfile="/home/httpd/perl/logs/$daemon.pid";
65:
1.24 albertel 66: printf("%-15s ",$daemon);
1.11 albertel 67: if (-e $pidfile) {
68: open(PIDFILE,$pidfile);
69: my $daemonpid=<PIDFILE>;
70: chomp($daemonpid);
71: kill TERM => $daemonpid;
1.32 albertel 72: my $count=0;
73: while ($count++ < 5 && kill(0 => $daemonpid)) {
74: sleep 1;
75: }
1.11 albertel 76: if (kill 0 => $daemonpid) {
77: kill KILL => $daemonpid;
1.26 albertel 78: sleep 1;
1.11 albertel 79: if (kill 0 => $daemonpid) {
1.19 albertel 80: print("failed to kill");
1.11 albertel 81: } else {
1.19 albertel 82: print("killed");
1.11 albertel 83: }
84: } else {
1.19 albertel 85: print("stopped");
1.11 albertel 86: }
1.19 albertel 87: } else {
88: print("not running");
89: }
90: system("killall -q -0 $killallname");
91: if ($? == 0) {
92: system("killall -q $killallname");
93: print(", killed off extraneous processes");
1.11 albertel 94: }
1.24 albertel 95: unlink($pidfile);
1.19 albertel 96: print("\n");
1.11 albertel 97: }
98:
1.30 albertel 99: sub clean_sockets {
100: opendir(SOCKETS,"/home/httpd/sockets/");
1.34 raeburn 101: my $perlvarref=&LONCAPA::Configuration::read_conf();
102: return if (ref($perlvarref) ne 'HASH');
1.30 albertel 103: while (my $fname=readdir(SOCKETS)) {
104: next if (-d $fname
1.34 raeburn 105: || $fname=~/(mysqlsock|maximasock|\Q$perlvarref->{'lonSockDir'}\E)/);
1.30 albertel 106: unlink("/home/httpd/sockets/$fname");
107: }
108: }
1.20 matthew 109:
1.29 albertel 110: if ($command eq "restart") {
1.12 albertel 111: print 'Restarting LON-CAPA'."\n";
112: print 'Ending LON-CAPA client and daemon processes'."\n";
1.35 raeburn 113: foreach my $daemon ('lonsql','lond','lonc','lonmemcached','lonmaxima','lonr') {
1.19 albertel 114: my $killallname=$daemon;
115: if ($daemon eq 'lonc') { $killallname='loncnew'; }
116: &stop_daemon($daemon,$killallname);
1.12 albertel 117: }
118: print 'Starting LON-CAPA client and daemon processes (please be patient)'.
119: "\n";
1.18 albertel 120: system("su www -c '/home/httpd/perl/loncron --justcheckdaemons'");
1.37 raeburn 121: } elsif (($command eq "stop") || ($command eq 'start') || ($command eq 'status')) {
122: my $iptables = &LONCAPA::Firewall::get_pathto_iptables();
1.39 raeburn 123: my @fw_chains = &LONCAPA::Firewall::get_fw_chains($iptables);
1.37 raeburn 124: my $lond_port = &LONCAPA::Firewall::get_lond_port();
1.41 ! raeburn 125: my %iphost;
1.37 raeburn 126: if ($command eq 'stop') {
127: print 'Stopping LON-CAPA'."\n";
128: foreach my $daemon ('lonsql','lond','lonc','lonmemcached','lonmaxima','lonr') {
129: my $killallname=$daemon;
130: if ($daemon eq 'lonc') { $killallname='loncnew'; }
131: &stop_daemon($daemon,$killallname);
132: }
133: my $firewall_result =
1.41 ! raeburn 134: &LONCAPA::Firewall::firewall_close_port($iptables,\@fw_chains,$lond_port,\%iphost,[$lond_port]);
1.37 raeburn 135: if ($firewall_result) {
136: print "$firewall_result\n";
137: }
138: &clean_sockets();
139: } elsif ($command eq "start") {
1.41 ! raeburn 140: %iphost = &Apache::lonnet::get_iphost();
1.37 raeburn 141: my $firewall_result =
1.39 raeburn 142: &LONCAPA::Firewall::firewall_open_port($iptables,\@fw_chains,$lond_port,\%iphost,[$lond_port]);
1.37 raeburn 143: if (($firewall_result eq 'ok') || ($firewall_result eq 'inactive firewall')) {
144: if ($firewall_result eq 'inactive firewall') {
145: print "WARNING: iptables firewall is currently inactive\n";
146: }
147: print 'Starting LON-CAPA'."\n";
148: print 'Starting LON-CAPA client and daemon processes (please be patient)'.
149: "\n";
150: system("su www -c '/home/httpd/perl/loncron --justcheckdaemons'");
151: } else {
152: print "Not starting LON-CAPA\n";
153: if ($firewall_result eq 'port number unknown') {
154: print "Could not check for status of LON-CAPA port in running firewall - port number unknown. \n";
155: } elsif ($firewall_result) {
156: print "$firewall_result\n";
157: }
158: }
159: } elsif ($command eq "status") {
1.41 ! raeburn 160: %iphost = &Apache::lonnet::get_iphost();
1.37 raeburn 161: my $response=`/bin/cat /home/httpd/perl/logs/*.pid 2>&1`;
162: if ($response=~/No such file or directory/) {
163: print 'LON-CAPA is not running.'."\n";
164: } else {
165: print 'LON-CAPA is running.'."\n";
166: system("su www -c '/home/httpd/perl/loncron --justcheckconnections'");
167: }
168: if (! &LONCAPA::Firewall::firewall_is_active()) {
169: print 'The iptables firewall is not active'."\n";
1.34 raeburn 170: }
1.37 raeburn 171: if ($lond_port) {
1.39 raeburn 172: my $londopen;
173: foreach my $fw_chain (@fw_chains) {
174: my $numopen = &LONCAPA::Firewall::firewall_is_port_open($iptables,$fw_chain,$lond_port,$lond_port,\%iphost);
175: $londopen += $numopen;
176: }
177: if ($londopen) {
1.37 raeburn 178: print "The LON-CAPA port ($lond_port) is open in firewall.\n";
179: } elsif (&LONCAPA::Firewall::firewall_is_active) {
180: print "The LON-CAPA port ($lond_port) is NOT open in running firewall!\n";
181: }
182: } else {
183: if (&LONCAPA::Firewall::firewall_is_active()) {
184: print "Could not check for status of LON-CAPA port in running firewall - port number unknown.\n";
185: } else {
186: print "LON-CAPA port number is unknown, and firewall is not running.\n";
187: }
1.34 raeburn 188: }
189: }
1.25 albertel 190: } elsif ($command eq "reload") {
191: print 'Reload LON-CAPA config files'."\n";
192: system("su www -c '/home/httpd/perl/loncron --justreload'");
1.16 albertel 193: } else {
1.37 raeburn 194: print "You need to specify one of reload|restart|stop|start|status on the command line.\n";
1.1 harris41 195: }
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