net/haproxy: add HAProxy load balancer to plugins

net/haproxy/+POST_INSTALL

@@ -0,0 +1,4 @@
+echo "restarting configd..."
+if /usr/local/etc/rc.d/configd status > /dev/null; then
+        /usr/local/etc/rc.d/configd restart
+fi

net/haproxy/Makefile

@@ -0,0 +1,7 @@
+PLUGIN_NAME=		haproxy
+PLUGIN_VERSION=		1.0
+PLUGIN_COMMENT=		Reliable, high performance TCP/HTTP load balancer
+#PLUGIN_DEPENDS=		
+PLUGIN_MAINTAINER=	opnsense@moov.de
+
+.include "../../Mk/plugins.mk"

net/haproxy/src/opnsense/mvc/app/controllers/OPNsense/HAProxy/Api/ServiceController.php

@@ -0,0 +1,168 @@
+<?php
+/**
+ *    Copyright (C) 2016 Frank Wall
+ *    Copyright (C) 2015 Deciso B.V.
+ *
+ *    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.
+ *
+ */
+namespace OPNsense\HAProxy\Api;
+
+use \OPNsense\Base\ApiControllerBase;
+use \OPNsense\Core\Backend;
+use \OPNsense\HAProxy\HAProxy;
+
+/**
+ * Class ServiceController
+ * @package OPNsense\HAProxy
+ */
+class ServiceController extends ApiControllerBase
+{
+    /**
+     * start haproxy service (in background)
+     * @return array
+     */
+    public function startAction()
+    {
+        if ($this->request->isPost()) {
+            $backend = new Backend();
+            $response = $backend->configdRun("haproxy start", true);
+            return array("response" => $response);
+        } else {
+            return array("response" => array());
+        }
+    }
+
+    /**
+     * stop haproxy service
+     * @return array
+     */
+    public function stopAction()
+    {
+        if ($this->request->isPost()) {
+            $backend = new Backend();
+            $response = $backend->configdRun("haproxy stop");
+            return array("response" => $response);
+        } else {
+            return array("response" => array());
+        }
+    }
+
+    /**
+     * restart haproxy service
+     * @return array
+     */
+    public function restartAction()
+    {
+        if ($this->request->isPost()) {
+            $backend = new Backend();
+            $response = $backend->configdRun("haproxy restart");
+            return array("response" => $response);
+        } else {
+            return array("response" => array());
+        }
+    }
+
+    /**
+     * retrieve status of haproxy service
+     * @return array
+     * @throws \Exception
+     */
+    public function statusAction()
+    {
+        $backend = new Backend();
+        $mdlProxy = new HAProxy();
+        $response = $backend->configdRun("haproxy status");
+
+        if (strpos($response, "not running") > 0) {
+            if ($mdlProxy->general->enabled->__toString() == 1) {
+                $status = "stopped";
+            } else {
+                $status = "disabled";
+            }
+        } elseif (strpos($response, "is running") > 0) {
+            $status = "running";
+        } elseif ($mdlProxy->general->enabled->__toString() == 0) {
+            $status = "disabled";
+        } else {
+            $status = "unkown";
+        }
+
+        return array("status" => $status);
+    }
+
+    /**
+     * reconfigure haproxy, generate config and reload
+     */
+    public function reconfigureAction()
+    {
+        if ($this->request->isPost()) {
+            $force_restart = false;
+            // close session for long running action
+            $this->sessionClose();
+
+            $mdlProxy = new HAProxy();
+            $backend = new Backend();
+
+            $runStatus = $this->statusAction();
+
+            // stop haproxy when disabled
+            if ($runStatus['status'] == "running" &&
+               ($mdlProxy->general->enabled->__toString() == 0 || $force_restart)) {
+                $this->stopAction();
+            }
+
+            // generate template
+            $backend->configdRun("template reload OPNsense.HAProxy");
+
+            // (res)start daemon
+            if ($mdlProxy->general->enabled->__toString() == 1) {
+                if ($runStatus['status'] == "running" && !$force_restart) {
+                    $backend->configdRun("haproxy reconfigure");
+                } else {
+                    $this->startAction();
+                }
+            }
+
+            return array("status" => "ok");
+        } else {
+            return array("status" => "failed");
+        }
+    }
+
+    /**
+     * run syntax check for haproxy configuration
+     * @return array
+     * @throws \Exception
+     */
+    public function configtestAction()
+    {
+        $backend = new Backend();
+        // first generate template based on current configuration
+        $backend->configdRun("template reload OPNsense.HAProxy");
+        // now run the syntax check
+        $response = $backend->configdRun("haproxy configtest");
+        return array("result" => $response);
+    }
+}