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Fixing some pep8 issues with volumes.
Change-Id: I908c7457e47ba7da3d3df37679298ed98ce097b0
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182 changes: 182 additions & 0 deletions
182
django-openstack/django_openstack/dash/views/volumes.py
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,182 @@ | ||
| # vim: tabstop=4 shiftwidth=4 softtabstop=4 | ||
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| # Copyright 2011 Nebula, Inc. | ||
| # All rights reserved. | ||
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| """ | ||
| Views for managing Nova volumes. | ||
| """ | ||
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| import logging | ||
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| from django import template | ||
| from django.contrib import messages | ||
| from django.contrib.auth.decorators import login_required | ||
| from django.shortcuts import redirect, render_to_response | ||
| from django.utils.translation import ugettext as _ | ||
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| from django_openstack import api | ||
| from django_openstack import forms | ||
| from novaclient import exceptions as novaclient_exceptions | ||
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| LOG = logging.getLogger('django_openstack.dash.views.volumes') | ||
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| 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)") | ||
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| def handle(self, request, data): | ||
| try: | ||
| api.volume_create(request, data['size'], data['name'], | ||
| data['description']) | ||
| message = 'Creating volume "%s"' % data['name'] | ||
| LOG.info(message) | ||
| messages.info(request, message) | ||
| except novaclient_exceptions.ClientException, e: | ||
| LOG.exception("ClientException in CreateVolume") | ||
| messages.error(request, | ||
| _('Error Creating Volume: %s') % e.message) | ||
| return redirect(request.build_absolute_uri()) | ||
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| class DeleteForm(forms.SelfHandlingForm): | ||
| volume_id = forms.CharField(widget=forms.HiddenInput()) | ||
| volume_name = forms.CharField(widget=forms.HiddenInput()) | ||
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| def handle(self, request, data): | ||
| try: | ||
| api.volume_delete(request, data['volume_id']) | ||
| message = 'Deleting volume "%s"' % data['volume_id'] | ||
| LOG.info(message) | ||
| messages.info(request, message) | ||
| except novaclient_exceptions.ClientException, e: | ||
| LOG.exception("ClientException in DeleteVolume") | ||
| messages.error(request, | ||
| _('Error deleting volume: %s') % e.message) | ||
| return redirect(request.build_absolute_uri()) | ||
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| class AttachForm(forms.SelfHandlingForm): | ||
| volume_id = forms.CharField(widget=forms.HiddenInput()) | ||
| device = forms.CharField(label="Device Name", initial="/dev/vdb") | ||
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| def __init__(self, *args, **kwargs): | ||
| super(AttachForm, self).__init__(*args, **kwargs) | ||
| instance_list = kwargs.get('initial', {}).get('instance_list', []) | ||
| self.fields['instance'] = forms.ChoiceField( | ||
| choices=instance_list, | ||
| label="Attach to Instance", | ||
| help_text="Select an instance to attach to.") | ||
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| def handle(self, request, data): | ||
| try: | ||
| api.volume_attach(request, data['volume_id'], data['instance'], | ||
| data['device']) | ||
| message = (_('Attaching volume %s to instance %s at %s') % | ||
| (data['volume_id'], data['instance'], | ||
| data['device'])) | ||
| LOG.info(message) | ||
| messages.info(request, message) | ||
| except novaclient_exceptions.ClientException, e: | ||
| LOG.exception("ClientException in AttachVolume") | ||
| messages.error(request, | ||
| _('Error attaching volume: %s') % e.message) | ||
| return redirect(request.build_absolute_uri()) | ||
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| class DetachForm(forms.SelfHandlingForm): | ||
| volume_id = forms.CharField(widget=forms.HiddenInput()) | ||
| instance_id = forms.CharField(widget=forms.HiddenInput()) | ||
| attachment_id = forms.CharField(widget=forms.HiddenInput()) | ||
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| def handle(self, request, data): | ||
| try: | ||
| api.volume_detach(request, data['instance_id'], | ||
| data['attachment_id']) | ||
| message = (_('Detaching volume %s from instance %s') % | ||
| (data['volume_id'], data['instance_id'])) | ||
| LOG.info(message) | ||
| messages.info(request, message) | ||
| except novaclient_exceptions.ClientException, e: | ||
| LOG.exception("ClientException in DetachVolume") | ||
| messages.error(request, | ||
| _('Error detaching volume: %s') % e.message) | ||
| return redirect(request.build_absolute_uri()) | ||
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| @login_required | ||
| def index(request, tenant_id): | ||
| delete_form, handled = DeleteForm.maybe_handle(request) | ||
| detach_form, handled = DetachForm.maybe_handle(request) | ||
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| if handled: | ||
| return handled | ||
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| try: | ||
| volumes = api.volume_list(request) | ||
| except novaclient_exceptions.ClientException, e: | ||
| volumes = [] | ||
| LOG.exception("ClientException in volume index") | ||
| messages.error(request, _('Error fetching volumes: %s') % e.message) | ||
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| return render_to_response('django_openstack/dash/volumes/index.html', { | ||
| 'volumes': volumes, 'delete_form': delete_form, | ||
| 'detach_form': detach_form | ||
| }, context_instance=template.RequestContext(request)) | ||
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| @login_required | ||
| def detail(request, tenant_id, volume_id): | ||
| try: | ||
| volume = api.volume_get(request, volume_id) | ||
| attachment = volume.attachments[0] | ||
| if attachment: | ||
| instance = api.server_get( | ||
| request, volume.attachments[0]['serverId']) | ||
| else: | ||
| instance = None | ||
| except novaclient_exceptions.ClientException, e: | ||
| LOG.exception("ClientException in volume get") | ||
| messages.error(request, _('Error fetching volume: %s') % e.message) | ||
| return redirect('dash_volumes', tenant_id) | ||
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| return render_to_response('django_openstack/dash/volumes/detail.html', { | ||
| 'volume': volume, | ||
| 'attachment': attachment, | ||
| 'instance': instance | ||
| }, context_instance=template.RequestContext(request)) | ||
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| @login_required | ||
| def create(request, tenant_id): | ||
| create_form, handled = CreateForm.maybe_handle(request) | ||
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| if handled: | ||
| return handled | ||
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| return render_to_response('django_openstack/dash/volumes/create.html', { | ||
| 'create_form': create_form | ||
| }, context_instance=template.RequestContext(request)) | ||
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| @login_required | ||
| def attach(request, tenant_id, volume_id): | ||
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| def instances(): | ||
| insts = api.server_list(request) | ||
| return [(inst.id, '%s (Instance %s)' % (inst.name, inst.id)) | ||
| for inst in insts] | ||
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| attach_form, handled = AttachForm.maybe_handle( | ||
| request, initial={'instance_list': instances()}) | ||
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| if handled: | ||
| return handled | ||
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| return render_to_response('django_openstack/dash/volumes/attach.html', { | ||
| 'attach_form': attach_form, 'volume_id': volume_id | ||
| }, context_instance=template.RequestContext(request)) |
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