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# -*- coding: utf8 -*-
#
# 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
import logging
import urlparse
from django.core.urlresolvers import reverse
from django.core.urlresolvers import reverse_lazy
from django import http
from django import shortcuts
import django.utils.text
from django.utils.translation import ugettext_lazy as _
import heatclient
import horizon.forms
from horizon import messages
from tuskar_ui import api
from tuskar_ui.infrastructure.overview import forms
from tuskar_ui.infrastructure import views
INDEX_URL = 'horizon:infrastructure:overview:index'
LOG = logging.getLogger(__name__)
def _steps_message(messages):
total_steps = len(messages)
completed_steps = len([m for m in messages if not m.get('is_critical')])
return _("{0} of {1} Steps Completed").format(completed_steps, total_steps)
def _get_role_data(plan, stack, form, role):
"""Gathers data about a single deployment role.
Gathers data about a single deployment role from the related Overcloud
and Role objects, and presents it in the form convenient for use
from the template.
"""
data = {
'id': role.id,
'role': role,
'name': role.name,
'planned_node_count': plan.get_role_node_count(role),
'field': form['%s-count' % role.id] if form else '',
}
if stack:
resources = stack.resources(role=role, with_joins=True)
nodes = [r.node for r in resources]
node_count = len(nodes)
deployed_node_count = 0
deploying_node_count = 0
error_node_count = 0
waiting_node_count = node_count
status = 'warning'
if nodes:
deployed_node_count = sum(1 for node in nodes
if node.instance.status == 'ACTIVE')
deploying_node_count = sum(1 for node in nodes
if node.instance.status == 'BUILD')
error_node_count = sum(1 for node in nodes
if node.instance.status == 'ERROR')
waiting_node_count = (node_count - deployed_node_count -
deploying_node_count - error_node_count)
if error_node_count or 'FAILED' in stack.stack_status:
status = 'danger'
elif deployed_node_count == data['planned_node_count']:
status = 'success'
else:
status = 'info'
finished = deployed_node_count == data['planned_node_count']
if finished:
icon = 'fa-check'
elif status in ('danger', 'warning'):
icon = 'fa-exclamation'
else:
icon = 'fa-spinner fa-spin'
data.update({
'status': status,
'finished': finished,
'total_node_count': node_count,
'deployed_node_count': deployed_node_count,
'deploying_node_count': deploying_node_count,
'waiting_node_count': waiting_node_count,
'error_node_count': error_node_count,
'icon': icon,
})
# TODO(rdopieralski) get this from ceilometer
# data['capacity'] = 20
return data
class IndexView(horizon.forms.ModalFormView, views.StackMixin):
template_name = 'infrastructure/overview/index.html'
form_class = forms.EditPlan
success_url = reverse_lazy(INDEX_URL)
def get_progress_update(self, request, data):
return {
'progress': data.get('progress'),
'show_last_events': data.get('show_last_events'),
'last_events_title': unicode(data.get('last_events_title')),
'last_events': [{
'event_time': event.event_time,
'resource_name': event.resource_name,
'resource_status': event.resource_status,
'resource_status_reason': event.resource_status_reason,
} for event in data.get('last_events', [])],
'roles': [{
'status': role.get('status', 'warning'),
'finished': role.get('finished', False),
'name': role.get('name', ''),
'slug': django.utils.text.slugify(role.get('name', '')),
'id': role.get('id', ''),
'total_node_count': role.get('node_count', 0),
'deployed_node_count': role.get('deployed_node_count', 0),
'deploying_node_count': role.get('deploying_node_count', 0),
'waiting_node_count': role.get('waiting_node_count', 0),
'error_node_count': role.get('error_node_count', 0),
'planned_node_count': role.get('planned_node_count', 0),
'icon': role.get('icon', ''),
} for role in data.get('roles', [])],
}
def get(self, request, *args, **kwargs):
if request.META.get('HTTP_X_HORIZON_PROGRESS', ''):
