296 lines
11 KiB
Python
296 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 logging
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from django.utils.translation import ugettext_lazy as _
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from saharaclient.api import base as api_base
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from horizon import exceptions
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from horizon import forms
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from horizon import workflows
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from openstack_dashboard.api import network
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from openstack_dashboard.api import nova
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from openstack_dashboard.api import sahara as saharaclient
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from openstack_dashboard.dashboards.project.data_processing.utils import (
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helpers)
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from openstack_dashboard.dashboards.project.data_processing.utils import (
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workflow_helpers)
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LOG = logging.getLogger(__name__)
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class GeneralConfigAction(workflows.Action):
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nodegroup_name = forms.CharField(label=_("Template Name"))
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description = forms.CharField(label=_("Description"),
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required=False,
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widget=forms.Textarea)
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flavor = forms.ChoiceField(label=_("OpenStack Flavor"))
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storage = forms.ChoiceField(
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label=_("Storage location"),
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help_text=_("Storage"),
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choices=[("ephemeral_drive", "Ephemeral Drive"),
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("cinder_volume", "Cinder Volume")],
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widget=forms.Select(attrs={"class": "storage_field"}))
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volumes_per_node = forms.IntegerField(
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label=_("Volumes per node"),
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required=False,
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initial=1,
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widget=forms.TextInput(attrs={"class": "volume_per_node_field"})
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)
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volumes_size = forms.IntegerField(
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label=_("Volumes size (GB)"),
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required=False,
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initial=10,
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widget=forms.TextInput(attrs={"class": "volume_size_field"})
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)
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hidden_configure_field = forms.CharField(
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required=False,
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widget=forms.HiddenInput(attrs={"class": "hidden_configure_field"}))
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def __init__(self, request, *args, **kwargs):
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super(GeneralConfigAction, self).__init__(request, *args, **kwargs)
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sahara = saharaclient.client(request)
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hlps = helpers.Helpers(sahara)
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plugin, hadoop_version = (
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workflow_helpers.get_plugin_and_hadoop_version(request))
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process_choices = []
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try:
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version_details = saharaclient.plugin_get_version_details(request,
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plugin,
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hadoop_version)
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for service, processes in version_details.node_processes.items():
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for process in processes:
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process_choices.append(
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(str(service) + ":" + str(process), process))
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except Exception:
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exceptions.handle(request,
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_("Unable to generate process choices."))
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if not saharaclient.SAHARA_AUTO_IP_ALLOCATION_ENABLED:
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pools = network.floating_ip_pools_list(request)
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pool_choices = [(pool.id, pool.name) for pool in pools]
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pool_choices.insert(0, (None, "Do not assign floating IPs"))
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self.fields['floating_ip_pool'] = forms.ChoiceField(
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label=_("Floating IP pool"),
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choices=pool_choices,
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required=False)
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self.fields["processes"] = forms.MultipleChoiceField(
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label=_("Processes"),
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widget=forms.CheckboxSelectMultiple(),
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help_text=_("Processes to be launched in node group"),
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choices=process_choices)
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self.fields["plugin_name"] = forms.CharField(
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widget=forms.HiddenInput(),
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initial=plugin
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)
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self.fields["hadoop_version"] = forms.CharField(
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widget=forms.HiddenInput(),
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initial=hadoop_version
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)
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node_parameters = hlps.get_general_node_group_configs(plugin,
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hadoop_version)
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for param in node_parameters:
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self.fields[param.name] = workflow_helpers.build_control(param)
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def populate_flavor_choices(self, request, context):
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try:
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flavors = nova.flavor_list(request)
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flavor_list = [(flavor.id, "%s" % flavor.name)
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for flavor in flavors]
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except Exception:
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flavor_list = []
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exceptions.handle(request,
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_('Unable to retrieve instance flavors.'))
