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- #!/usr/bin/env python
- # Licensed to Cloudera, Inc. under one
- # or more contributor license agreements. See the NOTICE file
- # distributed with this work for additional information
- # regarding copyright ownership. Cloudera, Inc. licenses this file
- # to you 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 socket
- from django.utils.encoding import smart_str
- from django.utils.translation import ugettext as _
- from sqoop import client, conf
- from sqoop.client.exception import SqoopException
- from decorators import get_link_or_exception
- from desktop.lib.django_util import JsonResponse
- from desktop.lib.exceptions import StructuredException
- from desktop.lib.rest.http_client import RestException
- from exception import handle_rest_exception
- from utils import list_to_dict
- from django.views.decorators.cache import never_cache
- __all__ = ['get_links', 'create_link', 'update_link', 'link', 'links', 'link_clone', 'link_delete']
- LOG = logging.getLogger(__name__)
- @never_cache
- def get_links(request):
- response = {
- 'status': 0,
- 'errors': None,
- 'links': []
- }
- try:
- c = client.SqoopClient(conf.SERVER_URL.get(), request.user.username, request.LANGUAGE_CODE, ssl_cert_ca_verify=conf.SSL_CERT_CA_VERIFY.get())
- response['links'] = list_to_dict(c.get_links())
- except RestException, e:
- response.update(handle_rest_exception(e, _('Could not get links.')))
- return JsonResponse(response)
- @never_cache
- def create_link(request):
- response = {
- 'status': 0,
- 'errors': None,
- 'link': None
- }
- if 'link' not in request.POST:
- raise StructuredException(code="INVALID_REQUEST_ERROR", message=_('Error saving link'), data={'errors': 'Link is missing.'}, error_code=400)
- d = json.loads(smart_str(request.POST.get('link')))
- link = client.Link.from_dict(d)
- try:
- c = client.SqoopClient(conf.SERVER_URL.get(), request.user.username, request.LANGUAGE_CODE, ssl_cert_ca_verify=conf.SSL_CERT_CA_VERIFY.get())
- response['link'] = c.create_link(link).to_dict()
- except RestException, e:
- response.update(handle_rest_exception(e, _('Could not create link.')))
- except SqoopException, e:
- response['status'] = 100
- response['errors'] = e.to_dict()
- return JsonResponse(response)
- @never_cache
- def update_link(request, link):
- response = {
- 'status': 0,
- 'errors': None,
- 'link': None
- }
- if 'link' not in request.POST:
- raise StructuredException(code="INVALID_REQUEST_ERROR", message=_('Error saving link'), data={'errors': 'Link is missing.'}, error_code=400)
- link.update_from_dict(json.loads(smart_str(request.POST.get('link'))))
- try:
- c = client.SqoopClient(conf.SERVER_URL.get(), request.user.username, request.LANGUAGE_CODE, ssl_cert_ca_verify=conf.SSL_CERT_CA_VERIFY.get())
- response['link'] = c.update_link(link).to_dict()
- except RestException, e:
- response.update(handle_rest_exception(e, _('Could not update link.')))
- except SqoopException, e:
- response['status'] = 100
- response['errors'] = e.to_dict()
- return JsonResponse(response)
- @never_cache
- def links(request):
- if request.method == 'GET':
- return get_links(request)
- elif request.method == 'POST':
- return create_link(request)
- else:
- raise StructuredException(code="INVALID_METHOD", message=_('GET or POST request required.'), error_code=405)
- @never_cache
- @get_link_or_exception()
- def link(request, link):
- response = {
- 'status': 0,
- 'errors': None,
- 'link': None
- }
- if request.method == 'GET':
- response['link'] = link.to_dict()
- return JsonResponse(response)
- elif request.method == 'POST':
- return update_link(request, link)
- else:
- raise StructuredException(code="INVALID_METHOD", message=_('GET or POST request required.'), error_code=405)
- @never_cache
- @get_link_or_exception()
- def link_clone(request, link):
- if request.method != 'POST':
- raise StructuredException(code="INVALID_METHOD", message=_('POST request required.'), error_code=405)
- response = {
- 'status': 0,
- 'errors': None,
- 'link': None
- }
- link.id = -1
- link.name = '%s-copy' % link.name
- try:
- c = client.SqoopClient(conf.SERVER_URL.get(), request.user.username, request.LANGUAGE_CODE, ssl_cert_ca_verify=conf.SSL_CERT_CA_VERIFY.get())
- response['link'] = c.create_link(link).to_dict()
- except RestException, e:
- response.update(handle_rest_exception(e, _('Could not clone link.')))
- except SqoopException, e:
- response['status'] = 100
- response['errors'] = e.to_dict()
- return JsonResponse(response)
- @never_cache
- @get_link_or_exception()
- def link_delete(request, link):
- if request.method != 'POST':
- raise StructuredException(code="INVALID_METHOD", message=_('POST request required.'), error_code=405)
- response = {
- 'status': 0,
- 'errors': None
- }
- try:
- c = client.SqoopClient(conf.SERVER_URL.get(), request.user.username, request.LANGUAGE_CODE, ssl_cert_ca_verify=conf.SSL_CERT_CA_VERIFY.get())
- c.delete_link(link)
- except RestException, e:
- response.update(handle_rest_exception(e, _('Could not delete link.')))
- except SqoopException, e:
- response['status'] = 100
- response['errors'] = e.to_dict()
- return JsonResponse(response)
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