225 lines
8.3 KiB
Python
225 lines
8.3 KiB
Python
# Copyright 2013 Rackspace Hosting
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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"""
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Views for managing database instances.
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"""
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from collections import OrderedDict
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import logging
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from django.core.urlresolvers import reverse
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from django.core.urlresolvers import reverse_lazy
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from django.utils.translation import ugettext_lazy as _
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import six
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from horizon import exceptions
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from horizon import forms as horizon_forms
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from horizon import tables as horizon_tables
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from horizon import tabs as horizon_tabs
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from horizon.utils import memoized
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from horizon import workflows as horizon_workflows
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from openstack_dashboard.contrib.trove import api
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from openstack_dashboard.contrib.trove.content.databases import forms
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from openstack_dashboard.contrib.trove.content.databases import tables
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from openstack_dashboard.contrib.trove.content.databases import tabs
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from openstack_dashboard.contrib.trove.content.databases import workflows
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from openstack_dashboard.dashboards.project.instances \
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import utils as instance_utils
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LOG = logging.getLogger(__name__)
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class IndexView(horizon_tables.DataTableView):
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table_class = tables.InstancesTable
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template_name = 'project/databases/index.html'
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page_title = _("Instances")
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def has_more_data(self, table):
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return self._more
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@memoized.memoized_method
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def get_flavors(self):
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try:
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flavors = api.trove.flavor_list(self.request)
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except Exception:
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flavors = []
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msg = _('Unable to retrieve database size information.')
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exceptions.handle(self.request, msg)
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return OrderedDict((six.text_type(flavor.id), flavor)
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for flavor in flavors)
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def _extra_data(self, instance):
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flavor = self.get_flavors().get(instance.flavor["id"])
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if flavor is not None:
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instance.full_flavor = flavor
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instance.host = tables.get_host(instance)
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return instance
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def get_data(self):
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marker = self.request.GET.get(
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tables.InstancesTable._meta.pagination_param)
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# Gather our instances
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try:
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instances = api.trove.instance_list(self.request, marker=marker)
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self._more = instances.next or False
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except Exception:
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self._more = False
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instances = []
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msg = _('Unable to retrieve database instances.')
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exceptions.handle(self.request, msg)
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map(self._extra_data, instances)
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return instances
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class LaunchInstanceView(horizon_workflows.WorkflowView):
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workflow_class = workflows.LaunchInstance
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template_name = "project/databases/launch.html"
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page_title = _("Launch Database")
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def get_initial(self):
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initial = super(LaunchInstanceView, self).get_initial()
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initial['project_id'] = self.request.user.project_id
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initial['user_id'] = self.request.user.id
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return initial
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class DetailView(horizon_tabs.TabbedTableView):
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tab_group_class = tabs.InstanceDetailTabs
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template_name = 'horizon/common/_detail.html'
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page_title = "{{ instance.name }}"
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def get_context_data(self, **kwargs):
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context = super(DetailView, self).get_context_data(**kwargs)
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instance = self.get_data()
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table = tables.InstancesTable(self.request)
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context["instance"] = instance
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context["url"] = self.get_redirect_url()
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context["actions"] = table.render_row_actions(instance)
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return context
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@memoized.memoized_method
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def get_data(self):
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try:
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LOG.info("Obtaining instance for detailed view ")
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instance_id = self.kwargs['instance_id']
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instance = api.trove.instance_get(self.request, instance_id)
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instance.host = tables.get_host(instance)
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except Exception:
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msg = _('Unable to retrieve details '
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'for database instance: %s') % instance_id
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exceptions.handle(self.request, msg,
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redirect=self.get_redirect_url())
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try:
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instance.full_flavor = api.trove.flavor_get(
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self.request, instance.flavor["id"])
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except Exception:
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LOG.error('Unable to retrieve flavor details'
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' for database instance: %s' % instance_id)
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return instance
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def get_tabs(self, request, *args, **kwargs):
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instance = self.get_data()
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return self.tab_group_class(request, instance=instance, **kwargs)
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@staticmethod
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def get_redirect_url():
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return reverse('horizon:project:databases:index')
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class ResizeVolumeView(horizon_forms.ModalFormView):
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form_class = forms.ResizeVolumeForm
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template_name = 'project/databases/resize_volume.html'
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success_url = reverse_lazy('horizon:project:databases:index')
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page_title = _("Resize Database Volume")
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@memoized.memoized_method
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def get_object(self, *args, **kwargs):
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instance_id = self.kwargs['instance_id']
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try:
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return api.trove.instance_get(self.request, instance_id)
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except Exception:
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msg = _('Unable to retrieve instance details.')
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redirect = reverse('horizon:project:databases:index')
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exceptions.handle(self.request, msg, redirect=redirect)
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def get_context_data(self, **kwargs):
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context = super(ResizeVolumeView, self).get_context_data(**kwargs)
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context['instance_id'] = self.kwargs['instance_id']
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return context
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def get_initial(self):
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instance = self.get_object()
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return {'instance_id': self.kwargs['instance_id'],
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'orig_size': instance.volume.get('size', 0)}
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class ResizeInstanceView(horizon_forms.ModalFormView):
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form_class = forms.ResizeInstanceForm
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template_name = 'project/databases/resize_instance.html'
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success_url = reverse_lazy('horizon:project:databases:index')
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page_title = _("Resize Database Instance")
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@memoized.memoized_method
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def get_object(self, *args, **kwargs):
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instance_id = self.kwargs['instance_id']
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try:
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instance = api.trove.instance_get(self.request, instance_id)
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flavor_id = instance.flavor['id']
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flavors = {}
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for i, j in self.get_flavors():
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flavors[str(i)] = j
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if flavor_id in flavors:
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instance.flavor_name = flavors[flavor_id]
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else:
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flavor = api.trove.flavor_get(self.request, flavor_id)
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instance.flavor_name = flavor.name
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return instance
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except Exception:
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redirect = reverse('horizon:project:databases:index')
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msg = _('Unable to retrieve instance details.')
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exceptions.handle(self.request, msg, redirect=redirect)
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def get_context_data(self, **kwargs):
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context = super(ResizeInstanceView, self).get_context_data(**kwargs)
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context['instance_id'] = self.kwargs['instance_id']
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return context
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@memoized.memoized_method
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def get_flavors(self, *args, **kwargs):
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try:
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flavors = api.trove.flavor_list(self.request)
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return instance_utils.sort_flavor_list(self.request, flavors)
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except Exception:
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redirect = reverse("horizon:project:databases:index")
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exceptions.handle(self.request,
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_('Unable to retrieve flavors.'),
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redirect=redirect)
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def get_initial(self):
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initial = super(ResizeInstanceView, self).get_initial()
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obj = self.get_object()
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if obj:
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initial.update({'instance_id': self.kwargs['instance_id'],
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'old_flavor_id': obj.flavor['id'],
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'old_flavor_name': getattr(obj,
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'flavor_name', ''),
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'flavors': self.get_flavors()})
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return initial
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