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#!/usr/bin/python -u
import sys
import redis
import csv
import posixpath
import datetime
import logging
import logging.handlers
from email.utils import parsedate
PRECISIONS = [
("hour", "%y-%m-%d-%H", datetime.timedelta(days=2)),
("daily", "%y-%m-%d", datetime.timedelta(days=32)),
]
logger = logging.getLogger("rsyslog-cdn")
logger.setLevel(logging.DEBUG)
logger.addHandler(logging.handlers.SysLogHandler(address="/dev/log"))
store = redis.Redis()
def make_key(precision, when, key):
return "downloads:%s:%s:%s" % (
precision[0], when.strftime(precision[1]), key)
def incr(when, project, filename):
# Increment our rolling counts in Redis
for prec in PRECISIONS:
key = make_key(prec, when, project)
store.incr(key)
store.expireat(key, when + prec[2])
# Increment our filename based bucket in Redis
for prec in PRECISIONS:
key = make_key(prec, when, ":".join([project, filename]))
store.incr(key)
store.expireat(key, when + prec[2])
def process(line):
if "last message repeated" in line:
logger.error("Duplicate Line in rsyslog-cdn")
try:
row = list(csv.reader([line], delimiter=" "))[0]
path = row[7].split(" ", 1)[1]
except Exception:
return
# We only care about /packages/ urls
if not path.startswith("/packages/"):
return
# We need to get the Project and Filename
directory, filename = posixpath.split(path)
project = posixpath.basename(directory)
# We need to get the time this request occurred
rtime = datetime.datetime(*parsedate(row[5])[:6])
incr(rtime, project, filename)
if __name__ == "__main__":
line = sys.stdin.readline()
while line:
try:
process(line)
except Exception:
logger.exception("Error occured while processing '%s'", line)
raise
line = sys.stdin.readline()
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