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return sorted(flavor_list)
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def get_help_text(self):
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extra = dict()
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plugin, hadoop_version = (
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workflow_helpers.get_plugin_and_hadoop_version(self.request))
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extra["plugin_name"] = plugin
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extra["hadoop_version"] = hadoop_version
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return super(GeneralConfigAction, self).get_help_text(extra)
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class Meta:
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name = _("Configure Node Group Template")
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help_text_template = (
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"project/data_processing.nodegroup_templates"
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"/_configure_general_help.html")
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class GeneralConfig(workflows.Step):
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action_class = GeneralConfigAction
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contributes = ("general_nodegroup_name", )
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def contribute(self, data, context):
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for k, v in data.items():
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if "hidden" in k:
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continue
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context["general_" + k] = v if v != "None" else None
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post = self.workflow.request.POST
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context['general_processes'] = post.getlist("processes")
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return context
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class ConfigureNodegroupTemplate(workflow_helpers.ServiceParametersWorkflow,
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workflow_helpers.StatusFormatMixin):
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slug = "configure_nodegroup_template"
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name = _("Create Node Group Template")
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finalize_button_name = _("Create")
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success_message = _("Created Node Group Template %s")
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name_property = "general_nodegroup_name"
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success_url = "horizon:project:data_processing.nodegroup_templates:index"
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default_steps = (GeneralConfig,)
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def __init__(self, request, context_seed, entry_point, *args, **kwargs):
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sahara = saharaclient.client(request)
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hlps = helpers.Helpers(sahara)
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plugin, hadoop_version = (
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workflow_helpers.get_plugin_and_hadoop_version(request))
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general_parameters = hlps.get_general_node_group_configs(
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plugin,
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hadoop_version)
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service_parameters = hlps.get_targeted_node_group_configs(
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plugin,
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hadoop_version)
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self._populate_tabs(general_parameters, service_parameters)
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super(ConfigureNodegroupTemplate, self).__init__(request,
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context_seed,
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entry_point,
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*args, **kwargs)
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def is_valid(self):
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missing = self.depends_on - set(self.context.keys())
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if missing:
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raise exceptions.WorkflowValidationError(
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"Unable to complete the workflow. The values %s are "
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"required but not present." % ", ".join(missing))
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checked_steps = []
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if "general_processes" in self.context:
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checked_steps = self.context["general_processes"]
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enabled_services = set([])
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for process_name in checked_steps:
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enabled_services.add(str(process_name).split(":")[0])
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steps_valid = True
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for step in self.steps:
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process_name = str(getattr(step, "process_name", None))
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if process_name not in enabled_services and \
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not isinstance(step, GeneralConfig):
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continue
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if not step.action.is_valid():
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steps_valid = False
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step.has_errors = True
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if not steps_valid:
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return steps_valid
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return self.validate(self.context)
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def handle(self, request, context):
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try:
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processes = []
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for service_process in context["general_processes"]:
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processes.append(str(service_process).split(":")[1])
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configs_dict = (
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workflow_helpers.parse_configs_from_context(
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context, self.defaults))
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plugin, hadoop_version = (
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workflow_helpers.get_plugin_and_hadoop_version(request))
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volumes_per_node = None
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volumes_size = None
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if context["general_storage"] == "cinder_volume":
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volumes_per_node = context["general_volumes_per_node"]
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volumes_size = context["general_volumes_size"]
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saharaclient.nodegroup_template_create(
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request,
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name=context["general_nodegroup_name"],
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plugin_name=plugin,
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hadoop_version=hadoop_version,
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description=context["general_description"],
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flavor_id=context["general_flavor"],
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volumes_per_node=volumes_per_node,
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volumes_size=volumes_size,
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node_processes=processes,
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node_configs=configs_dict,
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floating_ip_pool=context.get("general_floating_ip_pool", None))
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return True
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except api_base.APIException as e:
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self.error_description = str(e)
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return False
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except Exception:
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exceptions.handle(request)
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class SelectPluginAction(workflows.Action,
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workflow_helpers.PluginAndVersionMixin):
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hidden_create_field = forms.CharField(
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required=False,
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widget=forms.HiddenInput(attrs={"class": "hidden_create_field"}))
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def __init__(self, request, *args, **kwargs):
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super(SelectPluginAction, self).__init__(request, *args, **kwargs)
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sahara = saharaclient.client(request)
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self._generate_plugin_version_fields(sahara)
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class Meta:
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name = _("Select plugin and hadoop version")
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help_text_template = ("project/data_processing.nodegroup_templates"
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"/_create_general_help.html")
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class SelectPlugin(workflows.Step):
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action_class = SelectPluginAction
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contributes = ("plugin_name", "hadoop_version")
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def contribute(self, data, context):
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context = super(SelectPlugin, self).contribute(data, context)
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context["plugin_name"] = data.get('plugin_name', None)
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context["hadoop_version"] = \
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data.get(context["plugin_name"] + "_version", None)
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return context
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class CreateNodegroupTemplate(workflows.Workflow):
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slug = "create_nodegroup_template"
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name = _("Create Node Group Template")
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finalize_button_name = _("Create")
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success_message = _("Created")
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failure_message = _("Could not create")
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success_url = "horizon:project:data_processing.nodegroup_templates:index"
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default_steps = (SelectPlugin,)
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