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mirror of https://github.com/xcat2/xcat-core.git synced 2025-05-21 19:22:05 +00:00
2024-05-07 16:19:25 +02:00

510 lines
15 KiB
Perl

#!/usr/bin/env perl
# IBM(c) 2015 EPL license http://www.eclipse.org/legal/epl-v10.html
package xCAT_plugin::makentp;
BEGIN
{
$::XCATROOT = $ENV{'XCATROOT'} ? $ENV{'XCATROOT'} : '/opt/xcat';
}
use lib "$::XCATROOT/lib/perl";
use Getopt::Long;
use xCAT::Usage;
use xCAT::NetworkUtils;
use xCAT::TableUtils;
use xCAT::Utils;
use XML::Simple;
no strict;
use Data::Dumper;
use Socket;
my %globalopt;
#-------------------------------------------------------------------------------
=head1 xCAT_plugin:makentp
=head2 Package Description
Handles ntp server setup on a xCAT management node.
=cut
#-------------------------------------------------------------------------------
#--------------------------------------------------------------------------------
=head3 send_msg
Invokes the callback with the specified message
Arguments:
request: request structure for plguin calls
ecode: error code. 0 for succeful.
msg: messages to be displayed.
Returns:
none
=cut
#--------------------------------------------------------------------------------
sub send_msg {
my $request = shift;
my $ecode = shift;
my $msg = shift;
my %output;
# Called from child process - send to parent
if (exists($request->{pipe})) {
my $out = $request->{pipe};
$output{errorcode} = $ecode;
$output{data} = \@_;
print $out freeze([ \%output ]);
print $out "\nENDOFFREEZE6sK4ci\n";
}
# Called from parent - invoke callback directly
elsif (exists($request->{callback})) {
my $callback = $request->{callback};
$output{errorcode} = $ecode;
$output{data}->[0] = $msg;
$callback->(\%output);
}
}
#--------------------------------------------------------------------------------
=head3 handled_commands
It returns a list of commands handled by this plugin.
Arguments:
none
Returns:
a list of commands.
=cut
#--------------------------------------------------------------------------------
sub handled_commands {
return ({ makentp => "makentp" });
}
#--------------------------------------------------------------------------------
=head3 parse_args
Parse the command line options and operands.
Arguments:
request: the request structure for plugin
Returns:
Usage string or error message.
0 if no user promp needed.
=cut
#--------------------------------------------------------------------------------
sub parse_args {
my $request = shift;
my $args = $request->{arg};
my $cmd = $request->{command};
my %opt;
# Responds with usage statement
local *usage = sub {
my $usage_string = xCAT::Usage->getUsage($cmd);
send_msg($request, 0, " $usage_string");
return ([ $_[0], $usage_string ]);
};
# No command-line arguments - use defaults
if (!defined($args)) {
return (0);
}
# Checks case in GetOptions, allows opts
# to be grouped (e.g. -vx), and terminates
# at the first unrecognized option.
@ARGV = @$args;
$Getopt::Long::ignorecase = 0;
Getopt::Long::Configure("bundling");
Getopt::Long::Configure("no_pass_through");
# Process command-line flags
if (!GetOptions(\%opt,
qw(h|help V|verbose v|version a|all))) {
return (usage());
}
# Option -V for verbose output
if (exists($opt{V})) {
$globalopt{verbose} = 1;
}
if (exists($opt{a})) {
$globalopt{a} = 1;
}
return;
}
#--------------------------------------------------------------------------------
=head3 preprocess_request
Parse the arguments and display the usage or the version string.
