Add port mapping to gitlab docker instance

lib/gitlab/qa/component/base.rb

@@ -7,13 +7,14 @@ module Gitlab
         include Scenario::Actable
         attr_reader :docker
-        attr_accessor :volumes, :network, :environment, :runner_network
+        attr_accessor :volumes, :ports, :network, :environment, :runner_network
         attr_writer :name, :exec_commands
         def initialize
           @docker = Docker::Engine.new
           @environment = {}
           @volumes = {}
+          @ports = []
           @network_aliases = []
           @exec_commands = []
         end
@@ -85,6 +86,10 @@ module Gitlab
             command << "--net #{network}"
             command << "--hostname #{hostname}"
+            @ports.each do |mapping|
+              command.port(mapping)
+            end
+
             @volumes.to_h.each do |to, from|
               command.volume(to, from, 'Z')
             end

lib/gitlab/qa/component/gitlab.rb

@@ -84,8 +84,8 @@ module Gitlab
           tls ? 'https' : 'http'
         end
-        def port
-          tls ? '443:443' : '80'
+        def gitlab_port
+          tls ? ["443:443"] : ["80"]
         end
         def gitaly_tls
@@ -136,11 +136,15 @@ module Gitlab
           ensure_configured!
           docker.run(image: image, tag: tag) do |command|
-            command << "-d -p #{port}"
+            command << "-d"
             command << "--name #{name}"
             command << "--net #{network}"
             command << "--hostname #{hostname}"
+            [*@ports, *gitlab_port].each do |mapping|
+              command.port(mapping)
+            end
+
             @volumes.to_h.each do |to, from|
               command.volume(to, from, 'Z')
             end
@@ -179,7 +183,7 @@ module Gitlab
             name,
             relative_path: relative_path,
             scheme: scheme,
-            protocol_port: port.to_i
+            protocol_port: gitlab_port.first.to_i
           )
           Runtime::Logger.info("Waiting for GitLab to become healthy ...")

lib/gitlab/qa/docker/command.rb

@@ -33,6 +33,10 @@ module Gitlab
           tap { @args.push(%(--env #{name}="#{value}")) }
         end
+        def port(mapping)
+          tap { @args.push("-p #{mapping}") }
+        end
+
         def to_s
           "docker #{@args.join(' ')}"
         end

spec/gitlab/qa/component/gitlab_spec.rb

@@ -101,7 +101,7 @@ module Gitlab
         it 'should dynamically bind HTTP port' do
           subject.start
-          expect(docker).to have_received(:<<).with('-d -p 80')
+          expect(docker).to have_received(:port).with("80")
         end
         it 'should specify the name' do