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#!/usr/bin/python3
import os
import sys
import time
import logging
from sqlalchemy.orm import sessionmaker, relationship, load_only
from sqlalchemy.ext.automap import automap_base
from sqlalchemy import create_engine
import pika
import rater
RABBITMQ_URI = os.environ.get("RABBITMQ_URI") or "amqp://localhost"
DATABASE_URI = os.environ["DATABASE_URI"]
BATCHSIZE = int(os.environ.get("BATCHSIZE") or 500) # matches
CHUNKSIZE = int(os.environ.get("CHUNKSIZE") or 100) # matches
IDLE_TIMEOUT = float(os.environ.get("IDLE_TIMEOUT") or 1) # s
QUEUE = os.environ.get("QUEUE") or "analyze"
DOCRUNCHMATCH = os.environ.get("DOCRUNCHMATCH") == "true"
CRUNCH_QUEUE = os.environ.get("CRUNCH_QUEUE") or "crunch_global"
DOTELESUCKMATCH = os.environ.get("DOTELESUCKMATCH") == "true"
TELESUCK_QUEUE = os.environ.get("TELESUCK_QUEUE") or "telesuck"
DOSEWMATCH = os.environ.get("DOSEWMATCH") == "true"
SEW_QUEUE = os.environ.get("SEW_QUEUE") or "sew"
# ORM definitions
Match = Asset = Roster = Participant = ParticipantStats = ParticipantItems = Player = None
db = rabbit = channel = None
# batch storage
queue = []
timer = None
def connect():
global Match, Asset, Roster, Participant, ParticipantStats, ParticipantItems, Player
global Session, rabbit, channel
# generate schema from db
Base = automap_base()
engine = create_engine(DATABASE_URI, pool_size=1, pool_recycle=3600)
Session = sessionmaker(bind=engine, autoflush=False)
Base.prepare(engine, reflect=True)
# definitions
# TODO check whether the primaryjoin clause is the best method to do this
Asset = Base.classes.asset
Match = Base.classes.match
Match.rosters = relationship(
"roster", foreign_keys="roster.match_api_id",
primaryjoin="and_(match.api_id == roster.match_api_id)")
Match.participants = relationship(
"participant", foreign_keys="participant.match_api_id",
primaryjoin="and_(match.api_id == participant.match_api_id)")
Roster = Base.classes.roster
Roster.match = relationship(
"match", foreign_keys="match.api_id",
primaryjoin="and_(match.api_id == roster.match_api_id)")
Roster.participants = relationship(
"participant", foreign_keys="participant.roster_api_id",
primaryjoin="and_(roster.api_id == participant.roster_api_id)")
Participant = Base.classes.participant
Participant.roster = relationship(
"roster", foreign_keys="roster.api_id",
primaryjoin="and_(roster.api_id == participant.roster_api_id)")
Participant.match = relationship(
"match", foreign_keys="match.api_id",
primaryjoin="and_(match.api_id == participant.match_api_id)")
Participant.player = relationship(
"player", foreign_keys="player.api_id",
primaryjoin="and_(player.api_id == participant.player_api_id)")
ParticipantStats = Base.classes.participant_stats
Participant.participant_stats = relationship(
"participant_stats", foreign_keys="participant_stats.participant_api_id",
primaryjoin="and_(participant_stats.participant_api_id == participant.api_id)")
ParticipantItems = Base.classes.participant_items
Participant.participant_items = relationship(
"participant_items", foreign_keys="participant_items.participant_api_id",
primaryjoin="and_(participant_items.participant_api_id == participant.api_id)")
Player = Base.classes.player
rabbit = pika.BlockingConnection(pika.URLParameters(RABBITMQ_URI))
channel = rabbit.channel()
channel.queue_declare(queue=QUEUE, durable=True)
