1 files changed, 0 insertions, 82 deletions
diff --git a/lib/gitlab/background_migration/populate_cluster_kubernetes_namespace_table.rb b/lib/gitlab/background_migration/populate_cluster_kubernetes_namespace_table.rb
deleted file mode 100644
index fcbcaacb2d6..00000000000
--- a/lib/gitlab/background_migration/populate_cluster_kubernetes_namespace_table.rb
+++ /dev/null
@@ -1,82 +0,0 @@
-# frozen_string_literal: true
-#
-# rubocop:disable Style/Documentation
-
-module Gitlab
-  module BackgroundMigration
-    class PopulateClusterKubernetesNamespaceTable
-      include Gitlab::Database::MigrationHelpers
-
-      BATCH_SIZE = 1_000
-
-      module Migratable
-        class KubernetesNamespace < ActiveRecord::Base
-          self.table_name = 'clusters_kubernetes_namespaces'
-        end
-
-        class ClusterProject < ActiveRecord::Base
-          include EachBatch
-
-          self.table_name = 'cluster_projects'
-
-          belongs_to :project
-
-          def self.with_no_kubernetes_namespace
-            where.not(id: Migratable::KubernetesNamespace.select(:cluster_project_id))
-          end
-
-          def namespace
-            slug = "#{project.path}-#{project.id}".downcase
-            slug.gsub(/[^-a-z0-9]/, '-').gsub(/^-+/, '')
-          end
-
-          def service_account
-            "#{namespace}-service-account"
-          end
-        end
-
-        class Project < ActiveRecord::Base
-          self.table_name = 'projects'
-        end
-      end
-
-      def perform
-        cluster_projects_with_no_kubernetes_namespace.each_batch(of: BATCH_SIZE) do |cluster_projects_batch, index|
-          sql_values = sql_values_for(cluster_projects_batch)
-
-          insert_into_cluster_kubernetes_namespace(sql_values)
-        end
-      end
-
-      private
-
-      def cluster_projects_with_no_kubernetes_namespace
-        Migratable::ClusterProject.with_no_kubernetes_namespace
-      end
-
-      def sql_values_for(cluster_projects)
-        cluster_projects.map do |cluster_project|
-          values_for_cluster_project(cluster_project)
-        end
-      end
-
-      def values_for_cluster_project(cluster_project)
-        {
-          cluster_project_id: cluster_project.id,
-          cluster_id: cluster_project.cluster_id,
-          project_id: cluster_project.project_id,
-          namespace: cluster_project.namespace,
-          service_account_name: cluster_project.service_account,
-          created_at: 'NOW()',
-          updated_at: 'NOW()'
-        }
-      end
-
-      def insert_into_cluster_kubernetes_namespace(rows)
-        Gitlab::Database.bulk_insert(Migratable::KubernetesNamespace.table_name, # rubocop:disable Gitlab/BulkInsert
-                                     rows,
-                                     disable_quote: [:created_at, :updated_at])
-      end
-    end
-  end
-end