nodecontrol_form.php3 6.31 KB
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<?php
include("defs.php3");

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#
# Standard Testbed Header
#
PAGEHEADER("Node Control Form");

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#
# Only known and logged in users can do this.
#
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$uid = GETLOGIN();
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LOGGEDINORDIE($uid);

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#
# Verify form arguments.
# 
if (!isset($node_id) ||
    strcmp($node_id, "") == 0) {
    USERERROR("You must provide a node ID.", 1);
}

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#
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# Check to make sure that this is a valid nodeid
#
$query_result = mysql_db_query($TBDBNAME,
	"SELECT * FROM nodes WHERE node_id=\"$node_id\"");
if (mysql_num_rows($query_result) == 0) {
  USERERROR("The node $node_id is not a valid nodeid", 1);
}
$row = mysql_fetch_array($query_result);

#
# Admin users can control any node, but normal users can only control
# nodes in their own experiments.
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#
$isadmin = ISADMIN($uid);
if (! $isadmin) {
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    $query_result = mysql_db_query($TBDBNAME,
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	"select proj_memb.* from proj_memb left join reserved ".
	"on proj_memb.pid=reserved.pid and proj_memb.uid='$uid' ".
	"where reserved.node_id='$node_id'");
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    if (mysql_num_rows($query_result) == 0) {
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        USERERROR("The node $node_id is not in an experiment ".
		  "or not in the same project as you", 1);
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    }
    $foorow = mysql_fetch_array($query_result);
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    $trust = $foorow[trust];
    if ($trust != "local_root" && $trust != "group_root") {
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        USERERROR("You do not have permission to modify node $node_id!", 1);
    }
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}

$node_id            = $row[node_id]; 
$type               = $row[type];
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$def_boot_osid      = $row[def_boot_osid];
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$def_boot_path      = $row[def_boot_path];
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$def_boot_cmd_line  = $row[def_boot_cmd_line];
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$next_boot_osid     = $row[next_boot_osid];
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$next_boot_path     = $row[next_boot_path];
$next_boot_cmd_line = $row[next_boot_cmd_line];
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$rpms               = $row[rpms];
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$startupcmd         = $row[startupcmd];
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#
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# Get the OSID list. These are either OSIDs that are currently loaded on
# the node as indicated by the partitions table, or OSIDs with non-null
# paths (which means they are OSKit kernels). The list is pruned using the
# pid of the user when not an admin type, of course.
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#
if ($isadmin) {
    $osid_result = mysql_db_query($TBDBNAME,
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	"select o.*,p.osid from os_info as o ".
	"left join partitions as p on o.osid=p.osid ".
	"where p.node_id='$node_id' or o.path!='' order by o.osid");
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}
else {
    $osid_result = mysql_db_query($TBDBNAME,
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	"select distinct o.*,p.osid from os_info as o ".
	"left join proj_memb as m on o.pid IS NULL or m.pid=o.pid ".
	"left join partitions as p on o.osid=p.osid ".
	"where m.uid='$uid' and p.node_id='$node_id' or o.path!='' ".
	"order by o.pid,o.osid");
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}
if (! $osid_result) {
    $err = mysql_error();
    TBERROR("Database Error getting OSID list: $err\n", 1);
}

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echo "<table border=2 cellpadding=0 cellspacing=2
       align='center'>\n";

#
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# Generate the form. Note that $refer is set by the caller so we know
# how we got to the nodecontrol page. 
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# 
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echo "<form action=\"nodecontrol.php3?refer=$refer\"
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            method=\"post\">\n";
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echo "<tr>
          <td>Node ID:</td>
          <td class=\"left\"> 
              <input type=\"readonly\" name=\"node_id\" value=\"$node_id\">
              </td>
      </tr>\n";

echo "<tr>
          <td>Node Type:</td>
          <td class=\"left\"> 
              <input type=\"readonly\" name=\"node_type\" value=\"$type\">
              </td>
      </tr>\n";

#
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# OSID, as a menu of those allowed.
#
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echo "<tr>
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          <td>*Def Boot OSID:</td>";
echo "    <td><select name=\"def_boot_osid\">\n";
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if ($def_boot_osid) {
    echo "<option selected value='$def_boot_osid'>$def_boot_osid</option>\n";
}
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               while ($row = mysql_fetch_array($osid_result)) {
                  $osid = $row[osid];
		  $pid  = $row[pid];
		  if (!$pid)
		      $pid = "testbed";

                  echo "<option ";
		  if ($def_boot_osid == $osid) {
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		      continue;
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		  }
                  echo "value=\"$osid\">$pid - $osid</option>\n";
               }
if ($isadmin) {
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    echo "<option value=\"\">No OSID</option>\n";
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}
echo "       </select>";
echo "    </td>
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      </tr>\n";

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echo "<tr>
          <td>Def Boot Path:</td>
          <td class=\"left\">
              <input type=\"text\" name=\"def_boot_path\" size=\"40\"
                     value=\"$def_boot_path\"></td>
      </tr>\n";


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echo "<tr>
          <td>Def Boot Command Line:</td>
          <td class=\"left\">
              <input type=\"text\" name=\"def_boot_cmd_line\" size=\"40\"
                     value=\"$def_boot_cmd_line\"></td>
      </tr>\n";

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if ($isadmin) {
    mysql_data_seek($osid_result, 0);

    echo "<tr>
              <td>Next Boot OSID:</td>";
    echo "    <td><select name=\"next_boot_osid\">\n";
    echo "                <option value=\"\">No OSID</option>\n";
    
    while ($row = mysql_fetch_array($osid_result)) {
	$osid = $row[osid];
	$pid  = $row[pid];
	if (!$pid)
	    $pid = "testbed";

	echo "<option ";
	if ($next_boot_osid == $osid) {
	    echo "selected ";
	}
	echo "value=\"$osid\">$pid - $osid</option>\n";
    }
    echo "       </select>";
    echo "    </td>
           </tr>\n";

    echo "<tr>
             <td>Next Boot Path:</td>
             <td class=\"left\">
                 <input type=\"text\" name=\"next_boot_path\" size=\"40\"
                        value=\"$next_boot_path\"></td>
          </tr>\n";


    echo "<tr>
              <td>Next Boot Command Line:</td>
              <td class=\"left\">
                  <input type=\"text\" name=\"next_boot_cmd_line\" size=\"40\"
                         value=\"$next_boot_cmd_line\"></td>
          </tr>\n";
}
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echo "<tr>
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          <td>Startup Command[1]:</td>
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          <td class=\"left\">
              <input type=\"text\" name=\"startupcmd\" size=\"60\"
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                     maxlength=\"256\" value=\"$startupcmd\"></td>
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      </tr>\n";


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echo "<tr>
          <td>RPMs[2]:</td>
          <td class=\"left\">
              <input type=\"text\" name=\"rpms\" size=\"60\"
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                     maxlength=\"1024\" value=\"$rpms\"></td>
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      </tr>\n";

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echo "<tr>
          <td colspan=2 align=center>
              <b><input type=\"submit\" value=\"Submit\"></b>
          </td>
     </tr>
     </form>
     </table>\n";

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echo "<p>
      <dl COMPACT>
        <dt> [1]
           <dd> Node startup command must be a pathname. You may also include
                optional arguments.
        <dt> [2]
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           <dd> RPMs must be a colon separated list of pathnames.
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      </dl>\n";

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#
# Standard Testbed Footer
# 
PAGEFOOTER();
?>