freezer-web-ui/disaster_recovery/sessions/workflows/create.py

125 lines
4.2 KiB
Python

# (c) Copyright 2014,2015 Hewlett-Packard Development Company, L.P.
#
# 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 datetime
import logging
from django.utils.translation import ugettext_lazy as _
from django.core.urlresolvers import reverse
from horizon import exceptions
from horizon import forms
from horizon import workflows
import disaster_recovery.api.api as freezer_api
LOG = logging.getLogger(__name__)
class SessionConfigurationAction(workflows.Action):
description = forms.CharField(
label=_("Session Name"),
help_text=_("Define a name for this session"),
required=True)
session_id = forms.CharField(
widget=forms.HiddenInput(),
required=False)
schedule_start_date = forms.CharField(
label=_("Start Date and Time"),
required=False)
schedule_interval = forms.CharField(
label=_("Interval"),
required=False,
help_text=_("""Set the interval in the following format:
continuous,
N weeks,
N days,
N hours,
N minutes,
N seconds,
If no start date is provided the job
will start immediately"""))
schedule_end_date = forms.CharField(
label=_("End Date and Time"),
required=False)
def clean(self):
cleaned_data = super(SessionConfigurationAction, self).clean()
self._check_start_datetime(cleaned_data)
self._check_end_datetime(cleaned_data)
return cleaned_data
def _validate_iso_format(self, start_date):
try:
return datetime.datetime.strptime(
start_date, "%Y-%m-%dT%H:%M:%S")
except ValueError:
return False
def _check_start_datetime(self, cleaned_data):
if cleaned_data.get('start_datetime') and not \
self._validate_iso_format(
cleaned_data.get('schedule_start_date')):
msg = _("Start date time is not in ISO format.")
self._errors['schedule_start_date'] = self.error_class([msg])
def _check_end_datetime(self, cleaned_data):
if cleaned_data.get('end_datetime') and not \
self._validate_iso_format(
cleaned_data.get('schedule_end_date')):
msg = _("End date time is not in ISO format.")
self._errors['schedule_end_date'] = self.error_class([msg])
class Meta:
name = _("Session Information")
slug = "sessions"
help_text_template = "disaster_recovery/sessions" \
"/_info.html"
class SessionConfiguration(workflows.Step):
action_class = SessionConfigurationAction
contributes = ('description',
'session_id',
'schedule_start_date',
'schedule_interval',
'schedule_end_date')
class CreateSession(workflows.Workflow):
slug = "create_session"
name = _("Create Session")
finalize_button_name = _("Save")
success_message = _('Session queued correctly. It will appear soon')
failure_message = _('Unable to create session.')
success_url = "horizon:disaster_recovery:sessions:index"
default_steps = (SessionConfiguration,)
def handle(self, request, context):
try:
if context['session_id'] != '':
freezer_api.Session(request).update(context,
context['session_id'])
else:
freezer_api.Session(request).create(context)
return reverse("horizon:disaster_recovery:sessions:index")
except Exception:
exceptions.handle(request)
return False