horizon/openstack_dashboard/dashboards/project/instances/forms.py
Akihiro Motoki cd7c1b5110 Address RemovedInDjango40Warning (2)
django.utils.translation.ugettext(), ugettext_lazy(), ugettext_noop(),
ungettext(), and ungettext_lazy() are deprecated in favor of the
functions that they’re aliases for: django.utils.translation.gettext(),
gettext_lazy(), gettext_noop(), ngettext(), and ngettext_lazy().

https://docs.djangoproject.com/en/4.0/releases/3.0/#id3

Change-Id: I77878f84e9d10cf6a136dada81eabf4e18676250
2022-02-04 16:22:07 +09:00

503 lines
21 KiB
Python

# 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.template.defaultfilters import filesizeformat
from django.urls import reverse
from django.urls import reverse_lazy
from django.utils.translation import gettext_lazy as _
from django.views.decorators.debug import sensitive_variables
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 as image_utils
from openstack_dashboard.dashboards.project.instances \
import utils as instance_utils
def _image_choice_title(img):
gb = filesizeformat(img.size)
return '%s (%s)' % (img.name or img.id, gb)
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,
strip=False,
widget=forms.PasswordInput(render_value=False))
disk_config = forms.ChoiceField(
label=_("Disk Partition"),
choices=[("AUTO", _("Automatic")),
("MANUAL", _("Manual"))],
required=False)
description = forms.CharField(
label=_("Description"),
widget=forms.Textarea(attrs={'rows': 4}),
max_length=255,
required=False
)
def __init__(self, request, *args, **kwargs):
super().__init__(request, *args, **kwargs)
if not api.nova.is_feature_available(request, "instance_description"):
del self.fields['description']
instance_id = kwargs.get('initial', {}).get('instance_id')
self.fields['instance_id'].initial = instance_id
images = image_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']
def clean(self):
cleaned_data = super().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')
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)
description = data.get('description', None)
try:
api.nova.server_rebuild(request, instance, image, password,
disk_config, description=description)
messages.info(request, _('Rebuilding instance %s.') % instance)
except Exception:
redirect = reverse('horizon:project:instances:index')
exceptions.handle(request, _("Unable to rebuild instance."),
redirect=redirect)
return True
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', 'rows': 4}
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,
strip=False,
required=False)
def __init__(self, request, *args, **kwargs):
super().__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())
self.fields['private_key'] = forms.CharField(
widget=forms.widgets.Textarea(),
label=_("OR Copy/Paste your Private Key"))
_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)
def handle(self, request, data):
return True
class AttachVolume(forms.SelfHandlingForm):
volume = forms.ChoiceField(label=_("Volume ID"),
widget=forms.ThemableSelectWidget(),
help_text=_("Select a volume to attach "
"to this instance."))
device = forms.CharField(label=_("Device Name"),
widget=forms.HiddenInput(),
required=False,
help_text=_("Actual device name may differ due "
"to hypervisor settings. If not "
"specified, then hypervisor will "
"select a device name."))
instance_id = forms.CharField(widget=forms.HiddenInput())
def __init__(self, request, *args, **kwargs):
super().__init__(request, *args, **kwargs)
# Populate volume choices
volume_list = kwargs.get('initial', {}).get("volume_list", [])
volumes = []
for volume in volume_list:
# Only show volumes that aren't attached to an instance already
# Or those with multiattach enabled
if (not volume.attachments or
(getattr(volume, 'multiattach', False)) and
api.nova.get_microversion(request, 'multiattach')):
volumes.append(
(volume.id, '%(name)s (%(id)s)'
% {"name": volume.name, "id": volume.id}))
if volumes:
volumes.insert(0, ("", _("Select a volume")))
else:
volumes.insert(0, ("", _("No volumes available")))
self.fields['volume'].choices = volumes
def handle(self, request, data):
instance_id = self.initial.get("instance_id", None)
volume_choices = dict(self.fields['volume'].choices)
volume = volume_choices.get(data['volume'],
_("Unknown volume (None)"))
volume_id = data.get('volume')
device = data.get('device') or None
try:
attach = api.nova.instance_volume_attach(request,
volume_id,
instance_id,
device)
message = _('Attaching volume %(vol)s to instance '
'%(inst)s on %(dev)s.') % {"vol": volume,
"inst": instance_id,
"dev": attach.device}
messages.info(request, message)
except Exception:
redirect = reverse('horizon:project:instances:index')
msg = _('Unable to attach volume.')
