Rename project's pipelines relation

39 files changed, 276 insertions, 72 deletions

diff --git a/app/controllers/projects/branches_controller.rb b/app/controllers/projects/branches_controller.rb
index 95a014d24da..a6bfb913900 100644
--- a/app/controllers/projects/branches_controller.rb
+++ b/app/controllers/projects/branches_controller.rb
@@ -22,7 +22,7 @@ class Projects::BranchesController < Projects::ApplicationController
         # Fetch branches for the specified mode
         fetch_branches_by_mode
 
-        @refs_pipelines = @project.pipelines.latest_successful_for_refs(@branches.map(&:name))
+        @refs_pipelines = @project.ci_pipelines.latest_successful_for_refs(@branches.map(&:name))
         @merged_branch_names = repository.merged_branch_names(@branches.map(&:name))
 
         # n+1: https://gitlab.com/gitlab-org/gitaly/issues/992
diff --git a/app/controllers/projects/pipelines_controller.rb b/app/controllers/projects/pipelines_controller.rb
index 53b29d4146e..67827b1d3bb 100644
--- a/app/controllers/projects/pipelines_controller.rb
+++ b/app/controllers/projects/pipelines_controller.rb
@@ -46,7 +46,7 @@ class Projects::PipelinesController < Projects::ApplicationController
   end
 
   def new
-    @pipeline = project.pipelines.new(ref: @project.default_branch)
+    @pipeline = project.all_pipelines.new(ref: @project.default_branch)
   end
 
   def create
@@ -142,9 +142,9 @@ class Projects::PipelinesController < Projects::ApplicationController
     @charts[:pipeline_times] = Gitlab::Ci::Charts::PipelineTime.new(project)
 
     @counts = {}
-    @counts[:total] = @project.pipelines.count(:all)
-    @counts[:success] = @project.pipelines.success.count(:all)
-    @counts[:failed] = @project.pipelines.failed.count(:all)
+    @counts[:total] = @project.all_pipelines.count(:all)
+    @counts[:success] = @project.all_pipelines.success.count(:all)
+    @counts[:failed] = @project.all_pipelines.failed.count(:all)
   end
 
   private
@@ -164,7 +164,7 @@ class Projects::PipelinesController < Projects::ApplicationController
   # rubocop: disable CodeReuse/ActiveRecord
   def pipeline
     @pipeline ||= project
-                    .pipelines
+                    .all_pipelines
                     .includes(user: :status)
                     .find_by!(id: params[:id])
                     .present(current_user: current_user)
diff --git a/app/controllers/projects/tags_controller.rb b/app/controllers/projects/tags_controller.rb
index 2b28670a49b..686d66b10a3 100644
--- a/app/controllers/projects/tags_controller.rb
+++ b/app/controllers/projects/tags_controller.rb
@@ -20,7 +20,7 @@ class Projects::TagsController < Projects::ApplicationController
     @tags = Kaminari.paginate_array(@tags).page(params[:page])
 
     tag_names = @tags.map(&:name)
-    @tags_pipelines = @project.pipelines.latest_successful_for_refs(tag_names)
+    @tags_pipelines = @project.ci_pipelines.latest_successful_for_refs(tag_names)
     @releases = project.releases.where(tag: tag_names)
 
     respond_to do |format|
diff --git a/app/finders/pipelines_finder.rb b/app/finders/pipelines_finder.rb
index 35d0e1acce5..f5aadc42ff0 100644
--- a/app/finders/pipelines_finder.rb
+++ b/app/finders/pipelines_finder.rb
@@ -8,7 +8,7 @@ class PipelinesFinder
   def initialize(project, current_user, params = {})
     @project = project
     @current_user = current_user
-    @pipelines = project.pipelines
+    @pipelines = project.all_pipelines
     @params = params
   end
 
diff --git a/app/models/ci/pipeline.rb b/app/models/ci/pipeline.rb
index 88ab021817a..60ff2181a95 100644
--- a/app/models/ci/pipeline.rb
+++ b/app/models/ci/pipeline.rb
@@ -12,14 +12,14 @@ module Ci
     include AtomicInternalId
     include EnumWithNil
 
-    belongs_to :project, inverse_of: :pipelines
+    belongs_to :project, inverse_of: :all_pipelines
     belongs_to :user
     belongs_to :auto_canceled_by, class_name: 'Ci::Pipeline'
     belongs_to :pipeline_schedule, class_name: 'Ci::PipelineSchedule'
     belongs_to :merge_request, class_name: 'MergeRequest'
 
     has_internal_id :iid, scope: :project, presence: false, init: ->(s) do
-      s&.project&.pipelines&.maximum(:iid) || s&.project&.pipelines&.count
+      s&.project&.all_pipelines&.maximum(:iid) || s&.project&.all_pipelines&.count
     end
 
     has_many :stages, -> { order(position: :asc) }, inverse_of: :pipeline
@@ -174,6 +174,7 @@ module Ci
     end
 
     scope :internal, -> { where(source: internal_sources) }
+    scope :ci_sources, -> { where(config_source: ci_sources_values) }
 
     scope :sort_by_merge_request_pipelines, -> do
       sql = 'CASE ci_pipelines.source WHEN (?) THEN 0 ELSE 1 END, ci_pipelines.id DESC'
@@ -271,6 +272,10 @@ module Ci
       sources.reject { |source| source == "external" }.values
     end
 
