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+# Copyright (c) 2017-2018 Wind River Systems, 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 logging
+import json
+import tempfile
+import os
+
+import traceback
+from keystoneauth1.exceptions import HttpError
+from rest_framework import status
+from rest_framework.response import Response
+from rest_framework.views import APIView
+
+from common.exceptions import VimDriverNewtonException
+
+from newton_base.util import VimDriverUtils
+from newton_base.openoapi.image import Images
+
+logger = logging.getLogger(__name__)
+
+class ImageFile(APIView):
+ service = {'service_type': 'image',
+ 'interface': 'public'}
+ keys_mapping = [
+ ("project_id", "tenantId"),
+ ("disk_format", "imageType"),
+ ("container_format", "containerFormat")
+ ]
+
+ def get(self, request, vimid="", tenantid="", imageid=""):
+ logger.info("vimid, tenantid, imageid > %s,%s,%s" % (vimid, tenantid, imageid))
+ logger.debug("META, data> %s" % (request.META, request.data))
+
+ if not imageid or imageid == "":
+ msg = {
+ 'error': "Operation image/file list is not available"
+ }
+
+ self._logger.warn("RESP with status, msg> %s , %s"
+ %(status, status.HTTP_404_NOT_FOUND))
+
+ return Response(data=msg,
+ status=status.HTTP_404_NOT_FOUND)
+
+ try:
+ # download image
+ status_code = status.HTTP_200_OK
+
+ return Response(data={'error':'to be implemented'}, status=status_code)
+ except VimDriverNewtonException as e:
+ return Response(data={'error': e.content}, status=e.status_code)
+ except HttpError as e:
+ logger.error("HttpError: status:%s, response:%s" % (e.http_status, e.response.json()))
+ return Response(data=e.response.json(), status=e.http_status)
+ except Exception as e:
+ logger.error(traceback.format_exc())
+ return Response(data={'error': str(e)},
+ status=status.HTTP_500_INTERNAL_SERVER_ERROR)
+
+ def get_images(self, query="", vimid="", tenantid="", imageid=""):
+
+ # prepare request resource to vim instance
+ req_resouce = "v2/images"
+ if imageid:
+ req_resouce += "/%s" % imageid
+ elif query:
+ req_resouce += "?%s" % query
+
+ vim = VimDriverUtils.get_vim_info(vimid)
+ sess = VimDriverUtils.get_session(vim, tenantid)
+ resp = sess.get(req_resouce, endpoint_filter=self.service)
+ content = resp.json()
+ vim_dict = {
+ "vimName": vim["name"],
+ "vimId": vim["vimId"],
+ "tenantId": tenantid,
+ }
+ content.update(vim_dict)
+
+ if not imageid:
+ # convert the key naming in images
+ for image in content["images"]:
+ VimDriverUtils.replace_key_by_mapping(image,
+ self.keys_mapping)
+ else:
+ # convert the key naming in the image specified by id
+ #image = content.pop("image", None)
+ VimDriverUtils.replace_key_by_mapping(content,
+ self.keys_mapping)
+ #content.update(image)
+
+ return content, resp.status_code
+
+ def post(self, request, vimid="", tenantid="", imageid=""):
+ logger.info("vimid, tenantid, imageid > %s,%s,%s" % (vimid, tenantid, imageid))
+ logger.debug("META, data> %s" % (request.META, request.data))
+
+
+ if imageid and imageid != "":
+ msg = {
+ 'error': "Operation image/file create with image id is not available"
+ }
+
+ self._logger.warn("RESP with status, msg> %s , %s"
+ %(status, status.HTTP_404_NOT_FOUND))
+
+ return Response(data=msg,
+ status=status.HTTP_404_NOT_FOUND)
+
+ try:
+ # get file name
+ image_file = request.FILES['file']
+
+ # check if created already: check name
+ query = "name=%s" % image_file.name
+ content, status_code = Images.get_images(query, vimid, tenantid)
+ existed = False
+ if status_code == 200:
+ for image in content["images"]:
+ if image["name"] == image_file.name:
+ existed = True
+ break
+ if existed == True:
+ vim_dict = {
+ "returnCode": 0,
+ }
+ return Response(data=image, status=status_code)
+
+ # not exist, download to temp file
+ file_name = image_file.name[:image_file.name.rfind('.')]
+ f = tempfile.NamedTemporaryFile(prefix="django_",
+ suffix=file_name,
+ delete=False)
+ for chunk in image_file.chunks():
+ f.write(chunk)
+
+ #upload to openstack
+ image_type = image_file.name[image_file.name.find('.') + 1:]
+
+ # prepare request resource to vim instance
+ req_resouce = "v2/images"
+
+ vim = VimDriverUtils.get_vim_info(vimid)
+ sess = VimDriverUtils.get_session(vim, tenantid)
+ image = {}
+ #req_body = json.JSONEncoder().encode({"image": image})
+ req_body = json.JSONEncoder().encode(image)
+ resp = sess.post(req_resouce, data=req_body,
+ endpoint_filter=self.service)
+ #resp_body = resp.json()["image"]
+ resp_body = resp.json()
+
+ #launch a thread to download image and upload to VIM
+ if resp.status_code == 201:
+ imageid = resp_body["id"]
+ logger.info("upload image: %s" % imageid)
+ self.transfer_image(vimid, tenantid, imageid, f)
+ logger.info("request '%s' success" % (req_resouce))
+ else:
+ logger.info("request '%s' failed with status: %s" % (req_resouce, resp.status_code))
+
+ return Response(data=resp_body, status=resp.status_code)
+ except VimDriverNewtonException as e:
+ return Response(data={'error': e.content}, status=e.status_code)
+ except HttpError as e:
+ logger.error("HttpError: status:%s, response:%s" % (e.http_status, e.response.json()))
+ return Response(data=e.response.json(), status=e.http_status)
+ except Exception as e:
+ logger.error(traceback.format_exc())
+ return Response(data={'error': str(e)},
+ status=status.HTTP_500_INTERNAL_SERVER_ERROR)
+
+ finally:
+ f.close()
+ os.remove(f.name)
+
+ def transfer_image(self, vimid, tenantid, imageid, imagefd):
+ logger.debug("vimid, tenantid, imageid > %s,%s,%s" % (vimid, tenantid, imageid))
+
+ try:
+ # prepare request resource to vim instance
+ req_resouce = "v2/images/%s/file" % imageid
+
+ vim = VimDriverUtils.get_vim_info(vimid)
+ sess = VimDriverUtils.get_session(vim, tenantid)
+
+ #open imageurl
+ resp = sess.put(req_resouce, endpoint_filter=self.service, data=imagefd.read(),
+ headers={"Content-Type": "application/octet-stream",
+ "Accept": ""})
+
+ logger.debug("response status code of transfer_image %s" % resp.status_code)
+ return None
+ except HttpError as e:
+ logger.error("transfer_image, HttpError: status:%s, response:%s" % (e.http_status, e.response.json()))
+ return None
+ except Exception as e:
+ logger.error(traceback.format_exc())
+ logger.error("Failed to transfer_image:%s" % str(e))
+ return None