Class: S3Inventory
- Inherits:
-
Object
- Object
- S3Inventory
- Defined in:
- lib/s3_inventory.rb
Constant Summary collapse
- CSV_KEY_INDEX =
1
- CSV_ETAG_INDEX =
2
- INVENTORY_PREFIX =
"inventory"
- INVENTORY_LAG =
2.days
- WAIT_AFTER_RESTORE_DAYS =
2
Instance Attribute Summary collapse
-
#inventory_date ⇒ Object
readonly
Returns the value of attribute inventory_date.
-
#s3_helper ⇒ Object
readonly
Returns the value of attribute s3_helper.
-
#type ⇒ Object
readonly
Returns the value of attribute type.
Instance Method Summary collapse
- #backfill_etags_and_list_missing ⇒ Object
- #decompress_inventory_file(file) ⇒ Object
- #download_inventory_file_to_tmp_directory(file) ⇒ Object
- #for_each_inventory_row ⇒ Object
-
#initialize(type, s3_inventory_bucket:, preloaded_inventory_file: nil, preloaded_inventory_date: nil, s3_options: {}) ⇒ S3Inventory
constructor
A new instance of S3Inventory.
- #prepare_for_all_sites ⇒ Object
- #s3_client ⇒ Object
Constructor Details
#initialize(type, s3_inventory_bucket:, preloaded_inventory_file: nil, preloaded_inventory_date: nil, s3_options: {}) ⇒ S3Inventory
Returns a new instance of S3Inventory.
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# File 'lib/s3_inventory.rb', line 15 def initialize( type, s3_inventory_bucket:, preloaded_inventory_file: nil, preloaded_inventory_date: nil, s3_options: {} ) @s3_helper = S3Helper.new(s3_inventory_bucket, "", ) if preloaded_inventory_file && preloaded_inventory_date # Data preloaded, so we don't need to fetch it again @preloaded_inventory_file = preloaded_inventory_file @inventory_date = preloaded_inventory_date end if type == :upload @type = "original" @model = Upload @scope = @model.by_users.without_s3_file_missing_confirmed_verification_status elsif type == :optimized @type = "optimized" @scope = @model = OptimizedImage else raise "Invalid type: #{type}" end end |
Instance Attribute Details
#inventory_date ⇒ Object (readonly)
Returns the value of attribute inventory_date.
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# File 'lib/s3_inventory.rb', line 7 def inventory_date @inventory_date end |
#s3_helper ⇒ Object (readonly)
Returns the value of attribute s3_helper.
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# File 'lib/s3_inventory.rb', line 7 def s3_helper @s3_helper end |
#type ⇒ Object (readonly)
Returns the value of attribute type.
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# File 'lib/s3_inventory.rb', line 7 def type @type end |
Instance Method Details
#backfill_etags_and_list_missing ⇒ Object
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# File 'lib/s3_inventory.rb', line 42 def if !@preloaded_inventory_file && files.blank? error("Failed to list inventory from S3") return end DistributedMutex.synchronize("s3_inventory_list_missing_#{type}", validity: 30.minutes) do begin download_and_decompress_files if !@preloaded_inventory_file multisite_prefix = Discourse.store.upload_path ActiveRecord::Base.transaction do begin connection.exec( "CREATE TEMP TABLE #{tmp_table_name}(url text UNIQUE, etag text, PRIMARY KEY(etag, url))", ) connection.copy_data("COPY #{tmp_table_name} FROM STDIN CSV") do for_each_inventory_row do |row| key = row[CSV_KEY_INDEX] next if Rails.configuration.multisite && key.exclude?(multisite_prefix) next if key.exclude?