MQE-1600: MFTF Vault integration

- Downgrade vault php version to be compatible to php 7.0

Author: jilu1

composer.json

@@ -14,7 +14,7 @@
         "allure-framework/allure-codeception": "~1.3.0",
         "codeception/codeception": "~2.3.4 || ~2.4.0 ",
         "consolidation/robo": "^1.0.0",
-        "csharpru/vault-php": "^3.6",
+        "csharpru/vault-php": "~3.5.3",
         "csharpru/vault-php-guzzle6-transport": "^2.0",
         "flow/jsonpath": ">0.2",
         "fzaninotto/faker": "^1.6",

composer.lock

@@ -9,7 +9,6 @@
 use Magento\FunctionalTestingFramework\Config\MftfApplicationConfig;
 use Magento\FunctionalTestingFramework\Exceptions\TestFrameworkException;
 use Magento\FunctionalTestingFramework\Util\Logger\LoggingUtil;
-use Vault\AuthenticationStrategies\TokenAuthenticationStrategy;
 use Vault\Client;
 use VaultTransports\Guzzle6Transport;
 
@@ -111,7 +110,7 @@ private function authenticated()
         try {
             // Authenticating using token auth backend
             $authenticated = $this->client
-                ->setAuthenticationStrategy(new TokenAuthenticationStrategy($this->token))
+                ->setAuthenticationStrategy(new VaultTokenAuthStrategy($this->token))
                 ->authenticate();
 
             if ($authenticated) {

src/Magento/FunctionalTestingFramework/DataGenerator/Handlers/SecretStorage/VaultStorage.php

@@ -0,0 +1,47 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+
+namespace Magento\FunctionalTestingFramework\DataGenerator\Handlers\SecretStorage;
+
+use Magento\FunctionalTestingFramework\Exceptions\TestFrameworkException;
+use Vault\AuthenticationStrategies\AbstractAuthenticationStrategy;
+use Vault\ResponseModels\Auth;
+
+/**
+ * Class VaultTokenAuthStrategy
+ */
+class VaultTokenAuthStrategy extends AbstractAuthenticationStrategy
+{
+    /**
+     * @var string
+     */
+    protected $token;
+
+    /**
+     * VaultTokenAuthStrategy constructor
+     *
+     * @param string $token
+     */
+    public function __construct($token)
+    {
+        $this->token = $token;
+    }
+
+    /**
+     * Returns auth for further interactions with Vault
+     *
+     * @return Auth
+     * @throws TestFrameworkException
+     */
+    public function authenticate()
+    {
+        try {
+            return new Auth(['clientToken' => $this->token]);
+        } catch (\Exception $e) {
+            throw new TestFrameworkException("Cannot authenticate Vault token.");
+        }
+    }
+}