Merge branch 'zj-improve-gitaly-pb' into 'master'

Show what RPC is called in the performance bar

See merge request gitlab-org/gitlab-ce!23140

changelogs/unreleased/zj-improve-gitaly-pb.yml

+---
+title: Show what RPC is called in the performance bar
+merge_request: 23140
+author:
+type: other

lib/gitlab/git/blob.rb

 # frozen_string_literal: true
 
-# Gitaly note: JV: seems to be completely migrated (behind feature flags).
-
 module Gitlab
   module Git
     class Blob

lib/gitlab/git/repository.rb

@@ -885,12 +885,6 @@ module Gitlab
         Gitlab::GitalyClient::ConflictsService.new(self, our_commit_oid, their_commit_oid)
       end
 
-      def gitaly_migrate(method, status: Gitlab::GitalyClient::MigrationStatus::OPT_IN, &block)
-        wrapped_gitaly_errors do
-          Gitlab::GitalyClient.migrate(method, status: status, &block)
-        end
-      end
-
       def clean_stale_repository_files
         wrapped_gitaly_errors do
           gitaly_repository_client.cleanup if exists?

lib/gitlab/gitaly_client.rb

@@ -9,11 +9,6 @@ require 'grpc/health/v1/health_services_pb'
 module Gitlab
   module GitalyClient
     include Gitlab::Metrics::Methods
-    module MigrationStatus
-      DISABLED = 1
-      OPT_IN = 2
-      OPT_OUT = 3
-    end
 
     class TooManyInvocationsError < StandardError
       attr_reader :call_site, :invocation_count, :max_call_stack
@@ -31,7 +26,7 @@ module Gitlab
       end
     end
 
-    SERVER_VERSION_FILE = 'GITALY_SERVER_VERSION'.freeze
+    SERVER_VERSION_FILE = 'GITALY_SERVER_VERSION'
     MAXIMUM_GITALY_CALLS = 35
     CLIENT_NAME = (Sidekiq.server? ? 'gitlab-sidekiq' : 'gitlab-web').freeze
 
@@ -43,11 +38,6 @@ module Gitlab
 
     self.query_time = 0
 
-    define_histogram :gitaly_migrate_call_duration_seconds do
-      docstring "Gitaly migration call execution timings"
-      base_labels gitaly_enabled: nil, feature: nil
-    end
-
     define_histogram :gitaly_controller_action_duration_seconds do
       docstring "Gitaly endpoint histogram by controller and action combination"
       base_labels Gitlab::Metrics::Transaction::BASE_LABELS.merge(gitaly_service: nil, rpc: nil)
@@ -126,7 +116,6 @@ module Gitlab
     def self.call(storage, service, rpc, request, remote_storage: nil, timeout: nil)
       start = Gitlab::Metrics::System.monotonic_time
       request_hash = request.is_a?(Google::Protobuf::MessageExts) ? request.to_h : {}
-      @current_call_id ||= SecureRandom.uuid
 
       enforce_gitaly_request_limits(:call)
 
@@ -145,9 +134,7 @@ module Gitlab
         current_transaction_labels.merge(gitaly_service: service.to_s, rpc: rpc.to_s),
         duration)
 
-      add_call_details(id: @current_call_id, feature: service, duration: duration, request: request_hash)
-
-      @current_call_id = nil
+      add_call_details(feature: "#{service}##{rpc}", duration: duration, request: request_hash, rpc: rpc)
     end
 
     def self.handle_grpc_unavailable!(ex)
@@ -222,7 +209,7 @@ module Gitlab
       result
     end
 
-    SERVER_FEATURE_FLAGS = %w[gogit_findcommit].freeze
+    SERVER_FEATURE_FLAGS = %w[].freeze
 
     def self.server_feature_flags
       SERVER_FEATURE_FLAGS.map do |f|
@@ -237,82 +224,8 @@ module Gitlab
       params['gitaly_token'].presence || Gitlab.config.gitaly['token']
     end
 
