stacktach/migrations/006_populate_rebuilds_from_rawdata.py
2014-03-28 11:47:16 -03:00

68 lines
2.3 KiB
Python

# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
import datetime
import os
import sys
try:
import ujson as json
except ImportError:
try:
import simplejson as json
except ImportError:
import json
POSSIBLE_TOPDIR = os.path.normpath(os.path.join(os.path.abspath(sys.argv[0]),
os.pardir, os.pardir))
if os.path.exists(os.path.join(POSSIBLE_TOPDIR, 'stacktach')):
sys.path.insert(0, POSSIBLE_TOPDIR)
from stacktach import models
from stacktach import views
if __name__ != '__main__':
sys.exit(1)
REBUILD_START = 'compute.instance.rebuild.start'
REBUILD_END = 'compute.instance.rebuild.end'
def add_past_usage(raws):
count = raws.count()
processed = 0
print "%s events to be processed" % count
last_update = datetime.datetime.utcnow()
for raw in raws:
json_dict = json.loads(raw.json)
views.aggregate_usage(raw, json_dict[1])
processed += 1
if processed % 50 == 0:
next_update = last_update + datetime.timedelta(seconds=30)
if datetime.datetime.utcnow() > next_update:
m = (processed, count - processed,
(float(processed) / count)*100)
print "%s processed, %s to go, %.2f percent done" % m
last_update = datetime.datetime.utcnow()
print "completed processing %s events" % count
start_raws = models.RawData.objects.filter(event=REBUILD_START)
add_past_usage(start_raws)
end_raws = models.RawData.objects.filter(event=REBUILD_END)
add_past_usage(end_raws)