sahara-dashboard/sahara_dashboard/content/data_processing/cluster_templates/workflows/create.py

338 lines
12 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.
import base64
import json
import logging
from django.utils.translation import ugettext_lazy as _
from saharaclient.api import base as api_base
from horizon import exceptions
from horizon import forms
from horizon import workflows
from sahara_dashboard.api import sahara as saharaclient
from sahara_dashboard.content.data_processing. \
utils import helpers as helpers
from sahara_dashboard.content.data_processing. \
utils import anti_affinity as aa
import sahara_dashboard.content.data_processing. \
utils.workflow_helpers as whelpers
LOG = logging.getLogger(__name__)
class SelectPluginAction(workflows.Action):
hidden_create_field = forms.CharField(
required=False,
widget=forms.HiddenInput(attrs={"class": "hidden_create_field"}))
def __init__(self, request, *args, **kwargs):
super(SelectPluginAction, self).__init__(request, *args, **kwargs)
try:
plugins = saharaclient.plugin_list(request)
except Exception:
plugins = []
exceptions.handle(request,
_("Unable to fetch plugin list."))
plugin_choices = [(plugin.name, plugin.title) for plugin in plugins]
self.fields["plugin_name"] = forms.ChoiceField(
label=_("Plugin name"),
choices=plugin_choices,
widget=forms.Select(attrs={"class": "plugin_name_choice"}))
for plugin in plugins:
field_name = plugin.name + "_version"
choice_field = forms.ChoiceField(
label=_("Version"),
choices=[(version, version) for version in plugin.versions],
widget=forms.Select(
attrs={"class": "plugin_version_choice "
+ field_name + "_choice"})
)
self.fields[field_name] = choice_field
class Meta(object):
name = _("Select plugin and hadoop version for cluster template")
help_text_template = ("project/data_processing.cluster_templates/"
"_create_general_help.html")
class SelectPlugin(workflows.Step):
action_class = SelectPluginAction
class CreateClusterTemplate(workflows.Workflow):
slug = "create_cluster_template"
name = _("Create Cluster Template")
finalize_button_name = _("Next")
success_message = _("Created")
failure_message = _("Could not create")
success_url = "horizon:project:data_processing.cluster_templates:index"
default_steps = (SelectPlugin,)
class GeneralConfigAction(workflows.Action):
hidden_configure_field = forms.CharField(
required=False,
widget=forms.HiddenInput(attrs={"class": "hidden_configure_field"}))
hidden_to_delete_field = forms.CharField(
required=False,
widget=forms.HiddenInput(attrs={"class": "hidden_to_delete_field"}))
cluster_template_name = forms.CharField(label=_("Template Name"))
description = forms.CharField(label=_("Description"),
required=False,
widget=forms.Textarea(attrs={'rows': 4}))
use_autoconfig = forms.BooleanField(
label=_("Auto-configure"),
help_text=_("If selected, instances of a cluster will be "
"automatically configured during creation. Otherwise you "
"should manually specify configuration values"),
required=False,
widget=forms.CheckboxInput(),
initial=True,
)
anti_affinity = aa.anti_affinity_field()
def __init__(self, request, *args, **kwargs):
super(GeneralConfigAction, self).__init__(request, *args, **kwargs)
plugin, hadoop_version = whelpers.\
get_plugin_and_hadoop_version(request)
self.fields["plugin_name"] = forms.CharField(
widget=forms.HiddenInput(),
initial=plugin
)
self.fields["hadoop_version"] = forms.CharField(
widget=forms.HiddenInput(),
initial=hadoop_version
)
populate_anti_affinity_choices = aa.populate_anti_affinity_choices
def get_help_text(self):
extra = dict()
plugin, hadoop_version = whelpers\
.get_plugin_and_hadoop_version(self.request)
extra["plugin_name"] = plugin
extra["hadoop_version"] = hadoop_version
return super(GeneralConfigAction, self).get_help_text(extra)
def clean(self):
cleaned_data = super(GeneralConfigAction, self).clean()
if cleaned_data.get("hidden_configure_field", None) \
== "create_nodegroup":
self._errors = dict()
return cleaned_data
class Meta(object):
name = _("Details")
help_text_template = ("project/data_processing.cluster_templates/"
"_configure_general_help.html")
class GeneralConfig(workflows.Step):
action_class = GeneralConfigAction
contributes = ("hidden_configure_field", )
def contribute(self, data, context):
for k, v in data.items():
context["general_" + k] = v
post = self.workflow.request.POST
context['anti_affinity_info'] = post.getlist("anti_affinity")
return context
class ConfigureNodegroupsAction(workflows.Action):
hidden_nodegroups_field = forms.CharField(
required=False,
widget=forms.HiddenInput(attrs={"class": "hidden_nodegroups_field"}))
forms_ids = forms.CharField(
