Decrease log level to debug (#70)

src/Jaeger/Config.php

@@ -105,7 +105,7 @@ public function getServiceName(): string
     private function initializeGlobalTracer(Tracer $tracer)
     {
         GlobalTracer::set($tracer);
-        $this->logger->info('OpenTracing\GlobalTracer initialized to ' . $tracer->getServiceName());
+        $this->logger->debug('OpenTracing\GlobalTracer initialized to ' . $tracer->getServiceName());
     }
 
     /**
@@ -173,7 +173,7 @@ private function getLocalAgentSender(): UdpSender
         $protocol = new TCompactProtocol($transport);
         $client = new AgentClient($protocol);
 
-        $this->logger->info('Initializing Jaeger Tracer with UDP reporter');
+        $this->logger->debug('Initializing Jaeger Tracer with UDP reporter');
 
         return new UdpSender($client, $this->getMaxBufferLength(), $this->logger);
     }

src/Jaeger/Reporter/LoggingReporter.php

@@ -34,7 +34,7 @@ public function __construct(LoggerInterface $logger = null)
      */
     public function reportSpan(Span $span)
     {
-        $this->logger->info('Reporting span ' . $span->getOperationName());
+        $this->logger->debug('Reporting span ' . $span->getOperationName());
     }
 
     /**

tests/Jaeger/Reporter/LoggingReporterTest.php

@@ -22,7 +22,7 @@ public function shouldReportSpan()
         $reporter = new LoggingReporter($logger);
 
         $logger->expects($this->once())
-            ->method('info')
+            ->method('debug')
             ->with($this->stringStartsWith('Reporting span'));
 
         $reporter->reportSpan($span);