# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2013 OpenStack Foundation
# All Rights Reserved.
#
# 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.
from django.core.urlresolvers import reverse
from django.template.defaultfilters import filesizeformat # noqa
from django.utils.translation import ugettext_lazy as _
from django.views.decorators.debug import sensitive_variables # noqa
from horizon import exceptions
from horizon import forms
from horizon import messages
from horizon.utils import validators
from openstack_dashboard import api
from openstack_dashboard.dashboards.project.images import utils
def _image_choice_title(img):
gb = filesizeformat(img.size)
return '%s (%s)' % (img.name or img.id, gb)
[docs]class RebuildInstanceForm(forms.SelfHandlingForm):
instance_id = forms.CharField(widget=forms.HiddenInput())
image = forms.ChoiceField(label=_("Select Image"),
widget=forms.SelectWidget(attrs={'class': 'image-selector'},
data_attrs=('size', 'display-name'),
transform=_image_choice_title))
password = forms.RegexField(label=_("Rebuild Password"),
required=False,
widget=forms.PasswordInput(render_value=False),
regex=validators.password_validator(),
error_messages={'invalid': validators.password_validator_msg()})
confirm_password = forms.CharField(label=_("Confirm Rebuild Password"),
required=False,
widget=forms.PasswordInput(render_value=False))
disk_config = forms.ChoiceField(label=_("Disk Partition"),
required=False)
def __init__(self, request, *args, **kwargs):
super(RebuildInstanceForm, self).__init__(request, *args, **kwargs)
instance_id = kwargs.get('initial', {}).get('instance_id')
self.fields['instance_id'].initial = instance_id
images = utils.get_available_images(request, request.user.tenant_id)
choices = [(image.id, image) for image in images]
if choices:
choices.insert(0, ("", _("Select Image")))
else:
choices.insert(0, ("", _("No images available")))
self.fields['image'].choices = choices
if not api.nova.can_set_server_password():
del self.fields['password']
del self.fields['confirm_password']
# Set our disk_config choices
config_choices = [("AUTO", _("Automatic")), ("MANUAL", _("Manual"))]
self.fields['disk_config'].choices = config_choices
[docs] def clean(self):
cleaned_data = super(RebuildInstanceForm, self).clean()
if 'password' in cleaned_data:
passwd = cleaned_data.get('password')
confirm = cleaned_data.get('confirm_password')
if passwd is not None and confirm is not None:
if passwd != confirm:
raise forms.ValidationError(_("Passwords do not match."))
return cleaned_data
# We have to protect the entire "data" dict because it contains the
# password and confirm_password strings.
@sensitive_variables('data', 'password')
[docs] def handle(self, request, data):
instance = data.get('instance_id')
image = data.get('image')
password = data.get('password') or None
disk_config = data.get('disk_config', None)
try:
api.nova.server_rebuild(request, instance, image, password,
disk_config)
messages.success(request, _('Rebuilding instance %s.') % instance)
except Exception:
redirect = reverse('horizon:project:instances:index')
exceptions.handle(request, _("Unable to rebuild instance."),
redirect=redirect)
return True
[docs]class DecryptPasswordInstanceForm(forms.SelfHandlingForm):
instance_id = forms.CharField(widget=forms.HiddenInput())
_keypair_name_label = _("Key Pair Name")
_keypair_name_help = _("The Key Pair name that "
"was associated with the instance")
_attrs = {'readonly': 'readonly'}
keypair_name = forms.CharField(widget=forms.widgets.TextInput(_attrs),
label=_keypair_name_label,
help_text=_keypair_name_help,
required=False)
_encrypted_pwd_help = _("The instance password encrypted "
"with your public key.")
encrypted_password = forms.CharField(widget=forms.widgets.Textarea(_attrs),
label=_("Encrypted Password"),
help_text=_encrypted_pwd_help,
required=False)
def __init__(self, request, *args, **kwargs):
super(DecryptPasswordInstanceForm, self).__init__(request,
*args,
**kwargs)
instance_id = kwargs.get('initial', {}).get('instance_id')
self.fields['instance_id'].initial = instance_id
keypair_name = kwargs.get('initial', {}).get('keypair_name')
self.fields['keypair_name'].initial = keypair_name
try:
result = api.nova.get_password(request, instance_id)
if not result:
_unavailable = _("Instance Password is not set"
" or is not yet available")
self.fields['encrypted_password'].initial = _unavailable
else:
self.fields['encrypted_password'].initial = result
self.fields['private_key_file'] = forms.FileField(
label=_('Private Key File'),
widget=forms.FileInput(),
required=True)
self.fields['private_key'] = forms.CharField(
widget=forms.widgets.Textarea(),
label=_("OR Copy/Paste your Private Key"),
required=True)
_attrs = {'readonly': 'readonly'}
self.fields['decrypted_password'] = forms.CharField(
widget=forms.widgets.TextInput(_attrs),
label=_("Password"),
required=False)
except Exception:
redirect = reverse('horizon:project:instances:index')
_error = _("Unable to retrieve instance password.")
exceptions.handle(request, _error, redirect=redirect)