mirror of
https://github.com/xcat2/xcat-core.git
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489 lines
14 KiB
Perl
Executable File
489 lines
14 KiB
Perl
Executable File
#!/usr/bin/env perl
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# IBM(c) 2015 EPL license http://www.eclipse.org/legal/epl-v10.html
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package xCAT_plugin::makentp;
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BEGIN
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{
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$::XCATROOT = $ENV{'XCATROOT'} ? $ENV{'XCATROOT'} : '/opt/xcat';
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}
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use lib "$::XCATROOT/lib/perl";
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use Getopt::Long;
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use xCAT::Usage;
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use xCAT::NetworkUtils;
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use xCAT::TableUtils;
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use xCAT::Utils;
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use XML::Simple;
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no strict;
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use Data::Dumper;
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use Socket;
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my %globalopt;
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#-------------------------------------------------------------------------------
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=head1 xCAT_plugin:makentp
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=head2 Package Description
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Handles ntp server setup on a xCAT management node.
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=cut
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#-------------------------------------------------------------------------------
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#--------------------------------------------------------------------------------
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=head3 send_msg
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Invokes the callback with the specified message
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Arguments:
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request: request structure for plguin calls
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ecode: error code. 0 for succeful.
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msg: messages to be displayed.
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Returns:
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none
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=cut
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#--------------------------------------------------------------------------------
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sub send_msg {
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my $request = shift;
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my $ecode = shift;
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my $msg = shift;
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my %output;
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# Called from child process - send to parent
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if (exists($request->{pipe})) {
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my $out = $request->{pipe};
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$output{errorcode} = $ecode;
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$output{data} = \@_;
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print $out freeze([ \%output ]);
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print $out "\nENDOFFREEZE6sK4ci\n";
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}
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# Called from parent - invoke callback directly
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elsif (exists($request->{callback})) {
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my $callback = $request->{callback};
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$output{errorcode} = $ecode;
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$output{data}->[0] = $msg;
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$callback->(\%output);
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}
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}
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#--------------------------------------------------------------------------------
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=head3 handled_commands
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It returns a list of commands handled by this plugin.
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Arguments:
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none
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Returns:
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a list of commands.
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=cut
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#--------------------------------------------------------------------------------
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sub handled_commands {
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return ({ makentp => "makentp" });
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}
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#--------------------------------------------------------------------------------
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=head3 parse_args
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Parse the command line options and operands.
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Arguments:
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request: the request structure for plugin
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Returns:
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Usage string or error message.
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0 if no user promp needed.
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=cut
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#--------------------------------------------------------------------------------
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sub parse_args {
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my $request = shift;
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my $args = $request->{arg};
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my $cmd = $request->{command};
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my %opt;
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# Responds with usage statement
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local *usage = sub {
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my $usage_string = xCAT::Usage->getUsage($cmd);
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send_msg($request, 0, " $usage_string");
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return ([ $_[0], $usage_string ]);
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};
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# No command-line arguments - use defaults
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if (!defined($args)) {
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return (0);
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}
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# Checks case in GetOptions, allows opts
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# to be grouped (e.g. -vx), and terminates
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# at the first unrecognized option.
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@ARGV = @$args;
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$Getopt::Long::ignorecase = 0;
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Getopt::Long::Configure("bundling");
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Getopt::Long::Configure("no_pass_through");
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# Process command-line flags
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if (!GetOptions(\%opt,
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qw(h|help V|Verbose v|version a|all))) {
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return (usage());
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}
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# Option -V for verbose output
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if (exists($opt{V})) {
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$globalopt{verbose} = 1;
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}
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if (exists($opt{a})) {
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$globalopt{a} = 1;
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}
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return;
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}
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#--------------------------------------------------------------------------------
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=head3 preprocess_request
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Parse the arguments and display the usage or the version string.
