version 1.21, 2004/12/02 20:49:50
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version 1.30, 2007/05/31 05:20:06
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#!/usr/bin/perl |
#!/usr/bin/perl |
# |
# |
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# $Id$ |
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# |
# The LearningOnline Network with CAPA |
# The LearningOnline Network with CAPA |
# |
# |
# Copyright Michigan State University Board of Trustees |
# Copyright Michigan State University Board of Trustees |
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# 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 |
# 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 |
Line 45 $ENV{'BASH_ENV'}="";
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Line 47 $ENV{'BASH_ENV'}="";
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# Firewall code is based on the code in FC2 /etc/init.d/ntpd |
# Firewall code is based on the code in FC2 /etc/init.d/ntpd |
my $fw_chain = 'RH-Firewall-1-INPUT'; |
my $fw_chain = 'RH-Firewall-1-INPUT'; |
my $iptables = '/sbin/iptables'; |
my $iptables = '/sbin/iptables'; |
my $port = 5663; |
if (! -e $iptables) { |
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$iptables = '/usr/sbin/iptables'; |
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if (! -e $iptables) { |
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print("Unable to find iptables command\n"); |
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} |
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} |
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my $lond_port = 5663; |
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my $lonhttpd_port = 8080; |
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sub firewall_open_port { |
sub firewall_open_port { |
return if (! &firewall_is_active); |
return if (! &firewall_is_active); |
print "Opening firewall access on port $port\n"; |
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if (! `$iptables -L -n 2>/dev/null | grep $fw_chain | wc -l`) { return; } |
if (! `$iptables -L -n 2>/dev/null | grep $fw_chain | wc -l`) { return; } |
# iptables is running with our chain |
# iptables is running with our chain |
# |
# |
# We could restrict the servers allowed to attempt to communicate |
# We could restrict the servers allowed to attempt to communicate |
# here, but the logistics of updating the /home/httpd/lonTabs/host.tab |
# here, but the logistics of updating the /home/httpd/lonTabs/host.tab |
# file are likely to be a problem |
# file are likely to be a problem |
my $firewall_command = |
foreach my $port ($lond_port,$lonhttpd_port) { |
"$iptables -I $fw_chain -p tcp -d 0/0 --dport $port -j ACCEPT"; |
print "Opening firewall access on port $port.\n"; |
system($firewall_command); |
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my $return_status = $?>>8; |
my $firewall_command = |
if ($return_status == 1) { |
"$iptables -I $fw_chain -p tcp -d 0/0 --dport $port -j ACCEPT"; |
# Error |
system($firewall_command); |
print "Error opening port.\n"; |
my $return_status = $?>>8; |
} elsif ($return_status == 2) { |
if ($return_status == 1) { |
# Bad command |
# Error |
print "Bad command error opening port. Command was\n". |
print "Error opening port.\n"; |
" ".$firewall_command."\n"; |
} elsif ($return_status == 2) { |
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# Bad command |
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print "Bad command error opening port. Command was\n". |
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" ".$firewall_command."\n"; |
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} |
} |
} |
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} |
} |
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sub firewall_is_port_open { |
sub firewall_is_port_open { |
Line 92 sub firewall_is_active {
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Line 105 sub firewall_is_active {
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sub firewall_close_port { |
sub firewall_close_port { |
return if (! &firewall_is_active); |
return if (! &firewall_is_active); |
print "Closing firewall access on port $port\n"; |
foreach my $port ($lond_port,$lonhttpd_port) { |
my $firewall_command = |
print "Closing firewall access on port $port.\n"; |
"$iptables -D $fw_chain -p tcp -d 0/0 --dport $port -j ACCEPT"; |
my $firewall_command = |
system($firewall_command); |
"$iptables -D $fw_chain -p tcp -d 0/0 --dport $port -j ACCEPT"; |
my $return_status = $?>>8; |
system($firewall_command); |
if ($return_status == 1) { |
my $return_status = $?>>8; |
