Add latest changes from gitlab-org/gitlab@12-6-stable-ee

app/finders/clusters/knative_serving_namespace_finder.rb

@@ -12,6 +12,14 @@ module Clusters
       cluster.kubeclient&.get_namespace(Clusters::Kubernetes::KNATIVE_SERVING_NAMESPACE)
     rescue Kubeclient::ResourceNotFoundError
       nil
+    rescue Kubeclient::HttpError => e
+      # If the kubernetes auth engine is enabled, it will return 403
+      if e.error_code == 403
+        Gitlab::ErrorTracking.track_exception(e)
+        nil
+      else
+        raise
+      end
     end
   end
 end

app/models/ci/pipeline.rb

@@ -32,6 +32,7 @@ module Ci
 
     has_many :stages, -> { order(position: :asc) }, inverse_of: :pipeline
     has_many :statuses, class_name: 'CommitStatus', foreign_key: :commit_id, inverse_of: :pipeline
+    has_many :latest_statuses_ordered_by_stage, -> { latest.order(:stage_idx, :stage) }, class_name: 'CommitStatus', foreign_key: :commit_id, inverse_of: :pipeline
     has_many :processables, -> { processables },
              class_name: 'CommitStatus', foreign_key: :commit_id, inverse_of: :pipeline
     has_many :builds, foreign_key: :commit_id, inverse_of: :pipeline
@@ -45,6 +46,7 @@ module Ci
     has_many :merge_requests_as_head_pipeline, foreign_key: "head_pipeline_id", class_name: 'MergeRequest'
 
     has_many :pending_builds, -> { pending }, foreign_key: :commit_id, class_name: 'Ci::Build'
+    has_many :failed_builds, -> { latest.failed }, foreign_key: :commit_id, class_name: 'Ci::Build', inverse_of: :pipeline
     has_many :retryable_builds, -> { latest.failed_or_canceled.includes(:project) }, foreign_key: :commit_id, class_name: 'Ci::Build'
     has_many :cancelable_statuses, -> { cancelable }, foreign_key: :commit_id, class_name: 'CommitStatus'
     has_many :manual_actions, -> { latest.manual_actions.includes(:project) }, foreign_key: :commit_id, class_name: 'Ci::Build'
@@ -377,9 +379,7 @@ module Ci
     end
 
     def legacy_stages_using_composite_status
-      stages = statuses.latest
-        .order(:stage_idx, :stage)
-        .group_by(&:stage)
+      stages = latest_statuses_ordered_by_stage.group_by(&:stage)
 
       stages.map do |stage_name, jobs|
         composite_status = Gitlab::Ci::Status::Composite

app/serializers/pipeline_entity.rb

@@ -78,7 +78,7 @@ class PipelineEntity < Grape::Entity
   end
 
   expose :failed_builds, if: -> (*) { can_retry? }, using: JobEntity do |pipeline|
-    pipeline.builds.failed
+    pipeline.failed_builds
   end
 
   private

app/serializers/pipeline_serializer.rb

@@ -40,7 +40,11 @@ class PipelineSerializer < BaseSerializer
 
   def preloaded_relations
     [
+      :latest_statuses_ordered_by_stage,
       :stages,
+      {
+        failed_builds: %i(project metadata)
+      },
       :retryable_builds,
       :cancelable_statuses,
       :trigger_requests,
@@ -48,6 +52,7 @@ class PipelineSerializer < BaseSerializer
       :scheduled_actions,
       :artifacts,
       :merge_request,
+      :user,
       {
         pending_builds: :project,
         project: [:route, { namespace: :route }],

changelogs/unreleased/121714-fix-sentry-stack-trace-highlight-for-php.yml

+---
+title: Fix stack trace highlight for PHP
+merge_request: 22258
+author:
+type: fixed

changelogs/unreleased/alexives-119379-handle_http_error_instead_of_not_found.yml

+---
+title: Handle forbidden error when checking for knative
+merge_request: 22170
+author:
+type: fixed

changelogs/unreleased/sh-optimize-pipeline-sql.yml

+---
+title: Eliminate N+1 queries in PipelinesController#index
+merge_request: 22189
+author:
+type: performance

