Merge "Resizing a server by means of changing its flavor"

This commit is contained in:
Jenkins 2013-06-05 10:39:36 +00:00 committed by Gerrit Code Review
commit 9254c32527
8 changed files with 342 additions and 3 deletions

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@ -463,6 +463,10 @@ def server_migrate(request, instance_id):
novaclient(request).servers.migrate(instance_id)
def server_resize(request, instance_id, flavor, **kwargs):
novaclient(request).servers.resize(instance_id, flavor, **kwargs)
def server_confirm_resize(request, instance_id):
novaclient(request).servers.confirm_resize(instance_id)

View File

@ -272,6 +272,26 @@ class LogLink(tables.LinkAction):
return "?".join([base_url, tab_query_string])
class ResizeLink(tables.LinkAction):
name = "resize"
verbose_name = _("Resize Instance")
url = "horizon:project:instances:resize"
classes = ("ajax-modal", "btn-resize")
def get_link_url(self, project):
return self._get_link_url(project, 'flavor_choice')
def _get_link_url(self, project, step_slug):
base_url = urlresolvers.reverse(self.url, args=[project.id])
param = urlencode({"step": step_slug})
return "?".join([base_url, param])
def allowed(self, request, instance):
return ((instance.status in ACTIVE_STATES
or instance.status == 'SHUTOFF')
and not is_deleting(instance))
class ConfirmResize(tables.Action):
name = "confirm"
verbose_name = _("Confirm Resize/Migrate")
@ -498,5 +518,5 @@ class InstancesTable(tables.DataTable):
SimpleAssociateIP, AssociateIP,
SimpleDisassociateIP, EditInstance,
EditInstanceSecurityGroups, ConsoleLink, LogLink,
TogglePause, ToggleSuspend, SoftRebootInstance,
RebootInstance, TerminateInstance)
TogglePause, ToggleSuspend, ResizeLink,
SoftRebootInstance, RebootInstance, TerminateInstance)

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@ -0,0 +1,47 @@
{% load i18n horizon humanize %}
<h4>{% trans "Flavor Details" %}</h4>
<table class="flavor_table table-striped">
<tbody>
<tr><td class="flavor_name">{% trans "Name" %}</td><td><span id="flavor_name"></span></td></tr>
<tr><td class="flavor_name">{% trans "VCPUs" %}</td><td><span id="flavor_vcpus"></span></td></tr>
<tr><td class="flavor_name">{% trans "Root Disk" %}</td><td><span id="flavor_disk"> </span> {% trans "GB" %}</td></tr>
<tr><td class="flavor_name">{% trans "Ephemeral Disk" %}</td><td><span id="flavor_ephemeral"></span> {% trans "GB" %}</td></tr>
<tr><td class="flavor_name">{% trans "Total Disk" %}</td><td><span id="flavor_disk_total"></span> {% trans "GB" %}</td></tr>
<tr><td class="flavor_name">{% trans "RAM" %}</td><td><span id="flavor_ram"></span> {% trans "MB" %}</td></tr>
</tbody>
</table>
<div class="quota-dynamic">
<h4>{% trans "Project Quotas" %}</h4>
<div class="quota_title clearfix">
<strong>{% trans "Number of Instances" %} <span>({{ usages.instances.used|intcomma }})</span></strong>
<p>{{ usages.instances.available|quota|intcomma }}</p>
</div>
<div id="quota_instances" class="quota_bar" data-progress-indicator-flavor data-quota-limit="{{ usages.instances.quota }}" data-quota-used="{{ usages.instances.used }}">
</div>
<div class="quota_title clearfix">
<strong>{% trans "Number of VCPUs" %} <span>({{ usages.cores.used|intcomma }})</span></strong>
<p>{{ usages.cores.available|quota|intcomma }}</p>
</div>
<div id="quota_vcpus" class="quota_bar" data-progress-indicator-flavor data-quota-limit="{{ usages.cores.quota }}" data-quota-used="{{ usages.cores.used }}">
</div>
<div class="quota_title clearfix">
<strong>{% trans "Total RAM" %} <span>({{ usages.ram.used|intcomma }} {% trans "MB" %})</span></strong>
<p>{{ usages.ram.available|quota:_("MB")|intcomma }}</p>
</div>
<div id="quota_ram" data-progress-indicator-flavor data-quota-limit="{{ usages.ram.quota }}" data-quota-used="{{ usages.ram.used }}" class="quota_bar">
</div>
</div>
<script type="text/javascript" charset="utf-8">
if(typeof horizon.Quota !== 'undefined') {
horizon.Quota.initWithFlavors({{ flavors|safe|default:"{}" }});
} else {
addHorizonLoadEvent(function() {
horizon.Quota.initWithFlavors({{ flavors|safe|default:"{}" }});
});
}
</script>

