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) {