=cut
#--------------------------------------------------------------------------------
sub preprocess_request {
my $req = shift;
if ($req->{_xcatpreprocessed}->[0] == 1) { return [$req]; }
my $callback = shift;
my $command = $req->{command}->[0];
my $extrargs = $req->{arg};
my @exargs = ($req->{arg});
if (ref($extrargs)) {
@exargs = @$extrargs;
}
# Build hash to pass around
my %request;
$request{arg} = $extrargs;
$request{callback} = $callback;
$request{command} = $command;
my $usage_string = xCAT::Usage->parseCommand($command, @exargs);
if ($usage_string) {
$callback->({ data => [$usage_string] });
$req = {};
return;
}
my $result = parse_args(\%request);
if (ref($result) eq 'ARRAY') {
send_msg(\%request, 1, @$result);
return (1);
}
# add current request
my @result = ();
my $reqcopy = {%$req};
$reqcopy->{_xcatpreprocessed}->[0] = 1;
if (xCAT::Utils->isMN() && exists($globalopt{a})) {
$reqcopy->{_all}->[0] = 1;
}
if (exists($globalopt{verbose})) {
$reqcopy->{_verbose}->[0] = 1;
}
push @result, $reqcopy;
return \@result;
}
#--------------------------------------------------------------------------------
=head3 process_request
Pasrse the arguments and call the correspondent functions
to do switch discovery.
=cut
#--------------------------------------------------------------------------------
sub process_request {
my $req = shift;
my $callback = shift;
my $sub_req = shift;
# Build hash to pass around
my %request;
$request{arg} = $req->{arg};
$request{callback} = $callback;
$request{command} = $req->{command}->[0];
my $verbose;
if ($req->{_verbose}->[0] == 1) {
$verbose = 1;
}
my @nodeinfo = xCAT::NetworkUtils->determinehostname();
my $nodename = pop @nodeinfo;
if (xCAT::Utils->isMN()) {
send_msg(\%request, 0, "configuring management node: $nodename.");
} else {
send_msg(\%request, 0, "configuring service node: $nodename.");
}
# get site.extntpservers for mn, for sn use mn as the server
my $ntp_servers;
my $ntp_master;
my $ntp_attrib;
if (xCAT::Utils->isMN()) {
$ntp_attrib = "extntpservers";
} else {
$ntp_attrib = "ntpservers";
}
my @entries = xCAT::TableUtils->get_site_attribute($ntp_attrib);
my $ntp_servers = $entries[0];
if (!xCAT::Utils->isMN() && ((!$ntp_servers) ||
(($ntp_servers) && ($ntp_servers =~ /<xcatmaster>/)))) {
my $retdata = xCAT::ServiceNodeUtils->readSNInfo($nodename);
$ntp_servers = $retdata->{'master'};
}
# Handle chronyd here,
if (-x "/usr/sbin/chronyd" &&
(-x "/usr/bin/systemctl" || -x "/bin/systemctl")) {
send_msg(\%request, 0, "Will configure chronyd instead.");
my $cmd = "/install/postscripts/setupntp " .
join(' ', split(',', $ntp_servers));
send_msg(\%request, 0, "Calling ... " . $cmd);
my $result = xCAT::Utils->runcmd($cmd, 0);
if ($::RUNCMD_RC != 0) {
send_msg(\%request, 1, "Error from command: $cmd\n $result");
return 1;
}
send_msg(\%request, 0, "Daemon chronyd configured.");
# Cannot find a better way other than use goto statement :-/
goto HANDLE_MAKENTP_A;
}
#check if ntp is installed or not
if ($verbose) {