+    def self.ci_sources_values
+      config_sources.values_at(:repository_source, :auto_devops_source, :unknown_source)
+    end
+
     def stages_count
       statuses.select(:stage).distinct.count
     end
diff --git a/app/models/commit.rb b/app/models/commit.rb
index 546fcc54a15..2c89da88b9b 100644
--- a/app/models/commit.rb
+++ b/app/models/commit.rb
@@ -298,7 +298,7 @@ class Commit
   end
 
   def pipelines
-    project.pipelines.where(sha: sha)
+    project.ci_pipelines.where(sha: sha)
   end
 
   def last_pipeline
@@ -312,7 +312,7 @@ class Commit
   end
 
   def status_for_project(ref, pipeline_project)
-    pipeline_project.pipelines.latest_status_per_commit(id, ref)[id]
+    pipeline_project.ci_pipelines.latest_status_per_commit(id, ref)[id]
   end
 
   def set_status_for_ref(ref, status)
diff --git a/app/models/commit_collection.rb b/app/models/commit_collection.rb
index dd93af9df64..e349f0fe971 100644
--- a/app/models/commit_collection.rb
+++ b/app/models/commit_collection.rb
@@ -24,7 +24,7 @@ class CommitCollection
   # Setting this status ahead of time removes the need for running a query for
   # every commit we're displaying.
   def with_pipeline_status
-    statuses = project.pipelines.latest_status_per_commit(map(&:id), ref)
+    statuses = project.ci_pipelines.latest_status_per_commit(map(&:id), ref)
 
     each do |commit|
       commit.set_status_for_ref(ref, statuses[commit.id])
diff --git a/app/models/merge_request.rb b/app/models/merge_request.rb
index 6b05ee06199..f40dff7c1bd 100644
--- a/app/models/merge_request.rb
+++ b/app/models/merge_request.rb
@@ -1056,7 +1056,7 @@ class MergeRequest < ActiveRecord::Base
   def all_pipelines(shas: all_commit_shas)
     return Ci::Pipeline.none unless source_project
 
-    @all_pipelines ||= source_project.pipelines
+    @all_pipelines ||= source_project.ci_pipelines
       .where(sha: shas, ref: source_branch)
       .where(merge_request: [nil, self])
       .sort_by_merge_request_pipelines
@@ -1220,7 +1220,7 @@ class MergeRequest < ActiveRecord::Base
   end
 
   def base_pipeline
-    @base_pipeline ||= project.pipelines
+    @base_pipeline ||= project.ci_pipelines
       .order(id: :desc)
       .find_by(sha: diff_base_sha)
   end
diff --git a/app/models/project.rb b/app/models/project.rb
index d8ce8038e92..0ab3ea53675 100644
--- a/app/models/project.rb
+++ b/app/models/project.rb
@@ -247,7 +247,17 @@ class Project < ActiveRecord::Base
   has_many :container_repositories, dependent: :destroy # rubocop:disable Cop/ActiveRecordDependent
 
   has_many :commit_statuses
-  has_many :pipelines, class_name: 'Ci::Pipeline', inverse_of: :project
+  # The relation :all_pipelines is intented to be used when we want to get the
+  # whole list of pipelines associated to the project
+  has_many :all_pipelines, class_name: 'Ci::Pipeline', inverse_of: :project
+  # The relation :ci_pipelines is intented to be used when we want to get only
+  # those pipeline which are directly related to CI. There are
+  # other pipelines, like webide ones, that we won't retrieve
+  # if we use this relation.
+  has_many :ci_pipelines,
+          -> { Feature.enabled?(:pipeline_ci_sources_only, default_enabled: true) ? ci_sources : all },
+          class_name: 'Ci::Pipeline',
+          inverse_of: :project
   has_many :stages, class_name: 'Ci::Stage', inverse_of: :project
 
   # Ci::Build objects store data on the file system such as artifact files and
@@ -621,7 +631,7 @@ class Project < ActiveRecord::Base
 
   # ref can't be HEAD, can only be branch/tag name or SHA
   def latest_successful_builds_for(ref = default_branch)
-    latest_pipeline = pipelines.latest_successful_for(ref)
+    latest_pipeline = ci_pipelines.latest_successful_for(ref)
 
     if latest_pipeline
       latest_pipeline.builds.latest.with_artifacts_archive
@@ -1376,7 +1386,7 @@ class Project < ActiveRecord::Base
 
     return unless sha
 
-    pipelines.order(id: :desc).find_by(sha: sha, ref: ref)
+    ci_pipelines.order(id: :desc).find_by(sha: sha, ref: ref)
   end
 
   def latest_successful_pipeline_for_default_branch
@@ -1385,12 +1395,12 @@ class Project < ActiveRecord::Base
     end
 
     @latest_successful_pipeline_for_default_branch =
-      pipelines.latest_successful_for(default_branch)
+      ci_pipelines.latest_successful_for(default_branch)
   end
 
   def latest_successful_pipeline_for(ref = nil)
     if ref && ref != default_branch
-      pipelines.latest_successful_for(ref)
+      ci_pipelines.latest_successful_for(ref)
     else
       latest_successful_pipeline_for_default_branch
     end
diff --git a/app/models/project_services/pipelines_email_service.rb b/app/models/project_services/pipelines_email_service.rb
index 6f39a5e6e83..d60a6a7efa3 100644
--- a/app/models/project_services/pipelines_email_service.rb
+++ b/app/models/project_services/pipelines_email_service.rb
@@ -38,11 +38,11 @@ class PipelinesEmailService < Service
   end
 
   def can_test?
-    project.pipelines.any?
+    project.ci_pipelines.any?
   end
 
   def test_data(project, user)
-    data = Gitlab::DataBuilder::Pipeline.build(project.pipelines.last)
+    data = Gitlab::DataBuilder::Pipeline.build(project.ci_pipelines.last)
     data[:user] = user.hook_attrs
     data
   end
diff --git a/app/services/ci/create_pipeline_service.rb b/app/services/ci/create_pipeline_service.rb
index c7ce7b7a5f8..19b5552887f 100644
--- a/app/services/ci/create_pipeline_service.rb
+++ b/app/services/ci/create_pipeline_service.rb
@@ -78,7 +78,7 @@ module Ci
 
