class RebuildInstanceForm(forms.SelfHandlingForm): instance_id = forms.CharField(widget=forms.HiddenInput()) image = forms.ChoiceField(label=_("Select Image"), widget=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)) 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.name) for image in images] if choices: choices.insert(0, ("", _("Select Image"))) else: choices.insert(0, ("", _("No images available."))) self.fields['image'].choices = choices 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') def handle(self, request, data): instance = data.get('instance_id') image = data.get('image') password = data.get('password') or None try: api.nova.server_rebuild(request, instance, image, password) 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
class CreateForm(forms.SelfHandlingForm): name = forms.CharField(max_length="255", label=_("Volume Name")) description = forms.CharField(widget=forms.Textarea, label=_("Description"), required=False) size = forms.IntegerField(min_value=1, label=_("Size (GB)")) snapshot_source = forms.ChoiceField(label=_("Use snapshot as a source"), widget=SelectWidget( attrs={'class': 'snapshot-selector'}, data_attrs=('size', 'display_name'), transform=lambda x: ("%s (%sGB)" % (x.display_name, x.size))), required=False) def __init__(self, request, *args, **kwargs): super(CreateForm, self).__init__(request, *args, **kwargs) if ("snapshot_id" in request.GET): try: snapshot = self.get_snapshot(request, request.GET["snapshot_id"]) self.fields['name'].initial = snapshot.display_name self.fields['size'].initial = snapshot.size self.fields['snapshot_source'].choices = ((snapshot.id, snapshot),) self.fields['size'].help_text = _('Volume size must be equal ' 'to or greater than the snapshot size (%sGB)' % snapshot.size) except: exceptions.handle(request, _('Unable to load the specified snapshot.')) else: try: snapshots = api.volume_snapshot_list(request) if snapshots: choices = [('', _("Choose a snapshot"))] + \ [(s.id, s) for s in snapshots] self.fields['snapshot_source'].choices = choices else: del self.fields['snapshot_source'] except: exceptions.handle(request, _("Unable to retrieve " "volume snapshots.")) def handle(self, request, data): try: # FIXME(johnp): Nova (cinderclient) currently returns a useless # error message when the quota is exceeded when trying to create # a volume, so we need to check for that scenario here before we # send it off to Nova to try and create. usages = api.tenant_quota_usages(request) snapshot_id = None if (data.get("snapshot_source", None)): # Create from Snapshot snapshot = self.get_snapshot(request, data["snapshot_source"]) snapshot_id = snapshot.id if (data['size'] < snapshot.size): error_message = _('The volume size cannot be less than ' 'the snapshot size (%sGB)' % snapshot.size) raise ValidationError(error_message) else: if type(data['size']) is str: data['size'] = int(data['size']) if usages['gigabytes']['available'] < data['size']: error_message = _('A volume of %(req)iGB cannot be created as ' 'you only have %(avail)iGB of your quota ' 'available.') params = {'req': data['size'], 'avail': usages['gigabytes']['available']} raise ValidationError(error_message % params) elif usages['volumes']['available'] <= 0: error_message = _('You are already using all of your available' ' volumes.') raise ValidationError(error_message) volume = api.volume_create(request, data['size'], data['name'], data['description'], snapshot_id=snapshot_id) message = 'Creating volume "%s"' % data['name'] messages.info(request, message) return volume except ValidationError, e: return self.api_error(e.messages[0]) except:
class CreateForm(forms.SelfHandlingForm): name = forms.CharField(max_length="255", label=_("Volume Name")) description = forms.CharField(widget=forms.Textarea, label=_("Description"), required=False) type = forms.ChoiceField(label=_("Type"), required=False) size = forms.IntegerField(min_value=1, label=_("Size (GB)")) encryption = forms.ChoiceField(label=_("Encryption"), required=False) volume_source_type = forms.ChoiceField(label=_("Volume Source"), required=False) snapshot_source = forms.ChoiceField( label=_("Use snapshot as a source"), widget=SelectWidget(attrs={'class': 'snapshot-selector'}, data_attrs=('size', 'display_name'), transform=lambda x: ("%s (%sGB)" % (x.display_name, x.size))), required=False) image_source = forms.ChoiceField( label=_("Use image as a source"), widget=SelectWidget(attrs={'class': 'image-selector'}, data_attrs=('size', 'name'), transform=lambda x: ("%s (%s)" % (x.name, filesizeformat(x.bytes)))), required=False) def __init__(self, request, *args, **kwargs): super(CreateForm, self).