Commit f39316fd by Bach Dániel

Merge branch 'fix-graphs' into 'master'

Fix Graphs

Closes #238
Closes #237
Closes #281

Demo: https://miskolc.cloud.bme.hu:18525/dashboard/node/list/
parents d6f8ae38 226520e5
......@@ -973,3 +973,25 @@ textarea[name="new_members"] {
.hilight .autocomplete-hl {
color: orange;
}
.node-list-table tbody>tr>td, .node-list-table thead>tr>th {
vertical-align: middle;
}
.node-list-table thead>tr>th,
.node-list-table .enabled, .node-list-table .priority,
.node-list-table .overcommit, .node-list-table .number_of_VMs {
text-align: center;
}
.node-list-table-thin {
width: 10px;
}
.node-list-table-monitor {
width: 250px;
}
.graph-images img {
max-width: 100%;
}
......@@ -397,6 +397,20 @@ $(function () {
clientInstalledAction(connectUri);
return false;
});
/* change graphs */
$(".graph-buttons a").click(function() {
var time = $(this).data("graph-time");
$(".graph-images img").each(function() {
var src = $(this).prop("src");
var new_src = src.substring(0, src.lastIndexOf("/") + 1) + time;
$(this).prop("src", new_src);
});
// change the buttons too
$(".graph-buttons a").removeClass("btn-primary").addClass("btn-default");
$(this).removeClass("btn-default").addClass("btn-primary");
return false;
});
});
function generateVmHTML(pk, name, host, icon, _status, fav, is_last) {
......
{% for o in graph_time_options %}
<a class="btn btn-xs
btn-{% if graph_time == o.time %}primary{% else %}default{% endif %}"
href="?graph_time={{ o.time }}"
data-graph-time="{{ o.time }}">
{{ o.name }}
</a>
{% endfor %}
......@@ -30,15 +30,22 @@
</div>
<div class="col-md-8">
{% if graphite_enabled %}
<img src="{% url "dashboard.views.node-graph" node.pk "cpu" "6h" %}" style="width:100%"/>
<img src="{% url "dashboard.views.node-graph" node.pk "memory" "6h" %}" style="width:100%"/>
<img src="{% url "dashboard.views.node-graph" node.pk "network" "6h" %}" style="width:100%"/>
{% endif %}
<div class="text-center graph-buttons">
{% include "dashboard/_graph-time-buttons.html" %}
</div>
<div class="graph-images text-center">
<img src="{% url "dashboard.views.node-graph" node.pk "cpu" graph_time %}"/>
<img src="{% url "dashboard.views.node-graph" node.pk "memory" graph_time %}"/>
<img src="{% url "dashboard.views.node-graph" node.pk "network" graph_time %}"/>
<img src="{% url "dashboard.views.node-graph" node.pk "vm" graph_time %}"/>
<img src="{% url "dashboard.views.node-graph" node.pk "alloc" graph_time %}"/>
</div>
{% endif %}
</div>
</div>
<style>
.form-group {
margin: 0px;
}
</style>
</style>
......@@ -21,25 +21,23 @@
</div>
</div>
<style>
.node-list-table tbody>tr>td, .node-list-table thead>tr>th {
vertical-align: middle;
}
.node-list-table thead>tr>th,
.node-list-table .enabled, .node-list-table .priority,
.node-list-table .overcommit, .node-list-table .number_of_VMs {
text-align: center;
}
.node-list-table-thin {
width: 10px;
}
<div class="row">
<div class="col-md-12">
<div class="panel panel-default">
<div class="panel-heading">
<div class="pull-right graph-buttons">
{% include "dashboard/_graph-time-buttons.html" %}
</div>
<h3 class="no-margin"><i class="fa fa-area-chart"></i> {% trans "Graphs" %}</h3>
</div>
<div class="text-center graph-images">
<img src="{% url "dashboard.views.node-list-graph" "alloc" graph_time %}"/>
<img src="{% url "dashboard.views.node-list-graph" "vm" graph_time %}"/>
</div>
</div>
</div><!-- -col-md-12 -->
</div><!-- .row -->
.node-list-table-monitor {
width: 250px;
}
</style>
{% endblock %}
{% block extra_js %}
......
