302 lines
11 KiB
Python
302 lines
11 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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import json
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from django.core.urlresolvers import reverse
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from django.http import HttpResponse
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from django.utils.translation import ugettext as _
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from django.views.generic import base as django_base
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from oslo_utils import timeutils
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from saharaclient.api.base import APIException
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from horizon import exceptions
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from horizon import tables
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from horizon import tabs
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from horizon.utils import memoized
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from horizon import workflows
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from sahara_dashboard.api import sahara as saharaclient
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import sahara_dashboard.content.data_processing.clusters.clusters. \
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tables as c_tables
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import sahara_dashboard.content.data_processing.clusters.clusters. \
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tabs as _tabs
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import sahara_dashboard.content.data_processing.clusters.clusters. \
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workflows.create as create_flow
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import sahara_dashboard.content.data_processing.clusters.clusters. \
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workflows.scale as scale_flow
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import sahara_dashboard.content.data_processing.clusters.clusters. \
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workflows.update as update_flow
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import sahara_dashboard.content.data_processing.utils.helpers as helpers
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class ClustersView(tables.DataTableView):
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table_class = c_tables.ClustersTable
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template_name = 'clusters/clusters.html'
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page_title = _("Clusters")
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def get_data(self):
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try:
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search_opts = {}
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filter = self.get_server_filter_info(self.request)
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if filter['value'] and filter['field']:
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search_opts = {filter['field']: filter['value']}
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clusters = saharaclient.cluster_list(self.request, search_opts)
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except Exception:
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clusters = []
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exceptions.handle(self.request,
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_("Unable to fetch cluster list"))
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return clusters
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class ClusterDetailsView(tabs.TabView):
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tab_group_class = _tabs.ClusterDetailsTabs
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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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@memoized.memoized_method
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def get_object(self):
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cl_id = self.kwargs["cluster_id"]
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try:
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return saharaclient.cluster_get(self.request, cl_id)
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except Exception:
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msg = _('Unable to retrieve details for cluster "%s".') % cl_id
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redirect = self.get_redirect_url()
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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(ClusterDetailsView, self).get_context_data(**kwargs)
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cluster = self.get_object()
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context['cluster'] = cluster
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context['url'] = self.get_redirect_url()
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context['actions'] = self._get_actions(cluster)
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return context
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def _get_actions(self, cluster):
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table = c_tables.ClustersTable(self.request)
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return table.render_row_actions(cluster)
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@staticmethod
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def get_redirect_url():
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return reverse("horizon:project:data_processing.clusters:clusters-tab")
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class ClusterEventsView(django_base.View):
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@staticmethod
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def _created_at_key(obj):
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return timeutils.parse_isotime(obj["created_at"])
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def get(self, request, *args, **kwargs):
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cluster_id = kwargs.get("cluster_id")
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time_helpers = helpers.Helpers(request)
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try:
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cluster = saharaclient.cluster_get(request, cluster_id,
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show_progress=True)
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node_group_mapping = {}
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for node_group in cluster.node_groups:
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node_group_mapping[node_group["id"]] = node_group["name"]
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provision_steps = cluster.provision_progress
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# Sort by create time
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provision_steps = sorted(provision_steps,
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key=ClusterEventsView._created_at_key,
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reverse=True)
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for step in provision_steps:
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# Sort events of the steps also
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step["events"] = sorted(step["events"],
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key=ClusterEventsView._created_at_key,
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reverse=True)
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successful_events_count = 0
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for event in step["events"]:
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if event["node_group_id"]:
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event["node_group_name"] = node_group_mapping[
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event["node_group_id"]]
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event_result = _("Unknown")
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if event["successful"] is True:
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successful_events_count += 1
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event_result = _("Completed Successfully")
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elif event["successful"] is False:
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event_result = _("Failed")
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event["result"] = event_result
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if not event["event_info"]:
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event["event_info"] = _("No info available")
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step["duration"] = time_helpers.get_duration(
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step["created_at"],
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step["updated_at"])
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step['started_at'] = time_helpers.to_time_zone(
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step["created_at"], localize=True)
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result = _("In progress")
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step["completed"] = successful_events_count
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if step["successful"] is True:
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step["completed"] = step["total"]
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result = _("Completed Successfully")
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elif step["successful"] is False:
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result = _("Failed")
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step["result"] = result
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status = cluster.status.lower()
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need_update = status not in ("active", "error")
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except APIException:
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# Cluster is not available. Returning empty event log.
