Generate ssh key on the fly for QA

qa/Gemfile

@@ -6,3 +6,4 @@ gem 'capybara-screenshot', '~> 1.0.18'
 gem 'rake', '~> 12.3.0'
 gem 'rspec', '~> 3.7'
 gem 'selenium-webdriver', '~> 3.8.0'
+gem 'net-ssh', require: false

qa/Gemfile.lock

@@ -24,6 +24,7 @@ GEM
     method_source (0.9.0)
     mini_mime (1.0.0)
     mini_portile2 (2.3.0)
+    net-ssh (4.1.0)
     nokogiri (1.8.1)
       mini_portile2 (~> 2.3.0)
     pry (0.11.3)
@@ -63,10 +64,11 @@ PLATFORMS
 DEPENDENCIES
   capybara (~> 2.16.1)
   capybara-screenshot (~> 1.0.18)
+  net-ssh
   pry-byebug (~> 3.5.1)
   rake (~> 12.3.0)
   rspec (~> 3.7)
   selenium-webdriver (~> 3.8.0)
 BUNDLED WITH
-   1.16.0
+   1.16.1

qa/qa.rb

@@ -11,6 +11,7 @@ module QA
     autoload :Scenario, 'qa/runtime/scenario'
     autoload :Browser, 'qa/runtime/browser'
     autoload :Env, 'qa/runtime/env'
+    autoload :RSAKey, 'qa/runtime/rsa_key'
   end
   ##

qa/qa/runtime/rsa_key.rb

+require 'net/ssh'
+require 'forwardable'
+
+module QA
+  module Runtime
+    class RSAKey
+      extend Forwardable
+
+      def initialize(bits = 4096)
+        @key = OpenSSL::PKey::RSA.new(bits)
+      end
+
+      attr_reader :key
+      def_delegators :@key, :fingerprint
+
+      def public_key
+        @public_key ||= "#{key.ssh_type} #{[key.to_blob].pack('m0')}"
+      end
+    end
+  end
+end

qa/qa/runtime/user.rb

@@ -10,17 +10,6 @@ module QA
       def password
         ENV['GITLAB_PASSWORD'] || '5iveL!fe'
       end
-
-      def ssh_key
-        <<~KEY.delete("\n")
-          ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDFf6RYK3qu/RKF/3ndJmL5xgMLp3O9
-          6x8lTay+QGZ0+9FnnAXMdUqBq/ZU6d/gyMB4IaW3nHzM1w049++yAB6UPCzMB8Uo27K5
-          /jyZCtj7Vm9PFNjF/8am1kp46c/SeYicQgQaSBdzIW3UDEa1Ef68qroOlvpi9PYZ/tA7
-          M0YP0K5PXX+E36zaIRnJVMPT3f2k+GnrxtjafZrwFdpOP/Fol5BQLBgcsyiU+LM1SuaC
-          rzd8c9vyaTA1CxrkxaZh+buAi0PmdDtaDrHd42gqZkXCKavyvgM5o2CkQ5LJHCgzpXy0
-          5qNFzmThBSkb+XtoxbyagBiGbVZtSVow6Xa7qewz= dummy@gitlab.com
-        KEY
-      end
     end
   end
 end

qa/qa/specs/features/project/add_deploy_key_spec.rb

 module QA
   feature 'deploy keys support', :core do
     given(:deploy_key_title) { 'deploy key title' }
-    given(:deploy_key_value) { Runtime::User.ssh_key }
+    given(:deploy_key_value) { Runtime::RSAKey.new.public_key }
     scenario 'user adds a deploy key' do
       Runtime::Browser.visit(:gitlab, Page::Main::Login)