(netflow) enable local data collection, ui part

src/opnsense/mvc/app/controllers/OPNsense/Diagnostics/Api/NetflowController.php

@@ -67,6 +67,18 @@ class NetflowController extends ApiControllerBase
             // load model and update with provided data
             $mdlNetflow = new Netflow();
             $mdlNetflow->setNodes($this->request->getPost("netflow"));
+            if ((string)$mdlNetflow->collect->enable == 1) {
+                // add localhost (127.0.0.1:2056) as target if local capture is configured
+                if (strpos((string)$mdlNetflow->capture->targets, "127.0.0.1:2056") === false) {
+                    if ((string)$mdlNetflow->capture->targets != "") {
+                        $targets = explode(",", (string)$mdlNetflow->capture->targets);
+                    } else {
+                        $targets = array();
+                    }
+                    $targets[] = "127.0.0.1:2056";
+                    $mdlNetflow->capture->targets = implode(',', $targets);
+                }
+            }
 
             // perform validation
             $validations = $mdlNetflow->validate();

src/opnsense/mvc/app/controllers/OPNsense/Diagnostics/forms/netflow_capture.xml

@@ -7,6 +7,12 @@
         <help><![CDATA[Select interface(s) to enable netflow on.]]></help>
         <hint>Type or select interface.</hint>
     </field>
+    <field>
+        <id>netflow.collect.enable</id>
+        <label>Capture local</label>
+        <type>checkbox</type>
+        <help>Collect netflow data on this firewall, this will automatically append localhost as netflow target</help>
+    </field>
     <field>
         <id>netflow.capture.version</id>
         <label>Version</label>

src/opnsense/mvc/app/models/OPNsense/Diagnostics/Netflow.xml

@@ -27,5 +27,11 @@
                 <ValidationMessage>Please enter valid targets (e.g. 192.168.0.1:2055)</ValidationMessage>
             </targets>
         </capture>
+        <collect>
+            <enable type="BooleanField">
+                <default>1</default>
+                <Required>Y</Required>
+            </enable>
+        </collect>
     </items>
 </model>