File:  [LON-CAPA] / doc / loncapafiles / ntpcheck.piml
Revision 1.15: download - view: text, annotated - select for diffs
Tue Nov 8 07:38:31 2011 UTC (12 years, 4 months ago) by raeburn
Branches: MAIN
CVS tags: version_2_10_X, version_2_10_1, loncapaMITrelate_1, language_hyphenation_merge, language_hyphenation, HEAD, BZ4492-merge, BZ4492-feature_horizontal_radioresponse, BZ4492-feature_Support_horizontal_radioresponse, BZ4492-Support_horizontal_radioresponse
- Avoid needing to check for specific phrases (in English) to determine if
  ntp is running by using "ps" command to check for ntp process.

<!DOCTYPE piml PUBLIC "-//TUX/DTD piml 1.0 Final//EN" 
	"http://lpml.sourceforge.net/DTD/piml.dtd">
<!-- ntpcheck.piml -->
<!-- Matthew Hall -->

<!-- $Id: ntpcheck.piml,v 1.15 2011/11/08 07:38:31 raeburn Exp $ -->

<!--

This file is part of the LearningOnline Network with CAPA (LON-CAPA).

LON-CAPA is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.

LON-CAPA is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with LON-CAPA; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

/home/httpd/html/adm/gpl.txt

http://www.lon-capa.org/

-->

<piml>
<targetroot>/</targetroot>
<files>
<file>
<target dist="default"></target>
<perlscript mode="fg">
print "Checking to be sure the Network Time Protocol is running properly.\n";
print "For more information on ntpd please see http://www.ntp.org/\n";
my $NTPD;
my $checkcmd = 'ps -ef |grep ntp |grep -v grep';
my $startntpcmd;
my $is_running;
if (('<DIST />' eq 'fedora15') || ('<DIST />' eq 'fedora16')) {
    $NTPD = 'ntpd';
    $startntpcmd = 'systemctl start ntpd.service';
    if (!-e '/usr/sbin/ntpd') {
        print "ntp is not installed.\n";
        exit;
    }
} else {
    if (-e "/etc/init.d/ntpd") {
        $NTPD = "ntpd";
    } elsif (-e "/etc/init.d/xntpd") {
        $NTPD = "xntpd";
    } elsif (-e "/etc/init.d/ntp") {
        $NTPD = "ntp"; 
    } else {
        print "ntp is not installed.\n";
        exit;
    }
    $startntpcnd = "/etc/init.d/$NTPD start";
}

if (open(PIPE,'-|',$checkcmd)) {
    $is_running = &lt;PIPE&gt;;
    chomp($is_running);
    close(PIPE);
    if (!$is_running) {
        print "WARNING: ntp is installed but is not currently running.\nPlease verify the configuration of ntp in /etc/ntp.conf and /etc/ntp/step-tickers\nStart ntp by executing\n $startntpcmd\n";
    }
} else {
    print "Could not determine ntp status.\n";
}

# chkconfig barfs to stderr if the target isn't set up right.
my $checking_bin;
my $restartchk;
if ('<DIST />' eq 'debian5' || '<DIST />' eq 'debian6' || '<DIST />' eq 'ubuntu6' || '<DIST />' eq 'ubuntu8' || '<DIST />' eq 'ubuntu10') {
    $checking_bin = '/usr/sbin/sysv-rc-conf';
} else {
    $checking_bin = '/sbin/chkconfig';
}
if (('<DIST />' eq 'fedora15') || ('<DIST />' eq 'fedora16')) {
    if (!-l "/etc/systemd/system/multi-user.target.wants/ntpd.service") {  
        print "**** WARNING: ntpd is not configured to run at boot.  To correct this run:\nsystemctl enable ntpd.service\n";
    }
    exit;
} else {
    $restartchk = `$checking_bin --list $NTPD 2>/dev/null`;
    if ($restartchk eq '') {
        print "**** WARNING: ntpd is either not installed or not configured to run at boot.\n";
        exit;
    }
    if ($restartchk =~ /^error reading information on service / ||
        $restartchk !~ /\d:(on|off)/) {
        print "**** WARNING: Unable to check status $NTPD with $checking_bin.\n";
        exit;
    }
    if ($restartchk !~ /\s3:on/) {
        print "**** WARNING: ntpd is not set to start at runlevel 3.  To correct this run:\n$checking_bin --level 345 $NTPD on\n";
        exit;
    }
    if ($restartchk !~ /\s5:on/) {
        print "**** WARNING: ntpd is not set to start at runlevel 5.  To correct this run:\n$checking_bin --level 345 $NTPD on\n";
        exit;
    }
}
</perlscript>
</file>
</files>
</piml>

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