DNS

app/Filament/Admin/Resources/DnsSettingResource.php

@@ -26,9 +26,12 @@ public static function form(Form $form): Form
                 Forms\Components\TextInput::make('domain_id')
                     ->required()
                     ->numeric(),
-                Forms\Components\TextInput::make('record_type')
-                    ->required()
-                    ->maxLength(255),
+                Forms\Components\Select::make('record_type')
+                    ->options([
+                        'A' => 'A',
+                        'MX' => 'MX',
+                    ])
+                    ->required(),
                 Forms\Components\TextInput::make('name')
                     ->required()
                     ->maxLength(255),

app/Listeners/UpdateBindDnsRecords.php

@@ -0,0 +1,43 @@
+<?php
+
+namespace App\Listeners;
+
+use App\Events\DnsSettingSaved;
+use Illuminate\Contracts\Queue\ShouldQueue;
+use Illuminate\Support\Facades\Log;
+
+class UpdateBindDnsRecords implements ShouldQueue
+{
+    /**
+     * Handle the event.
+     *
+     * @param  \App\Events\DnsSettingSaved  $event
+     * @return void
+     */
+    public function handle(DnsSettingSaved $event)
+    {
+        $dnsSetting = $event->dnsSetting;
+
+        try {
+            $domain = $dnsSetting->domain->name;
+            $recordType = $dnsSetting->record_type;
+            $recordName = $dnsSetting->name;
+            $recordValue = $dnsSetting->value;
+            $ttl = $dnsSetting->ttl;
+
+            $zoneFile = "./bind/records/{$domain}.db";
+
+            if ($recordType === 'A') {
+                $recordLine = "{$recordName} {$ttl} IN A {$recordValue}";
+            } elseif ($recordType === 'MX') {
+                $recordLine = "{$domain}. {$ttl} IN MX 10 {$recordValue}.";
+            }
+
+            file_put_contents($zoneFile, $recordLine . "\n", FILE_APPEND);
+
+            exec('docker-compose restart bind9');
+        } catch (\Exception $e) {
+            Log::error('Failed to update Bind9 DNS records: ' . $e->getMessage());
+        }
+    }
+}

app/Models/DnsSetting.php

@@ -2,13 +2,26 @@
 
 namespace App\Models;
 
+use App\Events\DnsSettingSaved;
 use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Model;
 
 class DnsSetting extends Model
 {
     use HasFactory;
 
+    /**
+     * The "booted" method of the model.
+     *
+     * @return void
+     */
+    protected static function booted()
+    {
+        static::saved(function ($dnsSetting) {
+            event(new DnsSettingSaved($dnsSetting));
+        });
+    }
+
     /**
      * The table associated with the model.
      *
@@ -28,6 +41,15 @@ class DnsSetting extends Model
         'value',
         'ttl',
     ];
+
+    /**
+     * The validation rules for the model attributes.
+     *
+     * @var array
+     */
+    public $rules = [
+        'record_type' => 'required|in:A,MX',
+    ];
 
     /**
      * The attributes that should be cast.

app/Providers/DnsSettingSaved.php

@@ -0,0 +1,29 @@
+<?php
+
+namespace App\Events;
+
+use App\Models\DnsSetting;
+use Illuminate\Foundation\Events\Dispatchable;
+
+class DnsSettingSaved
+{
+    use Dispatchable;
+
+    /**
+     * The DnsSetting instance.
+     *
+     * @var \App\Models\DnsSetting
+     */
+    public $dnsSetting;
+
+    /**
+     * Create a new event instance.
+     *
+     * @param  \App\Models\DnsSetting  $dnsSetting
+     * @return void
+     */
+    public function __construct(DnsSetting $dnsSetting)
+    {
+        $this->dnsSetting = $dnsSetting;
+    }
+}

app/Providers/EventServiceProvider.php

@@ -9,6 +9,9 @@
 
 class EventServiceProvider extends ServiceProvider
 {
+    use App\Events\DnsSettingSaved;
+    use App\Listeners\UpdateBindDnsRecords;
+
     /**
      * The event to listener mappings for the application.
      *
@@ -18,6 +21,9 @@ class EventServiceProvider extends ServiceProvider
         Registered::class => [
             SendEmailVerificationNotification::class,
         ],
+        DnsSettingSaved::class => [
+            UpdateBindDnsRecords::class,
+        ],
     ];
 
     /**