-    # Evaluates whether a feature toggle is on or off
-    def self.feature_enabled?(feature_name, status: MigrationStatus::OPT_IN)
-      # Disabled features are always off!
-      return false if status == MigrationStatus::DISABLED
-
-      feature = Feature.get("gitaly_#{feature_name}")
-
-      # If the feature has been set, always evaluate
-      if Feature.persisted?(feature)
-        if feature.percentage_of_time_value > 0
-          # Probabilistically enable this feature
-          return Random.rand() * 100 < feature.percentage_of_time_value
-        end
-
-        return feature.enabled?
-      end
-
-      # If the feature has not been set, the default depends
-      # on it's status
-      case status
-      when MigrationStatus::OPT_OUT
-        true
-      when MigrationStatus::OPT_IN
-        opt_into_all_features? && !explicit_opt_in_required.include?(feature_name)
-      else
-        false
-      end
-    rescue => ex
-      # During application startup feature lookups in SQL can fail
-      Rails.logger.warn "exception while checking Gitaly feature status for #{feature_name}: #{ex}"
-      false
-    end
-
-    # We have a mechanism to let GitLab automatically opt in to all Gitaly
-    # features. We want to be able to exclude some features from automatic
-    # opt-in. This function has an override in EE.
-    def self.explicit_opt_in_required
-      []
-    end
-
-    # opt_into_all_features? returns true when the current environment
-    # is one in which we opt into features automatically
-    def self.opt_into_all_features?
-      Rails.env.development? || ENV["GITALY_FEATURE_DEFAULT_ON"] == "1"
-    end
-    private_class_method :opt_into_all_features?
-
-    def self.migrate(feature, status: MigrationStatus::OPT_IN)
-      # Enforce limits at both the `migrate` and `call` sites to ensure that
-      # problems are not hidden by a feature being disabled
-      enforce_gitaly_request_limits(:migrate)
-
-      is_enabled  = feature_enabled?(feature, status: status)
-      metric_name = feature.to_s
-      metric_name += "_gitaly" if is_enabled
-
-      Gitlab::Metrics.measure(metric_name) do
-        # Some migrate calls wrap other migrate calls
-        allow_n_plus_1_calls do
-          feature_stack = Thread.current[:gitaly_feature_stack] ||= []
-          feature_stack.unshift(feature)
-          begin
-            start = Gitlab::Metrics::System.monotonic_time
-            @current_call_id = SecureRandom.uuid
-            call_details = { id: @current_call_id }
-            yield is_enabled
-          ensure
-            total_time = Gitlab::Metrics::System.monotonic_time - start
-            gitaly_migrate_call_duration_seconds.observe({ gitaly_enabled: is_enabled, feature: feature }, total_time)
-            feature_stack.shift
-            Thread.current[:gitaly_feature_stack] = nil if feature_stack.empty?
-
-            add_call_details(call_details.merge(feature: feature, duration: total_time))
-          end
-        end
-      end
+    def self.feature_enabled?(feature_name)
+      Feature.enabled?("gitaly_#{feature_name}")
     end
 
     # Ensures that Gitaly is not being abuse through n+1 misuse etc
@@ -368,38 +281,20 @@ module Gitlab
     end
     private_class_method :decrement_call_count
 
-    # Returns an estimate of the number of Gitaly calls made for this
-    # request
+    # Returns the of the number of Gitaly calls made for this request
     def self.get_request_count
-      return 0 unless Gitlab::SafeRequestStore.active?
-
-      gitaly_migrate_count = get_call_count("gitaly_migrate_actual")
-      gitaly_call_count = get_call_count("gitaly_call_actual")
-
-      # Using the maximum of migrate and call_count will provide an
-      # indicator of how many Gitaly calls will be made, even
-      # before a feature is enabled. This provides us with a single
-      # metric, but not an exact number, but this tradeoff is acceptable
-      if gitaly_migrate_count > gitaly_call_count
-        gitaly_migrate_count
-      else
-        gitaly_call_count
-      end
+      get_call_count("gitaly_call_actual")
     end
 
     def self.reset_counts
       return unless Gitlab::SafeRequestStore.active?
 
-      %w[migrate call].each do |call_site|
-        Gitlab::SafeRequestStore["gitaly_#{call_site}_actual"] = 0
-        Gitlab::SafeRequestStore["gitaly_#{call_site}_permitted"] = 0
-      end
+      Gitlab::SafeRequestStore["gitaly_call_actual"] = 0
+      Gitlab::SafeRequestStore["gitaly_call_permitted"] = 0
     end
 
     def self.add_call_details(details)
-      id = details.delete(:id)
-
-      return unless id && Gitlab::SafeRequestStore[:peek_enabled]
+      return unless Gitlab::SafeRequestStore[:peek_enabled]
 
       Gitlab::SafeRequestStore['gitaly_call_details'] ||= {}
       Gitlab::SafeRequestStore['gitaly_call_details'][id] ||= {}

spec/features/projects/wiki/user_views_wiki_page_spec.rb

 require 'spec_helper'
 
 describe 'User views a wiki page' do
-  shared_examples 'wiki page user view' do
-    include WikiHelpers
-
-    let(:user) { create(:user) }
-    let(:project) { create(:project, :wiki_repo, namespace: user.namespace) }
-    let(:path) { 'image.png' }
-    let(:wiki_page) do
-      create(:wiki_page,
-        wiki: project.wiki,
-        attrs: { title: 'home', content: "Look at this [image](#{path})\n\n ![alt text](#{path})" })
-    end
+  include WikiHelpers
+
+  let(:user) { create(:user) }
+  let(:project) { create(:project, :wiki_repo, namespace: user.namespace) }
+  let(:path) { 'image.png' }
+  let(:wiki_page) do
+    create(:wiki_page,
+           wiki: project.wiki,
+           attrs: { title: 'home', content: "Look at this [image](#{path})\n\n ![alt text](#{path})" })
+  end
 
-    before do
-      project.add_maintainer(user)
-      sign_in(user)
-    end
+  before do
+    project.add_maintainer(user)
+    sign_in(user)
+  end
 