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need_update = False
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provision_steps = []
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context = {"provision_steps": provision_steps,
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"need_update": need_update}
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return HttpResponse(json.dumps(context),
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content_type='application/json')
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class ClusterHealthChecksView(django_base.View):
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_date_format = "%Y-%m-%dT%H:%M:%S"
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_status_in_progress = 'CHECKING'
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def _get_checks(self, cluster):
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try:
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return cluster.verification['checks']
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except (AttributeError, KeyError):
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return []
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def get(self, request, *args, **kwargs):
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time_helpers = helpers.Helpers(request)
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cluster_id = kwargs.get("cluster_id")
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need_update, not_done_count, checks = False, 0, []
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mapping_to_label_type = {'red': 'danger', 'yellow': 'warning',
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'green': 'success', 'checking': 'info'}
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try:
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cluster = saharaclient.cluster_get(request, cluster_id)
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for check in self._get_checks(cluster):
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check['label'] = mapping_to_label_type.get(
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check['status'].lower())
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if not check['description']:
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check['description'] = _("No description")
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if check['status'] == self._status_in_progress:
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not_done_count += 1
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check['duration'] = time_helpers.get_duration(
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check['created_at'], check['updated_at'])
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checks.append(check)
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except APIException:
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need_update = False
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checks = []
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if not_done_count > 0:
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need_update = True
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context = {"checks": checks,
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"need_update": need_update}
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return HttpResponse(json.dumps(context),
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content_type='application/json')
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class CreateClusterView(workflows.WorkflowView):
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workflow_class = create_flow.CreateCluster
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success_url = \
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"horizon:project:data_processing.clusters:create-cluster"
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classes = ("ajax-modal",)
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template_name = "clusters/create.html"
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page_title = _("Launch Cluster")
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class ConfigureClusterView(workflows.WorkflowView):
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workflow_class = create_flow.ConfigureCluster
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success_url = "horizon:project:data_processing.clusters-tab"
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template_name = "clusters/configure.html"
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page_title = _("Configure Cluster")
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def get_initial(self):
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initial = super(ConfigureClusterView, self).get_initial()
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initial.update(self.kwargs)
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return initial
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class ScaleClusterView(workflows.WorkflowView):
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workflow_class = scale_flow.ScaleCluster
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success_url = "horizon:project:data_processing.clusters-tab"
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classes = ("ajax-modal",)
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template_name = "clusters/scale.html"
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page_title = _("Scale Cluster")
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def get_context_data(self, **kwargs):
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context = super(ScaleClusterView, self)\
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.get_context_data(**kwargs)
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context["cluster_id"] = 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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template_id = self.kwargs['cluster_id']
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try:
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template = saharaclient.cluster_template_get(self.request,
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template_id)
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except Exception:
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template = None
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exceptions.handle(self.request,
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_("Unable to fetch cluster template."))
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self._object = template
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return self._object
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def get_initial(self):
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initial = super(ScaleClusterView, self).get_initial()
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initial.update({'cluster_id': self.kwargs['cluster_id']})
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return initial
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class UpdateClusterSharesView(workflows.WorkflowView):
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workflow_class = update_flow.UpdateShares
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success_url = "horizon:project:data_processing.clusters"
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classes = ("ajax-modal",)
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template_name = "clusters/update.html"
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page_title = _("Update Cluster Shares")
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def get_context_data(self, **kwargs):
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context = super(UpdateClusterSharesView, self)\
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.get_context_data(**kwargs)
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context["cluster_id"] = 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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cluster = saharaclient.cluster_get(self.request, cluster_id)
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except Exception:
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cluster = None
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exceptions.handle(self.request,
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_("Unable to fetch cluster."))
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self._object = cluster
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return self._object
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def get_initial(self):
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initial = super(UpdateClusterSharesView, self).get_initial()
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initial.update({
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'cluster_id': self.kwargs['cluster_id'],
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'cluster': self.get_object()})
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return initial
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