653 lines
24 KiB
Python
653 lines
24 KiB
Python
# Copyright (c) 2013 Mirantis, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# 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, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import ast
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import copy
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import json
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import netaddr
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import re
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from django.core.urlresolvers import reverse
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from django.core import validators as django_validator
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from django import forms
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from django.http import Http404
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from django.template import defaultfilters
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from django.utils import html
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from django.utils.translation import ugettext_lazy as _
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from horizon import exceptions
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from horizon import forms as hz_forms
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from horizon import messages
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from openstack_dashboard.api import glance
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from openstack_dashboard.api import nova
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from oslo_log import log as logging
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import yaql
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from muranoclient.common import exceptions as muranoclient_exc
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from muranodashboard.api import packages as pkg_api
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from muranodashboard.common import net
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from muranodashboard.environments import api as env_api
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from oslo_log import versionutils
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LOG = logging.getLogger(__name__)
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def with_request(func):
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"""Injects request into func
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The decorator is meant to be used together with `UpdatableFieldsForm':
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apply it to the `update' method of fields inside that form.
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"""
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def update(self, initial, request=None, **kwargs):
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initial_request = initial.get('request')
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for key, value in initial.iteritems():
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if key != 'request' and key not in kwargs:
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kwargs[key] = value
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if initial_request:
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LOG.debug("Using 'request' value from initial dictionary")
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func(self, initial_request, **kwargs)
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elif request:
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LOG.debug("Using direct 'request' value")
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func(self, request, **kwargs)
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else:
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LOG.error("No 'request' value passed neither via initial "
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"dictionary, nor directly")
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raise forms.ValidationError("Can't get a request information")
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return update
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def make_yaql_validator(validator_property):
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"""Field-level validator uses field's value as its '$' root object."""
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expr = validator_property['expr'].spec
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message = validator_property.get('message', '')
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def validator_func(value):
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context = yaql.create_context()
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context.set_data(value)
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if not expr.evaluate(context=context):
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raise forms.ValidationError(message)
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return validator_func
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def get_regex_validator(expr):
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try:
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validator = expr['validators'][0]
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if isinstance(validator, django_validator.RegexValidator):
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return validator
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except (TypeError, KeyError, IndexError):
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pass
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return None
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# This function is needed if we don't want to change existing services
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# regexpValidators
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def wrap_regex_validator(validator, message):
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def _validator(value):
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try:
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validator(value)
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except forms.ValidationError:
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# provide our own message
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raise forms.ValidationError(message)
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return _validator
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def get_murano_images(request):
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images = []
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try:
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# https://bugs.launchpad.net/murano/+bug/1339261 - glance
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# client version change alters the API. Other tuple values
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# are _more and _prev (in recent glance client)
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images = glance.image_list_detailed(request)[0]
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except Exception:
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LOG.error("Error to request image list from glance ")
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exceptions.handle(request, _("Unable to retrieve public images."))
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murano_images = []
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for image in images:
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murano_property = image.properties.get('murano_image_info')
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if murano_property:
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try:
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murano_metadata = json.loads(murano_property)
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except ValueError:
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LOG.warning("JSON in image metadata is not valid. "
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"Check it in glance.")
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messages.error(request, _("Invalid murano image metadata"))
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else:
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image.murano_property = murano_metadata
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murano_images.append(image)
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return murano_images
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class RawProperty(object):
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def __init__(self, key, spec):
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self.key = key
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self.spec = spec
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def finalize(self, form_name, service):
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def _get(field):
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data_ready, value = service.get_data(form_name, self.spec)
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return value if data_ready else field.__dict__[self.key]
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def _set(field, value):
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field.__dict__[self.key] = value
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def _del(field):
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del field.__dict__[self.key]
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return property(_get, _set, _del)
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FIELD_ARGS_TO_ESCAPE = ['help_text', 'initial', 'description', 'label']
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class CustomPropertiesField(forms.Field):
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def __init__(self, description=None, description_title=None,
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*args, **kwargs):
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self.description = description
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self.description_title = (description_title or
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unicode(kwargs.get('label', '')))
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for arg in FIELD_ARGS_TO_ESCAPE:
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if kwargs.get(arg):
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kwargs[arg] = html.escape(unicode(kwargs[arg]))
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validators = []
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for validator in kwargs.get('validators', []):
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if hasattr(validator, '__call__'): # single regexpValidator
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validators.append(validator)
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else: # mixed list of regexpValidator-s and YAQL validators
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expr = validator.get('expr')
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regex_validator = get_regex_validator(expr)
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if regex_validator:
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validators.append(wrap_regex_validator(
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regex_validator, validator.get('message', '')))
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elif isinstance(expr, RawProperty):
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validators.append(validator)
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kwargs['validators'] = validators
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super(CustomPropertiesField, self).__init__(*args, **kwargs)
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def clean(self, value):
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"""Skip all validators if field is disabled."""