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@ -1625,3 +1625,105 @@ class InstanceTests(test.TestCase):
res = self.client.post(INDEX_URL, formData)
self.assertRedirectsNoFollow(res, INDEX_URL)
@test.create_stubs({api.nova: ('server_get',
'flavor_list',),
quotas: ('tenant_quota_usages',)})
def test_instance_resize_get(self):
server = self.servers.first()
api.nova.server_get(IsA(http.HttpRequest), server.id) \
.AndReturn(server)
api.nova.flavor_list(IsA(http.HttpRequest)) \
.AndReturn(self.flavors.list())
api.nova.flavor_list(IsA(http.HttpRequest)) \
.AndReturn(self.flavors.list())
quotas.tenant_quota_usages(IsA(http.HttpRequest)) \
.AndReturn(self.quota_usages.first())
self.mox.ReplayAll()
url = reverse('horizon:project:instances:resize', args=[server.id])
res = self.client.get(url)
self.assertTemplateUsed(res, WorkflowView.template_name)
@test.create_stubs({api.nova: ('server_get',
'flavor_list',)})
def test_instance_resize_get_server_get_exception(self):
server = self.servers.first()
api.nova.server_get(IsA(http.HttpRequest), server.id) \
.AndRaise(self.exceptions.nova)
self.mox.ReplayAll()
url = reverse('horizon:project:instances:resize',
args=[server.id])
res = self.client.get(url)
self.assertRedirectsNoFollow(res, INDEX_URL)
@test.create_stubs({api.nova: ('server_get',
'flavor_list',)})
def test_instance_resize_get_flavor_list_exception(self):
server = self.servers.first()
api.nova.server_get(IsA(http.HttpRequest), server.id) \
.AndReturn(server)
api.nova.flavor_list(IsA(http.HttpRequest)) \
.AndRaise(self.exceptions.nova)
self.mox.ReplayAll()
url = reverse('horizon:project:instances:resize',
args=[server.id])
res = self.client.get(url)
self.assertRedirectsNoFollow(res, INDEX_URL)
def _instance_resize_post(self, server_id, flavor_id):
formData = {'flavor': flavor_id,
'default_role': 'member'}
url = reverse('horizon:project:instances:resize',
args=[server_id])
return self.client.post(url, formData)
instance_resize_post_stubs = {
api.nova: ('server_get', 'server_resize',
'flavor_list', 'flavor_get')}
@test.create_stubs(instance_resize_post_stubs)
def test_instance_resize_post(self):
server = self.servers.first()
flavor = self.flavors.first()
api.nova.server_get(IsA(http.HttpRequest), server.id) \
.AndReturn(server)
api.nova.flavor_list(IsA(http.HttpRequest)) \
.AndReturn(self.flavors.list())
api.nova.server_resize(IsA(http.HttpRequest), server.id, flavor.id) \
.AndReturn([])
self.mox.ReplayAll()
res = self._instance_resize_post(server.id, flavor.id)
self.assertNoFormErrors(res)
self.assertRedirectsNoFollow(res, INDEX_URL)
@test.create_stubs(instance_resize_post_stubs)
def test_instance_resize_post_api_exception(self):
server = self.servers.first()
flavor = self.flavors.first()
api.nova.server_get(IsA(http.HttpRequest), server.id) \
.AndReturn(server)
api.nova.flavor_list(IsA(http.HttpRequest)) \
.AndReturn(self.flavors.list())
api.nova.server_resize(IsA(http.HttpRequest), server.id, flavor.id) \
.AndRaise(self.exceptions.nova)
self.mox.ReplayAll()
res = self._instance_resize_post(server.id, flavor.id)
self.assertRedirectsNoFollow(res, INDEX_URL)

View File

@ -21,6 +21,7 @@
from django.conf.urls.defaults import patterns, url
from .views import IndexView, UpdateView, DetailView, LaunchInstanceView
from .views import ResizeView
INSTANCES = r'^(?P<instance_id>[^/]+)/%s$'
@ -35,4 +36,5 @@ urlpatterns = patterns(VIEW_MOD,
url(INSTANCES % 'console', 'console', name='console'),
url(INSTANCES % 'vnc', 'vnc', name='vnc'),
url(INSTANCES % 'spice', 'spice', name='spice'),
url(INSTANCES % 'resize', ResizeView.as_view(), name='resize'),
)

