# Copyright (c) 2014 eBay Software Foundation
# Copyright 2015 HP Software, LLC
# 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.
"""
Views for managing database clusters.
"""
from collections import OrderedDict
import logging
from django.core.urlresolvers import reverse
from django.core.urlresolvers import reverse_lazy
from django.utils.translation import ugettext_lazy as _
from horizon import exceptions
from horizon import forms as horizon_forms
from horizon import tables as horizon_tables
from horizon import tabs as horizon_tabs
from horizon.utils import memoized
from openstack_dashboard.contrib.trove import api
from openstack_dashboard.contrib.trove.content.database_clusters import forms
from openstack_dashboard.contrib.trove.content.database_clusters import tables
from openstack_dashboard.contrib.trove.content.database_clusters import tabs
LOG = logging.getLogger(__name__)
[docs]class IndexView(horizon_tables.DataTableView):
table_class = tables.ClustersTable
template_name = 'project/database_clusters/index.html'
[docs] def has_more_data(self, table):
return self._more
@memoized.memoized_method
[docs] def get_flavors(self):
try:
flavors = api.trove.flavor_list(self.request)
except Exception:
flavors = []
msg = _('Unable to retrieve database size information.')
exceptions.handle(self.request, msg)
return OrderedDict((unicode(flavor.id), flavor) for flavor in flavors)
def _extra_data(self, cluster):
try:
cluster_flavor = cluster.instances[0]["flavor"]["id"]
flavors = self.get_flavors()
flavor = flavors.get(cluster_flavor)
if flavor is not None:
cluster.full_flavor = flavor
except Exception:
# ignore any errors and just return cluster unaltered
pass
return cluster
[docs] def get_data(self):
marker = self.request.GET.get(
tables.ClustersTable._meta.pagination_param)
# Gather our clusters
try:
clusters = api.trove.cluster_list(self.request, marker=marker)
self._more = clusters.next or False
except Exception:
self._more = False
clusters = []
msg = _('Unable to retrieve database clusters.')
exceptions.handle(self.request, msg)
map(self._extra_data, clusters)
return clusters
[docs]class LaunchClusterView(horizon_forms.ModalFormView):
form_class = forms.LaunchForm
template_name = 'project/database_clusters/launch.html'
success_url = reverse_lazy('horizon:project:database_clusters:index')
[docs]class DetailView(horizon_tabs.TabbedTableView):
tab_group_class = tabs.ClusterDetailTabs
template_name = 'project/database_clusters/detail.html'
page_title = _("Cluster Details: {{ cluster.name }}")
[docs] def get_context_data(self, **kwargs):
context = super(DetailView, self).get_context_data(**kwargs)
context["cluster"] = self.get_data()
return context
@memoized.memoized_method
[docs] def get_data(self):
try:
cluster_id = self.kwargs['cluster_id']
cluster = api.trove.cluster_get(self.request, cluster_id)
except Exception:
redirect = reverse('horizon:project:database_clusters:index')
msg = _('Unable to retrieve details '
'for database cluster: %s') % cluster_id
exceptions.handle(self.request, msg, redirect=redirect)
try:
cluster.full_flavor = api.trove.flavor_get(
self.request, cluster.instances[0]["flavor"]["id"])
except Exception:
LOG.error('Unable to retrieve flavor details'
' for database cluster: %s' % cluster_id)
cluster.num_instances = len(cluster.instances)
# Todo(saurabhs) Set mgmt_url to dispaly Mgmt Console URL on
# cluster details page
# for instance in cluster.instances:
# if instance['type'] == "master":
# cluster.mgmt_url = "https://%s:5450/webui" % instance['ip'][0]
return cluster
[docs] def get_tabs(self, request, *args, **kwargs):
cluster = self.get_data()
return self.tab_group_class(request, cluster=cluster, **kwargs)
[docs]class AddShardView(horizon_forms.ModalFormView):
form_class = forms.AddShardForm
template_name = 'project/database_clusters/add_shard.html'
success_url = reverse_lazy('horizon:project:database_clusters:index')
page_title = _("Add Shard")
[docs] def get_context_data(self, **kwargs):
context = super(AddShardView, self).get_context_data(**kwargs)
context["cluster_id"] = self.kwargs['cluster_id']
return context
[docs] def get_object(self, *args, **kwargs):
if not hasattr(self, "_object"):
cluster_id = self.kwargs['cluster_id']
try:
self._object = api.trove.cluster_get(self.request, cluster_id)
# TODO(michayu): assumption that cluster is homogeneous
flavor_id = self._object.instances[0]['flavor']['id']
flavors = self.get_flavors()
if flavor_id in flavors:
self._object.flavor_name = flavors[flavor_id].name
else:
flavor = api.trove.flavor_get(self.request, flavor_id)
self._object.flavor_name = flavor.name
except Exception:
redirect = reverse("horizon:project:database_clusters:index")
msg = _('Unable to retrieve cluster details.')
exceptions.handle(self.request, msg, redirect=redirect)
return self._object
[docs] def get_flavors(self, *args, **kwargs):
if not hasattr(self, "_flavors"):
try:
flavors = api.trove.flavor_list(self.request)
self._flavors = OrderedDict([(str(flavor.id), flavor)
for flavor in flavors])
except Exception:
redirect = reverse("horizon:project:database_clusters:index")
exceptions.handle(
self.request,
_('Unable to retrieve flavors.'), redirect=redirect)
return self._flavors
[docs] def get_initial(self):
initial = super(AddShardView, self).get_initial()
_object = self.get_object()
if _object:
initial.update(
{'cluster_id': self.kwargs['cluster_id'],
'name': getattr(_object, 'name', None)})
return initial
[docs]class ResetPasswordView(horizon_forms.ModalFormView):
form_class = forms.ResetPasswordForm
template_name = 'project/database_clusters/reset_password.html'
success_url = reverse_lazy('horizon:project:database_clusters:index')
page_title = _("Reset Root Password")
@memoized.memoized_method
[docs] def get_object(self, *args, **kwargs):
cluster_id = self.kwargs['cluster_id']
try:
return api.trove.cluster_get(self.request, cluster_id)
except Exception:
msg = _('Unable to retrieve cluster details.')
redirect = reverse('horizon:project:database_clusters:index')
exceptions.handle(self.request, msg, redirect=redirect)
[docs] def get_context_data(self, **kwargs):
context = super(ResetPasswordView, self).get_context_data(**kwargs)
context['cluster_id'] = self.kwargs['cluster_id']
return context
[docs] def get_initial(self):
return {'cluster_id': self.kwargs['cluster_id']}