     # rubocop: disable CodeReuse/ActiveRecord
     def auto_cancelable_pipelines
-      project.pipelines
+      project.ci_pipelines
         .where(ref: pipeline.ref)
         .where.not(id: pipeline.id)
         .where.not(sha: project.commit(pipeline.ref).try(:id))
diff --git a/app/services/projects/auto_devops/disable_service.rb b/app/services/projects/auto_devops/disable_service.rb
index 1b578a3c5ce..6608b3da1a8 100644
--- a/app/services/projects/auto_devops/disable_service.rb
+++ b/app/services/projects/auto_devops/disable_service.rb
@@ -34,7 +34,7 @@ module Projects
       end
 
       def auto_devops_pipelines
-        @auto_devops_pipelines ||= project.pipelines.auto_devops_source
+        @auto_devops_pipelines ||= project.ci_pipelines.auto_devops_source
       end
     end
   end
diff --git a/app/services/test_hooks/project_service.rb b/app/services/test_hooks/project_service.rb
index 45e0e61e5c4..7e14ddcd017 100644
--- a/app/services/test_hooks/project_service.rb
+++ b/app/services/test_hooks/project_service.rb
@@ -49,7 +49,7 @@ module TestHooks
     end
 
     def pipeline_events_data
-      pipeline = project.pipelines.first
+      pipeline = project.ci_pipelines.first
       throw(:validation_error, 'Ensure the project has CI pipelines.') unless pipeline.present?
 
       Gitlab::DataBuilder::Pipeline.build(pipeline)
diff --git a/db/fixtures/development/14_pipelines.rb b/db/fixtures/development/14_pipelines.rb
index 5af77c49913..bdc0a2db7db 100644
--- a/db/fixtures/development/14_pipelines.rb
+++ b/db/fixtures/development/14_pipelines.rb
@@ -104,7 +104,7 @@ class Gitlab::Seeder::Pipelines
 
 
   def create_pipeline!(project, ref, commit)
-    project.pipelines.create!(sha: commit.id, ref: ref, source: :push)
+    project.ci_pipelines.create!(sha: commit.id, ref: ref, source: :push)
   end
 
   def build_create!(pipeline, opts = {})
diff --git a/lib/api/commit_statuses.rb b/lib/api/commit_statuses.rb
index 1ba2c150cb4..62c966e06b4 100644
--- a/lib/api/commit_statuses.rb
+++ b/lib/api/commit_statuses.rb
@@ -29,7 +29,7 @@ module API
 
         not_found!('Commit') unless user_project.commit(params[:sha])
 
-        pipelines = user_project.pipelines.where(sha: params[:sha])
+        pipelines = user_project.ci_pipelines.where(sha: params[:sha])
         statuses = ::CommitStatus.where(pipeline: pipelines)
         statuses = statuses.latest unless to_boolean(params[:all])
         statuses = statuses.where(ref: params[:ref]) if params[:ref].present?
@@ -75,7 +75,7 @@ module API
 
         pipeline = @project.pipeline_for(ref, commit.sha)
         unless pipeline
-          pipeline = @project.pipelines.create!(
+          pipeline = @project.ci_pipelines.create!(
             source: :external,
             sha: commit.sha,
             ref: ref,
diff --git a/lib/api/jobs.rb b/lib/api/jobs.rb
index c3f8a84d742..80a5cbd6b19 100644
--- a/lib/api/jobs.rb
+++ b/lib/api/jobs.rb
@@ -56,7 +56,7 @@ module API
       end
       # rubocop: disable CodeReuse/ActiveRecord
       get ':id/pipelines/:pipeline_id/jobs' do
-        pipeline = user_project.pipelines.find(params[:pipeline_id])
+        pipeline = user_project.ci_pipelines.find(params[:pipeline_id])
         builds = pipeline.builds
         builds = filter_builds(builds, params[:scope])
         builds = builds.preload(:job_artifacts_archive, :job_artifacts, project: [:namespace])
diff --git a/lib/api/pipelines.rb b/lib/api/pipelines.rb
index 62d07d945e2..7a7b23d2bbb 100644
--- a/lib/api/pipelines.rb
+++ b/lib/api/pipelines.rb
@@ -130,7 +130,7 @@ module API
 
     helpers do
       def pipeline
-        @pipeline ||= user_project.pipelines.find(params[:pipeline_id])
+        @pipeline ||= user_project.ci_pipelines.find(params[:pipeline_id])
       end
     end
   end
diff --git a/lib/gitlab/badge/coverage/report.rb b/lib/gitlab/badge/coverage/report.rb
index a7fcb6b0fca..7f7cc62c8ef 100644
--- a/lib/gitlab/badge/coverage/report.rb
+++ b/lib/gitlab/badge/coverage/report.rb
@@ -14,7 +14,7 @@ module Gitlab
           @ref = ref
           @job = job
 
