cross module change

[nodeconfig.git] / PlanetLabConf / ntp.conf.php

diff --git a/PlanetLabConf/ntp.conf.php b/PlanetLabConf/ntp.conf.php
new file mode 100755 (executable)
index 0000000..4676c23
--- /dev/null
+++ b/PlanetLabConf/ntp.conf.php
@@ -0,0 +1,98 @@
+<?php
+//
+// /etc/ntp.conf generator
+//
+// Marc Fiuczynski <mef@cs.princeton.edu>
+// Copyright (C) 2006 The Trustees of Princeton University
+// 
+// $Id$
+//
+
+// Get admin API handle
+require_once 'plc_api.php';
+global $adm;
+
+$config_directory = "/var/www/html/PlanetLabConf/ntp/";
+$file_prefix = "ntp.conf.";
+$default_name = "default";
+$file_name = $config_directory . $file_prefix . $default_name;
+
+// Look up the node
+$nodenetworks = $adm->GetNodeNetworks(array('ip' => $_SERVER['REMOTE_ADDR']));
+if (!empty($nodenetworks)) {
+  $nodes = $adm->GetNodes(array($nodenetworks[0]['node_id']));
+  if (!empty($nodes)) {
+    $node = $nodes[0];
+  }
+}
+
+if (!isset($node)) {
+  readfile($file_name); 
+  exit();
+}
+
+$problem_models = array("Dell Precision 340", "Unknown");
+
+$hostname= trim($node['hostname']);
+$model= trim($node['model']);
+
+/* pull LatLong data */
+$sites = $adm->GetSites(array($node['site_id']));
+if (!empty($sites)) {
+  $site_name= $sites[0]['name'];
+  $mylat= $sites[0]['latitude'];
+  $mylong= $sites[0]['longitude'];
+}
+
+/* typical NTP settings */
+
+print( "# node $hostname site $site_name $mylat $mylong $model\n");
+print( "driftfile /var/lib/ntp/ntp.drift\n" );
+print( "statsdir /var/log/ntpstats/\n" );
+if (is_numeric(array_search($model, $problem_models))) {
+  print( "tinker stepout 0\n" );
+}
+
+/* Look for config file */
+
+$hostname_bits = explode('.', $hostname);
+$chunk_counter = sizeof ($hostname_bits);
+$compare_chunk = $hostname ;
+$found_file = 0;
+
+/* look for host specific overrides */
+$file_name = $config_directory . "host/" . $file_prefix . $compare_chunk ;
+if (is_file($file_name)) {
+  $chunk_counter = 0;
+  $found_file = 1;
+}
+
+/* look for domain specific overrides */
+while ($chunk_counter > 0) {
+  $file_name = $config_directory . $file_prefix . $compare_chunk ;
+  if (is_file($file_name)) {
+    $chunk_counter = 0;
+    $found_file = 1;
+  }
+  else {
+    array_shift($hostname_bits);
+    $compare_chunk = implode('.',$hostname_bits);
+    $chunk_counter--;
+  }
+}
+
+
+if ($found_file and is_readable($file_name)) {
+  readfile($file_name);
+} 
+else {
+  if (is_numeric(array_search($model,$problem_models))) {
+    $file_name = $config_directory . $file_prefix . "prob." . $default_name ;
+  }
+  else {
+    $file_name = $config_directory . $file_prefix . $default_name ;
+  }
+  readfile($file_name); 
+} 
+
+?>
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