[11.x] Add --json flag to queue:work command for structured logging

src/Illuminate/Queue/Console/WorkCommand.php

@@ -15,6 +15,7 @@
 use Illuminate\Support\InteractsWithTime;
 use Symfony\Component\Console\Attribute\AsCommand;
 use Symfony\Component\Console\Terminal;
+use Throwable;
 
 use function Termwind\terminal;
 
@@ -44,7 +45,8 @@ class WorkCommand extends Command
                             {--sleep=3 : Number of seconds to sleep when no job is available}
                             {--rest=0 : Number of seconds to rest between jobs}
                             {--timeout=60 : The number of seconds a child process can run}
-                            {--tries=1 : Number of times to attempt a job before logging it failed}';
+                            {--tries=1 : Number of times to attempt a job before logging it failed}
+                            {--json : Output the queue worker information as JSON}';
 
     /**
      * The console command description.
@@ -113,7 +115,7 @@ public function handle()
         // connection being run for the queue operation currently being executed.
         $queue = $this->getQueue($connection);
 
-        if (Terminal::hasSttyAvailable()) {
+        if (! $this->option('json') && Terminal::hasSttyAvailable()) {
             $this->components->info(
                 sprintf('Processing jobs from the [%s] %s.', $queue, str('queue')->plural(explode(',', $queue)))
             );
@@ -183,20 +185,35 @@ protected function listenForEvents()
         });
 
         $this->laravel['events']->listen(JobFailed::class, function ($event) {
-            $this->writeOutput($event->job, 'failed');
+            $this->writeOutput($event->job, 'failed', $event->exception);
 
             $this->logFailedJob($event);
         });
     }
 
+    /**
+     * Write the status output for the queue worker for JSON or TTY.
+     *
+     * @param  Job  $job
+     * @param  string  $status
+     * @param  Throwable|null  $exception
+     * @return void
+     */
+    protected function writeOutput(Job $job, $status, Throwable $exception = null)
+    {
+        $this->option('json')
+            ? $this->writeOutputAsJson($job, $status, $exception)
+            : $this->writeOutputForCli($job, $status);
+    }
+
     /**
      * Write the status output for the queue worker.
      *
      * @param  \Illuminate\Contracts\Queue\Job  $job
      * @param  string  $status
      * @return void
      */
-    protected function writeOutput(Job $job, $status)
+    protected function writeOutputForCli(Job $job, $status)
     {
         $this->output->write(sprintf(
             '  <fg=gray>%s</> %s%s',
@@ -235,6 +252,45 @@ protected function writeOutput(Job $job, $status)
         });
     }
 
+    /**
+     * Write the status output for the queue worker in JSON format.
+     *
+     * @param  \Illuminate\Contracts\Queue\Job  $job
+     * @param  string  $status
+     * @param  Throwable|null  $exception
+     * @return void
+     */
+    protected function writeOutputAsJson(Job $job, $status, Throwable $exception = null)
+    {
+        $log = array_filter([
+            'level' => $status === 'starting' || $status === 'success' ? 'info' : 'warning',
+            'id' => $job->getJobId(),
+            'uuid' => $job->uuid(),
+            'connection' => $job->getConnectionName(),
+            'queue' => $job->getQueue(),
+            'job' => $job->resolveName(),
+            'status' => $status,
+            'result' => match (true) {
+                $job->isDeleted() => 'deleted',
+                $job->isReleased() => 'released',
+                $job->hasFailed() => 'failed',
+                default => '',
+            },
+            'attempts' => $job->attempts(),
+            'exception' => $exception ? $exception::class : '',
+            'message' => $exception?->getMessage(),
+            'timestamp' => $this->now()->format('Y-m-d\TH:i:s.uP'),
+        ]);
+
+        if ($status === 'starting') {
+            $this->latestStartedAt = microtime(true);
+        } else {
+            $log['duration'] = round(microtime(true) - $this->latestStartedAt, 6);
+        }
+
+        $this->output->writeln(json_encode($log));
+    }
+
     /**
      * Get the current date / time.
      *