-          @pipeline = @project.pipelines.latest_successful_for(@ref)
+          @pipeline = @project.ci_pipelines.latest_successful_for(@ref)
         end
 
         def entity
diff --git a/lib/gitlab/badge/pipeline/status.rb b/lib/gitlab/badge/pipeline/status.rb
index 37e61f07e5b..a403d839517 100644
--- a/lib/gitlab/badge/pipeline/status.rb
+++ b/lib/gitlab/badge/pipeline/status.rb
@@ -22,7 +22,7 @@ module Gitlab
 
         # rubocop: disable CodeReuse/ActiveRecord
         def status
-          @project.pipelines
+          @project.ci_pipelines
             .where(sha: @sha)
             .latest_status(@ref) || 'unknown'
         end
diff --git a/lib/gitlab/ci/charts.rb b/lib/gitlab/ci/charts.rb
index a4f01468e8e..7cabaadb122 100644
--- a/lib/gitlab/ci/charts.rb
+++ b/lib/gitlab/ci/charts.rb
@@ -54,7 +54,7 @@ module Gitlab
 
         # rubocop: disable CodeReuse/ActiveRecord
         def collect
-          query = project.pipelines
+          query = project.all_pipelines
             .where("? > #{::Ci::Pipeline.table_name}.created_at AND #{::Ci::Pipeline.table_name}.created_at > ?", @to, @from) # rubocop:disable GitlabSecurity/SqlInjection
 
           totals_count  = grouped_count(query)
@@ -115,7 +115,7 @@ module Gitlab
 
       class PipelineTime < Chart
         def collect
-          commits = project.pipelines.last(30)
+          commits = project.all_pipelines.last(30)
 
           commits.each do |commit|
             @labels << commit.short_sha
diff --git a/lib/gitlab/import_export/import_export.yml b/lib/gitlab/import_export/import_export.yml
index 4f3298812a8..93065879ec6 100644
--- a/lib/gitlab/import_export/import_export.yml
+++ b/lib/gitlab/import_export/import_export.yml
@@ -51,7 +51,7 @@ project_tree:
     - resource_label_events:
       - label:
           :priorities
-  - pipelines:
+  - ci_pipelines:
     - notes:
       - :author
       - events:
diff --git a/lib/gitlab/import_export/project_tree_restorer.rb b/lib/gitlab/import_export/project_tree_restorer.rb
index 8cd4efd91cc..a56ec65b9f1 100644
--- a/lib/gitlab/import_export/project_tree_restorer.rb
+++ b/lib/gitlab/import_export/project_tree_restorer.rb
@@ -26,6 +26,8 @@ module Gitlab
 
         @project_members = @tree_hash.delete('project_members')
 
+        RelationRenameService.rename(@tree_hash)
+
         ActiveRecord::Base.uncached do
           ActiveRecord::Base.no_touching do
             create_relations
@@ -214,7 +216,7 @@ module Gitlab
       end
 
       def nil_iid_pipeline?(relation_key, relation_item)
-        relation_key == 'pipelines' && relation_item['iid'].nil?
+        relation_key == 'ci_pipelines' && relation_item['iid'].nil?
       end
     end
   end
diff --git a/lib/gitlab/import_export/project_tree_saver.rb b/lib/gitlab/import_export/project_tree_saver.rb
index 29f2dc80813..2255635acdf 100644
--- a/lib/gitlab/import_export/project_tree_saver.rb
+++ b/lib/gitlab/import_export/project_tree_saver.rb
@@ -34,6 +34,8 @@ module Gitlab
 
         project_json['project_members'] += group_members_json
 
+        RelationRenameService.add_new_associations(project_json)
+
         project_json.to_json
       end
 
diff --git a/lib/gitlab/import_export/relation_factory.rb b/lib/gitlab/import_export/relation_factory.rb
index 9cc781ddf8d..a4902e2104f 100644
--- a/lib/gitlab/import_export/relation_factory.rb
+++ b/lib/gitlab/import_export/relation_factory.rb
@@ -4,6 +4,7 @@ module Gitlab
   module ImportExport
     class RelationFactory
       OVERRIDES = { snippets: :project_snippets,
+                    ci_pipelines: 'Ci::Pipeline',
                     pipelines: 'Ci::Pipeline',
                     stages: 'Ci::Stage',
                     statuses: 'commit_status',
diff --git a/lib/gitlab/import_export/relation_rename_service.rb b/lib/gitlab/import_export/relation_rename_service.rb
new file mode 100644
index 00000000000..179bde5e21e
--- /dev/null
+++ b/lib/gitlab/import_export/relation_rename_service.rb
@@ -0,0 +1,48 @@
+# frozen_string_literal: true
+
+# This class is intended to help with relation renames within Gitlab versions
+# and allow compatibility between versions.
+# If you have to change one relationship name that is imported/exported,
+# you should add it to the RENAMES constant indicating the old name and the
+# new one.
+# The behavior of these renamed relationships should be transient and it should
+# only last one release until you completely remove the renaming from the list.
+#
+# When importing, this class will check the project hash and:
+# - if only the old relationship name is found, it will rename it with the new one
+# - if only the new relationship name is found, it will do nothing
+# - if it finds both, it will use the new relationship data
+#
+# When exporting, this class will duplicate the keys in the resulting file.
+# This way, if we open the file in an old version of the exporter it will work
+# and also it will with the newer versions.
+module Gitlab
+  module ImportExport
+    class RelationRenameService
+      RENAMES = {
+        'pipelines' => 'ci_pipelines' # Added in 11.6, remove in 11.7
+      }.freeze
+
+      def self.rename(tree_hash)
+        return unless tree_hash&.present?
+
+        RENAMES.each do |old_name, new_name|
+          old_entry = tree_hash.delete(old_name)
+
+          next if tree_hash[new_name]
+          next unless old_entry
+
+          tree_hash[new_name] = old_entry
+        end
+      end
+
+      def self.add_new_associations(tree_hash)
+        RENAMES.each do |old_name, new_name|
+          next if tree_hash.key?(old_name)
+
+          tree_hash[old_name] = tree_hash[new_name]
+        end
+      end
+    end
+  end
+end
diff --git a/spec/features/projects/commit/builds_spec.rb b/spec/features/projects/commit/builds_spec.rb
index bd254caddfb..caf69796d52 100644
--- a/spec/features/projects/commit/builds_spec.rb
+++ b/spec/features/projects/commit/builds_spec.rb
@@ -20,7 +20,7 @@ describe 'project commit pipelines', :js do
       visit pipelines_project_commit_path(project, project.commit.sha)
 