-    context 'when wiki is empty' do
-      before do
-        visit(project_wikis_path(project))
-        click_link "Create your first page"
+  context 'when wiki is empty' do
+    before do
+      visit(project_wikis_path(project))
+      click_link "Create your first page"
 
-        click_on('New page')
+      click_on('New page')
 
-        page.within('#modal-new-wiki') do
-          fill_in(:new_wiki_path, with: 'one/two/three-test')
-          click_on('Create page')
-        end
+      page.within('#modal-new-wiki') do
+        fill_in(:new_wiki_path, with: 'one/two/three-test')
+        click_on('Create page')
+      end
 
-        page.within('.wiki-form') do
-          fill_in(:wiki_content, with: 'wiki content')
-          click_on('Create page')
-        end
+      page.within('.wiki-form') do
+        fill_in(:wiki_content, with: 'wiki content')
+        click_on('Create page')
       end
+    end
 
-      it 'shows the history of a page that has a path', :js do
-        expect(current_path).to include('one/two/three-test')
+    it 'shows the history of a page that has a path', :js do
+      expect(current_path).to include('one/two/three-test')
 
-        first(:link, text: 'Three').click
-        click_on('Page history')
+      first(:link, text: 'Three').click
+      click_on('Page history')
 
-        expect(current_path).to include('one/two/three-test')
+      expect(current_path).to include('one/two/three-test')
 
-        page.within(:css, '.nav-text') do
-          expect(page).to have_content('History')
-        end
+      page.within(:css, '.nav-text') do
+        expect(page).to have_content('History')
       end
+    end
 
-      it 'shows an old version of a page', :js do
-        expect(current_path).to include('one/two/three-test')
-        expect(find('.wiki-pages')).to have_content('Three')
-
-        first(:link, text: 'Three').click
-
-        expect(find('.nav-text')).to have_content('Three')
+    it 'shows an old version of a page', :js do
+      expect(current_path).to include('one/two/three-test')
+      expect(find('.wiki-pages')).to have_content('Three')
 
-        click_on('Edit')
+      first(:link, text: 'Three').click
 
-        expect(current_path).to include('one/two/three-test')
-        expect(page).to have_content('Edit Page')
+      expect(find('.nav-text')).to have_content('Three')
 
-        fill_in('Content', with: 'Updated Wiki Content')
+      click_on('Edit')
 
-        click_on('Save changes')
-        click_on('Page history')
+      expect(current_path).to include('one/two/three-test')
+      expect(page).to have_content('Edit Page')
 
-        page.within(:css, '.nav-text') do
-          expect(page).to have_content('History')
-        end
+      fill_in('Content', with: 'Updated Wiki Content')
 
-        find('a[href*="?version_id"]')
-      end
-    end
-
-    context 'when a page does not have history' do
-      before do
-        visit(project_wiki_path(project, wiki_page))
-      end
+      click_on('Save changes')
+      click_on('Page history')
 
-      it 'shows all the pages' do
-        expect(page).to have_content(user.name)
-        expect(find('.wiki-pages')).to have_content(wiki_page.title.capitalize)
+      page.within(:css, '.nav-text') do
+        expect(page).to have_content('History')
       end
 
-      context 'shows a file stored in a page' do
-        let(:path) { upload_file_to_wiki(project, user, 'dk.png') }
+      find('a[href*="?version_id"]')
+    end
+  end
 
-        it do
-          expect(page).to have_xpath("//img[@data-src='#{project.wiki.wiki_base_path}/#{path}']")
-          expect(page).to have_link('image', href: "#{project.wiki.wiki_base_path}/#{path}")
+  context 'when a page does not have history' do
+    before do
+      visit(project_wiki_path(project, wiki_page))
+    end
 
-          click_on('image')
+    it 'shows all the pages' do
+      expect(page).to have_content(user.name)
+      expect(find('.wiki-pages')).to have_content(wiki_page.title.capitalize)
+    end
 
-          expect(current_path).to match("wikis/#{path}")
-          expect(page).not_to have_xpath('/html') # Page should render the image which means there is no html involved
-        end
-      end
+    context 'shows a file stored in a page' do
+      let(:path) { upload_file_to_wiki(project, user, 'dk.png') }
 
-      it 'shows the creation page if file does not exist' do
+      it do
+        expect(page).to have_xpath("//img[@data-src='#{project.wiki.wiki_base_path}/#{path}']")
         expect(page).to have_link('image', href: "#{project.wiki.wiki_base_path}/#{path}")
 
         click_on('image')
 
         expect(current_path).to match("wikis/#{path}")
-        expect(page).to have_content('New Wiki Page')
-        expect(page).to have_content('Create page')
+        expect(page).not_to have_xpath('/html') # Page should render the image which means there is no html involved
       end
     end
 
-    context 'when a page has history' do
-      before do
-        wiki_page.update(message: 'updated home', content: 'updated [some link](other-page)')
-      end
+    it 'shows the creation page if file does not exist' do
+      expect(page).to have_link('image', href: "#{project.wiki.wiki_base_path}/#{path}")
 
-      it 'shows the page history' do
-        visit(project_wiki_path(project, wiki_page))
+      click_on('image')
 
