Mount knapsack reports for all spec runs

lib/gitlab/qa/component/specs.rb

@@ -14,8 +14,12 @@ module Gitlab
         def initialize
           @docker = Docker::Engine.new(stream_output: true) # stream test output directly instead of through logger
-          @volumes = {}
           @env = {}
+          @volumes = {}
+          @default_volumes = {
+            '/var/run/docker.sock' => '/var/run/docker.sock',
+            Runtime::Env.qa_knapsack_report_path => File.join(Docker::Volumes::QA_CONTAINER_WORKDIR, 'knapsack')
+          }.compact
         end
         def perform
@@ -59,12 +63,12 @@ module Gitlab
                 command.env(key, value)
               end
-              command.volume('/var/run/docker.sock', '/var/run/docker.sock')
-              command.volume(File.join(Runtime::Env.host_artifacts_dir, name), File.join(Docker::Volumes::QA_CONTAINER_WORKDIR, 'tmp'))
-              @volumes.to_h.each do |to, from|
-                command.volume(to, from)
-              end
+              command.volume(
+                File.join(Runtime::Env.host_artifacts_dir, name),
+                File.join(Docker::Volumes::QA_CONTAINER_WORKDIR, 'tmp')
+              )
+              volumes.to_h.merge(default_volumes).each { |to, from| command.volume(to, from) }
               command.name(name)
             end
@@ -73,6 +77,8 @@ module Gitlab
         private
+        attr_reader :default_volumes
+
         def docker_pull_qa_image_if_needed
           @docker.login(**release.login_params) if release.login_params

lib/gitlab/qa/runtime/env.rb

@@ -81,6 +81,7 @@ module Gitlab
           'KNAPSACK_TEST_FILE_PATTERN' => :knapsack_test_file_pattern,
           'KNAPSACK_TEST_DIR' => :knapsack_test_dir,
           'QA_KNAPSACK_REPORT_GCS_CREDENTIALS' => :qa_knapsack_report_gcs_credentials,
+          'QA_KNAPSACK_REPORT_PATH' => :qa_knapsack_report_path,
           'CI' => :ci,
           'CI_COMMIT_REF_NAME' => :ci_commit_ref_name,
           'CI_JOB_NAME' => :ci_job_name,

lib/gitlab/qa/scenario/test/instance/deployment_base.rb

@@ -29,7 +29,6 @@ module Gitlab
                 specs.suite = @suite
                 specs.release = release
                 specs.args = non_rspec_args.push(*args)
-                specs.volumes[host_knapsack_report_path] = "/home/gitlab/qa/knapsack" if host_knapsack_report_path
               end
             end
@@ -40,10 +39,6 @@ module Gitlab
             def deployment_component
               raise NotImplementedError, 'Please define the Component for the deployment environment associated with this scenario.'
             end
-
-            def host_knapsack_report_path
-              ENV["QA_KNAPSACK_REPORT_PATH"]
-            end
           end
         end
       end

spec/gitlab/qa/component/specs_spec.rb

@@ -25,11 +25,14 @@ describe Gitlab::QA::Component::Specs do
         .with('/var/run/docker.sock', '/var/run/docker.sock')
     end
-    it 'bind-mounds volume with screenshots in an appropriate directory' do
+    it 'bind-mounds volumes' do
       allow(SecureRandom).to receive(:hex).and_return('def456')
       allow(Gitlab::QA::Runtime::Env)
         .to receive(:host_artifacts_dir)
         .and_return('/tmp/gitlab-qa/gitlab-qa-run-2018-07-11-10-00-00-abc123')
+      allow(Gitlab::QA::Runtime::Env)
+        .to receive(:qa_knapsack_report_path)
+        .and_return('/qa/knapsack')
       release = double('release', edition: :ce, project_name: 'gitlab-ce', qa_image: 'gitlab-ce-qa', qa_tag: 'latest')
       allow(release)
@@ -45,6 +48,8 @@ describe Gitlab::QA::Component::Specs do
         .with('/var/run/docker.sock', '/var/run/docker.sock')
       expect(docker_command).to have_received(:volume)
         .with('/tmp/gitlab-qa/gitlab-qa-run-2018-07-11-10-00-00-abc123/gitlab-ce-qa-def456', File.join(Gitlab::QA::Docker::Volumes::QA_CONTAINER_WORKDIR, 'tmp'))
+      expect(docker_command).to have_received(:volume)
+        .with('/qa/knapsack', File.join(Gitlab::QA::Docker::Volumes::QA_CONTAINER_WORKDIR, 'knapsack'))
     end
     context 'when preparing QA image' do