# If it's an AJAX call for progress update, send it.
data = self.get_data(request, {})
return http.HttpResponse(
json.dumps(self.get_progress_update(request, data)),
content_type='application/json',
)
return super(IndexView, self).get(request, *args, **kwargs)
def get_form(self, form_class):
return form_class(self.request, **self.get_form_kwargs())
def get_context_data(self, *args, **kwargs):
context = super(IndexView, self).get_context_data(*args, **kwargs)
context.update(self.get_data(self.request, context))
return context
def get_data(self, request, context, *args, **kwargs):
plan = api.tuskar.Plan.get_the_plan(request)
stack = self.get_stack()
form = context.get('form')
context['plan'] = plan
context['stack'] = stack
roles = [_get_role_data(plan, stack, form, role)
for role in plan.role_list]
context['roles'] = roles
if stack:
context['show_last_events'] = True
failed_events = [e for e in stack.events
if 'FAILED' in e.resource_status and
'aborted' not in e.resource_status_reason][-3:]
if failed_events:
context['last_events_title'] = _('Last failed events')
context['last_events'] = failed_events
else:
context['last_events_title'] = _('Last event')
context['last_events'] = [stack.events[0]]
if stack.is_deleting or stack.is_delete_failed:
# TODO(lsmola) since at this point we don't have total number
# of nodes we will hack this around, till API can show this
# information. So it will actually show progress like the total
# number is 10, or it will show progress of 5%. Ugly, but
# workable.
total_num_nodes_count = 10
try:
resources_count = len(
stack.resources(with_joins=False))
except heatclient.exc.HTTPNotFound:
# Immediately after undeploying has started, heat returns
# this exception so we can take it as kind of init of
# undeploying.
resources_count = total_num_nodes_count
# TODO(lsmola) same as hack above
total_num_nodes_count = max(
resources_count, total_num_nodes_count)
context['progress'] = min(95, max(
5, 100 * float(resources_count) / total_num_nodes_count))
elif stack.is_deploying or stack.is_updating:
total = sum(d['total_node_count'] for d in roles)
context['progress'] = min(95, max(
5, 100 * sum(float(d.get('deployed_node_count', 0))
for d in roles) / (total or 1)
))
else:
# stack is active
if not stack.is_failed:
context['show_last_events'] = False
context['progress'] = 100
controller_role = plan.get_role_by_name("Controller")
context['admin_password'] = plan.parameter_value(
controller_role.parameter_prefix + 'AdminPassword')
context['dashboard_urls'] = stack.dashboard_urls
no_proxy = [urlparse.urlparse(url).hostname
for url in stack.dashboard_urls]
context['no_proxy'] = ",".join(no_proxy)
context['auth_url'] = stack.keystone_auth_url
else:
messages = forms.validate_plan(request, plan)
context['plan_messages'] = messages
context['plan_invalid'] = any(message.get('is_critical')
for message in messages)
context['steps_message'] = _steps_message(messages)
return context
def post(self, request, *args, **kwargs):
"""If the post comes from ajax, return validation results as json."""
if not request.META.get('HTTP_X_HORIZON_VALIDATE', ''):
return super(IndexView, self).post(request, *args, **kwargs)
form_class = self.get_form_class()
form = self.get_form(form_class)
if form.is_valid():
handled = form.handle(self.request, form.cleaned_data)
else:
handled = False
if handled:
messages = forms.validate_plan(request, form.plan)
else:
messages = [{
'text': _(u"Error saving the plan."),
'is_critical': True,
}]
messages.extend({
'text': repr(error),
} for error in form.non_field_errors)
messages.extend({
'text': repr(error),
} for field in form.fields for error in field.errors)