-        expect(page).to have_selector('a.btn', text: 'Edit')
+      expect(current_path).to match("wikis/#{path}")
+      expect(page).to have_content('New Wiki Page')
+      expect(page).to have_content('Create page')
+    end
+  end
 
-        click_on('Page history')
+  context 'when a page has history' do
+    before do
+      wiki_page.update(message: 'updated home', content: 'updated [some link](other-page)')
+    end
 
-        expect(page).to have_content(user.name)
-        expect(page).to have_content("#{user.username} created page: home")
-        expect(page).to have_content('updated home')
-      end
+    it 'shows the page history' do
+      visit(project_wiki_path(project, wiki_page))
 
-      it 'does not show the "Edit" button' do
-        visit(project_wiki_path(project, wiki_page, version_id: wiki_page.versions.last.id))
+      expect(page).to have_selector('a.btn', text: 'Edit')
 
-        expect(page).not_to have_selector('a.btn', text: 'Edit')
-      end
+      click_on('Page history')
+
+      expect(page).to have_content(user.name)
+      expect(page).to have_content("#{user.username} created page: home")
+      expect(page).to have_content('updated home')
     end
 
-    context 'when page has invalid content encoding' do
-      let(:content) { 'whatever'.force_encoding('ISO-8859-1') }
+    it 'does not show the "Edit" button' do
+      visit(project_wiki_path(project, wiki_page, version_id: wiki_page.versions.last.id))
 
-      before do
-        allow(Gitlab::EncodingHelper).to receive(:encode!).and_return(content)
+      expect(page).not_to have_selector('a.btn', text: 'Edit')
+    end
+  end
 
-        visit(project_wiki_path(project, wiki_page))
-      end
+  context 'when page has invalid content encoding' do
+    let(:content) { 'whatever'.force_encoding('ISO-8859-1') }
 
-      it 'does not show "Edit" button' do
-        expect(page).not_to have_selector('a.btn', text: 'Edit')
-      end
+    before do
+      allow(Gitlab::EncodingHelper).to receive(:encode!).and_return(content)
 
-      it 'shows error' do
-        page.within(:css, '.flash-notice') do
-          expect(page).to have_content('The content of this page is not encoded in UTF-8. Edits can only be made via the Git repository.')
-        end
-      end
+      visit(project_wiki_path(project, wiki_page))
     end
 
-    it 'opens a default wiki page', :js do
-      visit(project_path(project))
-
-      find('.shortcuts-wiki').click
-      click_link "Create your first page"
+    it 'does not show "Edit" button' do
+      expect(page).not_to have_selector('a.btn', text: 'Edit')
+    end
 
-      expect(page).to have_content('Home · Create Page')
+    it 'shows error' do
+      page.within(:css, '.flash-notice') do
+        expect(page).to have_content('The content of this page is not encoded in UTF-8. Edits can only be made via the Git repository.')
+      end
     end
   end
 
-  context 'when Gitaly is enabled' do
-    it_behaves_like 'wiki page user view'
-  end
+  it 'opens a default wiki page', :js do
+    visit(project_path(project))
+
+    find('.shortcuts-wiki').click
+    click_link "Create your first page"
 
-  context 'when Gitaly is disabled', :skip_gitaly_mock do
-    it_behaves_like 'wiki page user view'
+    expect(page).to have_content('Home · Create Page')
   end
 end

spec/lib/extracts_path_spec.rb

@@ -205,28 +205,18 @@ describe ExtractsPath do
   end
 
   describe '#lfs_blob_ids' do
-    shared_examples '#lfs_blob_ids' do
-      let(:tag) { @project.repository.add_tag(@project.owner, 'my-annotated-tag', 'master', 'test tag') }
-      let(:ref) { tag.target }
-      let(:params) { { ref: ref, path: 'README.md' } }
+    let(:tag) { @project.repository.add_tag(@project.owner, 'my-annotated-tag', 'master', 'test tag') }
+    let(:ref) { tag.target }
+    let(:params) { { ref: ref, path: 'README.md' } }
 
-      before do
-        @project = create(:project, :repository)
-      end
-
-      it 'handles annotated tags' do
-        assign_ref_vars
-
-        expect(lfs_blob_ids).to eq([])
-      end
+    before do
+      @project = create(:project, :repository)
     end
 
-    context 'when gitaly is enabled' do
-      it_behaves_like '#lfs_blob_ids'
-    end
+    it 'handles annotated tags' do
+      assign_ref_vars
 
-    context 'when gitaly is disabled', :skip_gitaly_mock do
-      it_behaves_like '#lfs_blob_ids'
+      expect(lfs_blob_ids).to eq([])
     end
   end
 end

spec/lib/gitlab/diff/file_collection/merge_request_diff_spec.rb

@@ -37,17 +37,7 @@ describe Gitlab::Diff::FileCollection::MergeRequestDiff do
     let(:stub_path) { '.gitignore' }
   end
 