       page.within('.table-holder') do
-        expect(page).to have_content project.pipelines[0].id     # pipeline ids
+        expect(page).to have_content project.ci_pipelines[0].id     # pipeline ids
       end
     end
   end
diff --git a/spec/features/projects/pages_spec.rb b/spec/features/projects/pages_spec.rb
index 831f22a0e69..435fb229b69 100644
--- a/spec/features/projects/pages_spec.rb
+++ b/spec/features/projects/pages_spec.rb
@@ -300,7 +300,7 @@ describe 'Pages' do
         let(:pipeline) do
           commit_sha = project.commit('HEAD').sha
 
-          project.pipelines.create(
+          project.ci_pipelines.create(
             ref: 'HEAD',
             sha: commit_sha,
             source: :push,
diff --git a/spec/lib/gitlab/import_export/all_models.yml b/spec/lib/gitlab/import_export/all_models.yml
index fa01eb7901b..d9a4f1960ad 100644
--- a/spec/lib/gitlab/import_export/all_models.yml
+++ b/spec/lib/gitlab/import_export/all_models.yml
@@ -103,7 +103,7 @@ merge_request_diff_commits:
 - merge_request_diff
 merge_request_diff_files:
 - merge_request_diff
-pipelines:
+ci_pipelines:
 - project
 - user
 - stages
@@ -265,7 +265,8 @@ project:
 - notification_settings
 - import_data
 - commit_statuses
-- pipelines
+- ci_pipelines
+- all_pipelines
 - stages
 - builds
 - runner_projects
diff --git a/spec/lib/gitlab/import_export/project_tree_restorer_spec.rb b/spec/lib/gitlab/import_export/project_tree_restorer_spec.rb
index 7171e12a849..242c16c4bdc 100644
--- a/spec/lib/gitlab/import_export/project_tree_restorer_spec.rb
+++ b/spec/lib/gitlab/import_export/project_tree_restorer_spec.rb
@@ -197,9 +197,9 @@ describe Gitlab::ImportExport::ProjectTreeRestorer do
         end
 
         it 'has the correct number of pipelines and statuses' do
-          expect(@project.pipelines.size).to eq(5)
+          expect(@project.ci_pipelines.size).to eq(5)
 
-          @project.pipelines.zip([2, 2, 2, 2, 2])
+          @project.ci_pipelines.zip([2, 2, 2, 2, 2])
             .each do |(pipeline, expected_status_size)|
             expect(pipeline.statuses.size).to eq(expected_status_size)
           end
diff --git a/spec/lib/gitlab/import_export/project_tree_saver_spec.rb b/spec/lib/gitlab/import_export/project_tree_saver_spec.rb
index 5dc372263ad..46fdfba953b 100644
--- a/spec/lib/gitlab/import_export/project_tree_saver_spec.rb
+++ b/spec/lib/gitlab/import_export/project_tree_saver_spec.rb
@@ -119,16 +119,16 @@ describe Gitlab::ImportExport::ProjectTreeSaver do
       end
 
       it 'has pipeline stages' do
-        expect(saved_project_json.dig('pipelines', 0, 'stages')).not_to be_empty
+        expect(saved_project_json.dig('ci_pipelines', 0, 'stages')).not_to be_empty
       end
 
       it 'has pipeline statuses' do
-        expect(saved_project_json.dig('pipelines', 0, 'stages', 0, 'statuses')).not_to be_empty
+        expect(saved_project_json.dig('ci_pipelines', 0, 'stages', 0, 'statuses')).not_to be_empty
       end
 
       it 'has pipeline builds' do
         builds_count = saved_project_json
-          .dig('pipelines', 0, 'stages', 0, 'statuses')
+          .dig('ci_pipelines', 0, 'stages', 0, 'statuses')
           .count { |hash| hash['type'] == 'Ci::Build' }
 
         expect(builds_count).to eq(1)
@@ -142,11 +142,11 @@ describe Gitlab::ImportExport::ProjectTreeSaver do
       end
 
       it 'has pipeline commits' do
-        expect(saved_project_json['pipelines']).not_to be_empty
+        expect(saved_project_json['ci_pipelines']).not_to be_empty
       end
 
       it 'has ci pipeline notes' do
-        expect(saved_project_json['pipelines'].first['notes']).not_to be_empty
+        expect(saved_project_json['ci_pipelines'].first['notes']).not_to be_empty
       end
 
