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# Copyright (c) 2017 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
from six.moves import urllib
import threading
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 common.msapi import extsys
logger = logging.getLogger(__name__)
running_threads = {}
running_thread_lock = threading.Lock()
class ImageThread (threading.Thread):
service = {'service_type': 'image',
'interface': 'public'}
def __init__(self, vimid, tenantid, imageid, imagefd):
threading.Thread.__init__(self)
self.vimid = vimid
self.tenantid = tenantid
self.imageid = imageid
self.imagefd = imagefd
def run(self):
logger.debug("start ImageThread %s, %s, %s" % (self.vimid, self.tenantid, self.imageid))
self.transfer_image(self.vimid, self.tenantid, self.imageid, self.imagefd)
logger.debug("stop ImageThread %s, %s, %s" % (self.vimid, self.tenantid, self.imageid))
running_thread_lock.acquire()
running_threads.pop(self.imageid)
running_thread_lock.release()
def transfer_image(self, vimid, tenantid, imageid, imagefd):
logger.info("vimid, tenantid, imageid, imagefd = %s,%s,%s,%s" % (vimid, tenantid, imageid, imagefd))
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)
self.service['region_name'] = vim['openstack_region_id']\
if vim.get('openstack_region_id')\
else vim['cloud_region_id']
# open imageurl
logger.info("making image put request with URI:%s" % req_resouce)
resp = sess.put(req_resouce, endpoint_filter=self.service, data=imagefd.read(),
headers={"Content-Type": "application/octet-stream",
"Accept": ""})
logger.info("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
class Images(APIView):
service = {'service_type': 'image',
'interface': 'public'}
keys_mapping = [
("project_id", "tenantId"),
("disk_format", "imageType"),
("container_format", "containerFormat")
]
def __init__(self):
super(Images, self).__init__()
self._logger = logger
def get(self, request, vimid="", tenantid="", imageid=""):
logger.info("vimid, tenantid, imageid = %s,%s,%s" % (vimid, tenantid, imageid))
try:
# prepare request resource to vim instance
query = VimDriverUtils.get_query_part(request)
content, status_code = self._get_images(query, vimid, tenantid, imageid)
return Response(data=content, status=status_code)
except VimDriverNewtonException as e:
logger.error("response with status = %s" % e.status_code)
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=""):
logger.info("vimid, tenantid, imageid, query = %s,%s,%s,%s" % (vimid, tenantid, imageid, query))
# 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)
self.service['region_name'] = vim['openstack_region_id'] \
if vim.get('openstack_region_id') \
else vim['cloud_region_id']
logger.info("making request with URI:%s" % req_resouce)
resp = sess.get(req_resouce, endpoint_filter=self.service)
logger.info("request returns with status %s" % resp.status_code)
if resp.status_code == status.HTTP_200_OK:
logger.debug("with content:%s" % resp.json())
pass
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))
if request.data:
logger.debug("With data = %s" % request.data)
pass
try:
# check if created already: check name
query = "name=%s" % request.data["name"]
content, status_code = self._get_images(query, vimid, tenantid)
existed = False
if status_code == 200:
for image in content["images"]:
if image["name"] == request.data["name"]:
existed = True
break
if existed == True:
vim_dict = {
"returnCode": 0,
}
image.update(vim_dict)
return Response(data=image, status=status_code)
imageurl = request.data.pop("imagePath", None)
imagefd = None
if not imageurl:
return Response(data={'error': 'imagePath is not specified'}, status=500)
# valid image url
imagefd = urllib.request.urlopen(imageurl)
if not imagefd:
logger.debug("image is not available at %s" % imageurl)
return Response(data={'error': 'cannot access to specified imagePath'}, status=500)
# prepare request resource to vim instance
req_resouce = "v2/images"
vim = VimDriverUtils.get_vim_info(vimid)
sess = VimDriverUtils.get_session(vim, tenantid)
image = request.data
VimDriverUtils.replace_key_by_mapping(image,
self.keys_mapping, True)
# req_body = json.JSONEncoder().encode({"image": image})
req_body = json.JSONEncoder().encode(image)
self.service['region_name'] = vim['openstack_region_id'] \
if vim.get('openstack_region_id') \
else vim['cloud_region_id']
logger.info("making request with URI:%s" % req_resouce)
logger.debug("with data:%s" % req_body)
resp = sess.post(req_resouce, data=req_body,
endpoint_filter=self.service)
# resp_body = resp.json()["image"]
resp_body = resp.json()
VimDriverUtils.replace_key_by_mapping(resp_body, self.keys_mapping)
vim_dict = {
"vimName": vim["name"],
"vimId": vim["vimId"],
"tenantId": tenantid,
"returnCode": 1,
}
resp_body.update(vim_dict)
# launch a thread to download image and upload to VIM
if resp.status_code == 201:
imageid = resp_body["id"]
logger.debug("launch thread to upload image: %s" % imageid)
tmp_thread = ImageThread(vimid, tenantid,imageid,imagefd)
running_thread_lock.acquire()
running_threads[imageid] = tmp_thread
running_thread_lock.release()
tmp_thread.start()
else:
logger.debug("resp.status_code: %s" % resp.status_code)
logger.info("request returns with status %s" % resp.status_code)
return Response(data=resp_body, status=resp.status_code)
except VimDriverNewtonException as e:
logger.error("response with status = %s" % e.status_code)
return Response(data={'error': e.content}, status=e.status_code)
except urllib.error.URLError as e:
return Response(data={'error': 'image is not accessible:%s' % str(e)},
status=status.HTTP_500_INTERNAL_SERVER_ERROR)
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 delete(self, request, vimid="", tenantid="", imageid=""):
logger.info("vimid, tenantid, imageid = %s,%s,%s" % (vimid, tenantid, imageid))
try:
# prepare request resource to vim instance
req_resouce = "v2/images"
if imageid:
req_resouce += "/%s" % imageid
vim = VimDriverUtils.get_vim_info(vimid)
sess = VimDriverUtils.get_session(vim, tenantid)
self.service['region_name'] = vim['openstack_region_id'] \
if vim.get('openstack_region_id') \
else vim['cloud_region_id']
logger.info("making request with URI:%s" % req_resouce)
resp = sess.delete(req_resouce, endpoint_filter=self.service)
logger.info("request returns with status %s" % resp.status_code)
return Response(status=resp.status_code)
except VimDriverNewtonException as e:
logger.error("response with status = %s" % e.status_code)
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)
class APIv1Images(Images):
def __init__(self):
super(APIv1Images, self).__init__()
self._logger = logger
def get(self, request, cloud_owner="", cloud_region_id="", tenantid="", imageid=""):
self._logger.info("%s, %s" % (cloud_owner, cloud_region_id))
vimid = extsys.encode_vim_id(cloud_owner, cloud_region_id)
return super(APIv1Images, self).get(request, vimid, tenantid, imageid)
def post(self, request, cloud_owner="", cloud_region_id="", tenantid="", imageid=""):
self._logger.info("%s, %s" % (cloud_owner, cloud_region_id))
vimid = extsys.encode_vim_id(cloud_owner, cloud_region_id)
return super(APIv1Images, self).post(request, vimid, tenantid, imageid)
def delete(self, request, cloud_owner="", cloud_region_id="", tenantid="", imageid=""):
self._logger.info("%s, %s" % (cloud_owner, cloud_region_id))
vimid = extsys.encode_vim_id(cloud_owner, cloud_region_id)
return super(APIv1Images, self).delete(request, vimid, tenantid, imageid)
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