# We need to unlazify all the lazy urls and translations.
return http.HttpResponse(json.dumps({
'plan_invalid': any(m.get('is_critical') for m in messages),
'steps_message': _steps_message(messages),
'messages': [{
'text': unicode(m.get('text', '')),
'is_critical': m.get('is_critical', False),
'indent': m.get('indent', 0),
'classes': m['classes'],
} for m in messages],
}), content_type='application/json')
class DeployConfirmationView(horizon.forms.ModalFormView, views.StackMixin):
form_class = forms.DeployOvercloud
template_name = 'infrastructure/overview/deploy_confirmation.html'
submit_label = _("Deploy")
def get_context_data(self, **kwargs):
context = super(DeployConfirmationView,
self).get_context_data(**kwargs)
plan = api.tuskar.Plan.get_the_plan(self.request)
context['autogenerated_parameters'] = (
plan.list_generated_parameters(with_prefix=False).keys())
return context
def get_success_url(self):
return reverse(INDEX_URL)
class UndeployConfirmationView(horizon.forms.ModalFormView, views.StackMixin):
form_class = forms.UndeployOvercloud
template_name = 'infrastructure/overview/undeploy_confirmation.html'
submit_label = _("Undeploy")
def get_success_url(self):
return reverse(INDEX_URL)
def get_context_data(self, **kwargs):
context = super(UndeployConfirmationView,
self).get_context_data(**kwargs)
context['stack_id'] = self.get_stack().id
return context
def get_initial(self, **kwargs):
initial = super(UndeployConfirmationView, self).get_initial(**kwargs)
initial['stack_id'] = self.get_stack().id
return initial
class PostDeployInitView(horizon.forms.ModalFormView, views.StackMixin):
form_class = forms.PostDeployInit
template_name = 'infrastructure/overview/post_deploy_init.html'
submit_label = _("Initialize")
def get_success_url(self):
return reverse(INDEX_URL)
def get_context_data(self, **kwargs):
context = super(PostDeployInitView,
self).get_context_data(**kwargs)
context['stack_id'] = self.get_stack().id
return context
def get_initial(self, **kwargs):
initial = super(PostDeployInitView, self).get_initial(**kwargs)
initial['stack_id'] = self.get_stack().id
initial['admin_email'] = getattr(self.request.user, 'email', '')
return initial
class ScaleOutView(horizon.forms.ModalFormView, views.StackMixin):
form_class = forms.ScaleOut
template_name = "infrastructure/overview/scale_out.html"
submit_label = _("Deploy Changes")
def get_success_url(self):
return reverse(INDEX_URL)
def get_form(self, form_class):
return form_class(self.request, **self.get_form_kwargs())
def get_context_data(self, *args, **kwargs):
context = super(ScaleOutView, self).get_context_data(*args, **kwargs)
plan = api.tuskar.Plan.get_the_plan(self.request)
form = context.get('form')
roles = [_get_role_data(plan, None, form, role)
for role in plan.role_list]
context.update({
'roles': roles,
'plan': plan,
})
return context
def _get_openrc_credentials(request):
plan = api.tuskar.Plan.get_the_plan(request)
stack = api.heat.Stack.get_by_plan(request, plan)
no_proxy = [urlparse.urlparse(url).hostname
for url in stack.dashboard_urls]
controller_role = plan.get_role_by_name("Controller")
credentials = dict(tenant_name='admin',
auth_url=stack.keystone_auth_url,
admin_password=plan.parameter_value(
controller_role.parameter_prefix + 'AdminPassword'),
no_proxy=",".join(no_proxy))
return credentials
def download_overcloudrc_file(request):
template = 'infrastructure/overview/overcloudrc.sh.template'
try:
context = _get_openrc_credentials(request)
response = shortcuts.render(request,
template,
context,
content_type="text/plain")
response['Content-Disposition'] = ('attachment; '
'filename="overcloudrc"')
response['Content-Length'] = str(len(response.content))
return response
except Exception as e:
LOG.exception("Exception in DownloadOvercloudrcForm.")
messages.error(request, _('Error Downloading RC File: %s') % e)
return shortcuts.redirect(request.build_absolute_uri())
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