sahara-dashboard/sahara_dashboard/content/data_processing/clusters/clusters/workflows/update.py

133 lines
4.7 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.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 manila as manilaclient
from sahara_dashboard.api import sahara as saharaclient
import sahara_dashboard.content.data_processing. \
utils.workflow_helpers as whelpers
class SelectSharesAction(workflows.Action):
def __init__(self, request, *args, **kwargs):
super(SelectSharesAction, self).__init__(
request, *args, **kwargs)
possible_shares = self.get_possible_shares(request)
cluster_id = [x["cluster_id"] for x in args if "cluster_id" in x][0]
self.fields["cluster_id"] = forms.CharField(
widget=forms.HiddenInput(),
initial=cluster_id)
self.fields["shares"] = whelpers.MultipleShareChoiceField(
label=_("Select Shares"),
widget=whelpers.ShareWidget(choices=possible_shares),
required=False,
choices=possible_shares,
)
cluster = [x["cluster"] for x in args if "cluster" in x][0]
self.fields["shares"].initial = (
self._get_share_defaults(cluster.shares,
self.fields["shares"]))
def _get_share_defaults(self, cluster_shares, share_field):
values = dict()
choices = share_field.choices
for i, choice in enumerate(choices):
share_id = choice[0]
s = [s for s in cluster_shares if s['id'] == share_id]
if len(s) > 0:
path = s[0]["path"] if "path" in s[0] else ""
values["share_id_{0}".format(i)] = {
"id": s[0]["id"],
"path": path,
"access_level": s[0]["access_level"]
}
else:
values["share_id_{0}".format(i)] = {
"id": None,
"path": None,
"access_level": None
}
return values
def get_possible_shares(self, request):
try:
shares = manilaclient.share_list(request)
choices = [(s.id, s.name) for s in shares]
except Exception:
exceptions.handle(request, _("Failed to get list of shares"))
choices = []
return choices
def clean(self):
cleaned_data = super(SelectSharesAction, self).clean()
self._errors = dict()
return cleaned_data
class Meta(object):
name = _("Shares")
help_text = _("Select the manila shares for this cluster")
class SelectShares(workflows.Step):
action_class = SelectSharesAction
depends_on = ("cluster_id", "cluster")
def contribute(self, data, context):
post = self.workflow.request.POST
shares_details = []
for index in range(0, len(self.action.fields['shares'].choices) * 3):
if index % 3 == 0:
share = post.get("shares_{0}".format(index))
if share:
path = post.get("shares_{0}".format(index + 1))
permissions = post.get("shares_{0}".format(index + 2))
shares_details.append({
"id": share,
"path": path,
"access_level": permissions
})
context['cluster_shares'] = shares_details
return context
class UpdateShares(workflows.Workflow):
slug = "update_cluster_shares"
name = _("Update Cluster Shares")
success_message = _("Updated")
failure_message = _("Could not update cluster shares")
success_url = "horizon:project:data_processing.clusters:index"
default_steps = (SelectShares,)
def handle(self, request, context):
try:
saharaclient.cluster_update_shares(
request, context["cluster_id"], context["cluster_shares"])
return True
except api_base.APIException as e:
self.error_description = str(e)
return False
except Exception:
exceptions.handle(request,
_("Cluster share update failed."))
return False