def usage(request, tenant_id=None):
tenant_id = tenant_id or request.user.tenant_id
today = time.today()
date_start = datetime.date(today.year, today.month, 1)
datetime_start = datetime.datetime.combine(date_start, time.time())
datetime_end = time.utcnow()
show_terminated = request.GET.get('show_terminated', False)
try:
usage = api.usage_get(request, tenant_id, datetime_start, datetime_end)
except:
usage = api.nova.Usage(None)
redirect = reverse("horizon:nova:overview:index")
exceptions.handle(request,
_('Unable to retrieve usage information.'))
total_ram = 0
ram_unit = "MB"
instances = []
terminated = []
if hasattr(usage, 'server_usages'):
total_ram = usage.total_active_memory_mb
now = datetime.datetime.now()
for i in usage.server_usages:
i['uptime_at'] = now - datetime.timedelta(seconds=i['uptime'])
if i['ended_at'] and not show_terminated:
terminated.append(i)
else:
instances.append(i)
if total_ram >= 1024:
ram_unit = "GB"
total_ram /= 1024
if request.GET.get('format', 'html') == 'csv':
template = 'nova/overview/usage.csv'
mimetype = "text/csv"
else:
template = 'nova/overview/usage.html'
mimetype = "text/html"
dash_url = horizon.get_dashboard('nova').get_absolute_url()
return shortcuts.render(request, template, {
'usage': usage,
'ram_unit': ram_unit,
'total_ram': total_ram,
'csv_link': '?format=csv',
'show_terminated': show_terminated,
'datetime_start': datetime_start,
'datetime_end': datetime_end,
'instances': instances,
'dash_url': dash_url},
content_type=mimetype)
def get_context_data(self, request):
submitted = self.request.GET.get('meter', None) is not None
host = client_proxy.get_host(self.request, self.tab_group.kwargs['host_id'])
if not host:
raise exceptions.Http302(reverse('horizon:giraffe_dashboard'
':hosts:index'))
# @[fbahr] - TODO: make /hosts/hid/meters return only host meters?!
meters = [meter \
for meter in client_proxy.get_host_meters( \
self.request, \
self.tab_group.kwargs['host_id']) \
if meter.name.startswith('host')]
today = time.today()
month = self.request.GET.get('month', today.month)
day = self.request.GET.get('day', 0)
year = self.request.GET.get('year', today.year)
meter_id = self.request.GET.get('meter', meters[0].id if meters else None)
meter = next(m for m in meters if int(m.id) == int(meter_id)) \
if meter_id \
else None
form = forms.DateMeterForm(initial={'month': month,
'year': year,
'day': 0,
'meter': meter_id},
meters=meters)
context = {'submitted': submitted}
if submitted and meter_id:
avgs = client_proxy.get_host_meter_records_avg(request=self.request,
host_id=host.id,
meter_id=meter_id,
year=year,
month=month,
day=int(day))
ticks = 25 \
if day \
else (calendar.monthrange(*map(int, (year, month)))[1] + 1)
context['graph'] = {'y_data': avgs, 'x_data': range(1, ticks)}
context['form'] = form
context['meters'] = meters
context['host'] = host
context['meter'] = meter
return context
def get_context_data(self, **kwargs):
context = super(IndexView, self).get_context_data(**kwargs)
month = self._get_month()
year = self._get_year()
if year and month:
data = self._get_billing_data(year, month)
total = float(data[4]['meter_cpu'])\
+ float(data[4]['meter_disk_io'])\
+ float(data[4]['meter_net_io'])
context['total_costs'] = '%0.2f' % total
self.today = time.today()
initial = {'month': month if month else self.today.month,
'year': year if year else self.today.year}
self.form = forms.DateForm(initial=initial)
context['form'] = self.form
return context
def summarize(self, start, end):
if start <= end <= time.today():
# Convert to datetime.datetime just for API call.
start = BaseUsage.get_datetime(start)
end = BaseUsage.get_datetime(end, now=True)
try:
self.usage_list = self.get_usage_list(start, end)
except:
exceptions.handle(self.request, _("Unable to retrieve usage information."))
else:
messages.info(self.request, _("You are viewing data for the future, " "which may or may not exist."))
for tenant_usage in self.usage_list:
tenant_summary = tenant_usage.get_summary()
for key, value in tenant_summary.items():
self.summary.setdefault(key, 0)
self.summary[key] += value
def get_context_data(self, **kwargs):
context = super(IndexView, self).get_context_data(**kwargs)
month = self._get_month()
year = self._get_year()
if year and month:
data = self._get_billing_data(year, month)
total = float(data[4]['meter_cpu'])\
+ float(data[4]['meter_disk_io'])\
+ float(data[4]['meter_net_io'])
context['total_costs'] = '%0.2f' % total
self.today = time.today()
initial = {
'month': month if month else self.today.month,
'year': year if year else self.today.year
}
self.form = forms.DateForm(initial=initial)
context['form'] = self.form
return context
def summarize(self, start, end):
if start <= end <= time.today():
# Convert to datetime.datetime just for API call.
start = BaseUsage.get_datetime(start)
end = BaseUsage.get_datetime(end, now=True)
try:
self.usage_list = self.get_usage_list(start, end)
except:
exceptions.handle(self.request,
_('Unable to retrieve usage information.'))
else:
messages.info(
self.request,
_("You are viewing data for the future, "
"which may or may not exist."))
for tenant_usage in self.usage_list:
tenant_summary = tenant_usage.get_summary()
for key, value in tenant_summary.items():
self.summary.setdefault(key, 0)
self.summary[key] += value
def get_end(year, month, day=1):
period = relativedelta(months=1)
date_end = BaseUsage.get_start(year, month, day) + period
if date_end > time.today():
date_end = time.today()
return date_end
def today(self):
return time.today()
def get_end(year, month, day=1):
period = relativedelta(months=1)
date_end = BaseUsage.get_start(year, month, day) + period
if date_end > time.today():
date_end = time.today()
return date_end
def today(self):
return time.today()