       it 'has labels with no associations' do
diff --git a/spec/lib/gitlab/import_export/relation_rename_service_spec.rb b/spec/lib/gitlab/import_export/relation_rename_service_spec.rb
new file mode 100644
index 00000000000..a20a844a492
--- /dev/null
+++ b/spec/lib/gitlab/import_export/relation_rename_service_spec.rb
@@ -0,0 +1,111 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe Gitlab::ImportExport::RelationRenameService do
+  let(:renames) do
+    {
+      'example_relation1' => 'new_example_relation1',
+      'example_relation2' => 'new_example_relation2'
+    }
+  end
+
+  let(:user) { create(:admin) }
+  let(:group) { create(:group, :nested) }
+  let!(:project) { create(:project, :builds_disabled, :issues_disabled, name: 'project', path: 'project') }
+  let(:shared) { project.import_export_shared }
+
+  before do
+    stub_const("#{described_class}::RENAMES", renames)
+  end
+
+  context 'when importing' do
+    let(:project_tree_restorer) { Gitlab::ImportExport::ProjectTreeRestorer.new(user: user, shared: shared, project: project) }
+    let(:import_path) { 'spec/lib/gitlab/import_export' }
+    let(:file_content) { IO.read("#{import_path}/project.json") }
+    let!(:json_file) { ActiveSupport::JSON.decode(file_content) }
+    let(:tree_hash) { project_tree_restorer.instance_variable_get(:@tree_hash) }
+
+    before do
+      allow(shared).to receive(:export_path).and_return(import_path)
+      allow(ActiveSupport::JSON).to receive(:decode).with(file_content).and_return(json_file)
+    end
+
+    context 'when the file has only old relationship names' do
+      # Configuring the json as an old version exported file, with only
+      # the previous association with the old name
+      before do
+        renames.each do |old_name, _|
+          json_file[old_name.to_s] = []
+        end
+      end
+
+      it 'renames old relationships to the new name' do
+        expect(json_file.keys).to include(*renames.keys)
+
+        project_tree_restorer.restore
+
+        expect(json_file.keys).to include(*renames.values)
+        expect(json_file.keys).not_to include(*renames.keys)
+      end
+    end
+
+    context 'when the file has both the old and new relationships' do
+      # Configuring the json as the new version exported file, with both
+      # the old association name and the new one
+      before do
+        renames.each do |old_name, new_name|
+          json_file[old_name.to_s] = [1]
+          json_file[new_name.to_s] = [2]
+        end
+      end
+
+      it 'uses the new relationships and removes the old ones from the hash' do
+        expect(json_file.keys).to include(*renames.keys)
+
+        project_tree_restorer.restore
+
+        expect(json_file.keys).to include(*renames.values)
+        expect(json_file.values_at(*renames.values).flatten.uniq.first).to eq 2
+        expect(json_file.keys).not_to include(*renames.keys)
+      end
+    end
+
+    context 'when the file has only new relationship names' do
+      # Configuring the json as the future version exported file, with only
+      # the new association name
+      before do
+        renames.each do |_, new_name|
+          json_file[new_name.to_s] = []
+        end
+      end
+
+      it 'uses the new relationships' do
+        expect(json_file.keys).not_to include(*renames.keys)
+
+        project_tree_restorer.restore
+
+        expect(json_file.keys).to include(*renames.values)
+      end
+    end
+  end
+
+  context 'when exporting' do
+    let(:project_tree_saver) { Gitlab::ImportExport::ProjectTreeSaver.new(project: project, current_user: user, shared: shared) }
+    let(:project_tree) { project_tree_saver.send(:project_json) }
+
+    it 'adds old relationships to the exported file' do
+      project_tree.merge!(renames.values.map { |new_name| [new_name, []] }.to_h)
+
+      allow(project_tree_saver).to receive(:save) do |arg|
+        project_tree_saver.send(:project_json_tree)
+      end
+
+      result = project_tree_saver.save
+
+      saved_data = ActiveSupport::JSON.decode(result)
+
+      expect(saved_data.keys).to include(*(renames.keys + renames.values))
+    end
+  end
+end
diff --git a/spec/models/ci/pipeline_spec.rb b/spec/models/ci/pipeline_spec.rb
index dcaea9d3f83..ba9540c84d4 100644
--- a/spec/models/ci/pipeline_spec.rb
+++ b/spec/models/ci/pipeline_spec.rb
@@ -33,8 +33,9 @@ describe Ci::Pipeline, :mailer do
 
   describe 'associations' do
     it 'has a bidirectional relationship with projects' do
-      expect(described_class.reflect_on_association(:project).has_inverse?).to eq(:pipelines)
-      expect(Project.reflect_on_association(:pipelines).has_inverse?).to eq(:project)
+      expect(described_class.reflect_on_association(:project).has_inverse?).to eq(:all_pipelines)
+      expect(Project.reflect_on_association(:all_pipelines).has_inverse?).to eq(:project)
+      expect(Project.reflect_on_association(:ci_pipelines).has_inverse?).to eq(:project)
     end
   end
 
@@ -1186,7 +1187,7 @@ describe Ci::Pipeline, :mailer do
       create(:ci_build, :allowed_to_fail, :failed, pipeline: pipeline, name: 'rubocop')
       create(:ci_build, :allowed_to_fail, :failed, pipeline: pipeline2, name: 'rubocop')
 