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# form is assigned in ServiceConfigurationForm.finalize_fields()
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form = self.form
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# the only place to ensure that Service object has up-to-date
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# cleaned_data
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form.service.update_cleaned_data(form.cleaned_data, form=form)
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if getattr(self, 'enabled', True):
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return super(CustomPropertiesField, self).clean(value)
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else:
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return super(CustomPropertiesField, self).to_python(value)
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@classmethod
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def finalize_properties(cls, kwargs, form_name, service):
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props = {}
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for key, value in kwargs.items():
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if isinstance(value, RawProperty):
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props[key] = value.finalize(form_name, service)
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del kwargs[key]
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if props:
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return type(cls.__name__, (cls,), props)
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else:
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return cls
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class CharField(forms.CharField, CustomPropertiesField):
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pass
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class PasswordField(CharField):
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special_characters = '!@#$%^&*()_+|\/.,~?><:{}'
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password_re = re.compile('^.*(?=.*\d)(?=.*[a-z])(?=.*[A-Z])(?=.*[%s]).*$'
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% special_characters)
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has_clone = False
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original = True
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validate_password = django_validator.RegexValidator(
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password_re, _('The password must contain at least one letter, one \
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number and one special character'), 'invalid')
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@staticmethod
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def get_clone_name(name):
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return name + '-clone'
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def compare(self, name, form_data):
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if self.original and self.required:
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# run compare only for original fields
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# do not run compare for hidden fields (they are not required)
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if form_data.get(name) != form_data.get(self.get_clone_name(name)):
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raise forms.ValidationError(_(u"{0}{1} don't match").format(
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self.label, defaultfilters.pluralize(2)))
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class PasswordInput(forms.PasswordInput):
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class Media(object):
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js = ('muranodashboard/js/passwordfield.js',)
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def __init__(self, label, *args, **kwargs):
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help_text = kwargs.get('help_text')
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if not help_text:
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help_text = _('Enter a complex password with at least one letter, \
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one number and one special character')
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error_messages = {
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'invalid': self.validate_password.message}
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err_msg = kwargs.get('error_messages')
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if err_msg:
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if err_msg.get('required'):
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error_messages['required'] = err_msg.get('required')
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kwargs.update({
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'min_length': 7,
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'max_length': 255,
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'validators': [self.validate_password],
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'label': label,
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'error_messages': error_messages,
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'help_text': help_text,
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'widget': self.PasswordInput(render_value=True),
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})
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super(PasswordField, self).__init__(*args, **kwargs)
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def __deepcopy__(self, memo):
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result = super(PasswordField, self).__deepcopy__(memo)
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result.error_messages = copy.deepcopy(self.error_messages)
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return result
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def clone_field(self):
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self.has_clone = True
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field = copy.deepcopy(self)
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field.original = False
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field.label = _('Confirm password')
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field.error_messages['required'] = _('Please confirm your password')
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field.help_text = _('Retype your password')
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return field
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class IntegerField(forms.IntegerField, CustomPropertiesField):
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pass
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class ChoiceField(forms.ChoiceField, CustomPropertiesField):
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pass
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class DynamicChoiceField(hz_forms.DynamicChoiceField, CustomPropertiesField):
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pass
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class FlavorChoiceField(ChoiceField):
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def __init__(self, *args, **kwargs):
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if 'requirements' in kwargs:
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self.requirements = kwargs.pop('requirements')
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super(FlavorChoiceField, self).__init__(*args, **kwargs)
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@with_request
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def update(self, request, **kwargs):
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self.choices = []
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flavors = nova.novaclient(request).flavors.list()
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# If no requirements are present, return all the flavors.
