Add BINARY_PACKAGE to conan_file_metadatum

Add filename reference to avoid repeated variables

ee/app/models/packages/conan_file_metadatum.rb

@@ -19,4 +19,5 @@ class Packages::ConanFileMetadatum < ApplicationRecord
 
   RECIPE_FILES = %w[conanfile.py conanmanifest.txt].freeze
   PACKAGE_FILES = %w[conaninfo.txt conanmanifest.txt conan_package.tgz].freeze
+  PACKAGE_BINARY = 'conan_package.tgz'
 end

ee/lib/api/conan_packages.rb

@@ -187,6 +187,8 @@ module API
         delete do
           authorize!(:destroy_package, project)
 
+          track_event('delete_package')
+
           package.destroy
         end
       end
@@ -373,6 +375,8 @@ module API
         package_file = ::Packages::PackageFileFinder
           .new(package, "#{params[:file_name]}", conan_file_type: file_type).execute!
 
+        track_event('pull_package') if params[:file_name] == ::Packages::ConanFileMetadatum::PACKAGE_BINARY
+
         present_carrierwave_file!(package_file.file)
       end
 
@@ -384,6 +388,8 @@ module API
 
         current_package = package || ::Packages::Conan::CreatePackageService.new(project, current_user, params).execute
 
+        track_event('push_package') if params[:file_name] == ::Packages::ConanFileMetadatum::PACKAGE_BINARY && params['file.size'].positive?
+
         # conan sends two upload requests, the first has no file, so we skip record creation if file.size == 0
         ::Packages::Conan::CreatePackageFileService.new(current_package, uploaded_file, params.merge(conan_file_type: file_type)).execute unless params['file.size'] == 0
       rescue ObjectStorage::RemoteStoreError => e

ee/spec/requests/api/conan_packages_spec.rb

@@ -434,6 +434,8 @@ describe API::ConanPackages do
           project.add_maintainer(user)
         end
 
+        it_behaves_like 'a gitlab tracking event', described_class.name, 'delete_package'
+
         it 'deletes a package' do
           expect { subject }.to change { Packages::Package.count }.from(2).to(1)
         end
@@ -546,6 +548,12 @@ describe API::ConanPackages do
       it_behaves_like 'an internal project with packages'
       it_behaves_like 'a private project with packages'
       it_behaves_like 'a project is not found'
+
+      context 'tracking the conan_package.tgz download' do
+        let(:package_file) { package.package_files.find_by(file_name: ::Packages::ConanFileMetadatum::PACKAGE_BINARY) }
+
+        it_behaves_like 'a gitlab tracking event', described_class.name, 'pull_package'
+      end
     end
   end
 
@@ -783,6 +791,11 @@ describe API::ConanPackages do
 
       it_behaves_like 'rejects invalid recipe'
       it_behaves_like 'uploads a package file'
+      context 'tracking the conan_package.tgz upload' do
+        let(:file_name) { ::Packages::ConanFileMetadatum::PACKAGE_BINARY }
+
+        it_behaves_like 'a gitlab tracking event', described_class.name, 'push_package'
+      end
     end
 
     def temp_file(package_tmp)