sahara-dashboard/sahara_dashboard/content/data_processing/clusters/clusters/tables.py

315 lines
10 KiB
Python

# 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.http import Http404 # noqa
from django.template.loader import render_to_string
from django.utils.translation import gettext_lazy as _
from django.utils.translation import ngettext_lazy
from saharaclient.api import base as api_base
from horizon import messages
from horizon import tables
from horizon.tables import base as tables_base
from horizon.tabs import base as tabs_base
from sahara_dashboard.api import sahara as saharaclient
from sahara_dashboard.content.data_processing \
import tables as sahara_table
from sahara_dashboard.content.data_processing.utils \
import acl as acl_utils
from sahara_dashboard.content.data_processing.utils import helpers
SAHARA_VERIFICATION_DISABLED = saharaclient.SAHARA_VERIFICATION_DISABLED
class ClustersFilterAction(tables.FilterAction):
filter_type = "server"
filter_choices = (('name', _("Name"), True),
('status', _("Status"), True))
class ClusterGuide(tables.LinkAction):
name = "cluster_guide"
verbose_name = _("Cluster Creation Guide")
url = "horizon:project:data_processing.clusters:cluster_guide"
class CreateCluster(tables.LinkAction):
name = "create"
verbose_name = _("Launch Cluster")
url = "horizon:project:data_processing.clusters:create-cluster"
classes = ("ajax-modal",)
icon = "plus"
class ScaleCluster(tables.LinkAction):
name = "scale"
verbose_name = _("Scale Cluster")
url = "horizon:project:data_processing.clusters:scale"
classes = ("ajax-modal", "btn-edit")
def allowed(self, request, cluster=None):
return cluster.status == "Active"
class DeleteCluster(tables.DeleteAction):
@staticmethod
def action_present(count):
return ngettext_lazy(
u"Delete Cluster",
u"Delete Clusters",
count
)
@staticmethod
def action_past(count):
return ngettext_lazy(
u"Deleted Cluster",
u"Deleted Clusters",
count
)
def delete(self, request, obj_id):
saharaclient.cluster_delete(request, obj_id)
class CheckClusterAction(tables.BatchAction):
name = 'check_cluster'
@staticmethod
def action_present(count):
return ngettext_lazy(
u"Start Verification",
u"Start Verifications",
count
)
@staticmethod
def action_past(count):
return ngettext_lazy(
u"Started Verification",
u"Started Verifications",
count
)
def action(self, request, datum_id):
saharaclient.verification_update(request, datum_id, status='START')
class ForceDeleteCluster(tables.DeleteAction):
name = "force_delete"
@staticmethod
def action_present(count):
return ngettext_lazy(
u"Force Delete Cluster",
u"Force Delete Clusters",
count
)
@staticmethod
def action_past(count):
return ngettext_lazy(
u"Force Deleted Cluster",
u"Force Deleted Clusters",
count
)
def delete(self, request, obj_id):
saharaclient.cluster_force_delete(request, obj_id)
class UpdateClusterShares(tables.LinkAction):
name = "update_shares"
verbose_name = _("Update Shares")
url = "horizon:project:data_processing.clusters:update-shares"
classes = ("ajax-modal", "btn-edit")
def allowed(self, request, cluster=None):
return cluster.status == "Active"
class UpdateRow(tables.Row):
ajax = True
def get_data(self, request, instance_id):
try:
return saharaclient.cluster_get(request, instance_id)
except api_base.APIException as e:
if e.error_code == 404:
raise Http404
else:
messages.error(request,
_("Unable to update row"))
def get_instances_count(cluster):
return sum([len(ng["instances"])
for ng in cluster.node_groups])
class RichErrorCell(tables_base.Cell):
@property
def status(self):
# The error cell values becomes quite complex and cannot be handled
# correctly with STATUS_CHOICES. Handling that explicitly.
status = self.datum.status.lower()
health = get_health_status_info(self.datum).lower()
# error status always terminal
if status == "error":
return False
if health == 'checking' or health == 'unknown':
return None
if status == "active":
return True
return None
def get_rich_status_info(cluster):
return {
"status": cluster.status,
"status_description": cluster.status_description
}
def rich_status_filter(status_dict):
if status_dict['status'].lower() not in ['error', 'active']:
return render_to_string("clusters/_in_progress.html", status_dict)
