<?php
/*------------------------------------------------------------------------------
  Produce the page for running commands on the nodes of the cluster
------------------------------------------------------------------------------*/
$TOPDIR = '..';
$expire_time = gmmktime(0, 0, 0, 1, 1, 2038);
//setcookie('history[]', "date;hello.sh", $expire_time);

require_once "$TOPDIR/lib/functions.php";

insertHeader('Run Commands on Nodes', array("$TOPDIR/themes/default.css"),
			array("$TOPDIR/lib/CommandWindow.js", "$TOPDIR/js/prototype.js", "$TOPDIR/js/scriptaculous.js?load=effects", "$TOPDIR/js/window.js"),
			array('manage','dsh'));

echo <<<EOS
<div id=content>
<FORM NAME="dsh_options" onsubmit="checkEmpty();">
<TABLE class="inner_table" cellspacing=0 cellpadding=5>
  <TBODY>
  	<TR><TD colspan=3>
EOS;

if (isset($_REQUEST['noderange'])) {
	echo "<B><FONT size='+1'>Run Command on: </FONT></B>";
	if (strlen($_REQUEST['noderange']) > 70) {
		echo "<TEXTAREA rows=1 cols=70 readonly name=nodeList class=middle>" . $_REQUEST['noderange'] . "</TEXTAREA>\n";
	} else {
		echo "<INPUT size=70 type=text name=nodeList id=nodeList class=middle value='" . $_REQUEST['noderange'] . "'>\n";
	}
} else { echo "<B><FONT size='+1'>Run Command on a Group of Nodes</FONT></B>\n"; }

echo <<<EOS2
  	</TD></TR>
	<TR><TD colspan=3>
		<P>Select a previous command from the history, or enter the command and options below. Then click on Run Cmd.</P>
	</TD></TR>
    <TR><TD colspan=3>
EOS2;
//		<INPUT type="button" id="runCmdButton" name="runCmdButton" value="Run Cmd" class=middle onclick="CommandWindow.updateCommandResult()">
insertButtons(array('label' => 'Run Cmd', 'onclick' => 'CommandWindow.updateCommandResult()'));
echo "</TD></TR>\n";

if (!isset($_REQUEST['noderange'])) {
	echo "<TR class=FormTable><TD colspan=3>Run Command on Group:<SELECT name=nodegrps id=nodegrpsCboBox class=middle><OPTION value=''>Choose ...</OPTION>\n";
  	$nodegroups = getGroups();
	foreach ($nodegroups as $group) {
		//if($group == $currentGroup) { $selected = 'selected'; } else { $selected = ''; }
		echo "<OPTION value='$group' $selected>$group</OPTION>\n";
		}
	echo "</SELECT></td></tr>\n";
}