exceptions.handle(request, msg, redirect=redirect)
return True
class DetachVolume(forms.SelfHandlingForm):
volume = forms.ChoiceField(label=_("Volume ID"),
widget=forms.ThemableSelectWidget(),
help_text=_("Select a volume to detach "
"from this instance."))
instance_id = forms.CharField(widget=forms.HiddenInput())
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
# Populate instance id
instance_id = kwargs.get('initial', {}).get("instance_id", None)
# Populate attached volumes
try:
volumes = []
volume_list = api.nova.instance_volumes_list(self.request,
instance_id)
for volume in volume_list:
volumes.append((volume.id, '%s (%s)' % (volume.name,
volume.id)))
if volume_list:
volumes.insert(0, ("", _("Select a volume")))
else:
volumes.insert(0, ("", _("No volumes attached")))
self.fields['volume'].choices = volumes
except Exception:
redirect = reverse('horizon:project:instances:index')
exceptions.handle(self.request, _("Unable to detach volume."),
redirect=redirect)
def handle(self, request, data):
instance_id = self.initial.get("instance_id", None)
volume_choices = dict(self.fields['volume'].choices)
volume = volume_choices.get(data['volume'],
_("Unknown volume (None)"))
volume_id = data.get('volume')
try:
api.nova.instance_volume_detach(request,
instance_id,
volume_id)
message = _('Detaching volume %(vol)s from instance '
'%(inst)s.') % {"vol": volume,
"inst": instance_id}
messages.info(request, message)
except Exception:
redirect = reverse('horizon:project:instances:index')
exceptions.handle(
request, _("Unable to detach volume."),
redirect=redirect)
return True
class AttachInterface(forms.SelfHandlingForm):
instance_id = forms.CharField(widget=forms.HiddenInput())
specification_method = forms.ThemableChoiceField(
label=_("The way to specify an interface"),
initial=False,
widget=forms.ThemableSelectWidget(attrs={
'class': 'switchable',
'data-slug': 'specification_method',
}))
port = forms.ThemableChoiceField(
label=_("Port"),
required=False,
widget=forms.ThemableSelectWidget(attrs={
'class': 'switched',
'data-required-when-shown': 'true',
'data-switch-on': 'specification_method',
'data-specification_method-port': _('Port'),
}))
network = forms.ThemableChoiceField(
label=_("Network"),
required=False,
widget=forms.ThemableSelectWidget(attrs={
'class': 'switched',
'data-required-when-shown': 'true',
'data-switch-on': 'specification_method',
'data-specification_method-network': _('Network'),
}))
fixed_ip = forms.IPField(
label=_("Fixed IP Address"),
required=False,
help_text=_("IP address for the new port"),
version=forms.IPv4 | forms.IPv6,
widget=forms.TextInput(attrs={
'class': 'switched',
'data-switch-on': 'specification_method',
'data-specification_method-network': _('Fixed IP Address'),
}))
def __init__(self, request, *args, **kwargs):
super().__init__(request, *args, **kwargs)
networks = instance_utils.network_field_data(request,
include_empty_option=True,
with_cidr=True)
self.fields['network'].choices = networks
choices = [('network', _("by Network (and IP address)"))]
ports = instance_utils.port_field_data(request, with_network=True)
if ports:
self.fields['port'].choices = ports
choices.append(('port', _("by Port")))
self.fields['specification_method'].choices = choices
def clean_network(self):
specification_method = self.cleaned_data.get('specification_method')
network = self.cleaned_data.get('network')
if specification_method == 'network' and not network:
msg = _('This field is required.')