doc/api/issue_links.md

@@ -57,7 +57,7 @@ Parameters:
 Creates a two-way relation between two issues. User must be allowed to update both issues in order to succeed.
 
 ```
-POST /projects/:id/issues/:issue_iid/links/:target_project_id/:target_issue_iid
+POST /projects/:id/issues/:issue_iid/links
 ```
 
 | Attribute   | Type    | Required | Description                          |
@@ -67,6 +67,12 @@ POST /projects/:id/issues/:issue_iid/links/:target_project_id/:target_issue_iid
 | `target_project_id` | integer/string | yes      | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) of a target project  |
 | `target_issue_iid` | integer/string | yes      | The internal ID of a target project's issue |
 
+```bash
+curl --request POST --header "PRIVATE-TOKEN: <your_access_token>" "https://gitlab.example.com/api/v4/projects/4/issues/1/links?target_project_id=5&target_issue_iid=1"
+```
+
+Example response:
+
 ```json
 {
   "source_issue" : {

doc/user/project/repository/index.md

@@ -116,6 +116,35 @@ rendered to HTML when viewed.
 Interactive features, including JavaScript plots, will not work when viewed in
 GitLab.
 
+### OpenAPI viewer
+
+> [Introduced](https://gitlab.com/gitlab-org/gitlab/issues/19515) in GitLab 12.6.
+
+GitLab can render OpenAPI specification files with its file viewer, provided
+their filenames include `openapi` or `swagger` and their extension is `yaml`,
+`yml`, or `json`. The following examples are all correct:
+
+- `openapi.yml`
+- `openapi.yaml`
+- `openapi.json`
+- `swagger.yml`
+- `swagger.yaml`
+- `swagger.json`
+- `gitlab_swagger.yml`
+- `openapi_gitlab.yml`
+- `OpenAPI.YML`
+- `openapi.Yaml`
+- `openapi.JSON`
+- `openapi.gitlab.yml`
+- `gitlab.openapi.yml`
+
+Then, to render them:
+
+1. Navigate to the OpenAPI file in your repository in GitLab's UI.
+1. Click the "Display OpenAPI" button which is located between the "Display source"
+   and "Edit" buttons (when an OpenAPI file is found, it replaces the
+   "Display rendered file" button).
+
 ## Branches
 
 For details, see [Branches](branches/index.md).

lib/gitlab/error_tracking/stack_trace_highlight_decorator.rb

@@ -28,7 +28,7 @@ module Gitlab
       end
 
       def highlight_entry_context(filename, context)
-        language = Rouge::Lexer.guess_by_filename(filename).tag
+        language = guess_language_by_filename(filename)
 
         context.map do |line_number, line_of_code|
           [
@@ -38,6 +38,12 @@ module Gitlab
           ]
         end
       end
+
+      def guess_language_by_filename(filename)
+        Rouge::Lexer.guess_by_filename(filename).tag
+      rescue Rouge::Guesser::Ambiguous => e
+        e.alternatives.min_by(&:tag)&.tag
+      end
     end
   end
 end

spec/controllers/projects/pipelines_controller_spec.rb

@@ -6,7 +6,7 @@ describe Projects::PipelinesController do
   include ApiHelpers
 
   let_it_be(:user) { create(:user) }
-  let(:project) { create(:project, :public, :repository) }
+  let_it_be(:project) { create(:project, :public, :repository) }
   let(:feature) { ProjectFeature::ENABLED }
 
   before do
@@ -19,12 +19,12 @@ describe Projects::PipelinesController do
 
   describe 'GET index.json' do
     before do
-      %w(pending running success failed canceled).each_with_index do |status, index|
-        create_pipeline(status, project.commit("HEAD~#{index}"))
-      end
+      create_all_pipeline_types
     end
 
     context 'when using persisted stages', :request_store do
+      render_views
+
       before do
         stub_feature_flags(ci_pipeline_persisted_stages: true)
       end
@@ -32,9 +32,7 @@ describe Projects::PipelinesController do
       it 'returns serialized pipelines', :request_store do
         expect(::Gitlab::GitalyClient).to receive(:allow_ref_name_caching).and_call_original
 