channel.queue_declare(queue=QUEUE + "_failed", durable=True)
channel.queue_declare(queue=CRUNCH_QUEUE, durable=True)
channel.queue_declare(queue=TELESUCK_QUEUE, durable=True)
channel.basic_qos(prefetch_count=BATCHSIZE)
channel.basic_consume(newjob, queue=QUEUE)
def newjob(_, method, properties, body):
global timer, queue
queue.append((method, properties, body))
if timer is None:
timer = rabbit.add_timeout(IDLE_TIMEOUT, try_process)
if len(queue) == BATCHSIZE:
try_process()
def try_process():
global timer, queue
if timer is not None:
rabbit.remove_timeout(timer)
timer = None
try:
process()
except Exception as e:
logger.error(e)
for meth, prop, body in queue:
# move to error queue and NACK
channel.basic_publish(exchange="",
routing_key=QUEUE+"_failed",
body=body,
properties=prop)
channel.basic_nack(meth.delivery_tag, requeue=False)
queue = []
return
logger.info("acking batch")
db = None
if DOTELESUCKMATCH:
# ro session to get Telemetry URLs
db = Session(autocommit=True, autoflush=False)
for meth, prop, body in queue:
channel.basic_ack(meth.delivery_tag)
# notify web
if prop.headers.get("notify"):
channel.basic_publish("amq.topic", prop.headers.get("notify"),
"analyze_update")
if DOCRUNCHMATCH:
# forward to cruncher_global
channel.basic_publish(exchange="",
routing_key=CRUNCH_QUEUE,
body=body,
properties=prop)
if DOSEWMATCH:
# forward to sewer
channel.basic_publish(exchange="",
routing_key=SEW_QUEUE,
body=body,
properties=prop)
if DOTELESUCKMATCH:
# forward asset url to telesucker
id = str(body, "utf-8")
for asset in db.query(Asset).options(\
load_only("url", "match_api_id"))\
.filter(Asset.match_api_id == id).all():
channel.basic_publish(exchange="",
routing_key=TELESUCK_QUEUE,
body=asset.url,
properties=pika.BasicProperties(
headers={
"match_api_id": asset.match_api_id
}
))
if db is not None:
db.close()
queue = []
def process():
global timer, queue, Session
logger.info("analyzing batch %s", str(len(queue)))
ids = list(set([str(id, "utf-8") for _, _, id in queue]))
db = Session()
try:
for match in db.query(Match).order_by(Match.created_at.asc()).options(
load_only("api_id", "game_mode")
.selectinload(Match.rosters)
.load_only("api_id", "match_api_id", "winner")
.selectinload(Roster.participants)
.load_only("api_id", "match_api_id", "roster_api_id",
"player_api_id", "skill_tier", "went_afk")
.selectinload(Participant.player)
.load_only("api_id",
"rank_points_ranked", "rank_points_blitz",
"trueskill_sigma", "trueskill_mu",
"trueskill_casual_sigma", "trueskill_casual_mu",
"trueskill_ranked_sigma", "trueskill_ranked_mu",
"trueskill_blitz_sigma", "trueskill_blitz_mu",
"trueskill_br_sigma", "trueskill_br_mu")
).filter(Match.api_id.in_(ids)).yield_per(CHUNKSIZE):
match = rater.rate_match(match)
db.commit()
except:
db.rollback()
raise
finally:
db.close()
# log errs to stderr, debug to stdout
class InfoFilter(logging.Filter):
def filter(self, record):
return record.levelno in (logging.DEBUG, logging.INFO)
logger = logging.getLogger("__name__")
logger.setLevel(logging.INFO)
h1 = logging.StreamHandler(sys.stdout)
h1.setLevel(logging.INFO)
h1.addFilter(InfoFilter())
logger.addHandler(h1)
h2 = logging.StreamHandler(sys.stderr)
h2.setLevel(logging.WARNING)
logger.addHandler(h2)
if __name__ == "__main__":
connect()
channel.start_consuming()
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