Added ssl_verification parameter to the connections configuration

Author: pmishev

src/DependencyInjection/Configuration.php

@@ -93,6 +93,10 @@ private function getConnectionsNode(): NodeDefinition
                         ->prototype('scalar')
                         ->end()
                     ->end()
+                    ->scalarNode('ssl_verification')
+                        ->defaultNull()
+                        ->info('Set to true to enable SSL certificate verification and use the default CA bundle provided by operating system or provide the path to a CA bundle to enable verification using a custom certificate')
+                    ->end()
                     ->scalarNode('profiling')
                         ->defaultTrue()
                         ->info('Enable/disable profiling.')

src/Manager/ConnectionManager.php

@@ -112,6 +112,9 @@ public function getClient(): Client
         if (!$this->client) {
             $clientBuilder = ClientBuilder::create();
             $clientBuilder->setHosts($this->connectionSettings['hosts']);
+            if (isset($this->connectionSettings['ssl_verification'])) {
+                $clientBuilder->setSSLVerification($this->connectionSettings['ssl_verification']);
+            }
             if ($this->tracer && $this->kernelDebug) {
                 $clientBuilder->setTracer($this->tracer);
             }