......@@ -123,9 +123,14 @@
</div>
<div class="col-md-8">
{% if graphite_enabled %}
<img src="{% url "dashboard.views.vm-graph" instance.pk "cpu" "6h" %}" style="width:100%"/>
<img src="{% url "dashboard.views.vm-graph" instance.pk "memory" "6h" %}" style="width:100%"/>
<img src="{% url "dashboard.views.vm-graph" instance.pk "network" "6h" %}" style="width:100%"/>
<div class="text-center graph-buttons">
{% include "dashboard/_graph-time-buttons.html" %}
</div>
<div class="graph-images text-center">
<img src="{% url "dashboard.views.vm-graph" instance.pk "cpu" graph_time %}"/>
<img src="{% url "dashboard.views.vm-graph" instance.pk "memory" graph_time %}"/>
<img src="{% url "dashboard.views.vm-graph" instance.pk "network" graph_time %}"/>
</div>
{% endif %}
</div>
</div>
......@@ -25,11 +25,11 @@ from .views import (
GroupDetailView, GroupList, IndexView,
InstanceActivityDetail, LeaseCreate, LeaseDelete, LeaseDetail,
MyPreferencesView, NodeAddTraitView, NodeCreate, NodeDelete,
NodeDetailView, NodeFlushView, NodeGraphView, NodeList, NodeStatus,
NodeDetailView, NodeFlushView, NodeList, NodeStatus,
NotificationView, PortDelete, TemplateAclUpdateView, TemplateCreate,
TemplateDelete, TemplateDetail, TemplateList, TransferOwnershipConfirmView,
TransferOwnershipView, vm_activity, VmCreate, VmDetailView,
VmDetailVncTokenView, VmGraphView, VmList,
VmDetailVncTokenView, VmList,
DiskRemoveView, get_disk_download_status, InterfaceDeleteView,
GroupRemoveUserView,
GroupRemoveFutureUserView,
......@@ -46,6 +46,7 @@ from .views import (
GroupPermissionsView,
LeaseAclUpdateView,
ClientCheck, TokenLogin,
VmGraphView, NodeGraphView, NodeListGraphView,
)
autocomplete_light.autodiscover()
......@@ -121,14 +122,18 @@ urlpatterns = patterns(
name="dashboard.views.delete-group"),
url(r'^group/list/$', GroupList.as_view(),
name='dashboard.views.group-list'),
url((r'^vm/(?P<pk>\d+)/graph/(?P<metric>cpu|memory|network)/'
url((r'^vm/(?P<pk>\d+)/graph/(?P<metric>[a-z]+)/'
r'(?P<time>[0-9]{1,2}[hdwy])$'),
VmGraphView.as_view(),
name='dashboard.views.vm-graph'),
url((r'^node/(?P<pk>\d+)/graph/(?P<metric>cpu|memory|network)/'
url((r'^node/(?P<pk>\d+)/graph/(?P<metric>[a-z]+)/'
r'(?P<time>[0-9]{1,2}[hdwy])$'),
NodeGraphView.as_view(),
name='dashboard.views.node-graph'),
url((r'^node/graph/(?P<metric>[a-z]+)/'
r'(?P<time>[0-9]{1,2}[hdwy])$'),
NodeListGraphView.as_view(),
name='dashboard.views.node-list-graph'),
url(r'^group/(?P<pk>\d+)/$', GroupDetailView.as_view(),
name='dashboard.views.group-detail'),
url(r'^group/(?P<pk>\d+)/update/$', GroupProfileUpdate.as_view(),
......