required=False,
widget=forms.HiddenInput())
def __init__(self, request, *args, **kwargs):
super(ConfigureNodegroupsAction, self). \
__init__(request, *args, **kwargs)
plugin = request.REQUEST.get("plugin_name")
version = request.REQUEST.get("hadoop_version")
if plugin and not version:
version_name = plugin + "_version"
version = request.REQUEST.get(version_name)
if not plugin or not version:
self.templates = saharaclient.nodegroup_template_find(request)
else:
self.templates = saharaclient.nodegroup_template_find(
request, plugin_name=plugin, hadoop_version=version)
deletable = request.REQUEST.get("deletable", dict())
request_source = None
if 'forms_ids' in request.POST:
request_source = request.POST
elif 'forms_ids' in request.REQUEST:
request_source = request.REQUEST
if request_source:
self.groups = []
for id in json.loads(request_source['forms_ids']):
group_name = "group_name_" + str(id)
template_id = "template_id_" + str(id)
count = "count_" + str(id)
serialized = "serialized_" + str(id)
self.groups.append({"name": request_source[group_name],
"template_id": request_source[template_id],
"count": request_source[count],
"id": id,
"deletable": deletable.get(
request_source[group_name], "true"),
"serialized": request_source[serialized]})
whelpers.build_node_group_fields(self,
group_name,
template_id,
count,
serialized)
def clean(self):
cleaned_data = super(ConfigureNodegroupsAction, self).clean()
if cleaned_data.get("hidden_nodegroups_field", None) \
== "create_nodegroup":
self._errors = dict()
return cleaned_data
class Meta(object):
name = _("Node Groups")
class ConfigureNodegroups(workflows.Step):
action_class = ConfigureNodegroupsAction
contributes = ("hidden_nodegroups_field", )
template_name = ("project/data_processing.cluster_templates/"
"cluster_node_groups_template.html")
def contribute(self, data, context):
for k, v in data.items():
context["ng_" + k] = v
return context
class ConfigureClusterTemplate(whelpers.ServiceParametersWorkflow,
whelpers.StatusFormatMixin):
slug = "configure_cluster_template"
name = _("Create Cluster Template")
finalize_button_name = _("Create")
success_message = _("Created Cluster Template %s")
name_property = "general_cluster_template_name"
success_url = "horizon:project:data_processing.cluster_templates:index"
default_steps = (GeneralConfig,
ConfigureNodegroups)
def __init__(self, request, context_seed, entry_point, *args, **kwargs):
ConfigureClusterTemplate._cls_registry = set([])
hlps = helpers.Helpers(request)
plugin, hadoop_version = whelpers.\
get_plugin_and_hadoop_version(request)
general_parameters = hlps.get_cluster_general_configs(
plugin,
hadoop_version)
service_parameters = hlps.get_targeted_cluster_configs(
plugin,
hadoop_version)
self._populate_tabs(general_parameters, service_parameters)
super(ConfigureClusterTemplate, self).__init__(request,
context_seed,
entry_point,
*args, **kwargs)
def is_valid(self):
steps_valid = True
for step in self.steps:
if not step.action.is_valid():
steps_valid = False
step.has_errors = True
errors_fields = list(step.action.errors.keys())
step.action.errors_fields = errors_fields
if not steps_valid:
return steps_valid
return self.validate(self.context)
def handle(self, request, context):
try:
node_groups = []
configs_dict = whelpers.parse_configs_from_context(context,
self.defaults)
ids = json.loads(context['ng_forms_ids'])
for id in ids:
name = context['ng_group_name_' + str(id)]
template_id = context['ng_template_id_' + str(id)]
count = context['ng_count_' + str(id)]
raw_ng = context.get("ng_serialized_" + str(id))
if raw_ng and raw_ng != 'null':
ng = json.loads(base64.urlsafe_b64decode(str(raw_ng)))
else:
ng = dict()
ng["name"] = name
ng["count"] = count
if template_id and template_id != u'None':
ng["node_group_template_id"] = template_id
node_groups.append(ng)
plugin, hadoop_version = whelpers.\
get_plugin_and_hadoop_version(request)
# TODO(nkonovalov): Fix client to support default_image_id
saharaclient.cluster_template_create(
request,
context["general_cluster_template_name"],
plugin,
hadoop_version,
context["general_description"],
configs_dict,
node_groups,
context["anti_affinity_info"],
use_autoconfig=context['general_use_autoconfig']
)
hlps = helpers.Helpers(request)
if hlps.is_from_guide():
request.session["guide_cluster_template_name"] = (
context["general_cluster_template_name"])
self.success_url = (
"horizon:project:data_processing.wizard:cluster_guide")
return True
except api_base.APIException as e:
self.error_description = str(e)
return False
except Exception:
exceptions.handle(request,
_("Cluster template creation failed"))
return False