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=cut
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#--------------------------------------------------------------------------------
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sub preprocess_request {
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my $req = shift;
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if ($req->{_xcatpreprocessed}->[0] == 1) { return [$req]; }
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my $callback = shift;
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my $command = $req->{command}->[0];
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my $extrargs = $req->{arg};
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my @exargs = ($req->{arg});
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if (ref($extrargs)) {
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@exargs = @$extrargs;
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}
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# Build hash to pass around
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my %request;
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$request{arg} = $extrargs;
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$request{callback} = $callback;
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$request{command} = $command;
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my $usage_string = xCAT::Usage->parseCommand($command, @exargs);
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if ($usage_string) {
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$callback->({ data => [$usage_string] });
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$req = {};
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return;
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}
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my $result = parse_args(\%request);
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if (ref($result) eq 'ARRAY') {
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send_msg(\%request, 1, @$result);
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return (1);
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}
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# add current request
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my @result = ();
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my $reqcopy = {%$req};
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$reqcopy->{_xcatpreprocessed}->[0] = 1;
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if (xCAT::Utils->isMN() && exists($globalopt{a})) {
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$reqcopy->{_all}->[0] = 1;
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}
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if (exists($globalopt{verbose})) {
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$reqcopy->{_verbose}->[0] = 1;
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}
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push @result, $reqcopy;
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return \@result;
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}
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#--------------------------------------------------------------------------------
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=head3 process_request
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Pasrse the arguments and call the correspondent functions
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to do switch discovery.
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=cut
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#--------------------------------------------------------------------------------
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sub process_request {
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my $req = shift;
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my $callback = shift;
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my $sub_req = shift;
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# Build hash to pass around
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my %request;
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$request{arg} = $req->{arg};
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$request{callback} = $callback;
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$request{command} = $req->{command}->[0];
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my $verbose;
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if ($req->{_verbose}->[0] == 1) {
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$verbose = 1;
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}
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my @nodeinfo = xCAT::NetworkUtils->determinehostname();
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my $nodename = pop @nodeinfo;
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if (xCAT::Utils->isMN()) {
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send_msg(\%request, 0, "configuring management node: $nodename.");
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} else {
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send_msg(\%request, 0, "configuring service node: $nodename.");
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}
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#check if ntp is installed or not
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if ($verbose) {
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send_msg(\%request, 0, " ...checking if nptd is installed.");
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}
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if (!-f "/usr/sbin/ntpd") {
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send_msg(\%request, 1, "Please make sure ntpd is installed on $nodename.");
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return 1;
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}
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#configure the ntp configuration file
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if ($verbose) {
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send_msg(\%request, 0, " ...backing up the ntp configuration file /etc/ntp.conf.");
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}
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my $ntpcfg = "/etc/ntp.conf";
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my $ntpcfgbackup = "/etc/ntp.conf.orig";
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my $ntpxcatcfgbackup = "/etc/ntp.conf.xcatbackup";
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if (-e $ntpcfg) {
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if (!-e $ntpcfgbackup) {
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# if original backup does not already exist
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my $cmd = "mv $ntpcfg $ntpcfgbackup";
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my $result = xCAT::Utils->runcmd($cmd, 0);
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if ($::RUNCMD_RC != 0) {
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send_msg(\%request, 1, "Error from command:$cmd\n $result");
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return 1;
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}
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}
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else {
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# backup xcat cfg
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my $cmd = "rm $ntpxcatcfgbackup;mv $ntpcfg $ntpxcatcfgbackup";
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my $result = xCAT::Utils->runcmd($cmd, 0);
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if ($::RUNCMD_RC != 0) {
