karbor-dashboard/karbor_dashboard/checkpoints/views.py

312 lines
12 KiB
Python

# Copyright (c) 2016 Huawei, Inc.
#
# 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 uuid
from django.core.urlresolvers import reverse
from django.core.urlresolvers import reverse_lazy
from django.utils.translation import ugettext_lazy as _
from calendar import monthrange
from datetime import date
from datetime import timedelta
from horizon import exceptions
from horizon import forms as horizon_forms
from horizon import tables as horizon_tables
from horizon.utils import memoized
from karbor_dashboard.api import karbor as karborclient
from karbor_dashboard.checkpoints import forms
from karbor_dashboard.checkpoints import tables
from karbor_dashboard.checkpoints import utils
from karborclient.v1 import protectables
class IndexView(horizon_tables.DataTableView):
table_class = tables.CheckpointsTable
template_name = 'checkpoints/index.html'
page_title = _("Checkpoints")
@memoized.memoized_method
def get_provider_list(self):
return karborclient.provider_list(self.request)
@memoized.memoized_method
def get_plan_list(self):
return karborclient.plan_list(self.request)
@memoized.memoized_method
def get_filter_list(self):
filters = {}
# Get all filter
for key in utils.FILTER_LIST:
filters[key] = self.request.POST.get(key, u"All")
# Remove the "All" of provider_filter
provider_filter = utils.FILTER_LIST[0]
try:
providers = self.get_provider_list()
filters[provider_filter] = \
self.request.POST.get(provider_filter, providers[0].id)
except Exception:
exceptions.handle(
self.request,
_('Unable to retrieve anyone provider.'))
# Get arguments from the providers page
if self.kwargs.get("provider_id", None) is not None:
filters[provider_filter] = self.kwargs["provider_id"]
return filters
def get_context_data(self, **kwargs):
context = super(IndexView, self).get_context_data(**kwargs)
try:
context["provider_list"] = self.get_provider_list()
except Exception:
exceptions.handle(
self.request,
_('Unable to retrieve anyone provider.'))
context["plan_list"] = self.get_plan_list()
context["date_list"] = utils.DATE_CHOICES
context["url"] = reverse("horizon:karbor:checkpoints:index")
context = dict(context, **self.get_filter_list())
return context
@memoized.memoized_method
def get_search_opts(self):
def _total_days(year, month, num_months):
days = 0
i = 0
while i < num_months:
days += monthrange(year, month)[1]
month = month - 1 if month > 1 else 12
year = year if month > 1 else year - 1
i += 1
return days
search_opts = {}
filters = self.get_filter_list()
provider_id = filters.get(utils.FILTER_LIST[0], None)
plan_id = filters.get(utils.FILTER_LIST[1], u"All")
if plan_id != u"All":
search_opts["plan_id"] = plan_id
now = date.today()
date_filter = filters.get(utils.FILTER_LIST[2], None)
if date_filter == utils.TODAY:
delta = timedelta(days=1)
elif date_filter == utils.LASTESTONEWEEK:
delta = timedelta(weeks=1)
elif date_filter == utils.LASTESTTWOWEEKS:
delta = timedelta(weeks=2)
elif date_filter == utils.LASTESTONEMONTH:
days = _total_days(now.year, now.month, 1)
delta = timedelta(days=days)
elif date_filter == utils.LASTESTTHREEMONTHS:
days = _total_days(now.year, now.month, 3)
delta = timedelta(days=days)
else:
delta = None
if delta:
search_opts["start_date"] = now - delta
search_opts["end_date"] = now
return provider_id, search_opts
def has_prev_data(self, table):
return self._prev
def has_more_data(self, table):
return self._more
def get_data(self):
prev_marker = self.request.GET.get(
tables.CheckpointsTable._meta.prev_pagination_param, None)
if prev_marker is not None:
marker = prev_marker
else:
marker = self.request.GET.get(
tables.CheckpointsTable._meta.pagination_param, None)
reversed_order = prev_marker is not None
checkpoints = []
try:
# Get provider id and search_opts
provider_id, search_opts = self.get_search_opts()
if provider_id is None:
raise Exception()
checkpoints, self._more, self._prev = \
karborclient.checkpoint_list_paged(
self.request,
provider_id=provider_id,
search_opts=search_opts,
marker=marker,
paginate=True,
sort_dir='asc',
sort_key='name',
reversed_order=reversed_order)
provider = karborclient.provider_get(self.request, provider_id)
for checkpoint in checkpoints:
setattr(checkpoint, "provider_name", provider.name)
setattr(checkpoint, "provider_id", provider_id)
except Exception:
self._prev = False
self._more = False
exceptions.handle(self.request,
_('Unable to retrieve checkpoints list.'))
