Annotation of loncom/init.d/loncontrol, revision 1.46
1.1 harris41 1: #!/usr/bin/perl
1.2 harris41 2: #
1.46 ! raeburn 3: # $Id: loncontrol,v 1.45 2018/08/07 17:12:17 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:
1.42 raeburn 46: # Default-Start: 3 5
1.31 albertel 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);
1.45 raeburn 96: if ($killallname eq 'loncnew') {
97: &clean_nossl_loncpids();
98: }
1.19 albertel 99: print("\n");
1.11 albertel 100: }
101:
1.30 albertel 102: sub clean_sockets {
103: opendir(SOCKETS,"/home/httpd/sockets/");
1.34 raeburn 104: my $perlvarref=&LONCAPA::Configuration::read_conf();
105: return if (ref($perlvarref) ne 'HASH');
1.30 albertel 106: while (my $fname=readdir(SOCKETS)) {
107: next if (-d $fname
1.34 raeburn 108: || $fname=~/(mysqlsock|maximasock|\Q$perlvarref->{'lonSockDir'}\E)/);
1.30 albertel 109: unlink("/home/httpd/sockets/$fname");
110: }
111: }
1.20 matthew 112:
1.45 raeburn 113: sub clean_nossl_loncpids {
114: my $childpiddir = '/home/httpd/perl/logs/loncpids';
115: my $nossldir = '/home/httpd/sockets/nosslverify';
116: foreach my $dir ($childpiddir,$nossldir) {
117: if (-d $dir) {
118: if (opendir(my $dh,$dir)) {
119: while (my $fname=readdir($dh)) {
120: next if ($fname =~ /^\./);
121: unlink("$dir/$fname");
122: }
123: closedir($dh);
124: }
125: }
126: }
127: }
128:
1.43 raeburn 129: if (($command eq "restart") || ($command eq 'stop') ||
130: ($command eq 'start') || ($command eq "status")) {
1.37 raeburn 131: my $iptables = &LONCAPA::Firewall::get_pathto_iptables();
1.39 raeburn 132: my @fw_chains = &LONCAPA::Firewall::get_fw_chains($iptables);
1.37 raeburn 133: my $lond_port = &LONCAPA::Firewall::get_lond_port();
1.46 ! raeburn 134: my $firewalld = &LONCAPA::Firewall::uses_firewalld();
1.41 raeburn 135: my %iphost;
1.43 raeburn 136: if ($command eq 'restart') {
137: print 'Restarting LON-CAPA'."\n";
138: print 'Ending LON-CAPA client and daemon processes'."\n";
139: foreach my $daemon ('lonsql','lond','lonc','lonmemcached','lonmaxima','lonr') {
140: my $killallname=$daemon;
141: if ($daemon eq 'lonc') { $killallname='loncnew'; }
142: &stop_daemon($daemon,$killallname);
143: }
1.44 raeburn 144: %iphost = &Apache::lonnet::get_iphost('',1);
1.43 raeburn 145: my $firewall_result =
146: &LONCAPA::Firewall::firewall_close_port($iptables,\@fw_chains,
1.46 ! raeburn 147: $lond_port,\%iphost,[$lond_port],
! 148: $firewalld);
1.43 raeburn 149: if ($firewall_result) {
150: print "$firewall_result\n";
151: }
152: $firewall_result =
153: &LONCAPA::Firewall::firewall_open_port($iptables,\@fw_chains,
1.46 ! raeburn 154: $lond_port,\%iphost,[$lond_port],
! 155: $firewalld);
1.43 raeburn 156: if (($firewall_result eq 'ok') || ($firewall_result eq 'inactive firewall')) {
157: if ($firewall_result eq 'inactive firewall') {
158: print "WARNING: iptables firewall is currently inactive\n";
159: }
160: } elsif ($firewall_result) {
161: print "$firewall_result\n";
162: }
163: print 'Starting LON-CAPA client and daemon processes (please be patient)'.