send_msg(\%request, 0, " ...checking if nptd is installed.");
}
if (!-f "/usr/sbin/ntpd") {
send_msg(\%request, 1, "Please make sure ntpd is installed on $nodename.");
return 1;
}
#configure the ntp configuration file
if ($verbose) {
send_msg(\%request, 0, " ...backing up the ntp configuration file /etc/ntp.conf.");
}
my $ntpcfg = "/etc/ntp.conf";
my $ntpcfgbackup = "/etc/ntp.conf.orig";
my $ntpxcatcfgbackup = "/etc/ntp.conf.xcatbackup";
if (-e $ntpcfg) {
if (!-e $ntpcfgbackup) {
# if original backup does not already exist
my $cmd = "mv $ntpcfg $ntpcfgbackup";
my $result = xCAT::Utils->runcmd($cmd, 0);
if ($::RUNCMD_RC != 0) {
send_msg(\%request, 1, "Error from command:$cmd\n $result");
return 1;
}
}
else {
# backup xcat cfg
my $cmd = "rm $ntpxcatcfgbackup;mv $ntpcfg $ntpxcatcfgbackup";
my $result = xCAT::Utils->runcmd($cmd, 0);
if ($::RUNCMD_RC != 0) {
send_msg(\%request, 1, "Error from command:$cmd\n $result.");
return 1;
}
}
}
if ($verbose) {
send_msg(\%request, 0, " ...changing the ntp configuration file /etc/ntp.conf.\n ntp servers are: $ntp_servers");
}
# create ntp server config file
open(CFGFILE, ">$ntpcfg")
or xCAT::MsgUtils->message('SE',
"Cannot open $ntpcfg for NTP update. \n");
if (defined($ntp_servers) && $ntp_servers) {
my @npt_server_array = split(',', $ntp_servers);
# add ntp servers one by one
foreach my $ntps (@npt_server_array) {
if (!$ntp_master) { $ntp_master = $ntps; }
print CFGFILE "server ";
print CFGFILE "$ntps\n";
}
}
my $os = xCAT::Utils->osver("all");
#for sles, /var/lib/ntp/drift is a dir
if (xCAT::Utils->isAIX()) {
print CFGFILE "driftfile /etc/ntp.drift\n";
print CFGFILE "tracefile /etc/ntp.trace\n";
print CFGFILE "disable auth\n";
print CFGFILE "broadcastclient\n";
} elsif ($os =~ /sles/) {
print CFGFILE "driftfile /var/lib/ntp/drift/ntp.drift\n";
print CFGFILE "disable auth\n";
} else {
print CFGFILE "driftfile /var/lib/ntp/drift\n";
print CFGFILE "disable auth\n";
}
#add xCAT mn/sn itself as a server
print CFGFILE "server 127.127.1.0\n";
print CFGFILE "fudge 127.127.1.0 stratum 10\n";
close CFGFILE;
my $ntp_service = "ntpserver";
#stop ntpd
if ($verbose) {
send_msg(\%request, 0, " ...stopping $ntp_service");
}
my $rc = xCAT::Utils->stopservice($ntp_service);
if ($rc != 0) {
send_msg(\%request, 1, "Failed to stop nptd on $nodename.");
return 1;
}
#update the time now
if ($ntp_master) {
my $cmd;
if ($os =~ /sles/) {
if (-f "/usr/sbin/rcntpd") {
$cmd = "/usr/sbin/rcntpd ntptimeset";
} elsif (-f "/usr/sbin/rcntp") {
$cmd = "/usr/sbin/rcntp ntptimeset";
} else {
$cmd = "sntp -P no -r $ntp_master";
}
} else {
$cmd = "ntpdate -t5 $ntp_master";
}
if ($verbose) {
send_msg(\%request, 0, " ...updating the time now. $cmd");
}
my $result = xCAT::Utils->runcmd($cmd, 0);
if ($verbose) {
send_msg(\%request, 0, " $result");
}
if ($::RUNCMD_RC != 0) {
send_msg(\%request, 1, "Error from command $cmd\n $result.");
send_msg(\%request, 1, "Please check $ntp_master, make sure time is synced (can be validated by 'ntpq -p'), then rerun makentp command again ");
