horizon/horizon/dashboards/nova/images_and_snapshots/images/forms.py

156 lines
6.7 KiB
Python

# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2012 United States Government as represented by the
# Administrator of the National Aeronautics and Space Administration.
# All Rights Reserved.
#
# Copyright 2012 Nebula, 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.
"""
Views for managing Nova images.
"""
import logging
from django import shortcuts
from django.contrib import messages
from django.core.urlresolvers import reverse
from django.utils.text import normalize_newlines
from django.utils.translation import ugettext as _
from horizon import api
from horizon import exceptions
from horizon import forms
LOG = logging.getLogger(__name__)
class UpdateImageForm(forms.SelfHandlingForm):
image_id = forms.CharField(widget=forms.HiddenInput())
name = forms.CharField(max_length="25", label=_("Name"))
kernel = forms.CharField(max_length="25", label=_("Kernel ID"),
required=False)
ramdisk = forms.CharField(max_length="25", label=_("Ramdisk ID"),
required=False)
architecture = forms.CharField(label=_("Architecture"), required=False)
container_format = forms.CharField(label=_("Container Format"),
required=False)
disk_format = forms.CharField(label=_("Disk Format"))
def handle(self, request, data):
# TODO add public flag to image meta properties
image_id = data['image_id']
error_updating = _('Unable to update image "%s".')
meta = {'is_public': True,
'disk_format': data['disk_format'],
'container_format': data['container_format'],
'name': data['name'],
'properties': {}}
if data['kernel']:
meta['properties']['kernel_id'] = data['kernel']
if data['ramdisk']:
meta['properties']['ramdisk_id'] = data['ramdisk']
if data['architecture']:
meta['properties']['architecture'] = data['architecture']
try:
api.image_update(request, image_id, meta)
messages.success(request, _('Image was successfully updated.'))
except:
exceptions.handle(request, error_updating % image_id)
return shortcuts.redirect('horizon:nova:images_and_snapshots:index')
class LaunchForm(forms.SelfHandlingForm):
name = forms.CharField(max_length=80, label=_("Server Name"))
image_id = forms.CharField(widget=forms.HiddenInput())
tenant_id = forms.CharField(widget=forms.HiddenInput())
user_data = forms.CharField(widget=forms.Textarea,
label=_("User Data"),
required=False)
flavor = forms.ChoiceField(label=_("Flavor"),
help_text=_("Size of image to launch."))
keypair = forms.ChoiceField(label=_("Keypair"),
required=False,
help_text=_("Which keypair to use for "
"authentication."))
count = forms.CharField(label=_("Instance Count"),
required=True,
initial=1,
widget=forms.TextInput(),
help_text=_("Number of instances to launch."))
security_groups = forms.MultipleChoiceField(
label=_("Security Groups"),
required=True,
initial=["default"],
widget=forms.CheckboxSelectMultiple(),
help_text=_("Launch instance in these "
"security groups."))
volume = forms.ChoiceField(label=_("Volume or Volume Snapshot"),
required=False,
help_text=_("Volume to boot from."))
device_name = forms.CharField(label=_("Device Name"),
required=False,
initial="vda",
help_text=_("Volume mount point (e.g. 'vda' "
"mounts at '/dev/vda')."))
delete_on_terminate = forms.BooleanField(
label=_("Delete on Terminate"),
initial=False,
required=False,
help_text=_("Delete volume on instance termiante"))
def __init__(self, *args, **kwargs):
flavor_list = kwargs.pop('flavor_list')
keypair_list = kwargs.pop('keypair_list')
security_group_list = kwargs.pop('security_group_list')
volume_list = kwargs.pop('volume_list')
super(LaunchForm, self).__init__(*args, **kwargs)
self.fields['flavor'].choices = flavor_list
self.fields['keypair'].choices = keypair_list
self.fields['security_groups'].choices = security_group_list
self.fields['volume'].choices = volume_list
def handle(self, request, data):
try:
if(len(data['volume']) > 0):
if(data['delete_on_terminate']):
delete_on_terminate = 1
else:
delete_on_terminate = 0
dev_mapping = {data['device_name']:
("%s::%s" % (data['volume'], delete_on_terminate))}
else:
dev_mapping = None
api.server_create(request,
data['name'],
data['image_id'],
data['flavor'],
data.get('keypair'),
normalize_newlines(data.get('user_data')),
data.get('security_groups'),
dev_mapping,
instance_count=int(data.get('count')))
messages.success(request,
_('Instance "%s" launched.') % data["name"])
except:
redirect = reverse("horizon:nova:images_and_snapshots:index")
exceptions.handle(request,
_('Unable to launch instance: %(exc)s'),
redirect=redirect)
return shortcuts.redirect('horizon:nova:instances_and_volumes:index')