Add event store for Geo::ResetChecksumEvent

ee/app/services/geo/reset_checksum_event_store.rb

+# frozen_string_literal: true
+
+module Geo
+  class ResetChecksumEventStore < EventStore
+    self.event_type = :reset_checksum_event
+
+    private
+
+    def build_event
+      Geo::ResetChecksumEvent.new(project: project)
+    end
+  end
+end

ee/spec/services/geo/reset_checksum_event_store_spec.rb

+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe Geo::ResetChecksumEventStore do
+  include EE::GeoHelpers
+
+  set(:project) { create(:project) }
+  set(:secondary_node) { create(:geo_node) }
+
+  subject { described_class.new(project) }
+
+  describe '#create' do
+    it_behaves_like 'a Geo event store', Geo::ResetChecksumEvent
+
+    context 'when running on a primary node' do
+      before do
+        stub_primary_node
+      end
+
+      it 'tracks the project that checksum must be wiped' do
+        subject.create
+
+        expect(Geo::ResetChecksumEvent.last).to have_attributes(project_id: project.id)
+      end
+    end
+  end
+end

ee/spec/support/shared_examples/geo_event_store_shared_examples.rb

 # frozen_string_literal: true
 
 shared_examples_for 'a Geo event store' do |event_class|
-  context 'running on a secondary node' do
+  context 'when running on a secondary node' do
     before do
       stub_secondary_node
     end