-        queries = ActiveRecord::QueryRecorder.new do
-          get_pipelines_index_json
-        end
+        get_pipelines_index_json
 
         expect(response).to have_gitlab_http_status(:ok)
         expect(response).to match_response_schema('pipeline')
@@ -49,8 +47,22 @@ describe Projects::PipelinesController do
         json_response.dig('pipelines', 0, 'details', 'stages').tap do |stages|
           expect(stages.count).to eq 3
         end
+      end
+
+      it 'does not execute N+1 queries' do
+        get_pipelines_index_json
+
+        control_count = ActiveRecord::QueryRecorder.new do
+          get_pipelines_index_json
+        end.count
 
-        expect(queries.count).to be
+        create_all_pipeline_types
+
+        # There appears to be one extra query for Pipelines#has_warnings? for some reason
+        expect { get_pipelines_index_json }.not_to exceed_query_limit(control_count + 1)
+
+        expect(response).to have_gitlab_http_status(:ok)
+        expect(json_response['pipelines'].count).to eq 10
       end
     end
 
@@ -133,19 +145,27 @@ describe Projects::PipelinesController do
                   format: :json
     end
 
+    def create_all_pipeline_types
+      %w(pending running success failed canceled).each_with_index do |status, index|
+        create_pipeline(status, project.commit("HEAD~#{index}"))
+      end
+    end
+
     def create_pipeline(status, sha)
+      user = create(:user)
       pipeline = create(:ci_empty_pipeline, status: status,
                                             project: project,
-                                            sha: sha)
+                                            sha: sha,
+                                            user: user)
 
-      create_build(pipeline, 'build', 1, 'build')
-      create_build(pipeline, 'test', 2, 'test')
-      create_build(pipeline, 'deploy', 3, 'deploy')
+      create_build(pipeline, 'build', 1, 'build', user)
+      create_build(pipeline, 'test', 2, 'test', user)
+      create_build(pipeline, 'deploy', 3, 'deploy', user)
     end
 
-    def create_build(pipeline, stage, stage_idx, name)
+    def create_build(pipeline, stage, stage_idx, name, user = nil)
       status = %w[created running pending success failed canceled].sample
-      create(:ci_build, pipeline: pipeline, stage: stage, stage_idx: stage_idx, name: name, status: status)
+      create(:ci_build, pipeline: pipeline, stage: stage, stage_idx: stage_idx, name: name, status: status, user: user)
     end
   end
 

spec/factories/error_tracking/error_event.rb

@@ -35,6 +35,16 @@ FactoryBot.define do
             [8, "}\n"]
           ]
         },
+        {
+          'function' => 'print',
+          'lineNo' => 3,
+          'filename' => 'hello_world.php',
+          'context' => [
+            [1, "// PHP/Hack example\n"],
+            [2, "<?php\n"],
+            [3, "echo 'Hello, World!';\n"]
+          ]
+        },
         {
           'filename' => 'blank.txt'
         }

spec/finders/clusters/knative_serving_namespace_finder_spec.rb

+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe Clusters::KnativeServingNamespaceFinder do
+  include KubernetesHelpers
+  let(:cluster) { create(:cluster, :project, :provided_by_gcp) }
+  let(:service) { environment.deployment_platform }
+  let(:project) { cluster.cluster_project.project }
+  let(:environment) { create(:environment, project: project) }
+
+  subject { described_class.new(cluster) }
+
+  before do
+    stub_kubeclient_discover(service.api_url)
+  end
+
+  it 'finds the namespace in a cluster where it exists' do
+    stub_kubeclient_get_namespace(service.api_url, namespace: Clusters::Kubernetes::KNATIVE_SERVING_NAMESPACE)
+    expect(subject.execute).to be_a Kubeclient::Resource
+  end
+