-  shared_examples 'initializes a DiffCollection' do
-    it 'returns a valid instance of a DiffCollection' do
-      expect(diff_files).to be_a(Gitlab::Git::DiffCollection)
-    end
-  end
-
-  context 'with Gitaly disabled', :disable_gitaly do
-    it_behaves_like 'initializes a DiffCollection'
-  end
-
-  context 'with Gitaly enabled' do
-    it_behaves_like 'initializes a DiffCollection'
+  it 'returns a valid instance of a DiffCollection' do
+    expect(diff_files).to be_a(Gitlab::Git::DiffCollection)
   end
 end

spec/lib/gitlab/git/blob_spec.rb

@@ -128,7 +128,7 @@ describe Gitlab::Git::Blob, :seed_helper do
     end
   end
 
-  shared_examples 'finding blobs by ID' do
+  describe '.raw' do
     let(:raw_blob) { Gitlab::Git::Blob.raw(repository, SeedRepo::RubyBlob::ID) }
     let(:bad_blob) { Gitlab::Git::Blob.raw(repository, SeedRepo::BigCommit::ID) }
 
@@ -166,16 +166,6 @@ describe Gitlab::Git::Blob, :seed_helper do
     end
   end
 
-  describe '.raw' do
-    context 'when the blob_raw Gitaly feature is enabled' do
-      it_behaves_like 'finding blobs by ID'
-    end
-
-    context 'when the blob_raw Gitaly feature is disabled', :skip_gitaly_mock do
-      it_behaves_like 'finding blobs by ID'
-    end
-  end
-
   describe '.batch' do
     let(:blob_references) do
       [

spec/lib/gitlab/git/commit_spec.rb

@@ -183,110 +183,100 @@ describe Gitlab::Git::Commit, :seed_helper do
       end
     end
 
-    shared_examples '.where' do
-      context 'path is empty string' do
-        subject do
-          commits = described_class.where(
-            repo: repository,
-            ref: 'master',
-            path: '',
-            limit: 10
-          )
-
-          commits.map { |c| c.id }
-        end
+    context 'path is empty string' do
+      subject do
+        commits = described_class.where(
+          repo: repository,
+          ref: 'master',
+          path: '',
+          limit: 10
+        )
 
-        it 'has 10 elements' do
-          expect(subject.size).to eq(10)
-        end
-        it { is_expected.to include(SeedRepo::EmptyCommit::ID) }
+        commits.map { |c| c.id }
       end
 
-      context 'path is nil' do
-        subject do
-          commits = described_class.where(
-            repo: repository,
-            ref: 'master',
-            path: nil,
-            limit: 10
-          )
-
-          commits.map { |c| c.id }
-        end
-
-        it 'has 10 elements' do
-          expect(subject.size).to eq(10)
-        end
-        it { is_expected.to include(SeedRepo::EmptyCommit::ID) }
+      it 'has 10 elements' do
+        expect(subject.size).to eq(10)
       end
+      it { is_expected.to include(SeedRepo::EmptyCommit::ID) }
+    end
 
-      context 'ref is branch name' do
-        subject do
-          commits = described_class.where(
-            repo: repository,
-            ref: 'master',
-            path: 'files',
-            limit: 3,
-            offset: 1
-          )
+    context 'path is nil' do
+      subject do
+        commits = described_class.where(
+          repo: repository,
+          ref: 'master',
+          path: nil,
+          limit: 10
+        )
 
-          commits.map { |c| c.id }
-        end
+        commits.map { |c| c.id }
+      end
 
-        it 'has 3 elements' do
-          expect(subject.size).to eq(3)
-        end
-        it { is_expected.to include("d14d6c0abdd253381df51a723d58691b2ee1ab08") }
-        it { is_expected.not_to include("eb49186cfa5c4338011f5f590fac11bd66c5c631") }
+      it 'has 10 elements' do
+        expect(subject.size).to eq(10)
       end
+      it { is_expected.to include(SeedRepo::EmptyCommit::ID) }
+    end
 
-      context 'ref is commit id' do
-        subject do
-          commits = described_class.where(
-            repo: repository,
-            ref: "874797c3a73b60d2187ed6e2fcabd289ff75171e",
-            path: 'files',
-            limit: 3,
-            offset: 1
-          )
+    context 'ref is branch name' do
+      subject do
+        commits = described_class.where(
+          repo: repository,
+          ref: 'master',
+          path: 'files',
+          limit: 3,
+          offset: 1
+        )
 
-          commits.map { |c| c.id }
-        end
+        commits.map { |c| c.id }
+      end
 
-        it 'has 3 elements' do
-          expect(subject.size).to eq(3)
-        end
-        it { is_expected.to include("2f63565e7aac07bcdadb654e253078b727143ec4") }
-        it { is_expected.not_to include(SeedRepo::Commit::ID) }
+      it 'has 3 elements' do
+        expect(subject.size).to eq(3)
       end
+      it { is_expected.to include("d14d6c0abdd253381df51a723d58691b2ee1ab08") }
+      it { is_expected.not_to include("eb49186cfa5c4338011f5f590fac11bd66c5c631") }
+    end
 