......@@ -11,3 +11,4 @@ from template import *
from user import *
from util import *
from vm import *
from graph import *
# Copyright 2014 Budapest University of Technology and Economics (BME IK)
#
# This file is part of CIRCLE Cloud.
#
# CIRCLE is free software: you can redistribute it and/or modify it under
# the terms of the GNU General Public License as published by the Free
# Software Foundation, either version 3 of the License, or (at your option)
# any later version.
#
# CIRCLE is distributed in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
# details.
#
# You should have received a copy of the GNU General Public License along
# with CIRCLE. If not, see <http://www.gnu.org/licenses/>.
from __future__ import absolute_import, unicode_literals
import logging
import requests
from django.conf import settings
from django.core.exceptions import PermissionDenied
from django.http import HttpResponse, Http404
from django.utils.translation import ugettext_lazy as _
from django.views.generic import View
from braces.views import LoginRequiredMixin, SuperuserRequiredMixin
from vm.models import Instance, Node
logger = logging.getLogger(__name__)
def register_graph(metric_cls, graph_name, graphview_cls):
if not hasattr(graphview_cls, 'metrics'):
graphview_cls.metrics = {}
graphview_cls.metrics[graph_name] = metric_cls
class GraphViewBase(LoginRequiredMixin, View):
def create_class(self, cls):
return type(str(cls.__name__ + 'Metric'), (cls, self.base), {})
def get(self, request, pk, metric, time, *args, **kwargs):
graphite_url = settings.GRAPHITE_URL
if graphite_url is None:
raise Http404()
try:
metric = self.metrics[metric]
except KeyError:
raise Http404()
try:
instance = self.get_object(request, pk)
except self.model.DoesNotExist:
raise Http404()
metric = self.create_class(metric)(instance)
return HttpResponse(metric.get_graph(graphite_url, time),
mimetype="image/png")
def get_object(self, request, pk):
instance = self.model.objects.get(id=pk)
if not instance.has_level(request.user, 'user'):
raise PermissionDenied()
return instance
class Metric(object):
cacti_style = True
derivative = False
scale_to_seconds = None
metric_name = None
title = None
label = None
def __init__(self, obj, metric_name=None):
self.obj = obj
self.metric_name = (
metric_name or self.metric_name or self.__class__.__name__.lower())
def get_metric_name(self):
return self.metric_name
def get_label(self):
return self.label or self.get_metric_name()
def get_title(self):
return self.title or self.get_metric_name()
def get_minmax(self):
return (None, None)
def get_target(self):
target = '%s.%s' % (self.obj.metric_prefix, self.get_metric_name())
if self.derivative:
target = 'nonNegativeDerivative(%s)' % target
if self.scale_to_seconds:
target = 'scaleToSeconds(%s, %d)' % (target, self.scale_to_seconds)
target = 'alias(%s, "%s")' % (target, self.get_label())
if self.cacti_style:
target = 'cactiStyle(%s)' % target
return target
def get_graph(self, graphite_url, time, width=500, height=200):
params = {'target': self.get_target(),
'from': '-%s' % time,
'title': self.get_title().encode('UTF-8'),
'width': width,
'height': height}
ymin, ymax = self.get_minmax()
if ymin is not None:
params['yMin'] = ymin
if ymax is not None:
params['yMax'] = ymax
logger.debug('%s %s', graphite_url, params)
response = requests.get('%s/render/' % graphite_url, params=params)
return response.content
class VmMetric(Metric):
def get_title(self):
title = super(VmMetric, self).get_title()
return '%s (%s) - %s' % (self.obj.name, self.obj.vm_name, title)
class NodeMetric(Metric):
def get_title(self):
title = super(NodeMetric, self).get_title()
return '%s (%s) - %s' % (self.obj.name, self.obj.host.hostname, title)
class VmGraphView(GraphViewBase):
model = Instance
base = VmMetric
class NodeGraphView(SuperuserRequiredMixin, GraphViewBase):
model = Node
base = NodeMetric
def get_object(self, request, pk):
return self.model.objects.get(id=pk)
class NodeListGraphView(SuperuserRequiredMixin, GraphViewBase):
model = Node
base = Metric
def get_object(self, request, pk):
return Node.objects.filter(enabled=True)
def get(self, request, metric, time, *args, **kwargs):
