Source code for openstack_dashboard.contrib.sahara.content.data_processing.cluster_templates.workflows.copy

# 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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import base64
import json
import logging

from django.utils.translation import ugettext_lazy as _

from horizon import exceptions

from openstack_dashboard.contrib.sahara.api import sahara as saharaclient
import openstack_dashboard.contrib.sahara.content.data_processing. \
    cluster_templates.workflows.create as create_flow
import openstack_dashboard.contrib.sahara.content.data_processing.utils. \
    workflow_helpers as wf_helpers

LOG = logging.getLogger(__name__)


[docs]class CopyClusterTemplate(create_flow.ConfigureClusterTemplate): success_message = _("Cluster Template copy %s created") entry_point = "generalconfigaction" def __init__(self, request, context_seed, entry_point, *args, **kwargs): self.cluster_template_id = context_seed["template_id"] try: self.template = saharaclient.cluster_template_get( request, self.cluster_template_id) self._set_configs_to_copy(self.template.cluster_configs) request.GET = request.GET.copy() request.GET.update({"plugin_name": self.template.plugin_name, "hadoop_version": self.template.hadoop_version, "aa_groups": self.template.anti_affinity}) super(CopyClusterTemplate, self).__init__(request, context_seed, entry_point, *args, **kwargs) # Initialize node groups. # TODO(rdopieralski) The same (or very similar) code appears # multiple times in this dashboard. It should be refactored to # a function. for step in self.steps: if isinstance(step, create_flow.ConfigureNodegroups): ng_action = step.action template_ngs = self.template.node_groups if 'forms_ids' in request.POST: continue ng_action.groups = [] for i, templ_ng in enumerate(template_ngs): group_name = "group_name_%d" % i template_id = "template_id_%d" % i count = "count_%d" % i serialized = "serialized_%d" % i # save the original node group with all its fields in # case the template id is missing serialized_val = base64.urlsafe_b64encode( json.dumps(wf_helpers.clean_node_group(templ_ng))) ng = { "name": templ_ng["name"], "count": templ_ng["count"], "id": i, "deletable": "true", "serialized": serialized_val } if "node_group_template_id" in templ_ng: ng["template_id"] = templ_ng[ "node_group_template_id"] ng_action.groups.append(ng) wf_helpers.build_node_group_fields( ng_action, group_name, template_id, count, serialized) elif isinstance(step, create_flow.GeneralConfig): fields = step.action.fields fields["cluster_template_name"].initial = ( self.template.name + "-copy") fields['use_autoconfig'].initial = ( self.template.use_autoconfig) fields["description"].initial = self.template.description except Exception: exceptions.handle(request, _("Unable to fetch template to copy."))