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if not hasattr(self, 'requirements'):
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self.choices = [(flavor.name, flavor.name) for flavor in flavors]
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else:
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for flavor in flavors:
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# If a flavor doesn't meet a minimum requirement,
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# do not add it to the options list and skip to the
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# next flavor.
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if flavor.vcpus < self.requirements.get('min_vcpus', 0):
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continue
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if flavor.disk < self.requirements.get('min_disk', 0):
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continue
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if flavor.ram < self.requirements.get('min_memory_mb', 0):
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continue
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self.choices.append((flavor.name, flavor.name))
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# Search through selected flavors
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for flavor_name, flavor_name in self.choices:
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if 'medium' in flavor_name:
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self.initial = flavor_name
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break
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class KeyPairChoiceField(DynamicChoiceField):
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" This widget allows to select keypair for VMs "
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@with_request
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def update(self, request, **kwargs):
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self.choices = [('', _('No keypair'))]
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for keypair in nova.novaclient(request).keypairs.list():
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self.choices.append((keypair.name, keypair.name))
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# NOTE(kzaitsev): for transform to work correctly on horizon SelectWidget
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# Choice has to be non-string
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class Choice(object):
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"""A choice that allows disabling specific choices in a SelectWidget."""
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def __init__(self, title, enabled):
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self.title = title
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self.enabled = enabled
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def _get_title(data):
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if isinstance(data, Choice):
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return data.title
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return data
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def _disable_non_ready(data):
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if getattr(data, 'enabled', True):
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return {}
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else:
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return {'disabled': 'disabled'}
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class ImageChoiceField(ChoiceField):
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widget = hz_forms.SelectWidget(transform=_get_title,
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transform_html_attrs=_disable_non_ready)
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def __init__(self, *args, **kwargs):
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self.image_type = kwargs.pop('image_type', None)
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super(ImageChoiceField, self).__init__(*args, **kwargs)
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@with_request
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def update(self, request, **kwargs):
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image_map, image_choices = {}, []
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murano_images = get_murano_images(request)
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for image in murano_images:
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murano_data = image.murano_property
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title = murano_data.get('title', image.name)
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if image.status == 'active':
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title = Choice(title, enabled=True)
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else:
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title = Choice("{} ({})".format(title, image.status),
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enabled=False)
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if self.image_type is not None:
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itype = murano_data.get('type')
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if not self.image_type and itype is None:
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continue
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prefix = '{type}.'.format(type=self.image_type)
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if (not itype.startswith(prefix) and
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not self.image_type == itype):
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continue
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image_map[image.id] = title
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for id_, title in sorted(image_map.iteritems(), key=lambda e: e[1]):
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image_choices.append((id_, title))
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if image_choices:
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image_choices.insert(0, ("", _("Select Image")))
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else:
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image_choices.insert(0, ("", _("No images available")))
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self.choices = image_choices
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class NetworkChoiceField(ChoiceField):
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def __init__(self,
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include_subnets=True,
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filter=None,
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murano_networks=None,
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allow_auto=True,
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*args,
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**kwargs):
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self.filter = filter
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if murano_networks:
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if murano_networks.lower() not in ["exclude", "translate"]:
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raise ValueError(_("Invalid value of 'murano_nets' option"))
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self.murano_networks = murano_networks
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self.include_subnets = include_subnets
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self.allow_auto = allow_auto
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super(NetworkChoiceField, self).__init__(*args,
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**kwargs)
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@with_request
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def update(self, request, **kwargs):
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"""Populates available networks in the control
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This method is called automatically when the form which contains it is
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rendered
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"""
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network_choices = net.get_available_networks(request,
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self.include_subnets,
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self.filter,
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self.murano_networks)
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if self.allow_auto:
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network_choices.insert(0, ((None, None), _('Auto')))
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self.choices = network_choices or []
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def to_python(self, value):
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"""Converts string representation of widget to tuple value
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Is called implicitly during form cleanup phase
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"""
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if value:
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return ast.literal_eval(value)
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else: # may happen if no networks are available and "Auto" is disabled
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return None, None
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class AZoneChoiceField(ChoiceField):
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@with_request
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def update(self, request, **kwargs):
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try:
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availability_zones = nova.novaclient(
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request).availability_zones.list(detailed=False)
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except Exception:
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availability_zones = []
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exceptions.handle(request,
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_("Unable to retrieve availability zones."))