-      context 'ref is tag' do
-        subject do
-          commits = described_class.where(
-            repo: repository,
-            ref: 'v1.0.0',
-            path: 'files',
-            limit: 3,
-            offset: 1
-          )
+    context 'ref is commit id' do
+      subject do
+        commits = described_class.where(
+          repo: repository,
+          ref: "874797c3a73b60d2187ed6e2fcabd289ff75171e",
+          path: 'files',
+          limit: 3,
+          offset: 1
+        )
 
-          commits.map { |c| c.id }
-        end
+        commits.map { |c| c.id }
+      end
 
-        it 'has 3 elements' do
-          expect(subject.size).to eq(3)
-        end
-        it { is_expected.to include("874797c3a73b60d2187ed6e2fcabd289ff75171e") }
-        it { is_expected.not_to include(SeedRepo::Commit::ID) }
+      it 'has 3 elements' do
+        expect(subject.size).to eq(3)
       end
+      it { is_expected.to include("2f63565e7aac07bcdadb654e253078b727143ec4") }
+      it { is_expected.not_to include(SeedRepo::Commit::ID) }
     end
 
-    describe '.where with gitaly' do
-      it_should_behave_like '.where'
-    end
+    context 'ref is tag' do
+      subject do
+        commits = described_class.where(
+          repo: repository,
+          ref: 'v1.0.0',
+          path: 'files',
+          limit: 3,
+          offset: 1
+        )
 
-    describe '.where without gitaly', :skip_gitaly_mock do
-      it_should_behave_like '.where'
+        commits.map { |c| c.id }
+      end
+
+      it 'has 3 elements' do
+        expect(subject.size).to eq(3)
+      end
+      it { is_expected.to include("874797c3a73b60d2187ed6e2fcabd289ff75171e") }
+      it { is_expected.not_to include(SeedRepo::Commit::ID) }
     end
 
     describe '.between' do
@@ -508,7 +498,7 @@ describe Gitlab::Git::Commit, :seed_helper do
     end
   end
 
-  shared_examples '#stats' do
+  describe '#stats' do
     subject { commit.stats }
 
     describe '#additions' do
@@ -527,14 +517,6 @@ describe Gitlab::Git::Commit, :seed_helper do
     end
   end
 
-  describe '#stats with gitaly on' do
-    it_should_behave_like '#stats'
-  end
-
-  describe '#stats with gitaly disabled', :skip_gitaly_mock do
-    it_should_behave_like '#stats'
-  end
-
   describe '#has_zero_stats?' do
     it { expect(commit.has_zero_stats?).to eq(false) }
   end
@@ -577,25 +559,15 @@ describe Gitlab::Git::Commit, :seed_helper do
       commit_ids.map { |id| described_class.get_message(repository, id) }
     end
 
-    shared_examples 'getting commit messages' do
-      it 'gets commit messages' do
-        expect(subject).to contain_exactly(
-          "Added contributing guide\n\nSigned-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>\n",
-          "Add submodule\n\nSigned-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>\n"
-        )
-      end
-    end
-
-    context 'when Gitaly commit_messages feature is enabled' do
-      it_behaves_like 'getting commit messages'
-
-      it 'gets messages in one batch', :request_store do
-        expect { subject.map(&:itself) }.to change { Gitlab::GitalyClient.get_request_count }.by(1)
-      end
+    it 'gets commit messages' do
+      expect(subject).to contain_exactly(
+        "Added contributing guide\n\nSigned-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>\n",
+        "Add submodule\n\nSigned-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>\n"
+      )
     end
 
-    context 'when Gitaly commit_messages feature is disabled', :disable_gitaly do
-      it_behaves_like 'getting commit messages'
+    it 'gets messages in one batch', :request_store do
+      expect { subject.map(&:itself) }.to change { Gitlab::GitalyClient.get_request_count }.by(1)
     end
   end
 

spec/lib/gitlab/git/tag_spec.rb

@@ -3,7 +3,7 @@ require "spec_helper"
 describe Gitlab::Git::Tag, :seed_helper do
   let(:repository) { Gitlab::Git::Repository.new('default', TEST_REPO_PATH, '') }
 
-  shared_examples 'Gitlab::Git::Repository#tags' do
+  describe '#tags' do
     describe 'first tag' do
       let(:tag) { repository.tags.first }
 
@@ -25,14 +25,6 @@ describe Gitlab::Git::Tag, :seed_helper do
     it { expect(repository.tags.size).to eq(SeedRepo::Repo::TAGS.size) }
   end
 
-  context 'when Gitaly tags feature is enabled' do
-    it_behaves_like 'Gitlab::Git::Repository#tags'
-  end
-
-  context 'when Gitaly tags feature is disabled', :skip_gitaly_mock do
-    it_behaves_like 'Gitlab::Git::Repository#tags'
-  end
-
   describe '.get_message' do
     let(:tag_ids) { %w[f4e6814c3e4e7a0de82a9e7cd20c626cc963a2f8 8a2a6eb295bb170b34c24c76c49ed0e9b2eaf34b] }
 
@@ -40,23 +32,13 @@ describe Gitlab::Git::Tag, :seed_helper do
       tag_ids.map { |id| described_class.get_message(repository, id) }
     end
 