self._errors['network'] = self.error_class([msg])
return network
def handle(self, request, data):
instance_id = data['instance_id']
try:
net_id = port_id = fixed_ip = None
if data['specification_method'] == 'port':
port_id = data.get('port')
else:
net_id = data.get('network')
if data.get('fixed_ip'):
fixed_ip = data.get('fixed_ip')
api.nova.interface_attach(request,
instance_id,
net_id=net_id,
fixed_ip=fixed_ip,
port_id=port_id)
msg = _('Attaching interface for instance %s.') % instance_id
messages.success(request, msg)
except Exception:
redirect = reverse('horizon:project:instances:index')
exceptions.handle(request, _("Unable to attach interface."),
redirect=redirect)
return True
class DetachInterface(forms.SelfHandlingForm):
instance_id = forms.CharField(widget=forms.HiddenInput())
port = forms.ThemableChoiceField(label=_("Port"))
def __init__(self, request, *args, **kwargs):
super().__init__(request, *args, **kwargs)
instance_id = self.initial.get("instance_id", None)
ports = []
try:
ports = api.neutron.port_list(request, device_id=instance_id)
except Exception:
exceptions.handle(request, _('Unable to retrieve ports '
'information.'))
choices = []
for port in ports:
ips = []
for ip in port.fixed_ips:
ips.append(ip['ip_address'])
choices.append((port.id, ','.join(ips) or port.id))
if choices:
choices.insert(0, ("", _("Select Port")))
else:
choices.insert(0, ("", _("No Ports available")))
self.fields['port'].choices = choices
def handle(self, request, data):
instance_id = data['instance_id']
port = data.get('port')
try:
api.nova.interface_detach(request, instance_id, port)
msg = _('Detached interface %(port)s for instance '
'%(instance)s.') % {'port': port, 'instance': instance_id}
messages.success(request, msg)
except Exception:
redirect = reverse('horizon:project:instances:index')
exceptions.handle(request, _("Unable to detach interface."),
redirect=redirect)
return True
class Disassociate(forms.SelfHandlingForm):
fip = forms.ThemableChoiceField(label=_('Floating IP'))
is_release = forms.BooleanField(label=_('Release Floating IP'),
required=False)
def __init__(self, request, *args, **kwargs):
super().__init__(request, *args, **kwargs)
instance_id = self.initial['instance_id']
targets = api.neutron.floating_ip_target_list_by_instance(
request, instance_id)
target_ids = [t.port_id for t in targets]
self.fips = [fip for fip
in api.neutron.tenant_floating_ip_list(request)
if fip.port_id in target_ids]
fip_choices = [(fip.id, fip.ip) for fip in self.fips]
fip_choices.insert(0, ('', _('Select a floating IP to disassociate')))
self.fields['fip'].choices = fip_choices
self.fields['fip'].initial = self.fips[0].id
def handle(self, request, data):
redirect = reverse_lazy('horizon:project:instances:index')
fip_id = data['fip']
fips = [fip for fip in self.fips if fip.id == fip_id]
if not fips:
messages.error(request,
_("The specified floating IP no longer exists."))
raise exceptions.Http302(redirect)
fip = fips[0]
try:
if data['is_release']:
api.neutron.tenant_floating_ip_release(request, fip_id)
messages.success(
request,
_("Successfully disassociated and released "
"floating IP %s") % fip.ip)
else:
api.neutron.floating_ip_disassociate(request, fip_id)
messages.success(
request,
_("Successfully disassociated floating IP %s") % fip.ip)
except Exception:
exceptions.handle(
request,
_('Unable to disassociate floating IP %s') % fip.ip,
redirect=redirect)
return True
class RescueInstanceForm(forms.SelfHandlingForm):
image = forms.ChoiceField(
label=_("Select Image"),
widget=forms.ThemableSelectWidget(
attrs={'class': 'image-selector'},
data_attrs=('size', 'display-name'),
transform=_image_choice_title))
password = forms.CharField(label=_("Password"), max_length=255,
required=False,
strip=False,
widget=forms.PasswordInput(render_value=False))
failure_url = 'horizon:project:instances:index'
def __init__(self, request, *args, **kwargs):
super().__init__(request, *args, **kwargs)
images = image_utils.get_available_images(request,
request.user.tenant_id)
choices = [(image.id, image) for image in images]
if not choices:
choices.insert(0, ("", _("No images available")))
self.fields['image'].choices = choices
def handle(self, request, data):
try:
api.nova.server_rescue(request, self.initial["instance_id"],
password=data["password"],
image=data["image"])
messages.success(request,
_('Successfully rescued instance'))
return True
except Exception:
redirect = reverse(self.failure_url)
exceptions.handle(request,
_('Unable to rescue instance'),
redirect=redirect)