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az_choices = [(az.zoneName, az.zoneName)
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for az in availability_zones if az.zoneState]
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if not az_choices:
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az_choices.insert(0, ("", _("No availability zones available")))
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self.choices = az_choices
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class BooleanField(forms.BooleanField, CustomPropertiesField):
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def __init__(self, *args, **kwargs):
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if 'widget' in kwargs:
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widget = kwargs['widget']
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if isinstance(widget, type):
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widget = widget(attrs={'class': 'checkbox'})
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else:
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widget = forms.CheckboxInput(attrs={'class': 'checkbox'})
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kwargs['widget'] = widget
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kwargs['required'] = False
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super(BooleanField, self).__init__(*args, **kwargs)
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@versionutils.deprecated(
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as_of=versionutils.deprecated.JUNO,
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in_favor_of='type boolean (regular BooleanField)',
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remove_in=1)
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class FloatingIpBooleanField(BooleanField):
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pass
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class ClusterIPField(CharField):
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existing_subnet = None
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network_topology = None
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router_id = None
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@staticmethod
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def make_nova_validator(request, ip_ranges):
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def perform_checking(ip):
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django_validator.validate_ipv4_address(ip)
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if not netaddr.all_matching_cidrs(ip, ip_ranges) and ip_ranges:
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raise forms.ValidationError(_('Specified Cluster Static IP is'
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' not in valid IP range'))
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try:
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ip_info = nova.novaclient(request).fixed_ips.get(ip)
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except exceptions.UNAUTHORIZED:
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LOG.error("Error to get information about IP address"
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" using novaclient")
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exceptions.handle(
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request, _("Unable to retrieve information "
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"about fixed IP or IP is not valid."),
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ignore=True)
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except exceptions.NOT_FOUND:
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msg = "Could not found fixed ips for ip %s" % (ip,)
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LOG.error(msg)
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exceptions.handle(
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request, msg,
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ignore=True)
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else:
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if ip_info.hostname:
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raise forms.ValidationError(
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_('Specified Cluster Static IP is already in use'))
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return perform_checking
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def update_network_params(self, request, environment_id):
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env = env_api.environment_get(request, environment_id)
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self.existing_subnet = env.networking.get('cidr')
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self.network_topology = env.networking.get('topology')
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def make_neutron_validator(self):
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def perform_checking(ip):
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django_validator.validate_ipv4_address(ip)
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if not self.existing_subnet:
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raise forms.ValidationError(
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_('Cannot get allowed subnet for the environment, '
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'consult your admin'))
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elif not netaddr.IPAddress(ip) in netaddr.IPNetwork(
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self.existing_subnet):
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raise forms.ValidationError(
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_('Specified IP address should belong to {0} '
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|
'subnet').format(self.existing_subnet))
|
|
|
|
return perform_checking
|
|
|
|
@with_request
|
|
def update(self, request, environment_id, **kwargs):
|
|
self.update_network_params(request, environment_id)
|
|
|
|
if self.network_topology == 'nova':
|
|
try:
|
|
network_list = nova.novaclient(request).networks.list()
|
|
ip_ranges = [network.cidr for network in network_list]
|
|
ranges = ', '.join(ip_ranges)
|
|
except StandardError:
|
|
ip_ranges, ranges = [], ''
|
|
if ip_ranges:
|
|
self.help_text = _('Select IP from '
|
|
'available range: {0} ').format(ranges)
|
|
else:
|
|
self.help_text = _('Specify valid fixed IP')
|
|
self.validators = [self.make_nova_validator(request, ip_ranges)]
|
|
elif self.network_topology in ('routed', 'manual'):
|
|
if self.network_topology == 'manual' and self.router_id is None:
|
|
raise muranoclient_exc.NotFound(_(
|
|
'Router is not found. You should create one explicitly.'))
