# 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.
from django.urls import reverse
from django.urls import reverse_lazy
from django.utils.translation import gettext_lazy as _
from senlin_dashboard.api import senlin
from senlin_dashboard.cluster.clusters import forms as clusters_forms
from senlin_dashboard.cluster.clusters.tables import AttachedPoliciesTable
from senlin_dashboard.cluster.clusters.tables import ClustersTable
from senlin_dashboard.cluster.clusters import tabs as clusters_tabs
from horizon import exceptions
from horizon import forms
from horizon import tables
from horizon import tabs
from horizon.utils import memoized
[docs]
class IndexView(tables.DataTableView):
table_class = ClustersTable
template_name = 'cluster/clusters/index.html'
page_title = _("Clusters")
[docs]
def has_prev_data(self, table):
return getattr(self, "_prev", False)
[docs]
def has_more_data(self, table):
return getattr(self, "_more", False)
[docs]
def get_data(self):
filters = self.get_filters()
prev_marker = self.request.GET.get(
ClustersTable._meta.prev_pagination_param, None)
if prev_marker is not None:
marker = prev_marker
else:
marker = self.request.GET.get(
ClustersTable._meta.pagination_param, None)
reversed_order = prev_marker is not None
try:
clusters, self._more, self._prev = senlin.cluster_list(
self.request,
marker=marker,
paginate=True,
reversed_order=reversed_order,
filters=filters)
except Exception:
self._prev = self._more = False
clusters = []
msg = _('Unable to retrieve clusters.')
exceptions.handle(self.request, msg)
return clusters
[docs]
class CreateView(forms.ModalFormView):
template_name = 'cluster/clusters/create.html'
form_class = clusters_forms.CreateForm
submit_url = reverse_lazy("horizon:cluster:clusters:create")
success_url = reverse_lazy(clusters_forms.INDEX_URL)
text = _("Create Cluster")
modal_header = text
submit_label = text
page_title = text
[docs]
class DetailView(tabs.TabView):
tab_group_class = clusters_tabs.ClusterDetailTabs
template_name = 'horizon/common/_detail.html'
page_title = "{{ cluster.name }}"
profile_url = 'horizon:cluster:profiles:detail'
[docs]
@memoized.memoized_method
def get_object(self):
try:
# Get cluster information
cluster_id = self.kwargs["cluster_id"]
cluster = senlin.cluster_get(self.request, cluster_id)
cluster.profile_url = reverse_lazy(self.profile_url,
args=[cluster.profile_id])
except Exception:
msg = _("Unable to retrieve cluster.")
url = reverse_lazy(clusters_forms.INDEX_URL)
exceptions.handle(self.request, msg, redirect=url)
return cluster
[docs]
def get_context_data(self, **kwargs):
context = super(DetailView, self).get_context_data(**kwargs)
table = ClustersTable(self.request)
cluster = self.get_object()
policies = senlin.cluster_policy_list(
self.request, self.kwargs['cluster_id'], {})
cluster.policies = policies
context["actions"] = table.render_row_actions(cluster)
context["cluster"] = cluster
return context
[docs]
def get_tabs(self, request, *args, **kwargs):
cluster = self.get_object()
return self.tab_group_class(request, cluster=cluster, **kwargs)
[docs]
class ManagePoliciesView(tables.DataTableView, forms.ModalFormView):
table_class = AttachedPoliciesTable
form_class = clusters_forms.ManagePoliciesForm
template_name = 'cluster/clusters/manage_policies.html'
submit_url = "horizon:cluster:clusters:manage_policies"
success_url = reverse_lazy("horizon:cluster:clusters:index")
text = _("Manage Policies")
modal_header = text
submit_label = text
page_title = text
[docs]
def get_data(self):
policies = senlin.cluster_policy_list(
self.request, self.kwargs['cluster_id'], {})
return policies
[docs]
def get_context_data(self, **kwargs):
context = super(ManagePoliciesView, self).get_context_data(**kwargs)
args = (self.kwargs['cluster_id'],)
context['submit_url'] = reverse(self.submit_url, args=args)
context['form'] = self.get_form()
return context
[docs]
def get_initial(self):
return {'cluster_id': self.kwargs['cluster_id']}
[docs]
def get(self, request, *args, **kwargs):
# Table action handling
handled = self.construct_tables()
if handled:
return handled
return self.render_to_response(self.get_context_data(**kwargs))
[docs]
def post(self, request, *args, **kwargs):
form = self.get_form()
if form.is_valid():
return self.form_valid(form)
else:
return self.get(request, *args, **kwargs)