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Stop tftp service when xcatd shutdown completes

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close-issue: #2436
This commit is contained in:
chenglch 2017-01-26 14:09:24 +08:00
parent 050feda877
commit 04decbb47e
2 changed files with 100 additions and 45 deletions
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128
xCAT-server/lib/xcat/plugins/AAsn.pm
View File

@ -125,7 +125,8 @@ sub init_plugin
if (xCAT::Utils->isServiceNode()) { # service node
&setup_TFTP($nodename, $doreq); # setup TFTP
} else { # management node
&enable_TFTPhpa();
&stop_TFTP();
&enable_TFTP();
}
}
@ -1204,10 +1205,13 @@ sub setup_TFTP
}
}
$rc = stop_TFTP();
if($rc !=0) {
xCAT::MsgUtils->message("S", "Failed to stop tftp service.");
}
# enable the tftp-hpa
$rc = enable_TFTPhpa();
$rc = enable_TFTP();
if ($rc == 0)
{
@ -1262,29 +1266,95 @@ sub setup_HTTP
#-----------------------------------------------------------------------------
#
#=head3 enable_TFTPhpa
#=head3 stop_TFTP
#
# Configure and enable the tftp-hpa in the xinetd.
# Stop tftp process for multiple platforms
#
# return:
# 1 on faled
# 0 on success
#
#=cut
#
#-----------------------------------------------------------------------------
sub enable_TFTPhpa
sub stop_TFTP
{
my $distro;
# Check whether the tftp-hpa has been installed, the ubuntu tftpd-hpa configure file is under /etc/default
unless (-x "/usr/sbin/in.tftpd" and (-e "/etc/xinetd.d/tftp" or -e "/etc/default/tftpd-hpa")) {
xCAT::MsgUtils->message("S", "ERROR: The tftpd was not installed, enable the tftp failed.");
return 1;
}
# kill the process of atftp if it's there
my @output = xCAT::Utils->runcmd("ps -ef | grep atftpd | grep -v grep", -1);
foreach my $ps (@output) {
$ps =~ s/^\s+//; # strip any leading spaces
my ($uid, $pid, $ppid, $desc) = split /\s+/, $ps;
system("kill -9 $pid >/dev/null 2>&1");
my $cmd = "kill -9 $pid >/dev/null 2>&1";
system($cmd);
if ($? != 0) {
xCAT::MsgUtils->message("S", "ERROR: Can not execute command $cmd.");
return 1;
}
}
if (-x "/usr/sbin/in.tftpd") {
system("killall in.tftpd"); #xinetd can leave behind blocking tftp servers even if it won't start new ones
if ($distro =~ /ubuntu.*/i || $distro =~ /debian.*/i) {
sleep 1;
my @checkproc = `ps axf|grep -v grep|grep in.tftpd`;
if (@checkproc) {
if (xCAT::Utils->stopservice("tftpd-hpa") != 0) {
xCAT::MsgUtils->message("S", "ERROR: Can not stop tftpd-hpa service.");
return 1;
}
}
}
my @tftpprocpids = `ps axf | grep -v 'awk /in.tftpd/' | awk '/in.tftpd/ {print \$1}'`;
if (@tftpprocpids) {
my %pids_map;
my $count = 0;
map { chomp; $pids_map{$_} = 1 } @tftpprocpids;
while (keys %pids_map) {
foreach my $pid (keys %pids_map) {
if (xCAT::Utils::is_process_exists($pid)) {
$count++;
if ($count == 5) {
my $tftpinfo = `ps axf|grep -v grep|grep in.tftpd`;
xCAT::MsgUtils->message("S", "ERROR: Can not stop tftp process $pid [$tftpinfo] in 5 seconds, stop it again.");
my $cmd = "killall -s KILL in.tftpd";
system($cmd);
if($? != 0) {
xCAT::MsgUtils->message("S", "ERROR: Can not execute command $cmd.");
return 1;
}
}
if ($count > 10) {
xCAT::MsgUtils->message("S", "ERROR: Can not stop tftp process in 10 seconds.");
return 1;
}
sleep 1;
} else {
delete $pids_map{$pid}
}
}
}
}
}
return 0;
}
#-----------------------------------------------------------------------------
#
#=head3 enable_TFTP
#
# Configure and enable the tftp service.
#
#=cut
#
#-----------------------------------------------------------------------------
sub enable_TFTP
{
# read tftpdir directory from database
my $tftpdir = xCAT::TableUtils->getTftpDir();
if (!(-e $tftpdir)) {
@ -1381,7 +1451,6 @@ sub enable_TFTPhpa
"Error on restart xinetd\n");
}
#if (grep(/running/, @output))
#{
# print ' '; # indent service output to separate it from the xcatd service output
@ -1429,43 +1498,12 @@ sub enable_TFTPhpa
$startcmd = "/usr/sbin/in.tftpd $v4only $tftpflags";
}
if (-x "/usr/sbin/in.tftpd") {
system("killall in.tftpd"); #xinetd can leave behind blocking tftp servers even if it won't start new ones
if ($distro =~ /ubuntu.*/i || $distro =~ /debian.*/i) {
sleep 1;
my @checkproc = `ps axf|grep -v grep|grep in.tftpd`;
if (@checkproc) {
xCAT::Utils->stopservice("tftpd-hpa");
}
}
my @tftpprocpids = `ps axf | grep -v 'awk /in.tftpd/' | awk '/in.tftpd/ {print \$1}'`;
if (@tftpprocpids) {
my %pids_map;
my $count = 0;
map { chomp; $pids_map{$_} = 1 } @tftpprocpids;
while (keys %pids_map) {
foreach my $pid (keys %pids_map) {
if (xCAT::Utils::is_process_exists($pid)) {
$count++;
if ($count == 5) {
my $tftpinfo = `ps axf|grep -v grep|grep in.tftpd`;
xCAT::MsgUtils->message("S", "ERROR: Can not stop tftp process $pid [$tftpinfo] in 5 seconds, stop it again.");
system("killall -s KILL in.tftpd");
}
if ($count > 10) {
xCAT::MsgUtils->message("S", "ERROR: Can not stop tftp process in 10 seconds.");
return 1;
}
sleep 1;
} else {
delete $pids_map{$pid}
}
}
}
}
if ( -x "/usr/sbin/in.tftpd") {
system("$startcmd");
if($? != 0) {
xCAT::MsgUtils->message("S", "ERROR: Can not execute command $startcmd.");
return 1;
}
}
return 0;
}

17
xCAT-server/sbin/xcatd
View File

@ -1549,6 +1549,23 @@ if ($dbmaster) {
# stop the monitoring process
xCAT_monitoring::monitorctrl::stop($$);
stop_tftp_service();
sub stop_tftp_service {
eval {
require xCAT_plugin::AAsn;
};
if ($@) {
xCAT::MsgUtils->message("S", "Failed to load AAsn module");
return;
}
no strict 'refs';
if (!defined(${ "xCAT_plugin::AAsn::" }{stop_TFTP})) {
return;
}
xCAT_plugin::AAsn::stop_TFTP();
use strict 'refs';
}
my $parent_fd;
my %resps;