request: add resource request

circle/dashboard/static/dashboard/dashboard.less

@@ -1270,6 +1270,21 @@ textarea[name="new_members"] {
   margin-top: 20px;
 }
 
-#vm-renew-request-lease {
+#vm-renew-request-lease, #vm-request-resource-form {
   display: none;
 }
+
+.label-100 {
+  display: block;
+  width: 100%;
+}
+
+#modify-the-resources {
+  font-size: 18px;
+  display: none;
+}
+
+#vm-request-resource-form textarea {
+  max-width: 500px;
+  height: 150px;
+}

circle/dashboard/static/dashboard/vm-details.js

@@ -228,4 +228,20 @@ $(function() {
     e.preventDefault();
   });
 
+  $("#vm-request-resource").click(function(e) {
+    $(".cpu-priority-slider, .cpu-count-slider, .ram-slider").simpleSlider("setDisabled", false);
+    $(".ram-input, .cpu-count-input, .cpu-priority-input").prop("disabled", false);
+
+    $("#vm-details-resources-form").prop("action", $(this).prop("href"));
+    $("#vm-request-resource-form").show();
+    $("#modify-the-resources").show();
+    $(this).hide();
+
+    $("html, body").animate({
+      scrollTop: $("#modify-the-resources").offset().top - 60
+    });
+
+    return e.preventDefault();
+  });
+
 });

circle/dashboard/templates/dashboard/vm-detail/resources.html

@@ -2,19 +2,39 @@
 {% load sizefieldtags %}
 {% load crispy_forms_tags %}
 
+
+<div class="label label-info label-100" id="modify-the-resources">
+  {% trans "Modify the resources" %}
+</div>
 <form method="POST" action="{{ op.resources_change.get_url }}" id="vm-details-resources-form">
   {% csrf_token %}
   {% include "dashboard/_resources-sliders.html" with field_priority=resources_form.priority field_num_cores=resources_form.num_cores field_ram_size=resources_form.ram_size %}
 
 {% if op.resources_change %}
-    <button type="submit" class="btn btn-success btn-sm change-resources-button" 
-      id="vm-details-resources-save" data-vm="{{ instance.pk }}"
-      {% if op.resources_change.disabled %}disabled{% endif %}>
-      <i class="fa fa-floppy-o"></i> {% trans "Save resources" %}
-    </button>
-    <span class="change-resources-help"
-      {% if not op.resources_change.disabled %}style="display: none;"{% endif %}
-      >{% trans "Stop your VM to change resources." %}</span>
+  <button type="submit" class="btn btn-success btn-sm change-resources-button"
+    id="vm-details-resources-save" data-vm="{{ instance.pk }}"
+    {% if op.resources_change.disabled %}disabled{% endif %}>
+    <i class="fa fa-floppy-o"></i> {% trans "Save resources" %}
+  </button>
+  <span class="change-resources-help"
+    {% if not op.resources_change.disabled %}style="display: none;"{% endif %}>
+    {% trans "Stop your VM to change resources." %}
+  </span>
+{% else %}
+  <div id="vm-request-resource-form">
+    <div class="form-group">
+      <label>{% trans "Reason" %}*</label>
+      <textarea class="form-control" name="reason"></textarea>
+    </div>
+    <input type="submit" class="btn btn-success btn-sm"/>
+  </div>
+
+  <a href="{% url "request.views.request-resource" vm_pk=object.pk %}"
+   class="btn btn-primary btn-sm" id="vm-request-resource">
+    <i class="fa fa-tasks"></i>
+    {% trans "Request more resource" %}
+  </a>
+
 {% endif %}
 </form>
 

circle/request/forms.py

@@ -10,6 +10,7 @@ from crispy_forms.layout import Submit
 from request.models import (
     LeaseType, TemplateAccessType, TemplateAccessAction,
 )
+from dashboard.forms import VmResourcesForm
 
 
 class LeaseTypeForm(ModelForm):
@@ -54,3 +55,6 @@ class LeaseRequestForm(Form):
     lease = ModelChoiceField(LeaseType.objects.all(),
                              label=_("Lease"))
     reason = CharField(widget=forms.Textarea)
+
+class ResourceRequestForm(VmResourcesForm):
+    reason = CharField(widget=forms.Textarea)