return super(NodeListGraphView, self).get(request, None, metric, time)
class Ram(object):
metric_name = "memory.usage"
title = _("RAM usage (%)")
label = _("RAM usage (%)")
def get_minmax(self):
return (0, 105)
register_graph(Ram, 'memory', VmGraphView)
register_graph(Ram, 'memory', NodeGraphView)
class Cpu(object):
metric_name = "cpu.percent"
title = _("CPU usage (%)")
label = _("CPU usage (%)")
def get_minmax(self):
if isinstance(self.obj, Node):
return (0, 105)
else:
return (0, self.obj.num_cores * 100 + 5)
register_graph(Cpu, 'cpu', VmGraphView)
register_graph(Cpu, 'cpu', NodeGraphView)
class VmNetwork(object):
title = _("Network")
def get_minmax(self):
return (0, None)
def get_target(self):
metrics = []
for n in self.obj.interface_set.all():
params = (self.obj.metric_prefix, n.vlan.vid, n.vlan.name)
metrics.append(
'alias(scaleToSeconds(nonNegativeDerivative('
'%s.network.bytes_recv-%s), 10), "out - %s (bits/s)")' % (
params))
metrics.append(
'alias(scaleToSeconds(nonNegativeDerivative('
'%s.network.bytes_sent-%s), 10), "in - %s (bits/s)")' % (
params))
return 'group(%s)' % ','.join(metrics)
register_graph(VmNetwork, 'network', VmGraphView)
class NodeNetwork(object):
title = _("Network")
def get_minmax(self):
return (0, None)
def get_target(self):
return (
'aliasSub(scaleToSeconds(nonNegativeDerivative(%s.network.b*),'
'10), ".*\.bytes_(sent|recv)-([a-zA-Z0-9]+).*", "\\2 \\1")' % (
self.obj.metric_prefix))
register_graph(NodeNetwork, 'network', NodeGraphView)
class NodeVms(object):
metric_name = "vmcount"
title = _("Instance count")
label = _("instance count")
def get_minmax(self):
return (0, None)
register_graph(NodeVms, 'vm', NodeGraphView)
class NodeAllocated(object):
title = _("Allocated memory (bytes)")
def get_target(self):
prefix = self.obj.metric_prefix
if self.obj.online and self.obj.enabled:
ram_size = self.obj.ram_size
else:
ram_size = 0
used = 'alias(%s.memory.used_bytes, "used")' % prefix
allocated = 'alias(%s.memory.allocated, "allocated")' % prefix
max = 'threshold(%d, "max")' % ram_size
return 'cactiStyle(group(%s, %s, %s))' % (used, allocated, max)
def get_minmax(self):
return (0, None)
register_graph(NodeAllocated, 'alloc', NodeGraphView)
class NodeListAllocated(object):
title = _("Allocated memory (bytes)")
def get_target(self):
nodes = self.obj
used = ','.join('%s.memory.used_bytes' % n.metric_prefix
for n in nodes)
allocated = 'alias(sumSeries(%s), "allocated")' % ','.join(
'%s.memory.allocated' % n.metric_prefix for n in nodes)
max = 'threshold(%d, "max")' % sum(
n.ram_size for n in nodes if n.online)
return ('group(aliasSub(aliasByNode(stacked(group(%s)), 1), "$",'
'" (used)"), %s, %s)' % (used, allocated, max))
def get_minmax(self):
return (0, None)
register_graph(NodeListAllocated, 'alloc', NodeListGraphView)
class NodeListVms(object):
title = _("Instance count")
def get_target(self):
vmcount = ','.join('%s.vmcount' % n.metric_prefix for n in self.obj)
return 'group(aliasByNode(stacked(group(%s)), 1))' % vmcount
def get_minmax(self):
return (0, None)
register_graph(NodeListVms, 'vm', NodeListGraphView)
......@@ -37,10 +37,11 @@ from vm.models import Node, NodeActivity, Trait
from ..forms import TraitForm, HostForm, NodeForm
from ..tables import NodeListTable
from .util import GraphViewBase
from .util import GraphMixin
class NodeDetailView(LoginRequiredMixin, SuperuserRequiredMixin, DetailView):
class NodeDetailView(LoginRequiredMixin, SuperuserRequiredMixin,
GraphMixin, DetailView):
template_name = "dashboard/node-detail.html"
model = Node
form = None
......@@ -107,7 +108,8 @@ class NodeDetailView(LoginRequiredMixin, SuperuserRequiredMixin, DetailView):
return redirect(self.object.get_absolute_url())
class NodeList(LoginRequiredMixin, SuperuserRequiredMixin, SingleTableView):
class NodeList(LoginRequiredMixin, SuperuserRequiredMixin,
GraphMixin, SingleTableView):
template_name = "dashboard/node-list.html"
table_class = NodeListTable
table_pagination = False
......@@ -350,24 +352,3 @@ class NodeFlushView(LoginRequiredMixin, SuperuserRequiredMixin, DetailView):
success_message = _("Node successfully flushed.")