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send_msg(\%request, 1, "Error from command:$cmd\n $result.");
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return 1;
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}
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}
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}
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# get site.extntpservers for mn, for sn use mn as the server
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my $ntp_servers;
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my $ntp_master;
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my $ntp_attrib;
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if (xCAT::Utils->isMN()) {
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$ntp_attrib = "extntpservers";
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} else {
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$ntp_attrib = "ntpservers";
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}
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my @entries = xCAT::TableUtils->get_site_attribute($ntp_attrib);
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my $ntp_servers = $entries[0];
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if (!xCAT::Utils->isMN() && ((!$ntp_servers) || (($ntp_servers) && ($ntp_servers =~ /<xcatmaster>/)))) {
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my $retdata = xCAT::ServiceNodeUtils->readSNInfo($nodename);
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$ntp_servers = $retdata->{'master'};
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}
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if ($verbose) {
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send_msg(\%request, 0, " ...changing the ntp configuration file /etc/ntp.conf.\n ntp servers are: $ntp_servers");
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}
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# create ntp server config file
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open(CFGFILE, ">$ntpcfg")
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or xCAT::MsgUtils->message('SE',
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"Cannot open $ntpcfg for NTP update. \n");
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if (defined($ntp_servers) && $ntp_servers) {
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my @npt_server_array = split(',', $ntp_servers);
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# add ntp servers one by one
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foreach my $ntps (@npt_server_array) {
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if (!$ntp_master) { $ntp_master = $ntps; }
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print CFGFILE "server ";
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print CFGFILE "$ntps\n";
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}
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}
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my $os = xCAT::Utils->osver("all");
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#for sles, /var/lib/ntp/drift is a dir
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if (xCAT::Utils->isAIX()) {
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print CFGFILE "driftfile /etc/ntp.drift\n";
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print CFGFILE "tracefile /etc/ntp.trace\n";
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print CFGFILE "disable auth\n";
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print CFGFILE "broadcastclient\n";
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} elsif ($os =~ /sles/) {
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print CFGFILE "driftfile /var/lib/ntp/drift/ntp.drift\n";
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print CFGFILE "disable auth\n";
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} else {
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print CFGFILE "driftfile /var/lib/ntp/drift\n";
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print CFGFILE "disable auth\n";
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}
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#add xCAT mn/sn itself as a server
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print CFGFILE "server 127.127.1.0\n";
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print CFGFILE "fudge 127.127.1.0 stratum 10\n";
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close CFGFILE;
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my $ntp_service = "ntpserver";
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#stop ntpd
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if ($verbose) {
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send_msg(\%request, 0, " ...stopping $ntp_service");
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}
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my $rc = xCAT::Utils->stopservice($ntp_service);
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if ($rc != 0) {
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send_msg(\%request, 1, "Failed to stop nptd on $nodename.");
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return 1;
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}
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#update the time now
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if ($ntp_master) {
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my $cmd;
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if ($os =~ /sles/) {
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if (-f "/usr/sbin/rcntpd") {
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$cmd = "/usr/sbin/rcntpd ntptimeset";
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} elsif (-f "/usr/sbin/rcntp") {
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$cmd = "/usr/sbin/rcntp ntptimeset";
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} else {
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$cmd = "sntp -P no -r $ntp_master";
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}
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} else {
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$cmd = "ntpdate -t5 $ntp_master";
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}
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if ($verbose) {
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send_msg(\%request, 0, " ...updating the time now. $cmd");
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}
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my $result = xCAT::Utils->runcmd($cmd, 0);
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if ($verbose) {
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send_msg(\%request, 0, " $result");
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}
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if ($::RUNCMD_RC != 0) {
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send_msg(\%request, 1, "Error from command $cmd\n $result.");
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send_msg(\%request, 1, "Please check $ntp_master, make sure time is synced (can be validated by 'ntpq -p'), then rerun makentp command again ");
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return 1;
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}
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}
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#setup the hardware clock
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my $hwcmd = "/sbin/hwclock --systohc --utc";
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if ($verbose) {
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send_msg(\%request, 0, " ...updating the hwclock now. $hwcmd");
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}
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my $hwresult = xCAT::Utils->runcmd($hwcmd, 0);
