remove obsolete billing sample generator
diff --git a/planetstack/tests/generate_billing_sample.py b/planetstack/tests/generate_billing_sample.py
deleted file mode 100644
index a8d3aae..0000000
--- a/planetstack/tests/generate_billing_sample.py
+++ /dev/null
@@ -1,158 +0,0 @@
-"""
-    Generates billing sample data
-"""
-
-import datetime
-import os
-import operator
-import pytz
-import json
-import random
-import sys
-import time
-
-# The granularity at which the charge collection system collects charges. Once
-# per hour makes for a very slow UI, so I upped it to once per 8 hours.
-CHARGE_HOURS = 8
-
-MINUTE_SECONDS = 60
-HOUR_SECONDS = MINUTE_SECONDS * 60
-DAY_SECONDS = HOUR_SECONDS * 24
-MONTH_SECONDS = DAY_SECONDS * 30
-
-# XXX hardcoded path
-sys.path.append("/opt/xos")
-
-os.environ.setdefault("DJANGO_SETTINGS_MODULE", "xos.settings")
-#from openstack.manager import OpenStackManager
-from core.models import Slice, Sliver, ServiceClass, Reservation, Tag, Network, User, Node, Image, Deployment, Site, NetworkTemplate, NetworkSlice
-from core.models import Invoice, Charge, Account, UsableObject, Payment
-
-def delete_all(model):
-   for item in model.objects.all():
-       item.delete()
-
-def get_usable_object(name):
-   objs = UsableObject.objects.filter(name=name)
-   if objs:
-       return objs[0]
-   obj = UsableObject(name=name)
-   obj.save()
-   return obj
-
-def generate_invoice(account, batch):
-   invoice = Invoice(date=batch[-1].date, account=account)
-   invoice.save()
-   for charge in batch:
-       charge.invoice = invoice
-       charge.state = "invoiced"
-       charge.save()
-
-def generate_invoices(account):
-   invoices = sorted(Invoice.objects.filter(account=account), key=operator.attrgetter('date'))
-   charges = sorted(Charge.objects.filter(account=account, state="pending"), key=operator.attrgetter('date'))
-
-   if invoices:
-       latest_invoice_date = invoices[-1].date()
-   else:
-       latest_invoice_date = None
-
-   batch = []
-   last_week = 0
-   for charge in charges:
-       # check to see if we crossed a week boundary. If we did, then generate
-       # an invoice for the last week's batch of charges
-       week = charge.date.isocalendar()[1]
-       if (week != last_week) and (batch):
-           generate_invoice(account, batch)
-           batch = []
-           last_week = week
-       batch.append(charge)
-
-   # we might still have last week's data batched up, and no data for this week
-   # if so, invoice the batch
-   this_week = datetime.datetime.now().isocalendar()[1]
-   if (this_week != last_week) and (batch):
-       generate_invoice(account, batch)
-
-def generate_payments(account):
-    invoices = Invoice.objects.filter(account=account)
-    for invoice in invoices:
-        # let's be optomistic and assume everyone pays exactly two weeks after
-        # receiving an invoice
-        payment_time = int(invoice.date.strftime("%s")) + 14 * DAY_SECONDS
-        if payment_time < time.time():
-             payment_time = datetime.datetime.utcfromtimestamp(payment_time).replace(tzinfo=pytz.utc)
-             payment = Payment(account=account, amount=invoice.amount, date=payment_time)
-             payment.save()
-
-print "deleting old stuff"
-
-delete_all(Invoice)
-delete_all(Charge)
-delete_all(Payment)
-delete_all(Account)
-delete_all(UsableObject)
-
-print "creating accounts"
-
-for site in Site.objects.all():
-    # only create accounts for sites where some slices exist
-    if len(site.slices.all()) > 0:
-        account = Account(site=site)
-        account.save()
-
-print "generating charges"
-
-for slice in Slice.objects.all():
-    site = slice.site
-    account = site.accounts.all()[0]
-    serviceClass =slice.serviceClass
-
-    if not (slice.name in ["DnsRedir", "DnsDemux", "HyperCache", "Hadoop", "Owl", "Stork", "Syndicate", "test-slice-1", "test-slice-2", "test", "test2"]):
-        continue
-
-    print "   generating charges for", slice.name
-
-    now = int(time.time())/HOUR_SECONDS*HOUR_SECONDS
-
-    charge_kind=None
-    for resource in slice.serviceClass.serviceresources.all():
-        if resource.name == "numberCores":
-            charge_kind = "reservation"
-            cost = resource.cost
-        elif (charge_kind==None) and (resource.name == "cycles") or (resource.name == "Cycles"):
-            charge_kind = "besteffort"
-            cost = resource.cost
-
-    if not charge_kind:
-        print "failed to find resource for", slice.serviceClass
-        continue
-
-    for sliver in slice.slivers.all()[:4]:    # only do up to 4 slivers; it's way too much data otherwise
-        hostname = sliver.node.name
-        for i in range(now-MONTH_SECONDS, now, CHARGE_HOURS*HOUR_SECONDS):
-            if charge_kind == "besteffort":
-                core_hours = random.randint(20,60)/100.0
-            else:
-                core_hours = 1
-
-            core_hours = core_hours * CHARGE_HOURS
-
-            amount = float(core_hours * cost) / 100.0
-
-            object = get_usable_object(hostname)
-
-            date = datetime.datetime.utcfromtimestamp(i).replace(tzinfo=pytz.utc)
-
-            charge = Charge(account=account, slice=slice, kind=charge_kind, state="pending", date=date, object=object, coreHours=core_hours, amount=amount)
-            charge.save()
-
-print "doing invoices and payments"
-
-for account in Account.objects.all():
-    generate_invoices(account)
-    generate_payments(account)
-
-
-