Add GitLab Runner service to GitLab QA

qa/qa.rb

@@ -126,10 +126,13 @@ module QA
   end
   ##
-  # Classes describing shell interaction with GitLab
+  # Classes describing services being part of GitLab and how we can interact
+  # with these services, like through the shell.
   #
-  module Shell
-    autoload :Omnibus, 'qa/shell/omnibus'
+  module Service
+    autoload :Shellable, 'qa/service/shellable'
+    autoload :Omnibus, 'qa/service/omnibus'
+    autoload :Runner, 'qa/service/runner'
   end
   ##

qa/qa/service/omnibus.rb

+module QA
+  module Service
+    class Omnibus
+      include Scenario::Actable
+      include Service::Shellout
+
+      def initialize(container)
+        @name = container
+      end
+
+      def gitlab_ctl(command, input: nil)
+        if input.nil?
+          shell "docker exec #{@name} gitlab-ctl #{command}"
+        else
+          shell "docker exec #{@name} bash -c '#{input} | gitlab-ctl #{command}'"
+        end
+      end
+    end
+  end
+end

qa/qa/service/runner.rb

+module QA
+  module Service
+    class Runner
+      include Scenario::Actable
+      include Service::Shellout
+
+      def initialize(image)
+        @image = image
+      end
+
+      def pull
+        shell "docker pull #{@image}"
+      end
+
+      def register(token)
+        raise NotImplementedError
+      end
+
+      def run
+        raise NotImplementedError
+      end
+
+      def remove
+        raise NotImplementedError
+      end
+    end
+  end
+end

qa/qa/shell/omnibus.rb → qa/qa/service/shellout.rb

 require 'open3'
 module QA
-  module Shell
-    class Omnibus
-      include Scenario::Actable
-
-      def initialize(container)
-        @name = container
-      end
-
-      def gitlab_ctl(command, input: nil)
-        if input.nil?
-          shell "docker exec #{@name} gitlab-ctl #{command}"
-        else
-          shell "docker exec #{@name} bash -c '#{input} | gitlab-ctl #{command}'"
-        end
-      end
-
-      private
-
+  module Service
+    module Shellout
       ##
       # TODO, make it possible to use generic QA framework classes
       # as a library - gitlab-org/gitlab-qa#94
@@ -30,7 +14,7 @@ module QA
           out.each { |line| puts line }
           if wait.value.exited? && wait.value.exitstatus.nonzero?
-            raise "Docker command `#{command}` failed!"
+            raise "Command `#{command}` failed!"
           end
         end
       end