Add background migrations to arhive legacy traces

1 files changed, 79 insertions, 0 deletions

diff --git a/lib/gitlab/background_migration/archive_legacy_traces.rb b/lib/gitlab/background_migration/archive_legacy_traces.rb
new file mode 100644
index 00000000000..9741a7c181e
--- /dev/null
+++ b/lib/gitlab/background_migration/archive_legacy_traces.rb
@@ -0,0 +1,79 @@
+# frozen_string_literal: true
+# rubocop:disable Metrics/AbcSize
+# rubocop:disable Style/Documentation
+
+module Gitlab
+  module BackgroundMigration
+    class ArchiveLegacyTraces
+      class Build < ActiveRecord::Base
+        include ::HasStatus
+
+        self.table_name = 'ci_builds'
+        self.inheritance_column = :_type_disabled # Disable STI
+
+        belongs_to :project, foreign_key: :project_id, class_name: 'ArchiveLegacyTraces::Project'
+        has_one :job_artifacts_trace, -> () { where(file_type: ArchiveLegacyTraces::JobArtifact.file_types[:trace]) }, class_name: 'ArchiveLegacyTraces::JobArtifact', foreign_key: :job_id
+        has_many :trace_chunks, foreign_key: :build_id, class_name: 'ArchiveLegacyTraces::BuildTraceChunk'
+    
+        scope :finished, -> { where(status: [:success, :failed, :canceled]) }
+
+        scope :without_new_traces, ->() do
+          finished.where('NOT EXISTS (?)',
+            BackgroundMigration::ArchiveLegacyTraces::JobArtifact.select(1).trace.where('ci_builds.id = ci_job_artifacts.job_id'))
+        end
+
+        def trace
+          ::Gitlab::Ci::Trace.new(self)
+        end
+
+        def trace=(data)
+          raise NotImplementedError
+        end
+    
+        def old_trace
+          read_attribute(:trace)
+        end
+    
+        def erase_old_trace!
+          update_column(:trace, nil)
+        end
+      end
+
+      class JobArtifact < ActiveRecord::Base
+        self.table_name = 'ci_job_artifacts'
+
+        belongs_to :build
+        belongs_to :project
+
+        mount_uploader :file, JobArtifactUploader
+
+        enum file_type: {
+          archive: 1,
+          metadata: 2,
+          trace: 3
+        }
+      end
+
+      class BuildTraceChunk < ActiveRecord::Base
+        self.table_name = 'ci_build_trace_chunks'
+
+        belongs_to :build
+      end
+
+      class Project < ActiveRecord::Base
+        self.table_name = 'projects'
+
+        has_many :builds, foreign_key: :project_id, class_name: 'ArchiveLegacyTraces::Build'
+      end
+
+      def perform(start_id, stop_id)
+        BackgroundMigration::ArchiveLegacyTraces::Build
+          .finished
+          .without_new_traces
+          .where(id: (start_id..stop_id)).find_each do |build|
+            build.trace.archive!
+          end
+      end
+    end
+  end
+end