Exclude project bot from license seat

Project bots are not counted as a seat
in license. This MR adds changes to
exclude them from GitLab.com licensing.
Excludng from self-managed has been
handled in MR gitlab-org/gitlab/-/merge_requests/28169.

app/models/concerns/has_user_type.rb

@@ -24,6 +24,7 @@ module HasUserType
     scope :bots_without_project_bot, -> { where(user_type: BOT_USER_TYPES - ['project_bot']) }
     scope :non_internal, -> { humans.or(where(user_type: NON_INTERNAL_USER_TYPES)) }
     scope :without_ghosts, -> { humans.or(where.not(user_type: :ghost)) }
+    scope :without_project_bot, -> { humans.or(where.not(user_type: :project_bot)) }
 
     enum user_type: USER_TYPES
 

app/models/members/project_member.rb

@@ -17,6 +17,11 @@ class ProjectMember < Member
       .where('projects.namespace_id in (?)', groups.select(:id))
   end
 
+  scope :without_project_bots, -> do
+    left_join_users
+      .merge(User.without_project_bot)
+  end
+
   class << self
     # Add users to projects with passed access option
     #

db/migrate/20200515155620_add_index_non_requested_project_members_on_source_id_source_type.rb

+# frozen_string_literal: true
+
+class AddIndexNonRequestedProjectMembersOnSourceIdSourceType < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  disable_ddl_transaction!
+
+  def up
+    add_concurrent_index(:members, [:source_id, :source_type], where: "requested_at IS NULL and type = 'ProjectMember'", name: 'index_non_requested_project_members_on_source_id_and_type')
+  end
+
+  def down
+    remove_concurrent_index_by_name(:members, 'index_non_requested_project_members_on_source_id_and_type')
+  end
+end

db/structure.sql

@@ -10085,6 +10085,8 @@ CREATE INDEX index_namespaces_on_trial_ends_on ON public.namespaces USING btree
 
 CREATE INDEX index_namespaces_on_type_partial ON public.namespaces USING btree (type) WHERE (type IS NOT NULL);
 
+CREATE INDEX index_non_requested_project_members_on_source_id_and_type ON public.members USING btree (source_id, source_type) WHERE ((requested_at IS NULL) AND ((type)::text = 'ProjectMember'::text));
+
 CREATE UNIQUE INDEX index_note_diff_files_on_diff_note_id ON public.note_diff_files USING btree (diff_note_id);
 
 CREATE INDEX index_notes_on_author_id_and_created_at_and_id ON public.notes USING btree (author_id, created_at, id);
@@ -13829,5 +13831,6 @@ COPY "schema_migrations" (version) FROM STDIN;
 20200514000009
 20200514000132
 20200514000340
+20200515155620
 \.
 

ee/app/models/ee/group.rb

@@ -389,7 +389,7 @@ module EE
 
     # Members belonging directly to Projects within Group or Projects within subgroups
     def billed_project_members
-      ::ProjectMember.active_without_invites_and_requests.where(
+      ::ProjectMember.active_without_invites_and_requests.without_project_bots.where(
         source_id: ::Project.joins(:group).where(namespace: self_and_descendants)
       )
     end

ee/spec/models/ee/namespace_spec.rb

@@ -875,6 +875,14 @@ describe Namespace do
     end
   end
 
+  shared_context 'project bot users' do
+    let(:project_bot) { create(:user, :project_bot) }
+
+    before do
+      project.add_maintainer(project_bot)
+    end
+  end
+
   describe '#billed_user_ids' do
     context 'with a user namespace' do
       let(:user) { create(:user) }
@@ -919,6 +927,12 @@ describe Namespace do
             expect(group.billed_user_ids).to match_array([project_developer.id, developer.id])
           end
 
+          context 'with project bot users' do
+            include_context 'project bot users'
+
+            it { expect(group.billed_user_ids).not_to include(project_bot.id) }
+          end
+
           context 'when group is invited to the project' do
             let(:invited_group) { create(:group) }
             let(:invited_group_developer) { create(:user) }
@@ -1033,6 +1047,12 @@ describe Namespace do
               expect(group.billed_user_ids).to match_array([guest.id, developer.id, project_guest.id, project_developer.id])
             end
 
+            context 'with project bot users' do
+              include_context 'project bot users'
+
+              it { expect(group.billed_user_ids).not_to include(project_bot.id) }
+            end
+
             context 'when group is invited to the project' do
               let(:invited_group) { create(:group) }
               let(:invited_group_developer) { create(:user) }
@@ -1124,6 +1144,12 @@ describe Namespace do
             expect(group.billable_members_count).to eq(2)
           end
 
+          context 'with project bot users' do
+            include_context 'project bot users'
+
+            it { expect(group.billable_members_count).to eq(2) }
+          end
+
           context 'when group is invited to the project' do
             let(:invited_group) { create(:group) }
 
@@ -1181,6 +1207,12 @@ describe Namespace do
               expect(group.billable_members_count).to eq(4)
             end
 
+            context 'with project bot users' do
+              include_context 'project bot users'
+
+              it { expect(group.billable_members_count).to eq(4) }
+            end
+
             context 'when group is invited to the project' do
               let(:invited_group) { create(:group) }
 

spec/models/concerns/has_user_type_spec.rb

@@ -49,6 +49,12 @@ describe User do
       end
     end
 
+    describe '.without_project_bot' do
+      it 'includes everyone except project_bot' do
+        expect(described_class.without_project_bot).to match_array(everyone - [project_bot])
+      end
+    end
+
     describe '#bot?' do
       it 'is true for all bot user types and false for others' do
         expect(bots).to all(be_bot)