?>
    <TR class=FormTable>
      <TD colspan=3>Command:&nbsp;
       <INPUT size=80 type=text name=command id=commandQuery class=middle> <!-- onchange='CommandWindow.updateCommandResult()' -->
       History:
      <SELECT name=history onChange="_setvars();" class=middle>
      <OPTION value="">Choose ...</OPTION>
      <?php
		if (isset($_COOKIE['history'])) {
			foreach ($_COOKIE['history'] as $value) { echo "<option value='$value'>$value</option>\n"; }
		}
	 ?>
     </SELECT>
      </TD>
    </TR>
    <TR class=FormTable>
      <TD colspan="3" nowrap><INPUT type="checkbox" name="copy_script" id="copyChkBox">
		Copy command to nodes &nbsp;(The command specified above will 1st be copied
      	to /tmp on the nodes and executed from there.)</TD>
    </TR>
    <TR class=FormTable>
      <TD colspan="3" nowrap><INPUT type="checkbox" name="run_psh" id="pshChkBox" checked readonly>
		Use parallel shell (psh) command instead of xdsh.  Currently this option must be used, and the options below (associated with xdsh) are disabled.</TD>
    </TR>
    <TR class=FormTable>
      <TD colspan="3"><B>Options:</TD>
    </TR>
    <TR class=FormTable>
      <TD width="37"></TD>
      <TD width="210" valign="top" nowrap><INPUT type="checkbox" name="serial" id="serialChkBox" disabled>Streaming mode</TD>
      <TD width="500">Specifies that output is returned as it becomes available from each target, instead of waiting for the command to be completed on a target before returning output from that target.</TD>
    </TR>
    <TR class=FormTable>
      <TD></TD>
      <TD valign="top" nowrap><INPUT type="checkbox" name="monitor" id="monitorChkBox" disabled>Monitor</TD>
      <TD>Prints starting and completion messages for each node.  Useful with Streaming mode.</TD>
    </TR>
    <TR class=FormTable>
      <TD></TD>
      <TD valign="top" nowrap><INPUT type="checkbox" name="verify" id="verifyChkBox" disabled>Verify</TD>
      <TD>Verifies that nodes are responding before sending the command to them.</TD>
    </TR>
    <TR class=FormTable>
      <TD></TD>
      <TD valign="top" nowrap><INPUT type="checkbox" name="collapse" id="collapseChkBox" disabled>Collaspe Identical Output</TD>
      <TD>Automatically pipe the xdsh output into xdshbak which will only display output once for all the nodes that display identical output.  See the xdshbak man page for more info.</TD>
    </TR>
    <TR class=FormTable>
      <TD></TD>
      <TD valign="top" nowrap>Fanout: <INPUT type="text" name="fanout" id="fanoutTxtBox" disabled></TD>
      <TD>The maximum number of nodes the command should be run on concurrently. When the command finishes on 1 of the nodes, it will be started on an additional node (the default is 64).</TD>
    </TR>
    <TR class=FormTable>
      <TD></TD>
      <TD valign="top" nowrap>UserID: <INPUT type="text" name="userID" id="userIDTxtBox" disabled></TD>
      <TD>The user id to use to run the command on the nodes.</TD>
    </TR>
    <TR class=FormTable>
      <TD></TD>
      <TD valign="top" nowrap>Remote Shell: <INPUT type="text" name="rshell" id="rshellTxtBox" disabled></TD>
      <TD>The remote shell program to use to run the command on the nodes. The default is /usr/bin/ssh.</TD>
    </TR>
    <TR class=FormTable>
      <TD></TD>
      <TD valign="top" nowrap>Shell Options: <INPUT type="txt" name="shell_opt" id="shell_optTxtBox" disabled></TD>
      <TD>Options to pass to the remote shell being used.</TD>
    </TR>
    <TR class=FormTable>
      <TD></TD>
      <TD valign="top" nowrap><INPUT type="checkbox" name="ret_code" id="ret_codeChkBox" disabled>Return Code</TD>
      <TD>Prints the return code of the (last) command that was run remotely on each node. The return code is appended at the end of the output for each node.</TD>
    </TR>
    <TR><TD colspan="3">
		<font class="BlueBack">Tips:</font>
		<UL>
		  <LI>See the <A href="<?php echo $TOPDIR; ?>/support/doc.php?book=manpages&amp;section=xdsh">xdsh man page</A> for more information about this command.</LI>
		</UL>
	</TD></TR>
  </TBODY>
</TABLE>
</FORM>
<div>
<SCRIPT language="JavaScript">
<!--
// in CSM perl script this portion used to be javascript to get
// and set cookies, now php has handled it

//window.onload = function(){window.document.dsh_options.runCmdButton.focus()};
function _setvars(){
	var form = window.document.dsh_options;
	form.command.value = form.history.value;
}
function checkEmpty(){
	var form = window.document.dsh_options;
	var cmd = form.command.value;
	if (cmd.length == 0)
	  {
	    alert('Enter a command before pressing the Run Cmd button.');
	    return false;
	  }
	else { return true; }
}
-->
</SCRIPT>
</BODY>
</HTML>