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331 lines
12 KiB
331 lines
12 KiB
# coding:utf-8
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from __future__ import absolute_import, unicode_literals
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import csv
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import json
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import uuid
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import codecs
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import chardet
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from io import StringIO
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from django.conf import settings
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from django.utils.translation import ugettext_lazy as _
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from django.views.generic import TemplateView, ListView, View
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from django.views.generic.edit import CreateView, DeleteView, FormView, UpdateView
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from django.urls import reverse_lazy
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from django.views.generic.detail import DetailView
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from django.http import HttpResponse, JsonResponse
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from django.views.decorators.csrf import csrf_exempt
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from django.utils.decorators import method_decorator
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from django.core.cache import cache
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from django.utils import timezone
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from django.contrib.auth.mixins import LoginRequiredMixin
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from django.shortcuts import redirect
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from django.contrib.messages.views import SuccessMessageMixin
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from common.mixins import JSONResponseMixin
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from common.utils import get_object_or_none, get_logger, is_uuid
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from common.const import create_success_msg, update_success_msg
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from .. import forms
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from ..models import Asset, AssetGroup, AdminUser, Cluster, SystemUser
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from ..hands import AdminUserRequiredMixin
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__all__ = [
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'AssetListView', 'AssetCreateView', 'AssetUpdateView',
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'UserAssetListView', 'AssetBulkUpdateView', 'AssetDetailView',
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'AssetModalListView', 'AssetDeleteView', 'AssetExportView',
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'BulkImportAssetView',
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]
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logger = get_logger(__file__)
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class AssetListView(AdminUserRequiredMixin, TemplateView):
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template_name = 'assets/asset_list.html'
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def get_context_data(self, **kwargs):
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context = {
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'app': _('Assets'),
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'action': _('Asset list'),
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'system_users': SystemUser.objects.all(),
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}
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kwargs.update(context)
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return super().get_context_data(**kwargs)
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class UserAssetListView(LoginRequiredMixin, TemplateView):
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template_name = 'assets/user_asset_list.html'
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def get_context_data(self, **kwargs):
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context = {
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'app': _('Assets'),
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'action': _('Asset list'),
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'system_users': SystemUser.objects.all(),
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}
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kwargs.update(context)
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return super().get_context_data(**kwargs)
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class AssetCreateView(AdminUserRequiredMixin, SuccessMessageMixin, CreateView):
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model = Asset
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form_class = forms.AssetCreateForm
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template_name = 'assets/asset_create.html'
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success_url = reverse_lazy('assets:asset-list')
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def form_valid(self, form):
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asset = form.save()
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asset.created_by = self.request.user.username or 'Admin'
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asset.date_created = timezone.now()
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asset.save()
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return super().form_valid(form)
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def get_context_data(self, **kwargs):
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context = {
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'app': _('Assets'),
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'action': _('Create asset'),
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}
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kwargs.update(context)
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return super().get_context_data(**kwargs)
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def get_success_message(self, cleaned_data):
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return create_success_msg % ({"name": cleaned_data["hostname"]})
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class AssetModalListView(AdminUserRequiredMixin, ListView):
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paginate_by = settings.DISPLAY_PER_PAGE
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model = Asset
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context_object_name = 'asset_modal_list'
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template_name = 'assets/asset_modal_list.html'
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def get_context_data(self, **kwargs):
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assets = Asset.objects.all()
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assets_id = self.request.GET.get('assets_id', '')
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assets_id_list = [i for i in assets_id.split(',') if i.isdigit()]
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context = {
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'all_assets': assets_id_list,
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'assets': assets
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}
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kwargs.update(context)
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return super().get_context_data(**kwargs)
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class AssetBulkUpdateView(AdminUserRequiredMixin, ListView):
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model = Asset
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form_class = forms.AssetBulkUpdateForm
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template_name = 'assets/asset_bulk_update.html'
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success_url = reverse_lazy('assets:asset-list')
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id_list = None
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form = None
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def get(self, request, *args, **kwargs):
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assets_id = self.request.GET.get('assets_id', '')
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self.id_list = [i for i in assets_id.split(',')]
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if kwargs.get('form'):
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self.form = kwargs['form']
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elif assets_id:
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self.form = self.form_class(
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initial={'assets': self.id_list}
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)
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else:
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self.form = self.form_class()
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return super().get(request, *args, **kwargs)
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def post(self, request, *args, **kwargs):
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form = self.form_class(request.POST)
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if form.is_valid():
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form.save()
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return redirect(self.success_url)
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else:
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return self.get(request, form=form, *args, **kwargs)
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def get_context_data(self, **kwargs):
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context = {
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'app': _('Assets'),
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'action': _('Bulk update asset'),
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'form': self.form,
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'assets_selected': self.id_list,
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}
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kwargs.update(context)
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return super().get_context_data(**kwargs)
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class AssetUpdateView(AdminUserRequiredMixin, SuccessMessageMixin, UpdateView):
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model = Asset
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form_class = forms.AssetUpdateForm
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template_name = 'assets/asset_update.html'
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success_url = reverse_lazy('assets:asset-list')
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def get_context_data(self, **kwargs):
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context = {
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'app': _('Assets'),
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'action': _('Update asset'),
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}
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kwargs.update(context)
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return super().get_context_data(**kwargs)
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def get_success_message(self, cleaned_data):
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return update_success_msg % ({"name": cleaned_data["hostname"]})
