Backfill chat archives under the "chat" quality

backfiller/backfiller/main.py

@@ -131,9 +131,17 @@ def get_remote_segment(base_dir, node, channel, quality, hour, missing_segment,
 		return
 	
 	dir_name = os.path.dirname(path)
-	date, duration, _ = os.path.basename(path).split('-', 2)
-	temp_name = "-".join([date, duration, "temp", str(uuid.uuid4())])
-	temp_path = os.path.join(dir_name, "{}.ts".format(temp_name))
+	if quality == "chat":
+		# chat segment
+		_, filename_hash = os.path.basename(path).split('-', 1)
+		temp_name = "{}.{}.temp".format(os.path.basename(path), uuid4())
+	else:
+		# video segment
+		date, duration, _ = os.path.basename(path).split('-', 2)
+		filename_hash = common.parse_segment_path(missing_segment).hash
+		temp_name = "{}.ts".format("-".join([date, duration, "temp", str(uuid.uuid4())]))
+
+	temp_path = os.path.join(dir_name, temp_name)
 	common.ensure_directory(temp_path)
 	hash = hashlib.sha256()
 
@@ -149,7 +157,6 @@ def get_remote_segment(base_dir, node, channel, quality, hour, missing_segment,
 				common.writeall(f.write, chunk)
 				hash.update(chunk)
 
-		filename_hash = common.parse_segment_path(missing_segment).hash
 		if filename_hash != hash.digest():
 			logger.warn('Hash of segment {} does not match. Discarding segment'.format(missing_segment))
 			hash_mismatches.labels(remote=node, channel=channel, quality=quality, hour=hour).inc()

chat_archiver/chat_archiver/main.py

@@ -187,6 +187,7 @@ class Archiver(object):
 
 
 def write_batch(path, batch_time, messages):
+	"""Batches are named PATH/YYYY-MM-DDTHH/MM:SS-HASH.json"""
 	output = (format_batch(messages) + '\n').encode('utf-8')
 	hash = base64.b64encode(hashlib.sha256(output).digest(), b"-_").decode().rstrip("=")
 	hour = datetime.utcfromtimestamp(batch_time).strftime("%Y-%m-%dT%H")

restreamer/restreamer/main.py

@@ -181,6 +181,9 @@ def generate_master_playlist(channel):
 
 	playlists = {}
 	for quality in qualities:
+		# "chat" is text only, not an actual video quality
+		if quality == "chat":
+			continue
 		# If start or end are given, try to restrict offered qualities to ones which exist for that
 		# time range.
 		if start is not None or end is not None: