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A prog2-höz tartozó friss repo anyagok itt elérhetőek: https://git.iit.bme.hu/prog2

Commit 500cbf7b by Kálmán Viktor
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Merge branch 'feature-node-fixes' into 'master' 

Feature Node Fixes

Closes #240
parents 05291f17 61de4bc8
Showing with 118 additions and 362 deletions
circle/dashboard/forms.py
......@@ -925,10 +925,8 @@ class TraitForm(forms.ModelForm):
Field('name', id="node-details-traits-input",
css_class="input-sm input-traits"),
Div(
HTML('<input type="submit" '
'class="btn btn-default btn-sm input-traits" '
'value="Add trait"/>',
),
Submit("submit", _("Add trait"),
css_class="btn btn-primary btn-sm input-traits"),
css_class="input-group-btn",
),
css_class="input-group",
......
circle/dashboard/static/dashboard/node-details.js
$(function() {
/* rename */
$("#node-details-h1-name, .node-details-rename-button").click(function() {
$("#node-details-h1-name").hide();
......@@ -43,26 +44,6 @@
return false;
});
function changeNodeStatus(data) {
$.ajax({
type: 'POST',
url: data['url'],
headers: {"X-CSRFToken": getCookie('csrftoken')},
success: function(re, textStatus, xhr) {
if(!data['redirect']) {
selected = [];
addMessage(re['message'], 'success');
} else {
window.location.replace('/dashboard');
}
},
error: function(xhr, textStatus, error) {
addMessage('Uh oh :(', 'danger')
}
});
}
// remove trait
$('.node-details-remove-trait').click(function() {
var to_remove = $(this).data("trait-pk");
......@@ -86,3 +67,24 @@ function changeNodeStatus(data) {
});
return false;
});
});
function changeNodeStatus(data) {
$.ajax({
type: 'POST',
url: data['url'],
headers: {"X-CSRFToken": getCookie('csrftoken')},
success: function(re, textStatus, xhr) {
if(!data['redirect']) {
selected = [];
addMessage(re['message'], 'success');
} else {
window.location.replace('/dashboard');
}
},
error: function(xhr, textStatus, error) {
addMessage('Uh oh :(', 'danger')
}
});
}
circle/dashboard/static/dashboard/node-list.js
var ctrlDown, shiftDown = false;
var ctrlKey = 17;
var shiftKey = 16;
var selected = [];
$(function() {
$(document).keydown(function(e) {
if (e.keyCode == ctrlKey) ctrlDown = true;
if (e.keyCode == shiftKey) shiftDown = true;
}).keyup(function(e) {
if (e.keyCode == ctrlKey) ctrlDown = false;
if (e.keyCode == shiftKey) shiftDown = false;
});
$('.node-list-table tbody').find('tr').mousedown(function() {
var retval = true;
if (ctrlDown) {
setRowColor($(this));
if(!$(this).hasClass('node-list-selected')) {
selected.splice(selected.indexOf($(this).index()), 1);
} else {
selected.push($(this).index());
}
retval = false;
} else if(shiftDown) {
if(selected.length > 0) {
start = selected[selected.length - 1] + 1;
end = $(this).index();
if(start > end) {
var tmp = start - 1; start = end; end = tmp - 1;
}
for(var i = start; i <= end; i++) {
if(selected.indexOf(i) < 0) {
selected.push(i);
setRowColor($('.node-list-table tbody tr').eq(i));
}
}
}
retval = false;
} else {
$('.node-list-selected').removeClass('node-list-selected');
$(this).addClass('node-list-selected');
selected = [$(this).index()];
}
// reset btn disables
$('.node-list-table tbody tr .btn').attr('disabled', false);
// show/hide group controls
if(selected.length > 1) {
$('.node-list-group-control a').attr('disabled', false);
for(var i = 0; i < selected.length; i++) {
$('.node-list-table tbody tr').eq(selected[i]).find('.btn').attr('disabled', true);
}
} else {
$('.node-list-group-control a').attr('disabled', true);
}
return retval;
});
$('#node-list-group-migrate').click(function() {
console.log(collectIds(selected));
});
$(document).ready( function()
{
$(document).ready( function() {
colortable();
$('.node-list-details').popover(
{
placement : 'auto',
html : true,
trigger : 'click',
});
});
$('tbody a').mousedown(function(e) {
// parent tr doesn't get selected when clicked
e.stopPropagation();
});
$('tbody a').click(function(e) {
// browser doesn't jump to top when clicked the buttons
if(!$(this).hasClass('real-link')) {
return false;
}
});
// find disabled nodes, set danger (red) on the rows
......@@ -176,51 +91,4 @@ $(function() {
});
return false;
});
/* group actions */
/* select all */
$('#node-list-group-select-all').click(function() {
$('.node-list-table tbody tr').each(function() {
var index = $(this).index();
if(selected.indexOf(index) < 0) {
selected.push(index);
$(this).addClass('node-list-selected');
}
});
if(selected.length > 0)
$('.node-list-group-control a').attr('disabled', false);
return false;
});
/* mass vm delete */
$('#node-list-group-delete').click(function() {
addModalConfirmation(massDeleteVm,
{
'url': '/dashboard/node/mass-delete/',
'data': {
'selected': selected,
'v': collectIds(selected)
}
}
);
return false;
});
});
function collectIds(rows) {
var ids = [];
for(var i = 0; i < rows.length; i++) {
var div = $('td:first-child div', $('.node-list-table tbody tr').eq(rows[i]));
ids.push(div.prop('id').replace('node-', ''));
}
return ids;
}
function setRowColor(row) {
if(!row.hasClass('node-list-selected')) {
row.addClass('node-list-selected');
} else {
row.removeClass('node-list-selected');
}
}
circle/dashboard/tables.py
......@@ -22,7 +22,7 @@ from django_tables2 import Table, A
from django_tables2.columns import (TemplateColumn, Column, BooleanColumn,
LinkColumn)
from vm.models import Instance, Node, InstanceTemplate, Lease
from vm.models import Node, InstanceTemplate, Lease
from django.utils.translation import ugettext_lazy as _
from django_sshkey.models import UserKey
......@@ -35,16 +35,11 @@ class NodeListTable(Table):
)
overcommit = Column(
verbose_name="Overcommit",
verbose_name=_("Overcommit"),
attrs={'th': {'class': 'node-list-table-thin'}},
)
host = Column(
verbose_name="Host",
)
enabled = BooleanColumn(
verbose_name="Enabled",
attrs={'th': {'class': 'node-list-table-thin'}},
)
......@@ -54,28 +49,28 @@ class NodeListTable(Table):
)
priority = Column(
verbose_name=_("Priority"),
attrs={'th': {'class': 'node-list-table-thin'}},
)
number_of_VMs = TemplateColumn(
verbose_name=_("Number of VMs"),
template_name='dashboard/node-list/column-vm.html',
attrs={'th': {'class': 'node-list-table-thin'}},
)
monitor = TemplateColumn(
verbose_name=_("Monitor"),
template_name='dashboard/node-list/column-monitor.html',
attrs={'th': {'class': 'node-list-table-monitor'}},
orderable=False,
)
details = TemplateColumn(
template_name='dashboard/node-list/column-details.html',
attrs={'th': {'class': 'node-list-table-thin'}},
)
actions = TemplateColumn(
verbose_name=_("Actions"),
attrs={'th': {'class': 'node-list-table-thin'}},
template_code=('{% include "dashboard/node-list/column-'
'actions.html" with btn_size="btn-xs" %}'),
orderable=False,
)
class Meta:
......@@ -141,43 +136,6 @@ class UserListTable(Table):
fields = ('pk', 'username', )
class NodeVmListTable(Table):
pk = TemplateColumn(
template_name='dashboard/vm-list/column-id.html',
verbose_name="ID",
attrs={'th': {'class': 'vm-list-table-thin'}},
)
name = TemplateColumn(
template_name="dashboard/vm-list/column-name.html"
)
admin = TemplateColumn(
template_name='dashboard/vm-list/column-admin.html',
attrs={'th': {'class': 'vm-list-table-admin'}},
)
details = TemplateColumn(
template_name='dashboard/vm-list/column-details.html',
attrs={'th': {'class': 'vm-list-table-thin'}},
)
actions = TemplateColumn(
template_name='dashboard/vm-list/column-actions.html',
attrs={'th': {'class': 'vm-list-table-thin'}},
)
time_of_suspend = TemplateColumn(
'{{ record.time_of_suspend|timeuntil }}',
verbose_name=_("Suspend in"))
time_of_delete = TemplateColumn(
'{{ record.time_of_delete|timeuntil }}',
verbose_name=_("Delete in"))
class Meta:
model = Instance
attrs = {'class': ('table table-bordered table-striped table-hover '
'vm-list-table')}
fields = ('pk', 'name', 'state', 'time_of_suspend', 'time_of_delete', )
class UserListTablex(Table):
class Meta:
model = User
......
circle/dashboard/templates/dashboard/node-detail.html
......@@ -54,11 +54,13 @@
<div class="row">
<div class="col-md-2" id="node-info-pane">
<div id="node-info-data" class="big">
<span id="node-details-state" class="label {% if node.state == 'ONLINE' %}label-success
{% elif node.state == 'MISSING' %}label-danger
{% elif node.state == 'DISABLED' %}label-warning
{% elif node.state == 'OFFLINE' %}label-warning
{% endif %}">{{ node.get_status_display|upper }}</span>
<span id="node-details-state" class="label
{% if node.state == 'ONLINE' %}label-success
{% elif node.state == 'MISSING' %}label-danger
{% elif node.state == 'DISABLED' %}label-warning
{% elif node.state == 'OFFLINE' %}label-warning{% endif %}">
<i class="fa {{ node.get_status_icon }}"></i> {{ node.get_status_display|upper }}
</span>
</div>
</div>
<div class="col-md-10" id="node-detail-pane">
......@@ -67,39 +69,41 @@
<li class="active">
<a href="#home" data-toggle="pill" class="text-center">
<i class="fa fa-compass fa-2x"></i><br>
{% trans "Home" %}</a></li>
{% trans "Home" %}
</a>
</li>
<li>
<a href="#resources" data-toggle="pill" class="text-center">
<i class="fa fa-tasks fa-2x"></i><br>
{% trans "Resources" %}</a></li>
{% trans "Resources" %}
</a>
</li>
<li>
<a href="#virtualmachines" data-toggle="pill" class="text-center">
<a href="{% url "dashboard.views.vm-list" %}?s=node:{{ node.name }}"
target="blank" class="text-center">
<i class="fa fa-desktop fa-2x"></i><br>
{% trans "Virtual Machines" %}</a></li>
{% trans "Virtual Machines" %}
</a>
</li>
<li>
<a href="#activity" data-toggle="pill" class="text-center">
<i class="fa fa-clock-o fa-2x"></i><br>
{% trans "Activity" %}</a></li>
{% trans "Activity" %}
</a>
</li>
</ul>
<div id="panel-body" class="tab-content panel-body">
<div class="tab-pane active" id="home">{% include "dashboard/node-detail/home.html" %}</div>
<div class="tab-pane" id="resources">{% include "dashboard/node-detail/resources.html" %}</div>
<div class="tab-pane" id="activity">{% include "dashboard/node-detail/activity.html" %}</div>
<div class="tab-pane" id="virtualmachines">{% include "dashboard/node-detail/vm.html" %}</div>
</div>
</div>
</div>
</div>
</div>
<style>
.popover {
max-width: 600px;
}
</style>
{% endblock %}
{% block extra_js %}
<script src="{{ STATIC_URL}}dashboard/node-details.js"></script>
<script src="{{ STATIC_URL}}dashboard/node-details.js"></script>
{% endblock %}
circle/dashboard/templates/dashboard/node-detail/_activity-timeline.html
......@@ -5,15 +5,17 @@
<span class="timeline-icon{% if a.has_failed %} timeline-icon-failed{% endif %}">
<i class="fa {% if not a.finished %}fa-refresh fa-spin {% else %}fa-plus{% endif %}"></i>
</span>
<strong>{% if user.is_superuser %}
{{ a.readable_name.get_admin_text }}
{% else %}
{{ a.readable_name.get_user_text }}{% endif %}</strong>
<strong title="{{ a.result.get_admin_text }}">
{{ a.readable_name.get_admin_text|capfirst }}
</strong>
{{ a.started|date:"Y-m-d H:i" }}, {{ a.user }}
{% if a.children.count > 0 %}
<div class="sub-timeline">
{% for s in a.children.all %}
<div data-activity-id="{{ s.pk }}" class="sub-activity{% if s.has_failed %} sub-activity-failed{% endif %}">
<div data-activity-id="{{ s.pk }}"
class="sub-activity{% if s.has_failed %} sub-activity-failed{% endif %}"
>
{% if user.is_superuser %}
{{ s.readable_name.get_admin_text }}
{% else %}
......@@ -25,7 +27,7 @@
<i class="fa fa-refresh fa-spin" class="sub-activity-loading-icon"></i>
{% endif %}
{% if s.has_failed %}
<div class="label label-danger">{% trans "failed" %}</div>
<div title="{{ s.result.get_admin_text }}" class="label label-danger">{% trans "failed" %}</div>
{% endif %}
</div>
{% endfor %}
......
circle/dashboard/templates/dashboard/node-detail/resources.html
......@@ -4,15 +4,25 @@
<dl class="dl-horizontal">
<dt>{% trans "Node name" %}:</dt><dd>{{ node.name }}</dd>
<dt>{% trans "CPU cores" %}:</dt><dd>{{ node.info.core_num }}</dd>
<dt>{% trans "RAM size" %}:</dt> <dd>{% widthratio node.info.ram_size 1048576 1 %} MB</dd>
<dt>{% trans "RAM size" %}:</dt> <dd>{% widthratio node.info.ram_size 1048576 1 %} MiB</dd>
<dt>{% trans "Architecture" %}:</dt><dd>{{ node.info.architecture }}</dd>
<dt>{% trans "Host IP" %}:</dt><dd>{{ node.host.ipv4 }}</dd>
<dt>{% trans "Enabled" %}:</dt><dd>{{ node.enabled }}</dd>
<dt>{% trans "Host online" %}:</dt><dd> {{ node.online }}</dd>
<dt>{% trans "Priority" %}:</dt><dd>{{ node.priority }}</dd>
<dt>{% trans "Host owner" %}:</dt><dd>{{ node.host.owner }}</dd>
<dt>{% trans "Host owner" %}:</dt>
<dd>
{% include "dashboard/_display-name.html" with user=node.host.owner show_org=True %}
</dd>
<dt>{% trans "Vlan" %}:</dt><dd>{{ node.host.vlan }}</dd>
<dt>{% trans "Host name" %}:</dt><dd>{{ node.host.hostname }}</dd>
<dt>{% trans "Host name" %}:</dt>
<dd>
{{ node.host.hostname }}
<a href="{{ node.host.get_absolute_url }}" class="btn btn-default btn-xs">
<i class="fa fa-pencil"></i>
{% trans "Edit host" %}
</a>
</dd>
</dl>
{% block extra_js %}
......
circle/dashboard/templates/dashboard/node-detail/vm.html deleted 100644 → 0
{% load render_table from django_tables2 %}
{% block content %}
<div class="panel-body">
{% render_table table %}
</div>
{% endblock %}
<script>
"use strict";
$('a[data-toggle$="pill"][href!="#virtualmachines"]').click(function() {
$("#node-info-pane").fadeIn();
$("#node-detail-pane").removeClass("col-md-12");
});
$('a[href$="virtualmachines"]').click(function() {
$("#node-info-pane").hide();
$("#node-detail-pane").addClass("col-md-12");
});
</script>
{% block extra_js %}
<script src="{{ STATIC_URL}}dashboard/vm-list.js"></script>
{% endblock %}
circle/dashboard/templates/dashboard/node-list.html
......@@ -12,35 +12,24 @@
<div class="panel-heading">
<h3 class="no-margin"><i class="fa fa-desktop"></i> {% trans "Compute nodes" %}</h3>
</div>
<div id="table_container">
<div id="table_container">
<div id="rendered_table" class="panel-body">
{% render_table table %}
{% render_table table %}
</div>
</div>
</div>
</div>
</div>
<style>
.node-list-table tbody>tr>td {
<style>
.node-list-table tbody>tr>td, .node-list-table thead>tr>th {
vertical-align: middle;
}
.popover {
max-width: 600px;
}
.node-list-selected, .node-list-selected td {
background-color: #e8e8e8 !important;
}
.node-list-selected:hover, .node-list-selected:hover td {
background-color: #d0d0d0 !important;
}
.node-list-selected td:first-child {
font-weight: bold;
.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 {
......@@ -54,5 +43,5 @@
{% endblock %}
{% block extra_js %}
<script src="{{ STATIC_URL}}dashboard/node-list.js"></script>
<script src="{{ STATIC_URL}}dashboard/node-list.js"></script>
{% endblock %}
circle/dashboard/templates/dashboard/node-list/column-actions.html
{% load i18n %}
<div class="btn-group">
<button type="button" class="btn {{ btn_size }} btn-warning nojs-dropdown-toogle dropdown-toggle" data-toggle="dropdown">Action <i class="fa fa-caret-down"></i></button>
<button type="button" class="btn {{ btn_size }} btn-warning nojs-dropdown-toogle dropdown-toggle" data-toggle="dropdown">Action
<i class="fa fa-caret-down"></i>
</button>
<ul class="dropdown-menu nojs-dropdown-toogle" role="menu">
<li><a href="#" class="node-details-rename-button"><i class="fa fa-pencil"></i> {% trans "Rename" %}</a></li>
<li><a data-node-pk="{{ record.pk }}" class="real-link node-flush" href="{% url "dashboard.views.flush-node" pk=record.pk %}"><i class="fa fa-cloud-upload"></i>{% trans "Flush" %}</a>
<li><a style={% if record.enabled %}"display:none"{% else %}"display:block"{% endif %} data-node-pk="{{ record.pk }}" class="real-link node-enable" href="{% url "dashboard.views.status-node" pk=record.pk %}?next={{ request.path }}"><i class="fa fa-check"></i>{% trans "Enable" %}</a>
<a style={% if record.enabled %}"display:block"{% else %}"display:none"{% endif %} data-node-pk="{{ record.pk }}" class="real-link node-enable" href="{% url "dashboard.views.status-node" pk=record.pk %}?next={{ request.path }}"><i class="fa fa-times"></i>{% trans "Disable" %}</a></li>
<li><a data-node-pk="{{ record.pk }}" class="real-link node-delete" href="{% url "dashboard.views.delete-node" pk=record.pk %}?next={{ request.path }}"><i class="fa fa-trash"></i>{% trans "Delete" %}</a></li>
</ul>
<li>
<a href="#" class="node-details-rename-button">
<i class="fa fa-pencil"></i> {% trans "Rename" %}
</a>
</li>
<li>
<a data-node-pk="{{ record.pk }}" class="real-link node-flush" href="{% url "dashboard.views.flush-node" pk=record.pk %}">
<i class="fa fa-cloud-upload"></i> {% trans "Flush" %}
</a>
</li>
<li>
<a style={% if record.enabled %}"display:none"{% else %}"display:block"{% endif %} data-node-pk="{{ record.pk }}" class="real-link node-enable" href="{% url "dashboard.views.status-node" pk=record.pk %}?next={{ request.path }}">
<i class="fa fa-check"></i> {% trans "Enable" %}
</a>
</li>
<li>
<a style={% if record.enabled %}"display:block"{% else %}"display:none"{% endif %} data-node-pk="{{ record.pk }}" class="real-link node-enable" href="{% url "dashboard.views.status-node" pk=record.pk %}?next={{ request.path }}">
<i class="fa fa-times"></i> {% trans "Disable" %}
</a>
</li>
<li>
<a data-node-pk="{{ record.pk }}" class="real-link node-delete" href="{% url "dashboard.views.delete-node" pk=record.pk %}?next={{ request.path }}">
<i class="fa fa-trash-o"></i> {% trans "Delete" %}
</a>
</li>
</ul>
</div>
circle/dashboard/templates/dashboard/node-list/column-admin.html deleted 100644 → 0
{% load i18n %}
<a class="btn btn-default btn-xs" title="{% trans "Flush" %}">
<i class="fa fa-cloud-upload"></i>
</a>
<a id="node-list-rename-button" class="btn btn-default btn-xs" title="{% trans "Rename" %}">
<i class="fa fa-pencil"></i>
</a>
circle/dashboard/templates/dashboard/node-list/column-details.html deleted 100644 → 0
<a class="btn btn-info btn-xs node-list-details" rel="popover" href="#" data-toggle="popover"
data-content='
<h4>Quick details</h4>
<dl class="dl-horizontal">
<dt>Number of cores:</dt><dd>{{ record.num_cores }}</dd>
<dt>Memory:</dt> <dd>{% widthratio record.ram_size 1048576 1 %} MB</dd>
<dt>Architecture:</td><dd>{{ record.arch }}</dd>
</dl>
<dl>
<dt>IPv4 address:</dt><dd>{{ record.ipv4 }}10.9.8.7</dd>
<dt>IPv6 address:</dt><dd> 2001:2001:2001:2001:2001:2001::</dd>
<dt>DNS name:</dt><dd>1825.vm.ik.bme.hu</dd>
</ul>
'>Details</a>
circle/dashboard/templates/dashboard/node-list/column-id.html deleted 100644 → 0
<div id="node-{{ record.pk }}">{{ record.pk }}</div>
circle/dashboard/templates/dashboard/node-list/column-vm.html
{% load i18n %}
<div id="node-list-column-vm">
<a class="real-link" href="{% url "dashboard.views.node-detail" pk=record.pk %}#virtualmachines">{{ value }}</a>
<a class="real-link" href="{% url "dashboard.views.vm-list" %}?s=node:{{ record.name }}">
{{ value }}
</a>
</div>
circle/dashboard/templates/dashboard/node-list/test-one.html deleted 100644 → 0
<tr>
<!--<td><input type="checkbox"/ class="vm-checkbox" id="vm-1825{{ c }}"></td>-->
<td>
<div id="vm-1{{ c }}">1{{ c }}</div>
</td>
<td><a href="" class="real-link">network-devenv</a></td>
<td>running</td>
<td>10 days</td>
<td>1 month</td>
<td>
<a class="btn btn-default btn-xs" title data-original-title="Migrate">
<i class="fa fa-truck"></i>
</a>
<a class="btn btn-default btn-xs" title data-original-title="Rename">
<i class="fa fa-pencil"></i>
</a>
<a href="#" class="btn btn-default btn-xs vm-list-connect" data-toggle="popover"
data-content='
Belépés: <input style="width: 300px;" type="text" class="form-control" value="ssh cloud@vm.ik.bme.hu -p22312"/>
Jelszó: <input style="width: 300px;" type="text" class="form-control" value="asdfkicsiasdfkocsi"/>
'>Connect</a>
</td>
<td>
<a class="btn btn-info btn-xs vm-list-details" href="#" data-toggle="popover"
data-content='
<h4>Quick details</h4>
<dl class="dl-horizontal">
<dt>Number of cores:</dt><dd>4</dd>
<dt>Memory:</dt> <dd>512 MB</dd>
<dt>Architecture:</td><dd>x86-64</dd>
</dl>
<dl>
<dt>IPv4 address:</dt><dd>10.9.8.7</dd>
<dt>IPv6 address:</dt><dd> 2001:2001:2001:2001:2001:2001::</dd>
<dt>DNS name:</dt><dd>1825.vm.ik.bme.hu</dd>
</ul>
'>Details</a>
</td>
<td>
<div class="btn-group">
<button type="button" class="btn btn-xs btn-warning nojs-dropdown-toogle dropdown-toggle" data-toggle="dropdown">Action <i class="fa fa-caret-down"></i></button>
<ul class="nojs-dropdown-menu dropdown-menu" role="menu">
<li><a href="#"><i class="fa fa-refresh"></i> Reboot</a></li>
<li><a href="#"><i class="fa fa-off"></i> Shutdown</a></li>
<li><a href="#"><i class="fa fa-times"></i> Discard</a></li>
</ul>
</div>
</td>
</tr>
circle/dashboard/views.py
......@@ -74,7 +74,7 @@ from .forms import (
)
from .tables import (
NodeListTable, NodeVmListTable, TemplateListTable, LeaseListTable,
NodeListTable, TemplateListTable, LeaseListTable,
GroupListTable, UserKeyListTable
)
from common.models import HumanReadableObject, HumanReadableException
......@@ -996,8 +996,6 @@ class NodeDetailView(LoginRequiredMixin, SuperuserRequiredMixin, DetailView):
if form is None:
form = self.form_class()
context = super(NodeDetailView, self).get_context_data(**kwargs)
instances = Instance.active.filter(node=self.object)
context['table'] = NodeVmListTable(instances)
na = NodeActivity.objects.filter(
node=self.object, parent=None
).order_by('-started').select_related()
......
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