return 1;
}
}
#setup the hardware clock
my $hwcmd = "/sbin/hwclock --systohc --utc";
if ($verbose) {
send_msg(\%request, 0, " ...updating the hwclock now. $hwcmd");
}
my $hwresult = xCAT::Utils->runcmd($hwcmd, 0);
if ($verbose) {
send_msg(\%request, 0, " $hwresult");
}
if ($::RUNCMD_RC != 0) {
send_msg(\%request, 1, "Error from command $hwcmd\n $hwresult.");
return 1;
}
my $grep_cmd;
my $rc;
#setup the RTC is UTC format, which will be used by os
if ($os =~ /sles/) {
$grep_cmd = "grep -i HWCLOCK /etc/sysconfig/clock";
$rc = xCAT::Utils->runcmd($grep_cmd, 0);
if ($::RUNCMD_RC == 0) {
`sed -i 's/.*HWCLOCK.*/HWCLOCK=\"-u\"/' /etc/sysconfig/clock`;
} else {
`echo HWCLOCK=\"-u\" >> /etc/sysconfig/clock`;
}
} elsif (-f "/etc/debian_version") {
`sed -i 's/.*UTC.*/UTC=\"yes\"/' /etc/default/rcS`;
} else {
if (-f "/etc/sysconfig/clock") {
$grep_cmd = "grep -i utc /etc/sysconfig/clock";
$rc = xCAT::Utils->runcmd($grep_cmd, 0);
if ($::RUNCMD_RC == 0) {
`sed -i 's/.*UTC.*/UTC=\"yes\"/' /etc/sysconfig/clock`;
} else {
`echo UTC=\"yes\" >> /etc/sysconfig/clock`;
}
} else {
`type -P timedatectl >/dev/null 2>&1`;
`timedatectl set-local-rtc 0`;
}
}
#update the hardware clock automaticly
if (-f "/etc/sysconfig/ntpd") {
$grep_cmd = "grep -i SYNC_HWCLOCK /etc/sysconfig/ntpd";
$rc = xCAT::Utils->runcmd($grep_cmd, 0);
if ($::RUNCMD_RC == 0) {
`sed -i 's/.*SYNC_HWCLOCK.*/SYNC_HWCLOCK=\"yes\"/' /etc/sysconfig/ntpd`;
} else {
`echo SYNC_HWCLOCK=\"yes\" >> /etc/sysconfig/ntpd`;
}
} elsif (-f "/etc/sysconfig/ntp") {
`sed -i 's/.*SYNC_HWCLOCK.*/NTPD_FORCE_SYNC_HWCLOCK_ON_STARTUP=\"yes\"/' /etc/sysconfig/ntp`;
`sed -i 's/^NTPD_FORCE_SYNC_ON.*/NTPD_FORCE_SYNC_ON_STARTUP=\"yes\"/' /etc/sysconfig/ntp`;
`sed -i 's/.*RUN_CHROOTED.*/NTPD_RUN_CHROOTED=\"yes\"/' /etc/sysconfig/ntp`;
} else {
my $cron_file = "/etc/cron.daily/xcatsethwclock";
if (!-f "$cron_file") {
`echo "#!/bin/sh" > $cron_file`;
`echo "/sbin/hwclock --systohc --utc" >> $cron_file`;
`chmod a+x $cron_file`;
#service cron restart
xCAT::Utils->startservice("cron");
}
}
#start ntpd
if ($verbose) {
send_msg(\%request, 0, " ...starting $ntp_service");
}
my $rc = xCAT::Utils->startservice($ntp_service);
if ($rc != 0) {
send_msg(\%request, 1, "Failed to start nptd on $nodename.");
return 1;
}
#enable ntpd for node reboot
if ($verbose) {
send_msg(\%request, 0, " ...enabling $ntp_service");
}
xCAT::Utils->enableservice($ntp_service);
HANDLE_MAKENTP_A:
#now handle sn that has ntpserver=1 set in servicenode table.
# this part is called by makentp -a.
if ($req->{_all}->[0] == 1) {
my @servicenodes = xCAT::ServiceNodeUtils->getSNList('ntpserver');
if (@servicenodes > 0) {
send_msg(\%request, 0, "configuring service nodes: @servicenodes");
my $ret =
xCAT::Utils->runxcmd(
{
command => ['updatenode'],
node => \@servicenodes,
arg => [ "-P", "setupntp" ],
},
$sub_req, -1, 1
);
my $retcode=$::RUNCMD_RC;
my $msg;
foreach my $line (@$ret) {
$msg .= "$line\n";
}
send_msg(\%request, $retcode, "$msg");
}
}
return;
}
1;