116 lines
4.4 KiB
Python
116 lines
4.4 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2012 Nebula, Inc.
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# All rights reserved.
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"""
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Views for managing Nova volumes.
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"""
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import logging
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from django import shortcuts
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from django.contrib import messages
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from django.utils.translation import ugettext as _
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from horizon import api
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from horizon import forms
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from horizon import exceptions
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from novaclient import exceptions as novaclient_exceptions
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LOG = logging.getLogger(__name__)
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class CreateForm(forms.SelfHandlingForm):
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name = forms.CharField(max_length="255", label="Volume Name")
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description = forms.CharField(widget=forms.Textarea,
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label=_("Description"), required=False)
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size = forms.IntegerField(min_value=1, label="Size (GB)")
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def handle(self, request, data):
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try:
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api.volume_create(request, data['size'], data['name'],
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data['description'])
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message = 'Creating volume "%s"' % data['name']
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LOG.info(message)
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messages.info(request, message)
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except novaclient_exceptions.ClientException, e:
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LOG.exception("ClientException in CreateVolume")
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messages.error(request,
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_('Error Creating Volume: %s') % e.message)
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return shortcuts.redirect("horizon:nova:instances_and_volumes:index")
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class AttachForm(forms.SelfHandlingForm):
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instance = forms.ChoiceField(label="Attach to Instance",
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help_text=_("Select an instance to "
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"attach to."))
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device = forms.CharField(label="Device Name", initial="/dev/vdc")
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def __init__(self, *args, **kwargs):
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super(AttachForm, self).__init__(*args, **kwargs)
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# populate volume_id
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volume_id = kwargs.get('initial', {}).get('volume_id', [])
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self.fields['volume_id'] = forms.CharField(widget=forms.HiddenInput(),
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initial=volume_id)
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# Populate instance choices
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instance_list = kwargs.get('initial', {}).get('instances', [])
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instances = [('', "Select an instance")]
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for instance in instance_list:
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instances.append((instance.id, '%s (%s)' % (instance.name,
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instance.id)))
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self.fields['instance'].choices = instances
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def handle(self, request, data):
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try:
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api.volume_attach(request,
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data['volume_id'],
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data['instance'],
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data['device'])
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vol_name = api.volume_get(request, data['volume_id']).displayName
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message = (_('Attaching volume %(vol)s to instance \
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%(inst)s at %(dev)s') %
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{"vol": vol_name, "inst": data['instance'],
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"dev": data['device']})
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LOG.info(message)
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messages.info(request, message)
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except novaclient_exceptions.ClientException, e:
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LOG.exception("ClientException in AttachVolume")
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messages.error(request,
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_('Error attaching volume: %s') % e.message)
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return shortcuts.redirect(
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"horizon:nova:instances_and_volumes:index")
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class CreateSnapshotForm(forms.SelfHandlingForm):
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name = forms.CharField(max_length="255", label=_("Snapshot Name"))
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description = forms.CharField(widget=forms.Textarea,
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label=_("Description"), required=False)
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def __init__(self, *args, **kwargs):
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super(CreateSnapshotForm, self).__init__(*args, **kwargs)
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# populate volume_id
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volume_id = kwargs.get('initial', {}).get('volume_id', [])
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self.fields['volume_id'] = forms.CharField(widget=forms.HiddenInput(),
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initial=volume_id)
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def handle(self, request, data):
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try:
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api.volume_snapshot_create(request,
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data['volume_id'],
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data['name'],
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data['description'])
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message = _('Creating volume snapshot "%s"') % data['name']
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LOG.info(message)
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messages.info(request, message)
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except:
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exceptions.handle(request,
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_('Error Creating Volume Snapshot: %(exc)s'))
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return shortcuts.redirect("horizon:nova:images_and_snapshots:index")
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