MCLOUD-5563: Add information about warm-up concurrency into log (magento#773)

Author: NadiyaS

src/Step/PostDeploy/WarmUp.php

@@ -67,9 +67,21 @@ public function __construct(
     public function execute()
     {
         try {
-            $this->logger->info('Starting page warming up');
+            $this->logger->info('Starting page warmup');
             $config = [];
 
+            $concurrency = $this->postDeploy->get(PostDeployInterface::VAR_WARM_UP_CONCURRENCY);
+            if ($concurrency) {
+                $config['concurrency'] = $concurrency;
+                $this->logger->info(
+                    sprintf(
+                        'Warmup concurrency set to %s as specified by the %s configuration',
+                        $concurrency,
+                        PostDeployInterface::VAR_WARM_UP_CONCURRENCY
+                    )
+                );
+            }
+
             $urls = $this->urls->getAll();
 
             $config['fulfilled'] = function ($response, $index) use ($urls) {
@@ -95,11 +107,6 @@ public function execute()
                 $this->logger->error('Warming up failed: ' . $urls[$index], $context);
             };
 
-            $concurrency = $this->postDeploy->get(PostDeployInterface::VAR_WARM_UP_CONCURRENCY);
-            if ($concurrency) {
-                $config['concurrency'] = $concurrency;
-            }
-
             $pool = $this->poolFactory->create($urls, $config);
 
             /** @var PromiseInterface $promise */

src/Test/Unit/Step/PostDeploy/WarmUpTest.php

@@ -185,6 +185,14 @@ public function testExecuteWithConcurrency()
         ];
         $concurrency = 2;
 
+        $this->loggerMock->expects($this->any())
+            ->method('info')
+            ->withConsecutive(
+                ['Starting page warmup'],
+                ['Warmup concurrency set to ' . $concurrency . ' as specified by the '
+                    . PostDeployInterface::VAR_WARM_UP_CONCURRENCY . ' configuration']
+            );
+
         $this->urlsMock->method('getAll')
             ->willReturn($urls);
         $this->postDeployMock->method('get')