netplan

00-stream.yaml

@@ -0,0 +1,9 @@
+network:
+  version: 2
+  renderer: networkd
+  ethernets:
+    eth:
+      match:
+        name: enx*
+      addresses:
+      - 172.16.111.111/24

encoder/network.php

@@ -1,6 +1,14 @@
 <?php include 'header.php'; ?>
 <?php
 
+function rollback(): void
+{
+    exec("sudo rm -rf /etc/netplan/*");
+    exec("sudo cp -a /etc/netplan.backup/* /etc/netplan/");
+    exec("sudo netplan generate");
+    exec("sudo netplan apply");
+}
+
 $jsonFile = __DIR__ . '/network.json';
 $iface = find_first_physical_ethernet();
 
@@ -121,6 +129,20 @@ if ($_SERVER['REQUEST_METHOD'] === 'POST') {
         if (validate_config($data)) {
             file_put_contents('/var/www/50-cloud-init.yaml', netplan_yaml(generate_netplan($data, $iface)));
         }
+
+        $netplanDir = '/etc/netplan';
+        $backupDir  = '/etc/netplan.backup';
+
+        exec("sudo rm -rf $backupDir");
+        exec("sudo cp -a $netplanDir $backupDir", $out, $rc);
+
+        exec("sudo cp /var/www/50-cloud-init.yaml /etc/netplan/50-cloud-init.yaml");
+        exec("sudo cp /var/www/00-stream.yaml /etc/netplan/00-stream.yaml");
+
+        exec("sudo netplan generate 2>&1", $out, $rc);
+        if ($rc !== 0) {
+            rollback();
+        }
     }
 }
 

install.sh

@@ -391,6 +391,7 @@ sudo cp -r html/* /var/www/html/
 sudo cp -r encoder/* /var/www/encoder/
 sudo cp private.pem /var/www/
 sudo cp public.pem /var/www/
+sudo cp 00-stream.yaml /var/www/
 
 sudo a2enmod ssl
 sudo systemctl enable apache2