X-Git-Url: https://git.openstreetmap.org./chef.git/blobdiff_plain/73c1c017c5a76b80243a8b5d736d8dd554618615..cfaa1679d12e0d90d40ba7904b47f993cc514397:/cookbooks/planet/files/default/replication-bin/replicate-changesets diff --git a/cookbooks/planet/files/default/replication-bin/replicate-changesets b/cookbooks/planet/files/default/replication-bin/replicate-changesets old mode 100644 new mode 100755 index ef6a27eb9..0c53856d9 --- a/cookbooks/planet/files/default/replication-bin/replicate-changesets +++ b/cookbooks/planet/files/default/replication-bin/replicate-changesets @@ -100,7 +100,7 @@ class ChangesetBuilder xml["comments_count"] = res.num_tuples.to_s # early return if there aren't any comments - return unless res.num_tuples > 0 + return unless res.num_tuples.positive? discussion = XML::Node.new("discussion") res.each do |row| @@ -128,10 +128,7 @@ end # to guarantee sync for newly created directories. def fdirsync(d) while d != "/" - Dir.open(d) do |dh| - io = IO.for_fd(dh.fileno) - io.fsync - end + fsync(d) d = File.dirname(d) end end @@ -141,16 +138,16 @@ end # replicated to a file. class Replicator def initialize(config) - @config = YAML.load(File.read(config)) - @state = YAML.load(File.read(@config["state_file"])) - @conn = PGconn.connect(@config["db"]) - @now = Time.now.getutc + @config = YAML.safe_load(File.read(config)) + @state = YAML.safe_load(File.read(@config["state_file"]), [Time]) + @conn = PG::Connection.connect(@config["db"]) + # get current time from the database rather than the current system + @now = @conn.exec("select now() as now").map { |row| Time.parse(row["now"]) }[0] end def open_changesets last_run = @state["last_run"] last_run = (@now - 60) if last_run.nil? - @state["last_run"] = @now # pretty much all operations on a changeset will modify its closed_at # time (see rails_port's changeset model). so it is probably enough # for us to look at anything that was closed recently, and filter from @@ -167,7 +164,7 @@ class Replicator new_ids = @conn .exec("select distinct changeset_id from changeset_comments where created_at >= '#{last_run}' and created_at < '#{@now}' and visible") .map { |row| row["changeset_id"].to_i } - .select { |c_id| !cs_ids.include?(c_id) } + .reject { |c_id| cs_ids.include?(c_id) } new_ids.each do |id| @conn @@ -187,8 +184,8 @@ class Replicator { "version" => "0.6", "generator" => "replicate_changesets.rb", "copyright" => "OpenStreetMap and contributors", - "attribution" => "http://www.openstreetmap.org/copyright", - "license" => "http://opendatacommons.org/licenses/odbl/1-0/" } + "attribution" => "https://www.openstreetmap.org/copyright", + "license" => "https://opendatacommons.org/licenses/odbl/1-0/" } .each { |k, v| doc.root[k] = v } builder = ChangesetBuilder.new(@now, @conn) @@ -199,23 +196,28 @@ class Replicator doc.to_s end + def sequence + @state.key?("sequence") ? @state["sequence"] + 1 : 0 + end + def data_stem - sequence = (@state.key?("sequence") ? @state["sequence"] + 1 : 0) @config["data_dir"] + format("/%03d/%03d/%03d", sequence / 1000000, (sequence / 1000) % 1000, (sequence % 1000)) end - def write_tmp_files! + def s3_stem + @config["s3_dir"] + format("/%03d/%03d/%03d", sequence / 1000000, (sequence / 1000) % 1000, (sequence % 1000)) + end + + def write_tmp_files!(changesets) data_file = data_stem + ".osm.gz" tmp_state = @config["state_file"] + ".tmp" tmp_data = data_file + ".tmp" FileUtils.mkdir_p(File.dirname(data_file)) Zlib::GzipWriter.open(tmp_data) do |fh| - fh.write(changeset_dump(open_changesets)) - end - File.open(tmp_state, "w") do |fh| - fh.write(YAML.dump(@state)) + fh.write(changeset_dump(changesets)) end + File.write(tmp_state, YAML.dump(@state)) # fsync the files in their old locations. fsync(tmp_data) @@ -254,27 +256,43 @@ class Replicator # from the dirent and has been updated to account for any allocations. fdirsync(File.dirname(data_file)) fdirsync(File.dirname(@config["state_file"])) + + if @config["s3_dir"] + s3_file = s3_stem + ".osm.gz" + s3_state_file = s3_stem + ".state.txt" + s3_state_config_file = @config["s3_dir"] + "/state.yaml" + + system("/opt/awscli/v2/current/bin/aws", "--profile=osm-pds-upload", "s3", "cp", "--storage-class=INTELLIGENT_TIERING", "--no-progress", data_file, s3_file) + system("/opt/awscli/v2/current/bin/aws", "--profile=osm-pds-upload", "s3", "cp", "--storage-class=INTELLIGENT_TIERING", "--no-progress", data_state_file, s3_state_file) + system("/opt/awscli/v2/current/bin/aws", "--profile=osm-pds-upload", "s3", "cp", "--storage-class=INTELLIGENT_TIERING", "--no-progress", @config["state_file"], s3_state_config_file) + end end # saves new state (including the changeset dump xml) def save! - File.open(@config["state_file"], "r") do |fl| - fl.flock(File::LOCK_EX) + File.open(@config["lock_file"], File::RDWR | File::CREAT, 0o600) do |fl| + # take the lock in non-blocking mode. if this process doesn't get the lock + # then another will be run from cron shortly. this prevents a whole bunch + # of processes queueing on the lock and causing weirdness if/when they + # get woken up in a random order. + got_lock = fl.flock(File::LOCK_EX | File::LOCK_NB) + break unless got_lock # try and write the files to tmp locations and then # move them into place later, to avoid in-progress # clashes, or people seeing incomplete files. begin + changesets = open_changesets @state["sequence"] = sequence + @state["last_run"] = @now - write_tmp_files! + write_tmp_files!(changesets) move_tmp_files_into_place! fl.flock(File::LOCK_UN) - - rescue - STDERR.puts("Error! Couldn't update state.") + rescue StandardError + warn "Error! Couldn't update state." fl.flock(File::LOCK_UN) raise end @@ -286,6 +304,9 @@ begin rep = Replicator.new(ARGV[0]) rep.save! rescue StandardError => e - STDERR.puts "ERROR: #{e.message}" + warn "ERROR: #{e.message}" + e.backtrace.each do |frame| + warn "ERROR: #{frame}" + end exit 1 end