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class AssetDeleteView(AdminUserRequiredMixin, DeleteView):
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model = Asset
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template_name = 'delete_confirm.html'
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success_url = reverse_lazy('assets:asset-list')
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class AssetDetailView(DetailView):
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model = Asset
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context_object_name = 'asset'
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template_name = 'assets/asset_detail.html'
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def get_context_data(self, **kwargs):
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asset_groups = self.object.groups.all()
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context = {
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'app': _('Assets'),
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'action': _('Asset detail'),
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'asset_groups_remain': [asset_group for asset_group in AssetGroup.objects.all()
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if asset_group not in asset_groups],
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'asset_groups': asset_groups,
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'system_users_all': SystemUser.objects.all(),
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}
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kwargs.update(context)
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return super().get_context_data(**kwargs)
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@method_decorator(csrf_exempt, name='dispatch')
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class AssetExportView(View):
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def get(self, request):
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spm = request.GET.get('spm', '')
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assets_id_default = [Asset.objects.first().id] if Asset.objects.first() else []
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assets_id = cache.get(spm, assets_id_default)
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fields = [
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field for field in Asset._meta.fields
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if field.name not in [
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'date_created'
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]
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]
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filename = 'assets-{}.csv'.format(
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timezone.localtime(timezone.now()).strftime('%Y-%m-%d_%H-%M-%S'))
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response = HttpResponse(content_type='text/csv')
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response['Content-Disposition'] = 'attachment; filename="%s"' % filename
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response.write(codecs.BOM_UTF8)
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assets = Asset.objects.filter(id__in=assets_id)
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writer = csv.writer(response, dialect='excel',
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quoting=csv.QUOTE_MINIMAL)
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header = [field.verbose_name for field in fields]
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header.append(_('Asset groups'))
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writer.writerow(header)
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for asset in assets:
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groups = ','.join([group.name for group in asset.groups.all()])
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data = [getattr(asset, field.name) for field in fields]
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data.append(groups)
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writer.writerow(data)
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return response
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def post(self, request, *args, **kwargs):
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try:
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assets_id = json.loads(request.body).get('assets_id', [])
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except ValueError:
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return HttpResponse('Json object not valid', status=400)
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spm = uuid.uuid4().hex
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cache.set(spm, assets_id, 300)
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url = reverse_lazy('assets:asset-export') + '?spm=%s' % spm
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return JsonResponse({'redirect': url})
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class BulkImportAssetView(AdminUserRequiredMixin, JSONResponseMixin, FormView):
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form_class = forms.FileForm
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def form_valid(self, form):
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f = form.cleaned_data['file']
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det_result = chardet.detect(f.read())
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f.seek(0) # reset file seek index
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file_data = f.read().decode(det_result['encoding']).strip(codecs.BOM_UTF8.decode())
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csv_file = StringIO(file_data)
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reader = csv.reader(csv_file)
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csv_data = [row for row in reader]
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fields = [
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field for field in Asset._meta.fields
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if field.name not in [
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'date_created'
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]
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]
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header_ = csv_data[0]
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mapping_reverse = {field.verbose_name: field.name for field in fields}
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mapping_reverse[_('Asset groups')] = 'groups'
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attr = [mapping_reverse.get(n, None) for n in header_]
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if None in attr:
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data = {'valid': False,
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'msg': 'Must be same format as '
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'template or export file'}
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return self.render_json_response(data)
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created, updated, failed = [], [], []
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assets = []
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for row in csv_data[1:]:
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if set(row) == {''}:
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continue
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asset_dict = dict(zip(attr, row))
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id_ = asset_dict.pop('id', 0)
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for k, v in asset_dict.items():
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if k == 'cluster':
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v = get_object_or_none(Cluster, name=v)
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elif k == 'is_active':
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v = bool(v)
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elif k == 'admin_user':
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v = get_object_or_none(AdminUser, name=v)
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elif k in ['port', 'cabinet_pos', 'cpu_count', 'cpu_cores']:
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try:
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v = int(v)
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except ValueError:
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v = 0
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elif k == 'groups':
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groups_name = v.split(',')
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v = AssetGroup.objects.filter(name__in=groups_name)
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else:
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continue
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asset_dict[k] = v
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asset = get_object_or_none(Asset, id=id_) if is_uuid(id_) else None
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if not asset:
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try:
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groups = asset_dict.pop('groups')
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if len(Asset.objects.filter(hostname=asset_dict.get('hostname'))):
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raise Exception(_('already exists'))
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asset = Asset.objects.create(**asset_dict)
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asset.groups.set(groups)
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created.append(asset_dict['hostname'])
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assets.append(asset)
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except Exception as e:
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failed.append('%s: %s' % (asset_dict['hostname'], str(e)))
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else:
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for k, v in asset_dict.items():
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if k == 'groups':
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asset.groups.set(v)
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continue
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if v:
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setattr(asset, k, v)
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try:
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asset.save()
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updated.append(asset_dict['hostname'])
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except Exception as e:
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failed.append('%s: %s' % (asset_dict['hostname'], str(e)))
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data = {
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'created': created,
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'created_info': 'Created {}'.format(len(created)),
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'updated': updated,
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'updated_info': 'Updated {}'.format(len(updated)),
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'failed': failed,
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'failed_info': 'Failed {}'.format(len(failed)),
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'valid': True,
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'msg': 'Created: {}. Updated: {}, Error: {}'.format(
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len(created), len(updated), len(failed))
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}
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return self.render_json_response(data)
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