-    shared_examples 'getting tag messages' do
-      it 'gets tag messages' do
-        expect(subject[0]).to eq("Release\n")
-        expect(subject[1]).to eq("Version 1.1.0\n")
-      end
-    end
-
-    context 'when Gitaly tag_messages feature is enabled' do
-      it_behaves_like 'getting tag messages'
-
-      it 'gets messages in one batch', :request_store do
-        expect { subject.map(&:itself) }.to change { Gitlab::GitalyClient.get_request_count }.by(1)
-      end
+    it 'gets tag messages' do
+      expect(subject[0]).to eq("Release\n")
+      expect(subject[1]).to eq("Version 1.1.0\n")
     end
 
-    context 'when Gitaly tag_messages feature is disabled', :disable_gitaly do
-      it_behaves_like 'getting tag messages'
+    it 'gets messages in one batch', :request_store do
+      expect { subject.map(&:itself) }.to change { Gitlab::GitalyClient.get_request_count }.by(1)
     end
   end
 

spec/lib/gitlab/git/tree_spec.rb

@@ -80,18 +80,8 @@ describe Gitlab::Git::Tree, :seed_helper do
   end
 
   describe '#where' do
-    shared_examples '#where' do
-      it 'returns an empty array when called with an invalid ref' do
-        expect(described_class.where(repository, 'foobar-does-not-exist')).to eq([])
-      end
-    end
-
-    context 'with gitaly' do
-      it_behaves_like '#where'
-    end
-
-    context 'without gitaly', :skip_gitaly_mock do
-      it_behaves_like '#where'
+    it 'returns an empty array when called with an invalid ref' do
+      expect(described_class.where(repository, 'foobar-does-not-exist')).to eq([])
     end
   end
 end

spec/lib/gitlab/gitaly_client_spec.rb

@@ -2,7 +2,7 @@ require 'spec_helper'
 
 # We stub Gitaly in `spec/support/gitaly.rb` for other tests. We don't want
 # those stubs while testing the GitalyClient itself.
-describe Gitlab::GitalyClient, skip_gitaly_mock: true do
+describe Gitlab::GitalyClient do
   describe '.stub_class' do
     it 'returns the gRPC health check stub' do
       expect(described_class.stub_class(:health_check)).to eq(::Grpc::Health::V1::Health::Stub)
@@ -191,102 +191,13 @@ describe Gitlab::GitalyClient, skip_gitaly_mock: true do
     let(:feature_name) { 'my_feature' }
     let(:real_feature_name) { "gitaly_#{feature_name}" }
 
-    context 'when Gitaly is disabled' do
-      before do
-        allow(described_class).to receive(:enabled?).and_return(false)
-      end
-
-      it 'returns false' do
-        expect(described_class.feature_enabled?(feature_name)).to be(false)
-      end
-    end
-
-    context 'when the feature status is DISABLED' do
-      let(:feature_status) { Gitlab::GitalyClient::MigrationStatus::DISABLED }
-
-      it 'returns false' do
-        expect(described_class.feature_enabled?(feature_name, status: feature_status)).to be(false)
-      end
-    end
-
-    context 'when the feature_status is OPT_IN' do
-      let(:feature_status) { Gitlab::GitalyClient::MigrationStatus::OPT_IN }
-
-      context "when the feature flag hasn't been set" do
-        it 'returns false' do
-          expect(described_class.feature_enabled?(feature_name, status: feature_status)).to be(false)
-        end
-      end
-
-      context "when the feature flag is set to disable" do
-        before do
-          Feature.get(real_feature_name).disable
-        end
-
-        it 'returns false' do
-          expect(described_class.feature_enabled?(feature_name, status: feature_status)).to be(false)
-        end
-      end
-
-      context "when the feature flag is set to enable" do
-        before do
-          Feature.get(real_feature_name).enable
-        end
-
-        it 'returns true' do
-          expect(described_class.feature_enabled?(feature_name, status: feature_status)).to be(true)
-        end
-      end
-
-      context "when the feature flag is set to a percentage of time" do
-        before do
-          Feature.get(real_feature_name).enable_percentage_of_time(70)
-        end
-
-        it 'bases the result on pseudo-random numbers' do
-          expect(Random).to receive(:rand).and_return(0.3)
-          expect(described_class.feature_enabled?(feature_name, status: feature_status)).to be(true)
-
-          expect(Random).to receive(:rand).and_return(0.8)
-          expect(described_class.feature_enabled?(feature_name, status: feature_status)).to be(false)
-        end
-      end
-
-      context "when a feature is not persisted" do
-        it 'returns false when opt_into_all_features is off' do
-          allow(Feature).to receive(:persisted?).and_return(false)
-          allow(described_class).to receive(:opt_into_all_features?).and_return(false)
-
-          expect(described_class.feature_enabled?(feature_name, status: feature_status)).to be(false)
-        end
-
-        it 'returns true when the override is on' do
-          allow(Feature).to receive(:persisted?).and_return(false)
-          allow(described_class).to receive(:opt_into_all_features?).and_return(true)
-
-          expect(described_class.feature_enabled?(feature_name, status: feature_status)).to be(true)
-        end
-      end
+    before do
+      allow(Feature).to receive(:enabled?).and_return(false)
     end
 