-      pipelines = project.pipelines.to_a
+      pipelines = project.ci_pipelines.to_a
 
       pipelines.each(&:number_of_warnings)
 
diff --git a/spec/models/project_spec.rb b/spec/models/project_spec.rb
index 54ad3c858d5..c0bc9eb2ef0 100644
--- a/spec/models/project_spec.rb
+++ b/spec/models/project_spec.rb
@@ -63,7 +63,7 @@ describe Project do
     it { is_expected.to have_one(:forked_from_project).through(:fork_network_member) }
     it { is_expected.to have_one(:auto_devops).class_name('ProjectAutoDevops') }
     it { is_expected.to have_many(:commit_statuses) }
-    it { is_expected.to have_many(:pipelines) }
+    it { is_expected.to have_many(:ci_pipelines) }
     it { is_expected.to have_many(:builds) }
     it { is_expected.to have_many(:build_trace_section_names)}
     it { is_expected.to have_many(:runner_projects) }
@@ -142,6 +142,29 @@ describe Project do
         expect(subject.boards.size).to eq 1
       end
     end
+
+    describe 'ci_pipelines association' do
+      context 'when feature flag pipeline_ci_sources_only is enabled' do
+        it 'returns only pipelines from ci_sources' do
+          stub_feature_flags(pipeline_ci_sources_only: true)
+
+          expect(Ci::Pipeline).to receive(:ci_sources).and_call_original
+
+          subject.ci_pipelines
+        end
+      end
+
+      context 'when feature flag pipeline_ci_sources_only is disabled' do
+        it 'returns all pipelines' do
+          stub_feature_flags(pipeline_ci_sources_only: false)
+
+          expect(Ci::Pipeline).not_to receive(:ci_sources).and_call_original
+          expect(Ci::Pipeline).to receive(:all).and_call_original.at_least(:once)
+
+          subject.ci_pipelines
+        end
+      end
+    end
   end
 
   describe 'modules' do
@@ -3373,7 +3396,7 @@ describe Project do
 
     context 'with a ref that is not the default branch' do
       it 'returns the latest successful pipeline for the given ref' do
-        expect(project.pipelines).to receive(:latest_successful_for).with('foo')
+        expect(project.ci_pipelines).to receive(:latest_successful_for).with('foo')
 
         project.latest_successful_pipeline_for('foo')
       end
@@ -3401,7 +3424,7 @@ describe Project do
     it 'memoizes and returns the latest successful pipeline for the default branch' do
       pipeline = double(:pipeline)
 
-      expect(project.pipelines).to receive(:latest_successful_for)
+      expect(project.ci_pipelines).to receive(:latest_successful_for)
         .with(project.default_branch)
         .and_return(pipeline)
         .once
diff --git a/spec/requests/api/commit_statuses_spec.rb b/spec/requests/api/commit_statuses_spec.rb
index cd43bec35df..a43304c9b83 100644
--- a/spec/requests/api/commit_statuses_spec.rb
+++ b/spec/requests/api/commit_statuses_spec.rb
@@ -16,8 +16,8 @@ describe API::CommitStatuses do
     let(:get_url) { "/projects/#{project.id}/repository/commits/#{sha}/statuses" }
 
     context 'ci commit exists' do
-      let!(:master) { project.pipelines.create(source: :push, sha: commit.id, ref: 'master', protected: false) }
-      let!(:develop) { project.pipelines.create(source: :push, sha: commit.id, ref: 'develop', protected: false) }
+      let!(:master) { project.ci_pipelines.create(source: :push, sha: commit.id, ref: 'master', protected: false) }
+      let!(:develop) { project.ci_pipelines.create(source: :push, sha: commit.id, ref: 'develop', protected: false) }
 
       context "reporter user" do
         let(:statuses_id) { json_response.map { |status| status['id'] } }
diff --git a/spec/requests/api/commits_spec.rb b/spec/requests/api/commits_spec.rb
index 329d069ef3d..9e599c2175f 100644
--- a/spec/requests/api/commits_spec.rb
+++ b/spec/requests/api/commits_spec.rb
@@ -818,7 +818,7 @@ describe API::Commits do
       end
 
       context 'when the ref has a pipeline' do
-        let!(:pipeline) { project.pipelines.create(source: :push, ref: 'master', sha: commit.sha, protected: false) }
+        let!(:pipeline) { project.ci_pipelines.create(source: :push, ref: 'master', sha: commit.sha, protected: false) }
 
         it 'includes a "created" status' do
           get api(route, current_user)
diff --git a/spec/requests/api/pipelines_spec.rb b/spec/requests/api/pipelines_spec.rb
index 638cc9767d4..2e4fa0f9e16 100644
--- a/spec/requests/api/pipelines_spec.rb
+++ b/spec/requests/api/pipelines_spec.rb
@@ -304,7 +304,7 @@ describe API::Pipelines do
         it 'creates and returns a new pipeline' do
           expect do
             post api("/projects/#{project.id}/pipeline", user), ref: project.default_branch
-          end.to change { project.pipelines.count }.by(1)
+          end.to change { project.ci_pipelines.count }.by(1)
 
           expect(response).to have_gitlab_http_status(201)
           expect(json_response).to be_a Hash
@@ -317,8 +317,8 @@ describe API::Pipelines do
           it 'creates and returns a new pipeline using the given variables' do
             expect do
               post api("/projects/#{project.id}/pipeline", user), ref: project.default_branch, variables: variables
-            end.to change { project.pipelines.count }.by(1)
-            expect_variables(project.pipelines.last.variables, variables)
+            end.to change { project.ci_pipelines.count }.by(1)
+            expect_variables(project.ci_pipelines.last.variables, variables)
 
