monolith/db.py

135 lines
3.6 KiB
Python

import random
import aioredis
import orjson
# Kafka
from aiokafka import AIOKafkaProducer
from redis import StrictRedis
import util
# KAFKA_TOPIC = "msg"
log = util.get_logger("db")
# Redis (legacy)
r = StrictRedis(unix_socket_path="/var/run/redis/redis.sock", db=0)
# AIORedis
ar = aioredis.from_url("unix:///var/run/redis/redis.sock", db=0)
TYPES_MAIN = [
"msg",
"notice",
"action",
"part",
"join",
"kick",
"quit",
"nick",
"mode",
"topic",
"update",
]
MAIN_SRC_MAP = {
"dis": "main",
"irc": "restricted",
"4ch": "main",
}
TYPES_META = ["who"]
TYPES_INT = ["conn", "highlight", "znc", "query", "self"]
KEYNAME = "queue"
async def store_kafka_batch(data):
# log.debug(f"Storing Kafka batch of {len(data)} messages")
producer = AIOKafkaProducer(bootstrap_servers="kafka:9092")
await producer.start()
topicmap = {}
for msg in data:
if msg["type"] in TYPES_MAIN:
# index = "main"
index = MAIN_SRC_MAP[msg["src"]]
# schema = mc_s.schema_main
elif msg["type"] in TYPES_META:
index = "meta"
# schema = mc_s.schema_meta
elif msg["type"] in TYPES_INT:
index = "internal"
# schema = mc_s.schema_int
KAFKA_TOPIC = index
# if key in schema:
# if isinstance(value, int):
# if schema[key].startswith("string") or schema[key].startswith(
# "text"
# ):
# msg[key] = str(value)
body = orjson.dumps(msg)
if "ts" not in msg:
raise Exception("No TS in msg")
if KAFKA_TOPIC not in topicmap:
topicmap[KAFKA_TOPIC] = [body]
else:
topicmap[KAFKA_TOPIC].append(body)
for topic, messages in topicmap.items():
batch = producer.create_batch()
for body in messages:
metadata = batch.append(key=None, value=body, timestamp=msg["ts"])
if metadata is None:
partitions = await producer.partitions_for(topic)
partition = random.choice(tuple(partitions))
await producer.send_batch(batch, topic, partition=partition)
# log.debug(
# (
# f"{batch.record_count()} messages sent to topic "
# f"{topic} partition {partition}"
# )
# )
batch = producer.create_batch()
continue
partitions = await producer.partitions_for(topic)
partition = random.choice(tuple(partitions))
await producer.send_batch(batch, topic, partition=partition)
# log.debug(
# (
# f"{batch.record_count()} messages sent to topic "
# f"{topic} partition {partition}"
# )
# )
log.debug(
"Kafka batches sent: "
+ ", ".join([topic + ": " + str(len(topicmap[topic])) for topic in topicmap])
)
await producer.stop()
async def queue_message(msg):
"""
Queue a message on the Redis buffer.
"""
# src = msg["src"]
message = orjson.dumps(msg)
# key = f"{KEYPREFIX}{src}"
# log.debug(f"Queueing single message of string length {len(message)}")
await ar.sadd(KEYNAME, message)
async def queue_message_bulk(data):
"""
Queue multiple messages on the Redis buffer.
"""
# log.debug(f"Queueing message batch of length {len(data)}")
for msg in data:
# src = msg["src"]
message = orjson.dumps(msg)
# key = f"{KEYPREFIX}{src}"
await ar.sadd(KEYNAME, message)