|
|
self.widget.attrs['placeholder'] = self.existing_subnet
|
|
self.validators = [self.make_neutron_validator()]
|
|
else: # 'flat' topology
|
|
raise NotImplementedError('Flat topology is not implemented yet')
|
|
self.error_messages['invalid'] = \
|
|
django_validator.validate_ipv4_address.message
|
|
|
|
|
|
class DatabaseListField(CharField):
|
|
validate_mssql_identifier = django_validator.RegexValidator(
|
|
re.compile(r'^[a-zA-z_][a-zA-Z0-9_$#@]*$'),
|
|
_(u'First symbol should be latin letter or underscore. Subsequent '
|
|
u'symbols can be latin letter, numeric, underscore, at sign, '
|
|
u'number sign or dollar sign'))
|
|
|
|
default_error_messages = {'invalid': validate_mssql_identifier.message}
|
|
|
|
def to_python(self, value):
|
|
"""Normalize data to a list of strings."""
|
|
if not value:
|
|
return []
|
|
return [name.strip() for name in value.split(',')]
|
|
|
|
def validate(self, value):
|
|
"""Check if value consists only of valid names."""
|
|
super(DatabaseListField, self).validate(value)
|
|
for db_name in value:
|
|
self.validate_mssql_identifier(db_name)
|
|
|
|
|
|
def make_select_cls(fqns):
|
|
if not isinstance(fqns, (tuple, list)):
|
|
fqns = (fqns,)
|
|
|
|
class Widget(hz_forms.fields.DynamicSelectWidget):
|
|
def __init__(self, attrs=None, **kwargs):
|
|
if attrs is None:
|
|
attrs = {'class': 'murano_add_select'}
|
|
else:
|
|
attrs.setdefault('class', '')
|
|
attrs['class'] += ' murano_add_select'
|
|
super(Widget, self).__init__(attrs=attrs, **kwargs)
|
|
|
|
class Media(object):
|
|
js = ('muranodashboard/js/add-select.js',)
|
|
|
|
class DynamicSelect(hz_forms.DynamicChoiceField, CustomPropertiesField):
|
|
widget = Widget
|
|
|
|
def __init__(self, empty_value_message=None, *args, **kwargs):
|
|
super(DynamicSelect, self).__init__(*args, **kwargs)
|
|
if empty_value_message is not None:
|
|
self.empty_value_message = empty_value_message
|
|
else:
|
|
self.empty_value_message = _('Select Application')
|
|
|
|
@with_request
|
|
def update(self, request, environment_id, **kwargs):
|
|
def _make_link():
|
|
ns_url = 'horizon:murano:catalog:add'
|
|
|
|
def _reverse(_fqn):
|
|
_app = pkg_api.app_by_fqn(request, _fqn)
|
|
if _app is None:
|
|
msg = "Application with FQN='{0}' doesn't exist"
|
|
messages.error(request, msg.format(_fqn))
|
|
raise Http404(msg.format(_fqn))
|
|
args = (_app.id, environment_id, False, True)
|
|
return _app.name, reverse(ns_url, args=args)
|
|
return json.dumps([_reverse(cls) for cls in fqns])
|
|
|
|
self.widget.add_item_link = _make_link
|
|
apps = env_api.service_list_by_fqns(request, environment_id, fqns)
|
|
choices = [('', self.empty_value_message)]
|
|
choices.extend([(app['?']['id'],
|
|
html.escape(app.name)) for app in apps])
|
|
self.choices = choices
|
|
# NOTE(tsufiev): streamline the drop-down UX: auto-select the
|
|
# single available option in a drop-down
|
|
if len(choices) == 2:
|
|
self.initial = choices[1][0]
|
|
|
|
def clean(self, value):
|
|
value = super(DynamicSelect, self).clean(value)
|
|
return None if value == '' else value
|
|
|
|
return DynamicSelect
|
|
|
|
|
|
@versionutils.deprecated(
|
|
as_of=versionutils.deprecated.JUNO,
|
|
in_favor_of='type io.murano.windows.ActiveDirectory with a custom '
|
|
'emptyValueMessage attribute',
|
|
remove_in=1)
|
|
class DomainChoiceField(make_select_cls('io.murano.windows.ActiveDirectory')):
|
|
def __init__(self, *args, **kwargs):
|
|
super(DomainChoiceField, self).__init__(*args, **kwargs)
|
|
self.choices = [('', _('Not in domain'))]
|