messages.success(request, success_message)
return redirect(self.get_success_url())
class NodeGraphView(SuperuserRequiredMixin, GraphViewBase):
metrics = {
'cpu': ('cactiStyle(alias(nonNegativeDerivative(%(prefix)s.cpu.times),'
'"cpu usage (%%)"))'),
'memory': ('cactiStyle(alias(%(prefix)s.memory.usage,'
'"memory usage (%%)"))'),
'network': ('cactiStyle(aliasByMetric('
'nonNegativeDerivative(%(prefix)s.network.bytes_*)))'),
}
model = Node
def get_prefix(self, instance):
return 'circle.%s' % instance.host.hostname
def get_title(self, instance, metric):
return '%s - %s' % (instance.name, metric)
def get_object(self, request, pk):
return self.model.objects.get(id=pk)
......@@ -22,18 +22,16 @@ import re
from collections import OrderedDict
from urlparse import urljoin
import requests
from django.conf import settings
from django.contrib.auth.models import User, Group
from django.core.exceptions import PermissionDenied, SuspiciousOperation
from django.core.exceptions import PermissionDenied
from django.core.urlresolvers import reverse
from django.contrib import messages
from django.contrib.auth.views import redirect_to_login
from django.db.models import Q
from django.http import HttpResponse, Http404, HttpResponseRedirect
from django.http import HttpResponse, HttpResponseRedirect
from django.shortcuts import redirect
from django.utils.translation import ugettext as _
from django.utils.translation import ugettext_lazy as _
from django.views.generic import DetailView, View
from django.views.generic.detail import SingleObjectMixin
......@@ -537,43 +535,29 @@ class AclUpdateView(LoginRequiredMixin, View, SingleObjectMixin):
return redirect("%s#access" % self.instance.get_absolute_url())
class GraphViewBase(LoginRequiredMixin, View):
def get(self, request, pk, metric, time, *args, **kwargs):
graphite_url = settings.GRAPHITE_URL
if graphite_url is None:
raise Http404()
if metric not in self.metrics.keys():
raise SuspiciousOperation()
try:
instance = self.get_object(request, pk)
except self.model.DoesNotExist:
raise Http404()
prefix = self.get_prefix(instance)
target = self.metrics[metric] % {'prefix': prefix}
title = self.get_title(instance, metric)
params = {'target': target,
'from': '-%s' % time,
'title': title.encode('UTF-8'),
'width': '500',
'height': '200'}
logger.debug('%s %s', graphite_url, params)
response = requests.get('%s/render/' % graphite_url, params=params)
return HttpResponse(response.content, mimetype="image/png")
def get_prefix(self, instance):
raise NotImplementedError("Subclass must implement abstract method")
def get_title(self, instance, metric):
raise NotImplementedError("Subclass must implement abstract method")
def get_object(self, request, pk):
instance = self.model.objects.get(id=pk)
if not instance.has_level(request.user, 'user'):
raise PermissionDenied()
return instance
class GraphMixin(object):
graph_time_options = [
{'time': "1h", 'name': _("1 hour")},
{'time': "6h", 'name': _("6 hours")},
{'time': "1d", 'name': _("1 day")},
{'time': "1w", 'name': _("1 week")},
{'time': "30d", 'name': _("1 month")},
{'time': "26w", 'name': _("6 months")},
]
default_graph_time = "6h"
def get_context_data(self, *args, **kwargs):
context = super(GraphMixin, self).get_context_data(*args, **kwargs)
graph_time = self.request.GET.get("graph_time",
self.default_graph_time)
if not re.match("^[0-9]{1,2}[hdwy]$", graph_time):
messages.warning(self.request, _("Bad graph time format, "
"available periods are: "
"h, d, w, and y."))
graph_time = self.default_graph_time
context['graph_time'] = graph_time
context['graph_time_options'] = self.graph_time_options
return context
def absolute_url(url):
......
......@@ -52,7 +52,7 @@ from vm.models import (
)
from .util import (
CheckedDetailView, AjaxOperationMixin, OperationView, AclUpdateView,
FormOperationMixin, FilterMixin, GraphViewBase, search_user,
FormOperationMixin, FilterMixin, search_user, GraphMixin,
)
from ..forms import (
AclUserOrGroupAddForm, VmResourcesForm, TraitsForm, RawDataForm,
......@@ -89,7 +89,7 @@ class VmDetailVncTokenView(CheckedDetailView):
raise Http404()
class VmDetailView(CheckedDetailView):
class VmDetailView(GraphMixin, CheckedDetailView):
template_name = "dashboard/vm-detail.html"
model = Instance
......@@ -986,28 +986,6 @@ class VmCreate(LoginRequiredMixin, TemplateView):
return create_func(request, *args, **kwargs)
class VmGraphView(GraphViewBase):
metrics = {
'cpu': ('cactiStyle(alias(nonNegativeDerivative(%(prefix)s.cpu.usage),'
'"cpu usage (%%)"))'),
'memory': ('cactiStyle(alias(%(prefix)s.memory.usage,'
'"memory usage (%%)"))'),
'network': (
'group('
'aliasSub(nonNegativeDerivative(%(prefix)s.network.bytes_recv*),'
' ".*-(\d+)\\)", "out (vlan \\1)"),'
'aliasSub(nonNegativeDerivative(%(prefix)s.network.bytes_sent*),'
' ".*-(\d+)\\)", "in (vlan \\1)"))'),
}
model = Instance
def get_prefix(self, instance):
return 'vm.%s' % instance.vm_name
def get_title(self, instance, metric):
return '%s (%s) - %s' % (instance.name, instance.vm_name, metric)
@require_GET
def get_vm_screenshot(request, pk):
instance = get_object_or_404(Instance, pk=pk)
......