# Render the status "as is" if no description is provided.
if status_dict["status_description"]:
# Error is rendered with a template containing an error description.
return render_to_string("clusters/_rich_status.html", status_dict)
return status_dict["status"]
class ConfigureCluster(tables.LinkAction):
name = "configure"
verbose_name = _("Configure Cluster")
url = "horizon:project:data_processing.clusters:configure-cluster"
classes = ("ajax-modal", "configure-cluster-btn")
icon = "plus"
attrs = {"style": "display: none"}
class MakePublic(acl_utils.MakePublic):
def change_rule_method(self, request, datum_id, **update_kwargs):
saharaclient.cluster_update_acl_rules(
request, datum_id, **update_kwargs)
class MakePrivate(acl_utils.MakePrivate):
def change_rule_method(self, request, datum_id, **update_kwargs):
saharaclient.cluster_update_acl_rules(
request, datum_id, **update_kwargs)
class MakeProtected(acl_utils.MakeProtected):
def change_rule_method(self, request, datum_id, **update_kwargs):
saharaclient.cluster_update_acl_rules(
request, datum_id, **update_kwargs)
class MakeUnProtected(acl_utils.MakeUnProtected):
def change_rule_method(self, request, datum_id, **update_kwargs):
saharaclient.cluster_update_acl_rules(
request, datum_id, **update_kwargs)
def get_health_status_info(cluster):
try:
return cluster.verification['status']
except (AttributeError, KeyError):
return 'UNKNOWN'
def get_health_filter(health):
if health == 'CHECKING':
return render_to_string("clusters/_in_progress.html", {
'status': _("Checking")})
mapper = {'GREEN': 'success', 'YELLOW': 'warning',
'RED': 'danger', 'CHECKING': 'info'}
label = mapper.get(health, 'default')
return render_to_string('clusters/_health_status.html',
{'status': health, 'label': label})
class ClustersTable(sahara_table.SaharaPaginateTabbedTable):
tab_name = 'cluster_tabs%sclusters_tab' % tabs_base.SEPARATOR
class UptimeColumn(tables.Column):
def get_data(self, cluster):
return helpers.Helpers(None).get_duration(cluster.created_at)
name = tables.Column("name",
verbose_name=_("Name"),
link=("horizon:project:data_processing."
"clusters:cluster-details"))
plugin = tables.Column("plugin_name",
verbose_name=_("Plugin"))
if saharaclient.VERSIONS.active == '2':
version_attr = "plugin_version"
else:
version_attr = "hadoop_version"
version = tables.Column(version_attr,
verbose_name=_("Version"))
# Status field need the whole cluster object to build the rich status.
status = tables.Column(get_rich_status_info,
verbose_name=_("Status"),
filters=(rich_status_filter,))
if not SAHARA_VERIFICATION_DISABLED:
health = tables.Column(get_health_status_info,
verbose_name=_("Health"),
filters=(get_health_filter,))
instances_count = tables.Column(get_instances_count,
verbose_name=_("Instances Count"))
uptime = UptimeColumn("uptime",
verbose_name=_("Uptime"))
class Meta(object):
name = "clusters"
verbose_name = _("Clusters")
row_class = UpdateRow
cell_class = RichErrorCell
status_columns = ["status"]
if not SAHARA_VERIFICATION_DISABLED:
status_columns.append("health")
table_actions = (ClusterGuide,
CreateCluster,
ConfigureCluster,
DeleteCluster,
ClustersFilterAction)
if saharaclient.VERSIONS.active == '2':
table_actions = table_actions + (ForceDeleteCluster,)
table_actions_menu = (MakePublic, MakePrivate,
MakeProtected, MakeUnProtected)
if SAHARA_VERIFICATION_DISABLED:
row_actions = (ScaleCluster,
UpdateClusterShares,
DeleteCluster, MakePublic, MakePrivate,
MakeProtected, MakeUnProtected)
else:
row_actions = (ScaleCluster,
UpdateClusterShares,
DeleteCluster, MakePublic, MakePrivate,
MakeProtected, MakeUnProtected,
CheckClusterAction)
if saharaclient.VERSIONS.active == '2':
row_actions = row_actions + (ForceDeleteCluster,)