+  it 'returns nil in a cluster where it does not' do
+    stub_kubeclient_get_namespace(
+      service.api_url,
+        namespace: Clusters::Kubernetes::KNATIVE_SERVING_NAMESPACE,
+        response: {
+            status: [404, "Resource Not Found"]
+        }
+    )
+    expect(subject.execute).to be nil
+  end
+
+  it 'returns nil in a cluster where the lookup results in a 403 as it will in some versions of kubernetes' do
+    stub_kubeclient_get_namespace(
+      service.api_url,
+        namespace: Clusters::Kubernetes::KNATIVE_SERVING_NAMESPACE,
+        response: {
+            status: [403, "Resource Not Found"]
+        }
+    )
+    expect(subject.execute).to be nil
+  end
+
+  it 'raises an error if error code is not 404 or 403' do
+    stub_kubeclient_get_namespace(
+      service.api_url,
+        namespace: Clusters::Kubernetes::KNATIVE_SERVING_NAMESPACE,
+        response: {
+            status: [500, "Internal Server Error"]
+        }
+    )
+    expect { subject.execute }.to raise_error(Kubeclient::HttpError)
+  end
+end

spec/lib/gitlab/error_tracking/stack_trace_highlight_decorator_spec.rb

@@ -48,6 +48,16 @@ describe Gitlab::ErrorTracking::StackTraceHighlightDecorator do
               [8, '<span id="LC1" class="line" lang="swift"><span class="p">}</span></span>']
             ]
           },
+          {
+            'function' => 'print',
+            'lineNo' => 3,
+            'filename' => 'hello_world.php',
+              'context' => [
+                [1, '<span id="LC1" class="line" lang="hack"><span class="c1">// PHP/Hack example</span></span>'],
+                [2, '<span id="LC1" class="line" lang="hack"><span class="cp">&lt;?php</span></span>'],
+                [3, '<span id="LC1" class="line" lang="hack"><span class="k">echo</span> <span class="s1">\'Hello, World!\'</span><span class="p">;</span></span>']
+            ]
+          },
           {
             'filename' => 'blank.txt'
           }

spec/lib/gitlab/import_export/all_models.yml

@@ -160,6 +160,7 @@ ci_pipelines:
 - user
 - stages
 - statuses
+- latest_statuses_ordered_by_stage
 - builds
 - processables
 - trigger_requests
@@ -168,6 +169,7 @@ ci_pipelines:
 - auto_canceled_pipelines
 - auto_canceled_jobs
 - pending_builds
+- failed_builds
 - retryable_builds
 - cancelable_statuses
 - manual_actions

spec/serializers/pipeline_serializer_spec.rb

@@ -159,7 +159,7 @@ describe PipelineSerializer do
 
         it 'verifies number of queries', :request_store do
           recorded = ActiveRecord::QueryRecorder.new { subject }
-          expected_queries = Gitlab.ee? ? 38 : 35
+          expected_queries = Gitlab.ee? ? 42 : 39
 
           expect(recorded.count).to be_within(2).of(expected_queries)
           expect(recorded.cached_count).to eq(0)
@@ -180,7 +180,7 @@ describe PipelineSerializer do
           # pipeline. With the same ref this check is cached but if refs are
           # different then there is an extra query per ref
           # https://gitlab.com/gitlab-org/gitlab-foss/issues/46368
-          expected_queries = Gitlab.ee? ? 41 : 38
+          expected_queries = Gitlab.ee? ? 45 : 42
 
           expect(recorded.count).to be_within(2).of(expected_queries)
           expect(recorded.cached_count).to eq(0)

spec/support/helpers/kubernetes_helpers.rb

@@ -229,9 +229,9 @@ module KubernetesHelpers
       .to_return(kube_response(kube_v1_namespace_list_body))
   end
 
-  def stub_kubeclient_get_namespace(api_url, namespace: 'default')
+  def stub_kubeclient_get_namespace(api_url, namespace: 'default', response: kube_response({}))
     WebMock.stub_request(:get, api_url + "/api/v1/namespaces/#{namespace}")
-      .to_return(kube_response({}))
+      .to_return(response)
   end
 
   def stub_kubeclient_put_cluster_role(api_url, name)