Don't run schedules when a server is suspended or installing; closes #4008

app/Console/Commands/Schedule/ProcessRunnableCommand.php

@@ -7,6 +7,7 @@ use Throwable;
 use Illuminate\Console\Command;
 use Pterodactyl\Models\Schedule;
 use Illuminate\Support\Facades\Log;
+use Illuminate\Database\Eloquent\Builder;
 use Pterodactyl\Services\Schedules\ProcessScheduleService;
 
 class ProcessRunnableCommand extends Command
@@ -26,7 +27,9 @@ class ProcessRunnableCommand extends Command
      */
     public function handle()
     {
-        $schedules = Schedule::query()->with('tasks')
+        $schedules = Schedule::query()
+            ->with('tasks')
+            ->whereRelation('server', fn (Builder $builder) => $builder->whereNull('status'))
             ->where('is_active', true)
             ->where('is_processing', false)
             ->whereRaw('next_run_at <= NOW()')

app/Jobs/Schedule/RunTaskJob.php

@@ -61,6 +61,16 @@ class RunTaskJob extends Job implements ShouldQueue
         }
 
         $server = $this->task->server;
+        // If we made it to this point and the server status is not null it means the
+        // server was likely suspended or marked as reinstalling after the schedule
+        // was queued up. Just end the task right now — this should be a very rare
+        // condition.
+        if (!is_null($server->status)) {
+            $this->failed();
+
+            return;
+        }
+
         // Perform the provided task against the daemon.
         try {
             switch ($this->task->action) {

tests/Integration/Jobs/Schedule/RunTaskJobTest.php

@@ -3,6 +3,8 @@
 namespace Pterodactyl\Tests\Integration\Jobs\Schedule;
 
 use Mockery;
+use Carbon\Carbon;
+use DateTimeInterface;
 use Carbon\CarbonImmutable;
 use GuzzleHttp\Psr7\Request;
 use Pterodactyl\Models\Task;
@@ -146,6 +148,36 @@ class RunTaskJobTest extends IntegrationTestCase
         }
     }
 
+    /**
+     * Test that a schedule is not executed if the server is suspended.
+     *
+     * @see https://github.com/pterodactyl/panel/issues/4008
+     */
+    public function testTaskIsNotRunIfServerIsSuspended()
+    {
+        $server = $this->createServerModel([
+            'status' => Server::STATUS_SUSPENDED,
+        ]);
+
+        $schedule = Schedule::factory()->for($server)->create([
+            'last_run_at' => Carbon::now()->subHour(),
+        ]);
+
+        $task = Task::factory()->for($schedule)->create([
+            'action' => Task::ACTION_POWER,
+            'payload' => 'start',
+        ]);
+
+        Bus::dispatchNow(new RunTaskJob($task));
+
+        $task->refresh();
+        $schedule->refresh();
+
+        $this->assertFalse($task->is_queued);
+        $this->assertFalse($schedule->is_processing);
+        $this->assertTrue(Carbon::now()->isSameAs(DateTimeInterface::ATOM, $schedule->last_run_at));
+    }
+
     /**
      * @return array
      */