return checkpoints
def get_table(self):
super(IndexView, self).get_table()
provider_id, _ = self.get_search_opts()
setattr(self.table, 'provider_id', provider_id)
return self.table
class CheckpointsRestoreView(horizon_forms.ModalFormView):
template_name = 'checkpoints/restore.html'
modal_header = _("Restore Checkpoint")
form_id = "restore_checkpoint_form"
form_class = forms.RestoreCheckpointForm
submit_label = _("Restore Checkpoint")
submit_url = 'horizon:karbor:checkpoints:restore'
success_url = reverse_lazy('horizon:karbor:restores:index')
page_title = _("Restore Checkpoint")
def get_initial(self):
return {"provider_id": self.kwargs['provider_id'],
"checkpoint_id": self.kwargs['checkpoint_id']}
def get_context_data(self, **kwargs):
context = super(CheckpointsRestoreView, self). \
get_context_data(**kwargs)
provider_id = self.kwargs['provider_id']
checkpoint_id = self.kwargs['checkpoint_id']
context['provider_id'] = provider_id
context['checkpoint_id'] = checkpoint_id
context["instances"] = self.get_resources()
context['submit_url'] = reverse(self.submit_url,
args=(provider_id, checkpoint_id))
return context
@memoized.memoized_method
def get_resources(self):
results = []
try:
provider_id = self.kwargs['provider_id']
checkpoint_id = self.kwargs['checkpoint_id']
checkpoint = karborclient.checkpoint_get(self.request,
provider_id,
checkpoint_id)
graphnodes = utils.deserialize_resource_graph(
checkpoint.resource_graph)
self.get_results(graphnodes, None, results)
except Exception:
exceptions.handle(
self.request,
_('Unable to retrieve checkpoint details.'),
redirect=reverse("horizon:karbor:checkpoints:index"))
return results
def get_results(self, graphnodes, showparentid, results):
for graphnode in graphnodes:
if graphnode is not None:
# add graph node to results
resource = {}
resource["id"] = graphnode.value.id
resource["type"] = graphnode.value.type
resource["name"] = graphnode.value.name
resource["showid"] = str(uuid.uuid4())
resource["showparentid"] = showparentid
result = protectables.Instances(self, resource)
results.append(result)
# add child graph nodes to results
self.get_results(graphnode.child_nodes,
result.showid,
results
)
class DetailView(horizon_tables.DataTableView):
table_class = tables.DetailTable
template_name = 'checkpoints/detail.html'
page_title = _("{{ checkpoint.protection_plan.name }}")
@memoized.memoized_method
def get_checkpoint_data(self):
try:
provider_id = self.kwargs['provider_id']
checkpoint_id = self.kwargs['checkpoint_id']
checkpoint = karborclient.checkpoint_get(self.request,
provider_id,
checkpoint_id)
except Exception:
checkpoint = []
msg = _('checkpoint list can not be retrieved.')
exceptions.handle(self.request, msg)
return checkpoint
def get_context_data(self, **kwargs):
context = super(DetailView, self).get_context_data(**kwargs)
checkpoint = self.get_checkpoint_data()
context["checkpoint"] = checkpoint
provider_id = self.kwargs['provider_id']
provider = karborclient.provider_get(self.request, provider_id)
context["provider_name"] = provider.name
context["resources"] = self.get_resources()
context["url"] = reverse("horizon:karbor:protectionplans:index")
return context
@memoized.memoized_method
def get_resources(self):
results = []
try:
provider_id = self.kwargs['provider_id']
checkpoint_id = self.kwargs['checkpoint_id']
checkpoint = karborclient.checkpoint_get(self.request,
provider_id,
checkpoint_id)
graphnodes = utils.deserialize_resource_graph(
checkpoint.resource_graph)
self.get_results(graphnodes, None, results)
except Exception:
exceptions.handle(
self.request,
_('Unable to retrieve checkpoint details.'),
redirect=reverse("horizon:karbor:checkpoints:index"))
return results
def get_results(self, graphnodes, showparentid, results):
for graphnode in graphnodes:
if graphnode is not None:
# add graph node to results
resource = {}
resource["id"] = graphnode.value.id
resource["type"] = graphnode.value.type
resource["name"] = graphnode.value.name
resource["showid"] = str(uuid.uuid4())
resource["showparentid"] = showparentid
result = protectables.Instances(self, resource)
results.append(result)
# add child graph nodes to results
self.get_results(graphnode.child_nodes,
result.showid,
results
)