-    context 'when the feature_status is OPT_OUT' do
-      let(:feature_status) { Gitlab::GitalyClient::MigrationStatus::OPT_OUT }
-
-      context "when the feature flag hasn't been set" do
-        it 'returns true' do
-          expect(described_class.feature_enabled?(feature_name, status: feature_status)).to be(true)
-        end
-      end
-
-      context "when the feature flag is set to disable" do
-        before do
-          Feature.get(real_feature_name).disable
-        end
-
-        it 'returns false' do
-          expect(described_class.feature_enabled?(feature_name, status: feature_status)).to be(false)
-        end
-      end
+    it 'returns false' do
+      expect(Feature).to receive(:enabled?).with(real_feature_name)
+      expect(described_class.feature_enabled?(feature_name)).to be(false)
     end
   end
 

spec/models/merge_request_spec.rb

@@ -30,48 +30,38 @@ describe MergeRequest do
   end
 
   describe '#squash_in_progress?' do
-    shared_examples 'checking whether a squash is in progress' do
-      let(:repo_path) do
-        Gitlab::GitalyClient::StorageSettings.allow_disk_access do
-          subject.source_project.repository.path
-        end
-      end
-      let(:squash_path) { File.join(repo_path, "gitlab-worktree", "squash-#{subject.id}") }
-
-      before do
-        system(*%W(#{Gitlab.config.git.bin_path} -C #{repo_path} worktree add --detach #{squash_path} master))
-      end
-
-      it 'returns true when there is a current squash directory' do
-        expect(subject.squash_in_progress?).to be_truthy
+    let(:repo_path) do
+      Gitlab::GitalyClient::StorageSettings.allow_disk_access do
+        subject.source_project.repository.path
       end
+    end
+    let(:squash_path) { File.join(repo_path, "gitlab-worktree", "squash-#{subject.id}") }
 
-      it 'returns false when there is no squash directory' do
-        FileUtils.rm_rf(squash_path)
+    before do
+      system(*%W(#{Gitlab.config.git.bin_path} -C #{repo_path} worktree add --detach #{squash_path} master))
+    end
 
-        expect(subject.squash_in_progress?).to be_falsey
-      end
+    it 'returns true when there is a current squash directory' do
+      expect(subject.squash_in_progress?).to be_truthy
+    end
 
-      it 'returns false when the squash directory has expired' do
-        time = 20.minutes.ago.to_time
-        File.utime(time, time, squash_path)
+    it 'returns false when there is no squash directory' do
+      FileUtils.rm_rf(squash_path)
 
-        expect(subject.squash_in_progress?).to be_falsey
-      end
+      expect(subject.squash_in_progress?).to be_falsey
+    end
 
-      it 'returns false when the source project has been removed' do
-        allow(subject).to receive(:source_project).and_return(nil)
+    it 'returns false when the squash directory has expired' do
+      time = 20.minutes.ago.to_time
+      File.utime(time, time, squash_path)
 
-        expect(subject.squash_in_progress?).to be_falsey
-      end
+      expect(subject.squash_in_progress?).to be_falsey
     end
 
-    context 'when Gitaly squash_in_progress is enabled' do
-      it_behaves_like 'checking whether a squash is in progress'
-    end
+    it 'returns false when the source project has been removed' do
+      allow(subject).to receive(:source_project).and_return(nil)
 
-    context 'when Gitaly squash_in_progress is disabled', :disable_gitaly do
-      it_behaves_like 'checking whether a squash is in progress'
+      expect(subject.squash_in_progress?).to be_falsey
     end
   end
 
@@ -2587,14 +2577,6 @@ describe MergeRequest do
         expect(subject.rebase_in_progress?).to be_falsey
       end
     end
-
-    context 'when Gitaly rebase_in_progress is enabled' do
-      it_behaves_like 'checking whether a rebase is in progress'
-    end
-
-    context 'when Gitaly rebase_in_progress is enabled', :disable_gitaly do
-      it_behaves_like 'checking whether a rebase is in progress'
-    end
   end
 
   describe '#allow_collaboration' do

spec/support/gitaly.rb

-RSpec.configure do |config|
-  config.before(:each) do |example|
-    if example.metadata[:disable_gitaly]
-      # Use 'and_wrap_original' to make sure the arguments are valid
-      allow(Gitlab::GitalyClient).to receive(:feature_enabled?).and_wrap_original { |m, *args| m.call(*args) && false }
-    else
-      next if example.metadata[:skip_gitaly_mock]
-
-      # Use 'and_wrap_original' to make sure the arguments are valid
-      allow(Gitlab::GitalyClient).to receive(:feature_enabled?).and_wrap_original do |m, *args|
-        m.call(*args)
-        !Gitlab::GitalyClient.explicit_opt_in_required.include?(args.first)
-      end
-    end
-  end
-end