Source code for openstack_dashboard.contrib.sahara.content.data_processing.cluster_templates.views
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
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#
# http://www.apache.org/licenses/LICENSE-2.0
#
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# distributed under the License is distributed on an "AS IS" BASIS,
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import logging
from django.core.urlresolvers import reverse_lazy
from django.utils.translation import ugettext_lazy as _
from horizon import exceptions
from horizon import forms
from horizon import tables
from horizon import tabs
from horizon.utils import memoized
from horizon.utils.urlresolvers import reverse # noqa
from horizon import workflows
from openstack_dashboard.contrib.sahara.api import sahara as saharaclient
from openstack_dashboard.contrib.sahara.content.data_processing. \
cluster_templates import forms as cluster_forms
import openstack_dashboard.contrib.sahara.content.data_processing. \
cluster_templates.tables as ct_tables
import openstack_dashboard.contrib.sahara.content.data_processing. \
cluster_templates.tabs as _tabs
import openstack_dashboard.contrib.sahara.content.data_processing. \
cluster_templates.workflows.copy as copy_flow
import openstack_dashboard.contrib.sahara.content.data_processing. \
cluster_templates.workflows.create as create_flow
import openstack_dashboard.contrib.sahara.content.data_processing. \
cluster_templates.workflows.edit as edit_flow
LOG = logging.getLogger(__name__)
[docs]class ClusterTemplatesView(tables.DataTableView):
table_class = ct_tables.ClusterTemplatesTable
template_name = (
'project/data_processing.cluster_templates/cluster_templates.html')
page_title = _("Cluster Templates")
[docs] def get_data(self):
try:
search_opts = {}
filter = self.get_server_filter_info(self.request)
if filter['value'] and filter['field']:
search_opts = {filter['field']: filter['value']}
cluster_templates = saharaclient.cluster_template_list(
self.request, search_opts)
except Exception:
cluster_templates = []
exceptions.handle(self.request,
_("Unable to fetch cluster template list"))
return cluster_templates
[docs]class ClusterTemplateDetailsView(tabs.TabView):
tab_group_class = _tabs.ClusterTemplateDetailsTabs
template_name = 'project/data_processing.cluster_templates/details.html'
page_title = _("Cluster Template Details")
@memoized.memoized_method
[docs] def get_object(self):
ct_id = self.kwargs["template_id"]
try:
return saharaclient.cluster_template_get(self.request, ct_id)
except Exception:
msg = _('Unable to retrieve details for '
'cluster template "%s".') % ct_id
redirect = reverse("horizon:project:data_processing."
"cluster_templates:cluster-templates")
exceptions.handle(self.request, msg, redirect=redirect)
[docs] def get_context_data(self, **kwargs):
context = super(ClusterTemplateDetailsView, self)\
.get_context_data(**kwargs)
context['template'] = self.get_object()
return context
[docs]class UploadFileView(forms.ModalFormView):
form_class = cluster_forms.UploadFileForm
template_name = (
'project/data_processing.cluster_templates/upload_file.html')
success_url = reverse_lazy(
'horizon:project:data_processing.cluster_templates:index')
page_title = _("Upload Template")
[docs]class CreateClusterTemplateView(workflows.WorkflowView):
workflow_class = create_flow.CreateClusterTemplate
success_url = ("horizon:project:data_processing.cluster_templates"
":create-cluster-template")
classes = ("ajax-modal",)
template_name = "project/data_processing.cluster_templates/create.html"
page_title = _("Create Cluster Template")
[docs]class CopyClusterTemplateView(workflows.WorkflowView):
workflow_class = copy_flow.CopyClusterTemplate
success_url = "horizon:project:data_processing.cluster_templates"
template_name = "project/data_processing.cluster_templates/configure.html"
page_title = _("Copy Cluster Template")
[docs] def get_context_data(self, **kwargs):
context = super(CopyClusterTemplateView, self)\
.get_context_data(**kwargs)
context["template_id"] = kwargs["template_id"]
return context
[docs] def get_object(self, *args, **kwargs):
if not hasattr(self, "_object"):
template_id = self.kwargs['template_id']
try:
template = saharaclient.cluster_template_get(self.request,
template_id)
except Exception:
template = {}
exceptions.handle(self.request,
_("Unable to fetch cluster template."))
self._object = template
return self._object
[docs] def get_initial(self):
initial = super(CopyClusterTemplateView, self).get_initial()
initial['template_id'] = self.kwargs['template_id']
return initial
[docs]class EditClusterTemplateView(CopyClusterTemplateView):
workflow_class = edit_flow.EditClusterTemplate
success_url = "horizon:project:data_processing.cluster_templates"
template_name = "project/data_processing.cluster_templates/configure.html"