haproxy-devel, add options to set the 'errorfile' option to replace haproxy errors like 'no server available'

1 files changed, 176 insertions, 0 deletions

diff --git a/config/haproxy-devel/haproxy_files.php b/config/haproxy-devel/haproxy_files.php
new file mode 100644
index 00000000..4946a7be
--- /dev/null
+++ b/config/haproxy-devel/haproxy_files.php
@@ -0,0 +1,176 @@
+<?php
+/* $Id: load_balancer_virtual_server.php,v 1.6.2.1 2006/01/02 23:46:24 sullrich Exp $ */
+/*
+	haproxy_pools.php
+	part of pfSense (https://www.pfsense.org/)
+	Copyright (C) 2014 PiBa-NL
+	All rights reserved.
+
+	Redistribution and use in source and binary forms, with or without
+	modification, are permitted provided that the following conditions are met:
+
+	1. Redistributions of source code must retain the above copyright notice,
+	   this list of conditions and the following disclaimer.
+
+	2. Redistributions in binary form must reproduce the above copyright
+	   notice, this list of conditions and the following disclaimer in the
+	   documentation and/or other materials provided with the distribution.
+
+	THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
+	INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+	AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+	AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
+	OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+	SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+	INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+	CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+	ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+	POSSIBILITY OF SUCH DAMAGE.
+*/
+$shortcut_section = "haproxy";
+require_once("guiconfig.inc");
+require_once("haproxy.inc");
+require_once("pkg_haproxy_tabs.inc");
+require_once("haproxy_htmllist.inc");
+
+$a_files = &$config['installedpackages']['haproxy']['files']['item'];
+if (!is_array($a_files)) $a_files = array();
+$a_pools = &$config['installedpackages']['haproxy']['ha_pools']['item'];
+if (!is_array($a_pools)) $a_pools = array();
+
+
+$fields_files = array();
+$fields_files[0]['name']="name";
+$fields_files[0]['columnheader']="Name";
+$fields_files[0]['colwidth']="30%";
+$fields_files[0]['type']="textbox";
+$fields_files[0]['size']="20";
+
+$fields_files[1]['name']="content";
+$fields_files[1]['columnheader']="content";
+$fields_files[1]['colwidth']="70%";
+$fields_files[1]['type']="textarea";
+$fields_files[1]['size']="70";
+
+$fileslist = new HaproxyHtmlList("table_files", $fields_files);
+$fileslist->keyfield = "name";
+
+if ($_POST) {
+	$pconfig = $_POST;
+	
+	if ($_POST['apply']) {
+		$result = haproxy_check_and_run($savemsg, true);
+		if ($result)
+			unlink_if_exists($d_haproxyconfdirty_path);
+	} else {
+		$a_files = $fileslist->haproxy_htmllist_get_values($fields_files);
+		$filedupcheck = array();
+
+		foreach($a_files as $key => $file) {
+			$name = $file['name'];
+			if (!preg_match("/^[a-zA-Z][a-zA-Z0-9\.\-_]*$/", $file['name']))
+				$input_errors[] = "The field 'Name' (".htmlspecialchars($file['name']).") contains invalid characters. Use only: a-zA-Z0-9.-_ and start with a letter";
+			if (isset($filedupcheck[$name]))
+				$input_errors[] = "Duplicate names are not allowed: " . htmlspecialchars($name);
+			$filedupcheck[$name] = true;
+		}
+		
+		// replace references in backends to renamed 'files'
+		foreach($a_pools as &$backend) {
+			if (is_arrayset($backend,'errorfiles','item'))
+				foreach($backend['errorfiles']['item'] as &$errorfile) {
+					$found = false;
+					foreach($a_files as $key => $file) {
+						if ($errorfile['errorfile'] == $key) {
+							$errorfile['errorfile'] = $file['name'];
+							$found = true;
+						}
+					}
+					if (!$found)
+						$input_errors[] = "Errorfile marked for deletion: " . $errorfile['errorfile'] . " which is used in backend " . $backend['name'];
+				}
+		}
+		if (!$input_errors) {
+			// save config when no errors found
+			touch($d_haproxyconfdirty_path);
+			write_config($changedesc);
+			header("Location: haproxy_files.php");
+			exit;
+		}
+	}
+}
+
+$pf_version=substr(trim(file_get_contents("/etc/version")),0,3);
+	
+$pgtitle = "Services: HAProxy: Files";
+include("head.inc");
+
+?>
+<body link="#0000CC" vlink="#0000CC" alink="#0000CC">
+<?php include("fbegin.inc"); ?>
+<form action="haproxy_files.php" method="post">
+<?php if ($input_errors) print_input_errors($input_errors); ?>
+<?php if ($savemsg) print_info_box($savemsg); ?>
+<?php if (file_exists($d_haproxyconfdirty_path)): ?>
+<?php print_info_box_np("The haproxy configuration has been changed.<br/>You must apply the changes in order for them to take effect.");?><br/>
+<?php endif; ?>
+<table width="100%" border="0" cellpadding="0" cellspacing="0">
+  <tr><td class="tabnavtbl">
+  <?php
+	haproxy_display_top_tabs_active($haproxy_tab_array['haproxy'], "files");
+  ?>
+  </td></tr>
+  <tr>
+    <td>
+	<div id="mainarea">
+		<table class="tabcont" width="100%" border="0" cellpadding="0" cellspacing="0">
+		<tr>
+			<td>
+				Files can be used for errorfiles, that can return custom error pages in 
+				case haproxy reports a error (like no available backend). The content needs 
+				to be less than the buffer size which is typically 8kb.
+				There are 2 possible variables to use inside the template:
+				Put these variables in the content of the errorfile templates and they will be replaced by the actual errorcode / message. (include the curly braces around the text)<br/>
+				<b>{errorcode}</b> this represents the errorcode<br/>
+				<b>{errormsg}</b> this represents the human readable error<br/>
+			</td>
+		</tr>
+		<tr>
+			<td>
+				&nbsp;
+			</td>
+		</tr>
+		<tr>
+			<td>
+			<?
+			$counter=0;
+			$fileslist->Draw($a_files);
+			?>
+			</td>
+		</tr>
+			<tr>
+				<td>
+					&nbsp;
+				</td>
+			</tr>
+			<tr>
+				<td width="78%">
+					<input name="Submit" type="submit" class="formbtn" value="Save" onClick="enable_change(true)" />
+				</td>
+			</tr>
+		</table>
+	</div>
+	</table>
+	</form>
+<script type="text/javascript">
+	totalrows =  <?php echo $counter; ?>;
+<?
+	phparray_to_javascriptarray($fields_files,"fields_files",Array('/*','/*/name','/*/type','/*/size','/*/items','/*/items/*','/*/items/*/*','/*/items/*/*/name'));
+?>
+</script>
+
+<?php
+haproxy_htmllist_js();
+include("fend.inc"); ?>
+</body>
+</html>