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# Copyright 2016 - Nokia.
#
# 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 json
from django.utils.translation import gettext_lazy as _
from horizon import forms
from horizon import messages
from mistraldashboard import api
from mistraldashboard.default.utils import convert_empty_string_to_none
from mistraldashboard.handle_errors import handle_errors
class CreateForm(forms.SelfHandlingForm):
name = forms.CharField(
max_length=255,
label=_("Name"),
help_text=_('Cron Trigger name.'),
required=True
)
workflow_id = forms.ChoiceField(
label=_('Workflow ID'),
help_text=_('Select Workflow ID.'),
widget=forms.Select(
attrs={'class': 'switchable',
'data-slug': 'workflow_select'}
)
)
input_source = forms.ChoiceField(
label=_('Input'),
help_text=_('JSON of input values defined in the workflow. '
'Select either file or raw content.'),
choices=[('file', _('File')),
('raw', _('Direct Input'))],
widget=forms.Select(
attrs={'class': 'switchable',
'data-slug': 'inputsource'}
)
)
input_upload = forms.FileField(
label=_('Input File'),
help_text=_('A local input to upload.'),
widget=forms.FileInput(
attrs={'class': 'switched',
'data-switch-on': 'inputsource',
'data-required-when-shown': 'true',
'data-inputsource-file': _('Input File')}
),
required=False
)
input_data = forms.CharField(
label=_('Input Data'),
help_text=_('The raw contents of the input.'),
widget=forms.widgets.Textarea(
attrs={'class': 'switched',
'data-switch-on': 'inputsource',
'data-required-when-shown': 'true',
'data-inputsource-raw': _('Input Data'),
'rows': 4}
),
required=False
)
params_source = forms.ChoiceField(
label=_('Params'),
help_text=_('JSON of params values defined in the workflow. '
'Select either file or raw content.'),
choices=[('file', _('File')),
('raw', _('Direct Input'))],
widget=forms.Select(
attrs={'class': 'switchable',
'data-slug': 'paramssource'}
)
)
params_upload = forms.FileField(
label=_('Params File'),
help_text=_('A local input to upload.'),
widget=forms.FileInput(
attrs={'class': 'switched',
'data-switch-on': 'paramssource',
'data-required-when-shown': 'true',
'data-paramssource-file': _('Params File')}
),
required=False
)
params_data = forms.CharField(
label=_('Params Data'),
help_text=_('The raw contents of the params.'),
widget=forms.widgets.Textarea(
attrs={'class': 'switched',
'data-switch-on': 'paramssource',
'data-required-when-shown': 'true',
'data-paramssource-raw': _('Params Data'),
'rows': 4}
),
required=False
)
first_time = forms.CharField(
label=_('First Time (YYYY-MM-DD HH:MM)'),
help_text=_('Date and time of the first execution.'),
widget=forms.widgets.TextInput(),
required=False
)
schedule_count = forms.CharField(
label=_('Count'),
help_text=_('Number of desired executions.'),
widget=forms.widgets.TextInput(),
required=False
)
schedule_pattern = forms.CharField(
label=_('Pattern (* * * * *)'),
help_text=_('Cron Trigger pattern, mind the space between each char.'),
widget=forms.widgets.TextInput(),
required=False
)
def __init__(self, request, *args, **kwargs):
super(CreateForm, self).__init__(request, *args, **kwargs)
workflow_list = api.workflow_list(request)
workflow_id_list = []
for wf in workflow_list:
workflow_id_list.append(
(wf.id, "{id} ({name})".format(id=wf.id, name=wf.name))
)
self.fields['workflow_id'].choices = workflow_id_list
def clean(self):
cleaned_data = super(CreateForm, self).clean()
cleaned_data['input'] = ""
cleaned_data['params'] = ""
if cleaned_data.get('input_upload'):
files = self.request.FILES
cleaned_data['input'] = files['input_upload'].read()
elif cleaned_data.get('input_data'):
cleaned_data['input'] = cleaned_data['input_data']
del cleaned_data['input_upload']
del cleaned_data['input_data']
if len(cleaned_data['input']) > 0:
try:
cleaned_data['input'] = json.loads(cleaned_data['input'])
except Exception as e:
msg = _('Input is invalid JSON: %s') % str(e)
raise forms.ValidationError(msg)
if cleaned_data.get('params_upload'):
files = self.request.FILES
cleaned_data['params'] = files['params_upload'].read()
elif cleaned_data.get('params_data'):
cleaned_data['params'] = cleaned_data['params_data']
del cleaned_data['params_upload']
del cleaned_data['params_data']
if len(cleaned_data['params']) > 0:
try:
cleaned_data['params'] = json.loads(cleaned_data['params'])
except Exception as e:
msg = _('Params is invalid JSON: %s') % str(e)
raise forms.ValidationError(msg)
return cleaned_data
@handle_errors(_("Unable to create Cron Trigger"), [])
def handle(self, request, data):
data['input'] = convert_empty_string_to_none(data['input'])
data['params'] = convert_empty_string_to_none(data['params'])
data['schedule_pattern'] = convert_empty_string_to_none(
data['schedule_pattern']
)
data['first_time'] = convert_empty_string_to_none(data['first_time'])
data['schedule_count'] = convert_empty_string_to_none(
data['schedule_count']
)
api.cron_trigger_create(
request,
data['name'],
data['workflow_id'],
data['input'],
data['params'],
data['schedule_pattern'],
data['first_time'],
data['schedule_count'],
)
msg = _('Successfully created Cron Trigger.')
messages.success(request, msg)
return True
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