164: "\n";
165: system("su www -c '/home/httpd/perl/loncron --justcheckdaemons'");
166: } elsif ($command eq 'stop') {
1.37 raeburn 167: print 'Stopping LON-CAPA'."\n";
168: foreach my $daemon ('lonsql','lond','lonc','lonmemcached','lonmaxima','lonr') {
169: my $killallname=$daemon;
170: if ($daemon eq 'lonc') { $killallname='loncnew'; }
171: &stop_daemon($daemon,$killallname);
172: }
173: my $firewall_result =
1.46 ! raeburn 174: &LONCAPA::Firewall::firewall_close_port($iptables,\@fw_chains,
! 175: $lond_port,\%iphost,[$lond_port],
! 176: $firewalld);
1.37 raeburn 177: if ($firewall_result) {
178: print "$firewall_result\n";
179: }
180: &clean_sockets();
181: } elsif ($command eq "start") {
1.44 raeburn 182: %iphost = &Apache::lonnet::get_iphost('',1);
1.37 raeburn 183: my $firewall_result =
1.46 ! raeburn 184: &LONCAPA::Firewall::firewall_open_port($iptables,\@fw_chains,
! 185: $lond_port,\%iphost,[$lond_port],
! 186: $firewalld);
1.37 raeburn 187: if (($firewall_result eq 'ok') || ($firewall_result eq 'inactive firewall')) {
188: if ($firewall_result eq 'inactive firewall') {
189: print "WARNING: iptables firewall is currently inactive\n";
190: }
191: print 'Starting LON-CAPA'."\n";
192: print 'Starting LON-CAPA client and daemon processes (please be patient)'.
193: "\n";
194: system("su www -c '/home/httpd/perl/loncron --justcheckdaemons'");
195: } else {
196: print "Not starting LON-CAPA\n";
197: if ($firewall_result eq 'port number unknown') {
198: print "Could not check for status of LON-CAPA port in running firewall - port number unknown. \n";
199: } elsif ($firewall_result) {
200: print "$firewall_result\n";
201: }
202: }
203: } elsif ($command eq "status") {
1.41 raeburn 204: %iphost = &Apache::lonnet::get_iphost();
1.37 raeburn 205: my $response=`/bin/cat /home/httpd/perl/logs/*.pid 2>&1`;
206: if ($response=~/No such file or directory/) {
207: print 'LON-CAPA is not running.'."\n";
208: } else {
209: print 'LON-CAPA is running.'."\n";
210: system("su www -c '/home/httpd/perl/loncron --justcheckconnections'");
211: }
212: if (! &LONCAPA::Firewall::firewall_is_active()) {
213: print 'The iptables firewall is not active'."\n";
1.34 raeburn 214: }
1.37 raeburn 215: if ($lond_port) {
1.39 raeburn 216: my $londopen;
217: foreach my $fw_chain (@fw_chains) {
1.46 ! raeburn 218: my $numopen = &LONCAPA::Firewall::firewall_is_port_open($iptables,$fw_chain,$lond_port,$lond_port,\%iphost,$firewalld);
1.39 raeburn 219: $londopen += $numopen;
220: }
221: if ($londopen) {
1.37 raeburn 222: print "The LON-CAPA port ($lond_port) is open in firewall.\n";
1.46 ! raeburn 223: } elsif (&LONCAPA::Firewall::firewall_is_active()) {
1.37 raeburn 224: print "The LON-CAPA port ($lond_port) is NOT open in running firewall!\n";
225: }
226: } else {
227: if (&LONCAPA::Firewall::firewall_is_active()) {
228: print "Could not check for status of LON-CAPA port in running firewall - port number unknown.\n";
229: } else {
230: print "LON-CAPA port number is unknown, and firewall is not running.\n";
231: }
1.34 raeburn 232: }
233: }
1.25 albertel 234: } elsif ($command eq "reload") {
235: print 'Reload LON-CAPA config files'."\n";
236: system("su www -c '/home/httpd/perl/loncron --justreload'");
1.16 albertel 237: } else {
1.37 raeburn 238: print "You need to specify one of reload|restart|stop|start|status on the command line.\n";
1.1 harris41 239: }
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