circle/request/templates/request/request-resource.html

+{% extends "dashboard/base.html" %}
+
+{% load i18n %}
+{% load crispy_forms_tags %}
+
+{% block content %}
+
+<div class="row">
+  <div class="col-md-12">
+    <div class="panel panel-default">
+      <div class="panel-heading">
+        <h3 class="no-margin">
+          <i class="fa fa-tasks"></i> {% trans "Request new resources" %}
+        </h3>
+      </div>
+      <div class="panel-body">
+        <form action="{% url "request.views.request-resource" vm_pk=vm.pk %}" method="POST">
+          {% csrf_token %}
+          <div class="form-group">
+            <label>{% trans "Virtual machine" %}</label>
+            <div class="controls">
+              <a href="{{ vm.get_absolute_url }}">{{ vm.name }}</a>
+            </div>
+          </div>
+          {% include "display-form-errors.html" %}
+          {% include "dashboard/_resources-sliders.html" with field_priority=form.priority field_num_cores=form.num_cores field_ram_size=form.ram_size %}
+          {{ form.reason|as_crispy_field }}
+          <button type="submit" class="btn btn-success">
+            {% trans "Request new resources" %}
+          </button>
+        </form>
+      </div>
+    </div>
+  </div>
+</div>
+
+{% endblock %}

circle/request/urls.py

@@ -22,7 +22,7 @@ from .views import (
     RequestList, RequestDetail, RequestTypeList,
     LeaseTypeCreate, LeaseTypeDetail,
     TemplateAccessTypeCreate, TemplateAccessTypeDetail,
-    TemplateRequestView, LeaseRequestView,
+    TemplateRequestView, LeaseRequestView, ResourceRequestView,
 )
 
 urlpatterns = patterns(
@@ -49,5 +49,7 @@ urlpatterns = patterns(
     url(r'template/$', TemplateRequestView.as_view(),
         name="request.views.request-template"),
     url(r'lease/(?P<vm_pk>\d+)/$', LeaseRequestView.as_view(),
-        name="request.views.request-lease")
+        name="request.views.request-lease"),
+    url(r'resource/(?P<vm_pk>\d+)/$', ResourceRequestView.as_view(),
+        name="request.views.request-resource"),
 )

circle/request/views.py

@@ -11,7 +11,7 @@ from django_tables2 import SingleTableView
 
 from request.models import (
     Request, TemplateAccessType, LeaseType, TemplateAccessAction,
-    ExtendLeaseAction,
+    ExtendLeaseAction, ResourceChangeAction,
 )
 from vm.models import Instance
 from request.tables import (
@@ -19,8 +19,9 @@ from request.tables import (
 )
 from request.forms import (
     LeaseTypeForm, TemplateAccessTypeForm, TemplateRequestForm,
-    LeaseRequestForm,
+    LeaseRequestForm, ResourceRequestForm,
 )
+from dashboard.forms import VmResourcesForm
 
 
 class RequestList(LoginRequiredMixin, SuperuserRequiredMixin, SingleTableView):
@@ -153,3 +154,60 @@ class LeaseRequestView(FormView):
         req.save()
 
         return redirect(vm.get_absolute_url())
+
+
+class ResourceRequestView(FormView):
+    form_class = ResourceRequestForm
+    template_name = "request/request-resource.html"
+
+    def get_vm(self):
+        return get_object_or_404(Instance, pk=self.kwargs['vm_pk'])
+
+    def dispatch(self, *args, **kwargs):
+        vm = self.get_vm()
+        user = self.request.user
+        if not vm.has_level(user, "user"):
+            raise PermissionDenied()
+        return super(ResourceRequestView, self).dispatch(*args, **kwargs)
+
+    def get_context_data(self, **kwargs):
+        context = super(ResourceRequestView, self).get_context_data(**kwargs)
+        context['vm'] = self.get_vm()
+        return context
+
+    def get_form_kwargs(self):
+        kwargs = super(ResourceRequestView, self).get_form_kwargs()
+        kwargs['can_edit'] = True
+        kwargs['instance'] = self.get_vm()
+        return kwargs
+
+    def get_initial(self):
+        vm = self.get_vm()
+        initial = super(ResourceRequestView, self).get_initial()
+        initial['num_cores'] = vm.num_cores
+        initial['priority'] = vm.priority
+        initial['ram_size'] = vm.ram_size
+        return initial
+
+    def form_valid(self, form):
+        vm = self.get_vm()
+        data = form.cleaned_data
+        user = self.request.user
+
+        rc = ResourceChangeAction(
+            instance=vm,
+            num_cores=data['num_cores'],
+            priority=data['priority'],
+            ram_size=data['ram_size'],
+        )
+        rc.save()
+
+        req = Request(
+            user=user,
+            reason=data['reason'],
+            type=Request.TYPES.resource,
+            action=rc
+        )
+        req.save()
+
+        return redirect(vm.get_absolute_url())