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if ($verbose) {
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send_msg(\%request, 0, " $hwresult");
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}
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if ($::RUNCMD_RC != 0) {
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send_msg(\%request, 1, "Error from command $hwcmd\n $hwresult.");
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return 1;
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}
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my $grep_cmd;
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my $rc;
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#setup the RTC is UTC format, which will be used by os
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if ($os =~ /sles/) {
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$grep_cmd = "grep -i HWCLOCK /etc/sysconfig/clock";
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$rc = xCAT::Utils->runcmd($grep_cmd, 0);
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if ($::RUNCMD_RC == 0) {
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`sed -i 's/.*HWCLOCK.*/HWCLOCK=\"-u\"/' /etc/sysconfig/clock`;
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} else {
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`echo HWCLOCK=\"-u\" >> /etc/sysconfig/clock`;
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}
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} elsif (-f "/etc/debian_version") {
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`sed -i 's/.*UTC.*/UTC=\"yes\"/' /etc/default/rcS`;
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} else {
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if (-f "/etc/sysconfig/clock") {
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$grep_cmd = "grep -i utc /etc/sysconfig/clock";
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$rc = xCAT::Utils->runcmd($grep_cmd, 0);
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if ($::RUNCMD_RC == 0) {
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`sed -i 's/.*UTC.*/UTC=\"yes\"/' /etc/sysconfig/clock`;
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} else {
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`echo UTC=\"yes\" >> /etc/sysconfig/clock`;
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}
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} else {
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`type -P timedatectl >/dev/null 2>&1`;
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`timedatectl set-local-rtc 0`;
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}
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}
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#update the hardware clock automaticly
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if (-f "/etc/sysconfig/ntpd") {
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$grep_cmd = "grep -i SYNC_HWCLOCK /etc/sysconfig/ntpd";
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$rc = xCAT::Utils->runcmd($grep_cmd, 0);
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if ($::RUNCMD_RC == 0) {
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`sed -i 's/.*SYNC_HWCLOCK.*/SYNC_HWCLOCK=\"yes\"/' /etc/sysconfig/ntpd`;
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} else {
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`echo SYNC_HWCLOCK=\"yes\" >> /etc/sysconfig/ntpd`;
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}
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} elsif (-f "/etc/sysconfig/ntp") {
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`sed -i 's/.*SYNC_HWCLOCK.*/NTPD_FORCE_SYNC_HWCLOCK_ON_STARTUP=\"yes\"/' /etc/sysconfig/ntp`;
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`sed -i 's/^NTPD_FORCE_SYNC_ON.*/NTPD_FORCE_SYNC_ON_STARTUP=\"yes\"/' /etc/sysconfig/ntp`;
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`sed -i 's/.*RUN_CHROOTED.*/NTPD_RUN_CHROOTED=\"yes\"/' /etc/sysconfig/ntp`;
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} else {
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my $cron_file = "/etc/cron.daily/xcatsethwclock";
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if (!-f "$cron_file") {
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`echo "#!/bin/sh" > $cron_file`;
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`echo "/sbin/hwclock --systohc --utc" >> $cron_file`;
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`chmod a+x $cron_file`;
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#service cron restart
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xCAT::Utils->startservice("cron");
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}
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}
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#start ntpd
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if ($verbose) {
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send_msg(\%request, 0, " ...starting $ntp_service");
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}
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my $rc = xCAT::Utils->startservice($ntp_service);
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if ($rc != 0) {
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send_msg(\%request, 1, "Failed to start nptd on $nodename.");
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return 1;
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}
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#enable ntpd for node reboot
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if ($verbose) {
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send_msg(\%request, 0, " ...enabling $ntp_service");
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}
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xCAT::Utils->enableservice($ntp_service);
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#now handle sn that has ntpserver=1 set in servicenode table.
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# this part is called by makentp -a.
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if ($req->{_all}->[0] == 1) {
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my @servicenodes = xCAT::ServiceNodeUtils->getSNList('ntpserver');
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if (@servicenodes > 0) {
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send_msg(\%request, 0, "configuring service nodes: @servicenodes");
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my $ret =
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xCAT::Utils->runxcmd(
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{
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command => ['updatenode'],
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node => \@servicenodes,
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arg => [ "-P", "setupntp" ],
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},
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$sub_req, -1, 1
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);
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my $retcode=$::RUNCMD_RC;
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my $msg;
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foreach my $line (@$ret) {
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$msg .= "$line\n";
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}
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send_msg(\%request, $retcode, "$msg");
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}
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}
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return;
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}
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1;
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