# Error |
if ($return_status == 1) { |
print "Error closing port.\n"; |
# Error |
} elsif ($return_status == 2) { |
print "Error closing port.\n"; |
# Bad command |
} elsif ($return_status == 2) { |
print "Bad command error closing port. Command was\n". |
# Bad command |
" ".$firewall_command."\n"; |
print "Bad command error closing port. Command was\n". |
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" ".$firewall_command."\n"; |
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} |
} |
} |
} |
} |
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Line 113 sub stop_daemon {
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Line 128 sub stop_daemon {
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my ($daemon,$killallname)=@_; |
my ($daemon,$killallname)=@_; |
my $pidfile="/home/httpd/perl/logs/$daemon.pid"; |
my $pidfile="/home/httpd/perl/logs/$daemon.pid"; |
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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; |
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 {
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Line 154 sub stop_daemon {
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system("killall -q $killallname"); |
system("killall -q $killallname"); |
print(", killed off extraneous processes"); |
print(", killed off extraneous processes"); |
} |
} |
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unlink($pidfile); |
print("\n"); |
print("\n"); |
} |
} |
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sub clean_sockets { |
if (($command eq "restartold") or ($command eq "reloadold")) { |
opendir(SOCKETS,"/home/httpd/sockets/"); |
print 'Restarting LON-CAPA'."\n"; |
while (my $fname=readdir(SOCKETS)) { |
print 'Ending LON-CAPA client and daemon processes'."\n"; |
next if (-d $fname |
foreach my $daemon ('lonsql','lond','lonc','lonhttpd') { |
|| $fname=~/(mysqlsock|maximasock|\Q$perlvar{'lonSockDir'}\E)/); |
&stop_daemon($daemon,$daemon); |
unlink("/home/httpd/sockets/$fname"); |
} |
} |
print 'Starting LON-CAPA client and daemon processes (please be patient)'. |
} |
"\n"; |
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system("su www -c '/home/httpd/perl/loncron --oldlonc --justcheckdaemons'"); |
if ($command eq "restart") { |
} elsif (($command eq "restart") or ($command eq "reload")) { |
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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','lonhttpd','lonmemcached','lonmaxima') { |
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,$killallname); |
Line 165 if (($command eq "restartold") or ($comm
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Line 180 if (($command eq "restartold") or ($comm
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system("su www -c '/home/httpd/perl/loncron --justcheckdaemons'"); |
system("su www -c '/home/httpd/perl/loncron --justcheckdaemons'"); |
} elsif ($command eq "stop") { |
} elsif ($command eq "stop") { |
print 'Stopping LON-CAPA'."\n"; |
print 'Stopping LON-CAPA'."\n"; |
foreach my $daemon ('lonsql','lond','lonc','lonhttpd') { |
foreach my $daemon ('lonsql','lond','lonc','lonhttpd','lonmemcached','lonmaxima') { |
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,$killallname); |
} |
} |
&firewall_close_port(); |
&firewall_close_port(); |
} elsif ($command eq "startold") { |
&clean_sockets(); |
&firewall_open_port(); |
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print 'Starting LON-CAPA'."\n"; |
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print 'Starting LON-CAPA client and daemon processes (please be patient)'. |
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"\n"; |
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system("su www -c '/home/httpd/perl/loncron --oldlonc --justcheckdaemons'"); |
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} elsif ($command eq "start") { |
} elsif ($command eq "start") { |
&firewall_open_port(); |
&firewall_open_port(); |
print 'Starting LON-CAPA'."\n"; |
print 'Starting LON-CAPA'."\n"; |
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'"); |
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} elsif ($command eq "reload") { |
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print 'Reload LON-CAPA config files'."\n"; |
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system("su www -c '/home/httpd/perl/loncron --justreload'"); |
} elsif ($command eq "status") { |
} elsif ($command eq "status") { |
$response=`/bin/cat /home/httpd/perl/logs/*.pid 2>&1`; |
$response=`/bin/cat /home/httpd/perl/logs/*.pid 2>&1`; |
if ($response=~/No such file or directory/) { |
if ($response=~/No such file or directory/) { |