View File

@ -38,7 +38,7 @@ from horizon import workflows
from openstack_dashboard import api
from .tabs import InstanceDetailTabs
from .tables import InstancesTable
from .workflows import LaunchInstance, UpdateInstance
from .workflows import LaunchInstance, UpdateInstance, ResizeInstance
LOG = logging.getLogger(__name__)
@ -203,3 +203,53 @@ class DetailView(tabs.TabView):
def get_tabs(self, request, *args, **kwargs):
instance = self.get_data()
return self.tab_group_class(request, instance=instance, **kwargs)
class ResizeView(workflows.WorkflowView):
workflow_class = ResizeInstance
success_url = reverse_lazy("horizon:project:instances:index")
def get_context_data(self, **kwargs):
context = super(ResizeView, self).get_context_data(**kwargs)
context["instance_id"] = self.kwargs['instance_id']
return context
def get_object(self, *args, **kwargs):
if not hasattr(self, "_object"):
instance_id = self.kwargs['instance_id']
try:
self._object = api.nova.server_get(self.request, instance_id)
flavor_id = self._object.flavor['id']
flavors = self.get_flavors()
if flavor_id in flavors:
self._object.flavor_name = flavors[flavor_id].name
else:
flavor = api.nova.flavor_get(self.request, flavor_id)
self._object.flavor_name = flavor.name
except:
redirect = reverse("horizon:project:instances:index")
msg = _('Unable to retrieve instance details.')
exceptions.handle(self.request, msg, redirect=redirect)
return self._object
def get_flavors(self, *args, **kwargs):
if not hasattr(self, "_flavors"):
try:
flavors = api.nova.flavor_list(self.request)
self._flavors = SortedDict([(str(flavor.id), flavor)
for flavor in flavors])
except:
redirect = reverse("horizon:project:instances:index")
exceptions.handle(self.request,
_('Unable to retrieve flavors.'), redirect=redirect)
return self._flavors
def get_initial(self):
initial = super(ResizeView, self).get_initial()
_object = self.get_object()
if _object:
initial.update({'instance_id': self.kwargs['instance_id'],
'old_flavor_id': _object.flavor['id'],
'old_flavor_name': getattr(_object, 'flavor_name', ''),
'flavors': self.get_flavors()})
return initial

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@ -1,2 +1,3 @@
from create_instance import *
from update_instance import *
from resize_instance import *

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@ -0,0 +1,113 @@
# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2013 CentRin Data, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import logging
import json
from django.utils.translation import ugettext_lazy as _
from django.utils.datastructures import SortedDict
from django.views.decorators.debug import sensitive_variables
from horizon import exceptions
from horizon import workflows
from horizon import forms
from openstack_dashboard import api
from openstack_dashboard.usage import quotas
LOG = logging.getLogger(__name__)
class SetFlavorChoiceAction(workflows.Action):
old_flavor_id = forms.CharField(required=False, widget=forms.HiddenInput())
old_flavor_name = forms.CharField(label=_("Old Flavor"),
required=False,
widget=forms.TextInput(
attrs={'readonly': 'readonly'}
))
flavor = forms.ChoiceField(label=_("New Flavor"),
required=True,
help_text=_("Choose the flavor to launch."))
class Meta:
name = _("Flavor Choice")
slug = 'flavor_choice'
help_text_template = ("project/instances/"
"_resize_instance_help.html")
def clean(self):
cleaned_data = super(SetFlavorChoiceAction, self).clean()
flavor = cleaned_data.get('flavor', None)
if flavor is None or flavor == cleaned_data['old_flavor_id']:
raise forms.ValidationError(_('Please choose a new flavor that '
'can not be same as the old one.'))
return cleaned_data
def populate_flavor_choices(self, request, context):
flavors = context.get('flavors')
flavor_list = [(flavor.id, '%s' % flavor.name)
for flavor in flavors.values()]
if flavor_list:
flavor_list.insert(0, ("", _("Select an New Flavor")))
else:
flavor_list.insert(0, ("", _("No flavors available.")))
return sorted(flavor_list)
def get_help_text(self):
extra = {}
try:
extra['usages'] = quotas.tenant_quota_usages(self.request)
extra['usages_json'] = json.dumps(extra['usages'])
flavors = json.dumps([f._info for f in
api.nova.flavor_list(self.request)])
extra['flavors'] = flavors
except:
exceptions.handle(self.request,
_("Unable to retrieve quota information."))
return super(SetFlavorChoiceAction, self).get_help_text(extra)
class SetFlavorChoice(workflows.Step):
action_class = SetFlavorChoiceAction
depends_on = ("instance_id",)
contributes = ("old_flavor_id", "old_flavor_name", "flavors", "flavor")
class ResizeInstance(workflows.Workflow):
slug = "resize_instance"
name = _("Resize Instance")
finalize_button_name = _("Resize")
success_message = _('Resized instance "%s".')
failure_message = _('Unable to resize instance "%s".')
success_url = "horizon:project:instances:index"
default_steps = (SetFlavorChoice,)
def format_status_message(self, message):
return message % self.context.get('name', 'unknown instance')
@sensitive_variables('context')
def handle(self, request, context):
instance_id = context.get('instance_id', None)
flavor = context.get('flavor', None)
try:
api.nova.server_resize(request, instance_id, flavor)
return True
except:
exceptions.handle(request)
return False