403 lines
16 KiB
Python
403 lines
16 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 logging
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import re
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import copy
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import json
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from django.core.urlresolvers import reverse, reverse_lazy
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from django.utils.translation import ugettext_lazy as _
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from django.contrib.formtools.wizard.views import SessionWizardView
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from django.http import HttpResponseRedirect
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from horizon import exceptions
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from horizon import tabs
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from horizon import tables
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from horizon import workflows
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from horizon import messages
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from horizon.forms.views import ModalFormMixin
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from tables import EnvironmentsTable
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from tables import ServicesTable
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from tables import DeploymentsTable
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from tables import EnvConfigTable
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from workflows import CreateEnvironment, UpdateEnvironment
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from tabs import ServicesTabs, DeploymentTabs
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from . import api
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from muranoclient.common.exceptions import HTTPUnauthorized, \
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CommunicationError, HTTPInternalServerError, HTTPForbidden, HTTPNotFound
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from functools import update_wrapper
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from django.utils.decorators import classonlymethod
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from services import get_service_descriptions
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from services import get_service_name
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from services import get_service_field_descriptions
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LOG = logging.getLogger(__name__)
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class LazyWizard(SessionWizardView):
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"""The class which defers evaluation of form_list and condition_dict
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until view method is called. So, each time we load a page with a dynamic
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UI form, it will have markup/logic from the newest YAML-file definition.
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"""
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@classonlymethod
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def as_view(cls, initforms, *initargs, **initkwargs):
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"""
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Main entry point for a request-response process.
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"""
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# sanitize keyword arguments
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for key in initkwargs:
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if key in cls.http_method_names:
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raise TypeError(u"You tried to pass in the %s method name as a"
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u" keyword argument to %s(). Don't do that."
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% (key, cls.__name__))
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if not hasattr(cls, key):
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raise TypeError(u"%s() received an invalid keyword %r" % (
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cls.__name__, key))
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def view(request, *args, **kwargs):
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forms = initforms
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if hasattr(initforms, '__call__'):
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forms = initforms(request)
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condition_dict = initkwargs.get('condition_dict', False)
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_kwargs = copy.copy(initkwargs)
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if condition_dict and hasattr(condition_dict, '__call__'):
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_kwargs.update(
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{'condition_dict': dict(condition_dict(request))})
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_kwargs = cls.get_initkwargs(forms, *initargs, **_kwargs)
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self = cls(**_kwargs)
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if hasattr(self, 'get') and not hasattr(self, 'head'):
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self.head = self.get
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self.request = request
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self.args = args
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self.kwargs = kwargs
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return self.dispatch(request, *args, **kwargs)
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# take name and docstring from class
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update_wrapper(view, cls, updated=())
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# and possible attributes set by decorators
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# like csrf_exempt from dispatch
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update_wrapper(view, cls.dispatch, assigned=())
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return view
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class Wizard(ModalFormMixin, LazyWizard):
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template_name = 'services/wizard_create.html'
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def done(self, form_list, **kwargs):
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link = self.request.__dict__['META']['HTTP_REFERER']
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environment_id = re.search('murano/(\w+)', link).group(0)[7:]
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url = reverse('horizon:murano:environments:services',
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args=(environment_id,))
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step0_data = form_list[0].cleaned_data
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service_type = step0_data.get('service', '')
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attributes = {'type': service_type}
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for form in form_list[1:]:
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form.extract_attributes(attributes)
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try:
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api.service_create(self.request, environment_id, attributes)
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except HTTPForbidden:
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msg = _('Sorry, you can\'t create service right now.'
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'The environment is deploying.')