__init__(request, *args, **kwargs) volume_types = cinder.volume_type_list(request) self.fields['type'].choices = [("", "")] + \ [(type.name, type.name) for type in volume_types] # Hide the volume encryption field if the hypervisor doesn't support it # NOTE: as of Grizzly this is not yet supported in Nova so enabling # this setting will not do anything useful hypervisor_features = getattr(settings, "OPENSTACK_HYPERVISOR_FEATURES", {}) can_encrypt_volumes = hypervisor_features.get("can_encrypt_volumes", False) if can_encrypt_volumes: # TODO(laura-glendenning) get from api call in future encryption_options = {"LUKS": "dmcrypt LUKS"} self.fields['encryption'].choices = [("", "")] + \ [(enc, display) for enc, display in encryption_options.items()] else: self.fields['encryption'].widget = forms.widgets.HiddenInput() self.fields['encryption'].required = False if ("snapshot_id" in request.GET): try: snapshot = self.get_snapshot(request, request.GET["snapshot_id"]) self.fields['name'].initial = snapshot.display_name self.fields['size'].initial = snapshot.size self.fields['snapshot_source'].choices = ((snapshot.id, snapshot), ) try: # Set the volume type from the original volume orig_volume = cinder.volume_get(request, snapshot.volume_id) self.fields['type'].initial = orig_volume.volume_type except Exception: pass self.fields['size'].help_text = _( 'Volume size must be equal ' 'to or greater than the snapshot size (%sGB)' % snapshot.size) del self.fields['image_source'] del self.fields['volume_source_type'] except Exception: exceptions.handle(request, _('Unable to load the specified snapshot.')) elif ('image_id' in request.GET): try: image = self.get_image(request, request.GET["image_id"]) image.bytes = image.size self.fields['name'].initial = image.name self.fields['size'].initial = bytes_to_gigabytes(image.size) self.fields['image_source'].choices = ((image.id, image), ) self.fields['size'].help_text = _( 'Volume size must be equal ' 'to or greater than the image size (%s)' % filesizeformat(image.size)) del self.fields['snapshot_source'] del self.fields['volume_source_type'] except Exception: msg = _('Unable to load the specified image. %s') exceptions.handle(request, msg % request.GET['image_id']) else: source_type_choices = [] try: snapshots = cinder.volume_snapshot_list(request) if snapshots: source_type_choices.append( ("snapshot_source", _("Snapshot"))) choices = [('', _("Choose a snapshot"))] + \ [(s.id, s) for s in snapshots] self.fields['snapshot_source'].choices = choices else: del self.fields['snapshot_source'] except Exception: exceptions.handle(request, _("Unable to retrieve " "volume snapshots.")) images = get_available_images(request, request.user.tenant_id) if images: source_type_choices.append(("image_source", _("Image"))) choices = [('', _("Choose an image"))] for image in images: image.bytes = image.size image.size = bytes_to_gigabytes(image.bytes) choices.append((image.id, image)) self.fields['image_source'].choices = choices else: del self.fields['image_source'] if source_type_choices: choices = ( [('no_source_type', _("No source, empty volume."))] + source_type_choices) self.fields['volume_source_type'].choices = choices else: del self.fields['volume_source_type'] def handle(self, request, data): try: usages = cinder.tenant_absolute_limits(self.request) volumes = cinder.volume_list(self.request) total_size = sum( [getattr(volume, 'size', 0) for volume in volumes]) usages['gigabytesUsed'] = total_size usages['volumesUsed'] = len(volumes) availableGB = usages['maxTotalVolumeGigabytes'] -\ usages['gigabytesUsed'] availableVol = usages['maxTotalVolumes'] - usages['volumesUsed'] snapshot_id = None image_id = None source_type = data.get('volume_source_type', None) if (data.get("snapshot_source", None) and source_type in [None, 'snapshot_source']): # Create from Snapshot snapshot = self.get_snapshot(request, data["snapshot_source"]) snapshot_id = snapshot.id if (data['size'] < snapshot.size): error_message = _('The volume size cannot be less than ' 'the snapshot size (%sGB)' % snapshot.size) raise ValidationError(error_message) elif (data.get("image_source", None) and source_type in [None, 'image_source']): # Create from Snapshot image = self.get_image(request, data["image_source"]) image_id = image.id image_size = bytes_to_gigabytes(image.size) if (data['size'] < image_size): error_message = _('The volume size cannot be less than ' 'the image size (%s)' % filesizeformat(image.size)) raise ValidationError(error_message) else: if type(data['size']) is str: data['size'] = int(data['size']) if availableGB < data['size']: error_message = _('A volume of %(req)iGB cannot be created as ' 'you only have %(avail)iGB of your quota ' 'available.') params = {'req': data['size'], 'avail': availableGB} raise ValidationError(error_message % params) elif availableVol <= 0: error_message = _('You are already using all of your available' ' volumes.') raise ValidationError(error_message) metadata = {} if data['encryption']: metadata['encryption'] = data['encryption'] volume = cinder.volume_create(request, data['size'], data['name'], data['description'], data['type'], snapshot_id=snapshot_id, image_id=image_id, metadata=metadata) message = _('Creating volume "%s"') % data['name'] messages.info(request, message) return volume except ValidationError as e: self.api_error(e.messages[0]) return False except Exception: exceptions.handle(request, ignore=True) self.api_error(_("Unable to create volume.")) return False @memoized def get_snapshot(self, request, id): return cinder.volume_snapshot_get(request, id) @memoized def get_image(self, request, id): return glance.image_get(request, id)