("#{type}/") url = File.join(Discourse.store.absolute_base_url, key) connection.put_copy_data("#{url},#{row[CSV_ETAG_INDEX]}\n") end end table_name = @model.table_name # backfilling etags connection.async_exec( "UPDATE #{table_name} SET etag = #{tmp_table_name}.etag FROM #{tmp_table_name} WHERE #{table_name}.etag IS NULL AND #{table_name}.url = #{tmp_table_name}.url", ) uploads = @scope.where("updated_at < ?", inventory_date) missing_uploads = uploads.joins( "LEFT JOIN #{tmp_table_name} ON #{tmp_table_name}.etag = #{table_name}.etag", ).where("#{tmp_table_name}.etag IS NULL") exists_with_different_etag = missing_uploads .joins( "LEFT JOIN #{tmp_table_name} inventory2 ON inventory2.url = #{table_name}.url", ) .where("inventory2.etag IS NOT NULL") .pluck(:id) # marking as verified/not verified if @model == Upload sql_params = { inventory_date: inventory_date, invalid_etag: Upload.verification_statuses[:invalid_etag], s3_file_missing_confirmed: Upload.verification_statuses[:s3_file_missing_confirmed], verified: Upload.verification_statuses[:verified], seeded_id_threshold: @model::SEEDED_ID_THRESHOLD, } DB.exec(<<~SQL, sql_params) UPDATE #{table_name} SET verification_status = :verified WHERE etag IS NOT NULL AND verification_status <> :verified AND verification_status <> :s3_file_missing_confirmed AND updated_at < :inventory_date AND id > :seeded_id_threshold AND EXISTS ( SELECT 1 FROM #{tmp_table_name} WHERE #{tmp_table_name}.etag = #{table_name}.etag ) SQL DB.exec(<<~SQL, sql_params) UPDATE #{table_name} SET verification_status = :invalid_etag WHERE verification_status <> :invalid_etag AND verification_status <> :s3_file_missing_confirmed AND updated_at < :inventory_date AND id > :seeded_id_threshold AND NOT EXISTS ( SELECT 1 FROM #{tmp_table_name} WHERE #{tmp_table_name}.etag = #{table_name}.etag ) SQL end if (missing_count = missing_uploads.count) > 0 missing_uploads .select(:id, :url) .find_each do |upload| if exists_with_different_etag.include?(upload.id) log "#{upload.url} has different etag" else log upload.url end end log "#{missing_count} of #{uploads.count} #{@scope.name.underscore.pluralize} are missing" if exists_with_different_etag.present? log "#{exists_with_different_etag.count} of these are caused by differing etags" log "Null the etag column and re-run for automatic backfill" end end set_missing_s3_discourse_stats(missing_count) ensure connection.exec("DROP TABLE #{tmp_table_name}") unless connection.nil? end end ensure cleanup! end end end |
#decompress_inventory_file(file) ⇒ Object
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# File 'lib/s3_inventory.rb', line 186 def decompress_inventory_file(file) log "Decompressing inventory file '#{file[:filename]}', this may take a while..." Discourse::Utils.execute_command( "gzip", "--decompress", file[:filename], failure_message: "Failed to decompress inventory file '#{file[:filename]}'.", chdir: tmp_directory, ) end |
#download_inventory_file_to_tmp_directory(file) ⇒ Object
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# File 'lib/s3_inventory.rb', line 177 def download_inventory_file_to_tmp_directory(file) return if File.exist?(file[:filename]) log "Downloading inventory file '#{file[:key]}' to tmp directory..." = "Failed to inventory file '#{file[:key]}' to tmp directory." @s3_helper.download_file(file[:key], file[:filename], ) end |
#for_each_inventory_row ⇒ Object
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# File 'lib/s3_inventory.rb', line 169 def for_each_inventory_row if @preloaded_inventory_file CSV.foreach(@preloaded_inventory_file) { |row| yield(row) } else files.each { |file| CSV.foreach(file[:filename][0...-3]) { |row| yield(row) } } end end |
#prepare_for_all_sites ⇒ Object
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# File 'lib/s3_inventory.rb', line 197 def prepare_for_all_sites db_names = RailsMultisite::ConnectionManagement.all_dbs db_files = {} db_names.each { |db| db_files[db] = Tempfile.new("#{db}-inventory.csv") } download_and_decompress_files for_each_inventory_row do |row| key = row[CSV_KEY_INDEX] row_db = key.match(%r{uploads/([^/]+)/})&.[](1) if row_db && file = db_files[row_db] file.write(row.to_csv) end end db_names.each { |db| db_files[db].rewind } db_files ensure cleanup! end |
#s3_client ⇒ Object
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# File 'lib/s3_inventory.rb', line 219 def s3_client @s3_helper.s3_client end |