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redirect = reverse("horizon:murano:environments:index")
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exceptions.handle(self.request, msg, redirect=redirect)
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except Exception:
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redirect = reverse("horizon:murano:environments:index")
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exceptions.handle(self.request,
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_('Sorry, you can\'t create service right now.'),
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redirect=redirect)
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else:
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message = "The %s service successfully created." % \
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get_service_name(self.request, service_type)
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messages.success(self.request, message)
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return HttpResponseRedirect(url)
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def get_form_initial(self, step):
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init_dict = {}
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if step != 'service_choice':
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init_dict['request'] = self.request
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return self.initial_dict.get(step, init_dict)
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def get_context_data(self, form, **kwargs):
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context = super(Wizard, self).get_context_data(form=form, **kwargs)
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if self.steps.index > 0:
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data = self.get_cleaned_data_for_step('service_choice')
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service_type = data['service']
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context['field_descriptions'] = get_service_field_descriptions(
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self.request, service_type, self.steps.index - 1)
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service_name = get_service_name(self.request, service_type)
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context.update({'type': service_type,
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'service_name': service_name,
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'environment_id': self.kwargs.get('environment_id')
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})
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else:
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extended_description = form.fields['description'].initial or ''
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if extended_description:
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data = json.loads(extended_description)
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if data:
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unavailable_services, reasons = zip(*data)
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services_msg = ', '.join(unavailable_services)
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reasons_msg = '\n'.join(set(reasons))
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extended_description = 'Services {0} are not available. ' \
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'Reasons: {1}'.format(services_msg,
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reasons_msg)
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else:
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extended_description = ''
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context.update({
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'service_descriptions': get_service_descriptions(self.request),
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'extended_description': extended_description,
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'environment_id': self.kwargs.get('environment_id')
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})
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return context
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class IndexView(tables.DataTableView):
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table_class = EnvironmentsTable
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template_name = 'environments/index.html'
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def get_data(self):
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environments = []
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try:
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environments = api.environments_list(self.request)
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except CommunicationError:
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exceptions.handle(self.request,
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'Could not connect to Murano API \
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Service, check connection details')
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except HTTPInternalServerError:
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exceptions.handle(self.request,
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'Murano API Service is not responding. \
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Try again later')
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except HTTPUnauthorized:
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exceptions.handle(self.request, ignore=True, escalate=True)
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return environments
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class Services(tables.DataTableView):
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table_class = ServicesTable
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template_name = 'services/index.html'
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def get_context_data(self, **kwargs):
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context = super(Services, self).get_context_data(**kwargs)
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try:
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environment_name = api.get_environment_name(
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self.request,
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self.environment_id)
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context['environment_name'] = environment_name
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except:
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msg = _("Sorry, this environment does't exist anymore")
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redirect = reverse("horizon:murano:environments:index")
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exceptions.handle(self.request, msg, redirect=redirect)
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return context
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def get_data(self):
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services = []
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self.environment_id = self.kwargs['environment_id']
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ns_url = "horizon:murano:environments:index"
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try:
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services = api.services_list(self.request, self.environment_id)
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except HTTPForbidden:
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msg = _('Unable to retrieve list of services. This environment '
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'is deploying or already deployed by other user.')
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exceptions.handle(self.request, msg, redirect=reverse(ns_url))
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except HTTPInternalServerError:
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msg = _("Environment with id %s doesn't exist anymore"
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% self.environment_id)
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exceptions.handle(self.request, msg, redirect=reverse(ns_url))
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except HTTPUnauthorized:
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exceptions.handle(self.request)
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except HTTPNotFound:
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msg = _("Environment with id %s doesn't exist anymore"
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% self.environment_id)
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exceptions.handle(self.request, msg, redirect=reverse(ns_url))
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return services
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class DetailServiceView(tabs.TabView):
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tab_group_class = ServicesTabs
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template_name = 'services/details.html'
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def get_context_data(self, **kwargs):
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context = super(DetailServiceView, self).get_context_data(**kwargs)
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context["service"] = self.get_data()
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context["service_name"] = self.service.name
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context["environment_name"] = \
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api.get_environment_name(self.request, self.environment_id)
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return context
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def get_data(self):
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service_id = self.kwargs['service_id']
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self.environment_id = self.kwargs['environment_id']
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try:
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self.service = api.service_get(self.request,
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self.environment_id,
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service_id)
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except HTTPUnauthorized:
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exceptions.handle(self.request)
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except HTTPForbidden:
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redirect = reverse('horizon:murano:environments:index')
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exceptions.handle(self.request,
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_('Unable to retrieve details for '
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'service'),
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redirect=redirect)
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else:
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self._service = self.service
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return self._service
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def get_tabs(self, request, *args, **kwargs):
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service = self.get_data()
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return self.tab_group_class(request, service=service, **kwargs)
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class CreateEnvironmentView(workflows.WorkflowView):
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workflow_class = CreateEnvironment
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template_name = 'environments/create.html'
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def get_initial(self):
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initial = super(CreateEnvironmentView, self).get_initial()
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initial['project_id'] = self.request.user.tenant_id
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initial['user_id'] = self.request.user.id
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return initial
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class EditEnvironmentView(workflows.WorkflowView):
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workflow_class = UpdateEnvironment
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template_name = 'environments/update.html'
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success_url = reverse_lazy("horizon:murano:environments:index")
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def get_context_data(self, **kwargs):
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context = super(EditEnvironmentView, self).get_context_data(**kwargs)
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context["environment_id"] = self.kwargs['environment_id']
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return context
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def get_object(self, *args, **kwargs):
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if not hasattr(self, "_object"):
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environment_id = self.kwargs['environment_id']
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try:
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self._object = \
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api.environment_get(self.request, environment_id)
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except:
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redirect = reverse("horizon:murano:environments:index")
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msg = _('Unable to retrieve environment details.')