......@@ -61,6 +61,12 @@ celery.conf.update(
'schedule': timedelta(seconds=30),
'options': {'queue': 'localhost.monitor'}
},
'monitor.allocated_memory': {
'task': 'monitor.tasks.local_periodic_tasks.'
'allocated_memory',
'schedule': timedelta(seconds=30),
'options': {'queue': 'localhost.monitor'}
},
}
)
......@@ -17,7 +17,6 @@
from logging import getLogger
from django.db.models import Sum
from django.utils.translation import ugettext_noop
from common.models import HumanReadableException
......@@ -95,8 +94,7 @@ def has_enough_ram(ram_size, node):
unused = total - used
overcommit = node.ram_size_with_overcommit
reserved = (node.instance_set.aggregate(
r=Sum('ram_size'))['r'] or 0) * 1024 * 1024
reserved = node.allocated_ram
free = overcommit - reserved
retval = ram_size < unused and ram_size < free
......
......@@ -107,3 +107,19 @@ def instance_per_template():
time()))
Client().send(metrics)
@celery.task(ignore_result=True)
def allocated_memory():
graphite_string = lambda hostname, val, time: (
"circle.%s.memory.allocated %d %s" % (
hostname, val, time)
)
metrics = []
for n in Node.objects.all():
print n.allocated_ram
metrics.append(graphite_string(
n.host.hostname, n.allocated_ram, time()))
Client().send(metrics)
......@@ -1003,3 +1003,7 @@ class Instance(AclBase, VirtualMachineDescModel, StatusModel, OperatedMixin,
latest = self.get_latest_activity_in_progress()
return (latest and latest.resultant_state is not None
and self.status != latest.resultant_state)
@property
def metric_prefix(self):
return 'vm.%s' % self.vm_name
......@@ -24,7 +24,7 @@ import requests
from django.conf import settings
from django.db.models import (
CharField, IntegerField, ForeignKey, BooleanField, ManyToManyField,
FloatField, permalink,
FloatField, permalink, Sum
)
from django.utils import timezone
from django.utils.translation import ugettext_lazy as _, ugettext_noop
......@@ -116,6 +116,11 @@ class Node(OperatedMixin, TimeStampedModel):
info = property(get_info)
@property
def allocated_ram(self):
return (self.instance_set.aggregate(
r=Sum('ram_size'))['r'] or 0) * 1024 * 1024
@property
def ram_size(self):
warn('Use Node.info["ram_size"]', DeprecationWarning)
return self.info['ram_size']
......@@ -259,7 +264,7 @@ class Node(OperatedMixin, TimeStampedModel):
@node_available
@method_cache(10)
def monitor_info(self):
metrics = ('cpu.usage', 'memory.usage')
metrics = ('cpu.percent', 'memory.usage')
prefix = 'circle.%s.' % self.host.hostname
params = [('target', '%s%s' % (prefix, metric))
for metric in metrics]
......@@ -295,7 +300,7 @@ class Node(OperatedMixin, TimeStampedModel):
@property
@node_available
def cpu_usage(self):
return self.monitor_info.get('cpu.usage') / 100
return self.monitor_info.get('cpu.percent') / 100
@property
@node_available
......@@ -379,3 +384,7 @@ class Node(OperatedMixin, TimeStampedModel):
@permalink
def get_absolute_url(self):
return ('dashboard.views.node-detail', None, {'pk': self.id})
@property
def metric_prefix(self):
return 'circle.%s' % self.host.hostname
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