19d6a0fcea
These codes are not useful. Change-Id: Id2ce428fef37794dba4772aedaed6a53ac10b934 Closes-bug: #1529541
173 lines
5.2 KiB
Python
173 lines
5.2 KiB
Python
# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from django.http import Http404 # noqa
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from django.template.loader import render_to_string
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from django.utils.translation import ugettext_lazy as _
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from django.utils.translation import ungettext_lazy
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from horizon import messages
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from horizon import tables
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from horizon.tables import base as tables_base
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from sahara_dashboard.api import sahara as saharaclient
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from saharaclient.api import base as api_base
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class ClustersFilterAction(tables.FilterAction):
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filter_type = "server"
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filter_choices = (('name', _("Name"), True),
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('status', _("Status"), True))
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class ClusterGuide(tables.LinkAction):
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name = "cluster_guide"
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verbose_name = _("Cluster Creation Guide")
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url = "horizon:project:data_processing.wizard:cluster_guide"
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class CreateCluster(tables.LinkAction):
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name = "create"
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verbose_name = _("Launch Cluster")
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url = "horizon:project:data_processing.clusters:create-cluster"
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classes = ("ajax-modal",)
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icon = "plus"
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class ScaleCluster(tables.LinkAction):
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name = "scale"
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verbose_name = _("Scale Cluster")
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url = "horizon:project:data_processing.clusters:scale"
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classes = ("ajax-modal", "btn-edit")
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def allowed(self, request, cluster=None):
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return cluster.status == "Active"
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class DeleteCluster(tables.DeleteAction):
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@staticmethod
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def action_present(count):
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return ungettext_lazy(
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u"Delete Cluster",
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u"Delete Clusters",
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count
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)
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@staticmethod
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def action_past(count):
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return ungettext_lazy(
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u"Deleted Cluster",
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u"Deleted Clusters",
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count
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)
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def delete(self, request, obj_id):
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saharaclient.cluster_delete(request, obj_id)
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class UpdateRow(tables.Row):
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ajax = True
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def get_data(self, request, instance_id):
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try:
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return saharaclient.cluster_get(request, instance_id)
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except api_base.APIException as e:
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if e.error_code == 404:
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raise Http404
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else:
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messages.error(request,
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_("Unable to update row"))
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def get_instances_count(cluster):
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return sum([len(ng["instances"])
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for ng in cluster.node_groups])
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class RichErrorCell(tables_base.Cell):
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@property
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def status(self):
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# The error cell values becomes quite complex and cannot be handled
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# correctly with STATUS_CHOICES. Handling that explicitly.
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status = self.datum.status.lower()
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if status == "error":
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return False
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elif status == "active":
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return True
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return None
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def get_rich_status_info(cluster):
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return {
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"status": cluster.status,
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"status_description": cluster.status_description
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}
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def rich_status_filter(status_dict):
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# Render the status "as is" if no description is provided.
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if not status_dict["status_description"]:
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return status_dict["status"]
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# Error is rendered with a template containing an error description.
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return render_to_string(
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"project/data_processing.clusters/_rich_status.html", status_dict)
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class ConfigureCluster(tables.LinkAction):
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name = "configure"
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verbose_name = _("Configure Cluster")
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url = "horizon:project:data_processing.clusters:configure-cluster"
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classes = ("ajax-modal", "configure-cluster-btn")
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icon = "plus"
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attrs = {"style": "display: none"}
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class ClustersTable(tables.DataTable):
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name = tables.Column("name",
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verbose_name=_("Name"),
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link=("horizon:project:data_processing."
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"clusters:details"))
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plugin = tables.Column("plugin_name",
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verbose_name=_("Plugin"))
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version = tables.Column("hadoop_version",
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verbose_name=_("Version"))
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# Status field need the whole cluster object to build the rich status.
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status = tables.Column(get_rich_status_info,
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verbose_name=_("Status"),
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status=True,
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filters=(rich_status_filter,))
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instances_count = tables.Column(get_instances_count,
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verbose_name=_("Instances Count"))
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class Meta(object):
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name = "clusters"
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verbose_name = _("Clusters")
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row_class = UpdateRow
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cell_class = RichErrorCell
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status_columns = ["status"]
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table_actions = (ClusterGuide,
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CreateCluster,
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ConfigureCluster,
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DeleteCluster,
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ClustersFilterAction)
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row_actions = (ScaleCluster,
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DeleteCluster,)
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