             expect(response).to have_gitlab_http_status(201)
             expect(json_response).to be_a Hash
@@ -338,8 +338,8 @@ describe API::Pipelines do
           it 'creates and returns a new pipeline using the given variables' do
             expect do
               post api("/projects/#{project.id}/pipeline", user), ref: project.default_branch, variables: variables
-            end.to change { project.pipelines.count }.by(1)
-            expect_variables(project.pipelines.last.variables, variables)
+            end.to change { project.ci_pipelines.count }.by(1)
+            expect_variables(project.ci_pipelines.last.variables, variables)
 
             expect(response).to have_gitlab_http_status(201)
             expect(json_response).to be_a Hash
@@ -353,7 +353,7 @@ describe API::Pipelines do
             it "doesn't create a job" do
               expect do
                 post api("/projects/#{project.id}/pipeline", user), ref: project.default_branch
-              end.not_to change { project.pipelines.count }
+              end.not_to change { project.ci_pipelines.count }
 
               expect(response).to have_gitlab_http_status(400)
             end
diff --git a/spec/requests/api/triggers_spec.rb b/spec/requests/api/triggers_spec.rb
index 0ae6796d1e4..658df6945d2 100644
--- a/spec/requests/api/triggers_spec.rb
+++ b/spec/requests/api/triggers_spec.rb
@@ -39,7 +39,7 @@ describe API::Triggers do
     end
 
     context 'Have a commit' do
-      let(:pipeline) { project.pipelines.last }
+      let(:pipeline) { project.ci_pipelines.last }
 
       it 'creates pipeline' do
         post api("/projects/#{project.id}/trigger/pipeline"), options.merge(ref: 'master')
diff --git a/spec/services/ci/create_pipeline_service_spec.rb b/spec/services/ci/create_pipeline_service_spec.rb
index 7bc990f05c2..ccc6b0ef1c7 100644
--- a/spec/services/ci/create_pipeline_service_spec.rb
+++ b/spec/services/ci/create_pipeline_service_spec.rb
@@ -44,7 +44,7 @@ describe Ci::CreatePipelineService do
         expect(pipeline).to be_valid
         expect(pipeline).to be_persisted
         expect(pipeline).to be_push
-        expect(pipeline).to eq(project.pipelines.last)
+        expect(pipeline).to eq(project.ci_pipelines.last)
         expect(pipeline).to have_attributes(user: user)
         expect(pipeline).to have_attributes(status: 'pending')
         expect(pipeline.repository_source?).to be true
@@ -731,8 +731,8 @@ describe Ci::CreatePipelineService do
 
               it 'creates a merge request pipeline in the forked project' do
                 expect(pipeline).to be_persisted
-                expect(project.pipelines).to eq([pipeline])
-                expect(target_project.pipelines).to be_empty
+                expect(project.ci_pipelines).to eq([pipeline])
+                expect(target_project.ci_pipelines).to be_empty
               end
             end
 
diff --git a/spec/workers/pipeline_schedule_worker_spec.rb b/spec/workers/pipeline_schedule_worker_spec.rb
index bebcbe01009..ff408427926 100644
--- a/spec/workers/pipeline_schedule_worker_spec.rb
+++ b/spec/workers/pipeline_schedule_worker_spec.rb
@@ -25,12 +25,12 @@ describe PipelineScheduleWorker do
     context 'when there is a scheduled pipeline within next_run_at' do
       shared_examples 'successful scheduling' do
         it 'creates a new pipeline' do
-          expect { subject }.to change { project.pipelines.count }.by(1)
+          expect { subject }.to change { project.ci_pipelines.count }.by(1)
           expect(Ci::Pipeline.last).to be_schedule
 
           pipeline_schedule.reload
           expect(pipeline_schedule.next_run_at).to be > Time.now
-          expect(pipeline_schedule).to eq(project.pipelines.last.pipeline_schedule)
+          expect(pipeline_schedule).to eq(project.ci_pipelines.last.pipeline_schedule)
           expect(pipeline_schedule).to be_active
         end
       end
@@ -54,7 +54,7 @@ describe PipelineScheduleWorker do
       end
 
       it 'does not creates a new pipeline' do
-        expect { subject }.not_to change { project.pipelines.count }
+        expect { subject }.not_to change { project.ci_pipelines.count }
       end
     end
 
@@ -64,7 +64,7 @@ describe PipelineScheduleWorker do
       end
 
       it 'creates a failed pipeline with the reason' do
-        expect { subject }.to change { project.pipelines.count }.by(1)
+        expect { subject }.to change { project.ci_pipelines.count }.by(1)
         expect(Ci::Pipeline.last).to be_config_error
         expect(Ci::Pipeline.last.yaml_errors).not_to be_nil
       end
@@ -105,7 +105,7 @@ describe PipelineScheduleWorker do
     end
 
     it 'does not create a pipeline' do
-      expect { subject }.not_to change { project.pipelines.count }
+      expect { subject }.not_to change { project.ci_pipelines.count }
     end
 
     it 'does not raise an exception' do
@@ -135,7 +135,7 @@ describe PipelineScheduleWorker do
     end
 
     it 'does not create a pipeline' do
-      expect { subject }.not_to change { project.pipelines.count }
+      expect { subject }.not_to change { project.ci_pipelines.count }
     end
 
     it 'does not raise an exception' do