From 5c209876ba2a6e78ee4b739b04799096c651061b Mon Sep 17 00:00:00 2001
From: Robert Speicher <robert@gitlab.com>
Date: Fri, 9 Feb 2018 16:07:00 +0000
Subject: Merge branch 'qa/gb/do-not-require-test-network-in-pipeline-tests'
 into 'master'

Do not attach runner to a non-exsiting network in QA

Closes gitlab-qa#180

See merge request gitlab-org/gitlab-ce!17028
---
 qa/qa/service/runner.rb   | 10 +++++++++-
 qa/qa/service/shellout.rb |  4 +++-
 2 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/qa/qa/service/runner.rb b/qa/qa/service/runner.rb
index d0ee33c69f2..c0352e0467a 100644
--- a/qa/qa/service/runner.rb
+++ b/qa/qa/service/runner.rb
@@ -15,6 +15,14 @@ module QA
         @tags = %w[qa test]
       end
 
+      def network
+        shell "docker network inspect #{@network}"
+      rescue CommandError
+        'bridge'
+      else
+        @network
+      end
+
       def pull
         shell "docker pull #{@image}"
       end
@@ -22,7 +30,7 @@ module QA
       def register!
         shell <<~CMD.tr("\n", ' ')
           docker run -d --rm --entrypoint=/bin/sh
-          --network #{@network} --name #{@name}
+          --network #{network} --name #{@name}
           -e CI_SERVER_URL=#{@address}
           -e REGISTER_NON_INTERACTIVE=true
           -e REGISTRATION_TOKEN=#{@token}
diff --git a/qa/qa/service/shellout.rb b/qa/qa/service/shellout.rb
index 898febde63c..76fb2af6319 100644
--- a/qa/qa/service/shellout.rb
+++ b/qa/qa/service/shellout.rb
@@ -3,6 +3,8 @@ require 'open3'
 module QA
   module Service
     module Shellout
+      CommandError = Class.new(StandardError)
+
       ##
       # TODO, make it possible to use generic QA framework classes
       # as a library - gitlab-org/gitlab-qa#94
@@ -14,7 +16,7 @@ module QA
           out.each { |line| puts line }
 
           if wait.value.exited? && wait.value.exitstatus.nonzero?
-            raise "Command `#{command}` failed!"
+            raise CommandError, "Command `#{command}` failed!"
           end
         end
       end
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