X-Git-Url: https://git.openstreetmap.org/chef.git/blobdiff_plain/6f1d56621dda1ece67e1513e5d3256915344944c..8df838bf09d95282ba29ddde8b504e0affc5f06e:/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 b15351388..92103bb1f
--- 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|
@@ -141,16 +141,16 @@ end
 # replicated to a file.
 class Replicator
   def initialize(config)
-    @config = YAML.load(File.read(config))
-    @state = YAML.load(File.read(@config["state_file"]))
+    @config = YAML.safe_load(File.read(config))
+    @state = YAML.safe_load(File.read(@config["state_file"]), [Time])
     @conn = PGconn.connect(@config["db"])
-    @now = Time.now.getutc
+    # 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 +167,7 @@ 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
@@ -200,21 +200,21 @@ class Replicator
   end
 
   def sequence
-    sequence = (@state.key?("sequence") ? @state["sequence"] + 1 : 0)
+    @state.key?("sequence") ? @state["sequence"] + 1 : 0
   end
 
   def data_stem
     @config["data_dir"] + format("/%03d/%03d/%03d", sequence / 1000000, (sequence / 1000) % 1000, (sequence % 1000))
   end
 
-  def write_tmp_files!
+  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))
+      fh.write(changeset_dump(changesets))
     end
     File.open(tmp_state, "w") do |fh|
       fh.write(YAML.dump(@state))
@@ -268,15 +268,16 @@ class Replicator
       # 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
+      rescue StandardError
         STDERR.puts("Error! Couldn't update state.")
         fl.flock(File::LOCK_UN)
         raise