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exceptions.handle(self.request, msg, redirect=redirect)
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return self._object
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def get_initial(self):
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initial = super(EditEnvironmentView, self).get_initial()
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initial.update({'environment_id': self.kwargs['environment_id'],
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'name': getattr(self.get_object(), 'name', '')})
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return initial
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class DeploymentsView(tables.DataTableView):
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table_class = DeploymentsTable
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template_name = 'deployments/index.html'
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def get_context_data(self, **kwargs):
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context = super(DeploymentsView, self).get_context_data(**kwargs)
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try:
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environment_name = api.get_environment_name(
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self.request,
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self.environment_id)
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context['environment_name'] = environment_name
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except:
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msg = _("Sorry, this environment doesn't exist anymore")
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redirect = reverse("horizon:murano:environments:index")
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exceptions.handle(self.request, msg, redirect=redirect)
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return context
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def get_data(self):
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deployments = []
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self.environment_id = self.kwargs['environment_id']
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ns_url = "horizon:murano:environments:index"
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try:
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deployments = api.deployments_list(self.request,
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self.environment_id)
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except HTTPForbidden:
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msg = _('Unable to retrieve list of deployments')
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exceptions.handle(self.request, msg, redirect=reverse(ns_url))
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except HTTPInternalServerError:
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msg = _("Environment with id %s doesn't exist anymore"
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% self.environment_id)
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exceptions.handle(self.request, msg, redirect=reverse(ns_url))
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return deployments
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class DeploymentDetailsView(tabs.TabbedTableView):
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tab_group_class = DeploymentTabs
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table_class = EnvConfigTable
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template_name = 'deployments/reports.html'
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def get_context_data(self, **kwargs):
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context = super(DeploymentDetailsView, self).get_context_data(**kwargs)
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context["environment_id"] = self.environment_id
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context["environment_name"] = \
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api.get_environment_name(self.request, self.environment_id)
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context["deployment_start_time"] = \
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api.get_deployment_start(self.request,
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self.environment_id,
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self.deployment_id)
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return context
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def get_deployment(self):
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deployment = None
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try:
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deployment = api.get_deployment_descr(self.request,
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self.environment_id,
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self.deployment_id)
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except (HTTPInternalServerError, HTTPNotFound):
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msg = _("Deployment with id %s doesn't exist anymore"
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% self.deployment_id)
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redirect = reverse("horizon:murano:environments:deployments")
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exceptions.handle(self.request, msg, redirect=redirect)
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return deployment
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def get_logs(self):
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logs = []
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try:
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logs = api.deployment_reports(self.request,
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self.environment_id,
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self.deployment_id)
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except (HTTPInternalServerError, HTTPNotFound):
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msg = _('Deployment with id %s doesn\'t exist anymore'
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% self.deployment_id)
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redirect = reverse("horizon:murano:environments:deployments")
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exceptions.handle(self.request, msg, redirect=redirect)
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return logs
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def get_tabs(self, request, *args, **kwargs):
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self.deployment_id = self.kwargs['deployment_id']
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self.environment_id = self.kwargs['environment_id']
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deployment = self.get_deployment()
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logs = self.get_logs()
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return self.tab_group_class(request, deployment=deployment, logs=logs,
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**kwargs)
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