class CreateForm(forms.SelfHandlingForm): name = forms.CharField(max_length="255", label=_("Volume Name")) description = forms.CharField(widget=forms.Textarea, label=_("Description"), required=False) type = forms.ChoiceField(label=_("Type"), required=False) size = forms.IntegerField(min_value=1, label=_("Size (GB)")) encryption = forms.ChoiceField(label=_("Encryption"), required=False) snapshot_source = forms.ChoiceField( label=_("Use snapshot as a source"), widget=SelectWidget(attrs={'class': 'snapshot-selector'}, data_attrs=('size', 'display_name'), transform=lambda x: ("%s (%sGB)" % (x.display_name, x.size))), required=False) def __init__(self, request, *args, **kwargs): super(CreateForm, self).__init__(request, *args, **kwargs) volume_types = cinder.volume_type_list(request) self.fields['type'].choices = [("", "")] + \ [(type.name, type.name) for type in volume_types] # Hide the volume encryption field if the hypervisor doesn't support it # NOTE: as of Grizzly this is not yet supported in Nova so enabling # this setting will not do anything useful hypervisor_features = getattr(settings, "OPENSTACK_HYPERVISOR_FEATURES", {}) can_encrypt_volumes = hypervisor_features.get("can_encrypt_volumes", False) if can_encrypt_volumes: # TODO(laura-glendenning) get from api call in future encryption_options = {"LUKS": "dmcrypt LUKS"} self.fields['encryption'].choices = [("", "")] + \ [(enc, display) for enc, display in encryption_options.items()] else: self.fields['encryption'].widget = forms.widgets.HiddenInput() self.fields['encryption'].required = False if ("snapshot_id" in request.GET): try: snapshot = self.get_snapshot(request, request.GET["snapshot_id"]) self.fields['name'].initial = snapshot.display_name self.fields['size'].initial = snapshot.size self.fields['snapshot_source'].choices = ((snapshot.id, snapshot), ) try: # Set the volume type from the original volume orig_volume = cinder.volume_get(request, snapshot.volume_id) self.fields['type'].initial = orig_volume.volume_type except: pass self.fields['size'].help_text = _( 'Volume size must be equal ' 'to or greater than the snapshot size (%sGB)' % snapshot.size) except: exceptions.handle(request, _('Unable to load the specified snapshot.')) else: try: snapshots = cinder.volume_snapshot_list(request) if snapshots: choices = [('', _("Choose a snapshot"))] + \ [(s.id, s) for s in snapshots] self.fields['snapshot_source'].choices = choices else: del self.fields['snapshot_source'] except: exceptions.handle(request, _("Unable to retrieve " "volume snapshots.")) def handle(self, request, data): try: # FIXME(johnp): cinderclient currently returns a useless # error message when the quota is exceeded when trying to create # a volume, so we need to check for that scenario here before we # send it off to try and create. usages = quotas.tenant_quota_usages(request) snapshot_id = None if (data.get("snapshot_source", None)): # Create from Snapshot snapshot = self.get_snapshot(request, data["snapshot_source"]) snapshot_id = snapshot.id if (data['size'] < snapshot.size): error_message = _('The volume size cannot be less than ' 'the snapshot size (%sGB)' % snapshot.size) raise ValidationError(error_message) else: if type(data['size']) is str: data['size'] = int(data['size']) if usages['gigabytes']['available'] < data['size']: error_message = _('A volume of %(req)iGB cannot be created as ' 'you only have %(avail)iGB of your quota ' 'available.') params = { 'req': data['size'], 'avail': usages['gigabytes']['available'] } raise ValidationError(error_message % params) elif usages['volumes']['available'] <= 0: error_message = _('You are already using all of your available' ' volumes.') raise ValidationError(error_message) metadata = {} if data['encryption']: metadata['encryption'] = data['encryption'] volume = cinder.volume_create(request, data['size'], data['name'], data['description'], data['type'], snapshot_id=snapshot_id, metadata=metadata) message = 'Creating volume "%s"' % data['name'] messages.info(request, message) return volume except ValidationError, e: self.api_error(e.messages[0]) return False except: