stacktach/migrations/006_populate_rebuilds_from_rawdata.py

51 lines
1.4 KiB
Python

# Copyright 2012 - Rackspace Inc.
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.dumps(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:
(processed, count - processed, float(processed) / count)
print "%s processed, %s to go, %.2f percent done"
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)