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