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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
from django.conf import settings
from rest_framework import status
from rest_framework.response import Response
from common.msapi import extsys
from common.msapi.helper import Helper as helper
from newton_base.resource import infra_workload as newton_infra_workload
from newton_base.resource import infra_workload_helper as infra_workload_helper
logger = logging.getLogger(__name__)
# global var: Audition thread
# the id is the workloadid, which implies post to workloadid1 followed by delete workloadid1
# will replace the previous backlog item
gInfraWorkloadThread = helper.MultiCloudThreadHelper()
class InfraWorkload(newton_infra_workload.InfraWorkload):
def __init__(self):
self._logger = logger
def post(self, request, vimid="", workloadid=""):
self._logger.info("vimid: %s, stackid:%s" % (vimid, workloadid))
self._logger.info("data: %s" % request.data)
self._logger.debug("META: %s" % request.META)
resp_template = {
"template_type": "HEAT",
"workload_id": workloadid,
"workload_status": "WORKLOAD_CREATE_FAIL",
"workload_status_reason": "Exception occurs"
}
try:
worker_self = infra_workload_helper.InfraWorkloadHelper(
settings.MULTICLOUD_API_V1_PREFIX,
settings.AAI_BASE_URL
)
if workloadid == "":
resp_template["workload_status"] = "WORKLOAD_CREATE_FAIL"
# post to create a new stack, stack id available only after creating a stack is done
progress_code, progress_status, progress_msg = worker_self.workload_create(vimid, request.data)
resp_template["workload_status"] = progress_status
resp_template["workload_status_reason"] = progress_msg
if progress_code == 0:
# update workload_id
stack = progress_msg
stackid = stack["id"]
resp_template["workload_id"] = stackid
status_code = status.HTTP_201_CREATED
else:
status_code = status.HTTP_400_BAD_REQUEST
return Response(data=resp_template, status=status_code)
# return super(InfraWorkload, self).post(request, vimid)
else:
resp_template["workload_status"] = "WORKLOAD_UPDATE_FAIL"
# a post to heatbridge
backlog_item = {
"id": workloadid,
"worker": worker_self.workload_update,
"payload": (worker_self, vimid, workloadid, request.data),
"repeat": 0, # one time job
# format of status: retcode:0 is ok, otherwise error code from http status, Status ENUM, Message
"status": (
0, "WORKLOAD_UPDATE_IN_PROGRESS",
"backlog to update workload %s pends to schedule" % workloadid
)
}
gInfraWorkloadThread.add(backlog_item)
if 0 == gInfraWorkloadThread.state():
gInfraWorkloadThread.start()
# now query the progress
backlog_item = gInfraWorkloadThread.get(workloadid)
if not backlog_item:
# backlog item not found
resp_template["workload_status_reason"] = \
"backlog to update workload %s " \
"into AAI is not found" % workloadid
return Response(
data=resp_template,
status=status.HTTP_500_INTERNAL_SERVER_ERROR
)
else:
progress = backlog_item.get("status",
(13, "WORKLOAD_DELETE_FAIL",
"Unexpected:status not found in backlog item")
)
progress_code = progress[0]
progress_status = progress[1]
progress_msg = progress[2]
resp_template["workload_status"] = progress_status
resp_template["workload_status_reason"] = progress_msg
return Response(data=resp_template,
status=status.HTTP_200_ACCEPTED
if progress_code == 0 else progress_code
)
except Exception as e:
errmsg = e.message
self._logger.error(errmsg)
resp_template["workload_status_reason"] = errmsg
return Response(data=resp_template,
status=status.HTTP_500_INTERNAL_SERVER_ERROR)
def get(self, request, vimid="", workloadid=""):
self._logger.info("vimid, workload id: %s, %s" % (vimid, workloadid))
self._logger.debug("META: %s" % request.META)
resp_template = {
"template_type": "HEAT",
"workload_id": workloadid,
"workload_status": "WORKLOAD_GET_FAIL",
"workload_status_reason": "Exception occurs"
}
try:
if workloadid == "":
resp_template["workload_status_reason"] = "workload id is not found in API url"
return Response(
data=resp_template,
status=status.HTTP_400_BAD_REQUEST
)
# now query the progress
status_code = status.HTTP_200_OK
backlog_item = gInfraWorkloadThread.get(workloadid)
if not backlog_item:
# backlog item not found, so check the stack status
worker_self = infra_workload_helper.InfraWorkloadHelper(
settings.MULTICLOUD_API_V1_PREFIX,
settings.AAI_BASE_URL
)
progress_code, progress_status, progress_msg = worker_self.workload_status(vimid, workloadid, None)
resp_template["workload_status"] = progress_status
resp_template["workload_status_reason"] = progress_msg
status_code = status.HTTP_200_OK\
if progress_code == 0 else progress_code
else:
progress = backlog_item.get("status",
(13, "WORKLOAD_DELETE_FAIL",
"Unexpected:status not found in backlog item")
)
progress_code = progress[0]
progress_status = progress[1]
progress_msg = progress[2]
# if gInfraWorkloadThread.expired(workloadid):
# gInfraWorkloadThread.remove(workloadid)
resp_template["workload_status"] = progress_status
resp_template["workload_status_reason"] = progress_msg
status_code = status.HTTP_200_OK\
if progress_code == 0 else progress_code
return Response(data=resp_template,
status=status_code
)
except Exception as e:
self._logger.error(e.message)
resp_template["workload_status_reason"] = e.message
return Response(data=resp_template,
status=status.HTTP_500_INTERNAL_SERVER_ERROR)
def delete(self, request, vimid="", workloadid=""):
self._logger.info("vimid, workload id: %s, %s" % (vimid, workloadid))
self._logger.debug("META: %s" % request.META)
resp_template = {
"template_type": "HEAT",
"workload_id": workloadid,
"workload_status": "WORKLOAD_DELETE_FAIL",
"workload_status_reason": "Exception occurs"
}
try:
if workloadid == "":
resp_template["workload_status_reason"] = "workload id is not found in API url"
return Response(
data=resp_template,
status=status.HTTP_400_BAD_REQUEST
)
# remove the stack object from vim
super(InfraWorkload, self).delete(request, vimid, workloadid)
# backlog for a post to heatbridge delete
worker_self = infra_workload_helper.InfraWorkloadHelper(
settings.MULTICLOUD_API_V1_PREFIX,
settings.AAI_BASE_URL
)
backlog_item = {
"id": workloadid,
"worker": worker_self.workload_delete,
"payload": (worker_self, vimid, workloadid, request.data),
"repeat": 0, # one time job
# format of status: retcode:0 is ok, otherwise error code from http status, Status ENUM, Message
"status": (
0, "WORKLOAD_DELETE_IN_PROGRESS",
"backlog for delete the workload %s "
"pends to schedule" % workloadid
)
}
gInfraWorkloadThread.add(backlog_item)
if 0 == gInfraWorkloadThread.state():
gInfraWorkloadThread.start()
# now query the progress
backlog_item = gInfraWorkloadThread.get(workloadid)
if not backlog_item:
# backlog item not found
resp_template["workload_status_reason"] = \
"backlog to remove the "\
"workload %s is not found" % workloadid
return Response(
data=resp_template,
status=status.HTTP_500_INTERNAL_SERVER_ERROR
)
else:
progress = backlog_item.get("status",
(13, "WORKLOAD_DELETE_FAIL",
"Unexpected:status not found in backlog item")
)
progress_code = progress[0]
progress_status = progress[1]
progress_msg = progress[2]
# if gInfraWorkloadThread.expired(workloadid):
# gInfraWorkloadThread.remove(workloadid)
resp_template["workload_status"] = progress_status
resp_template["workload_status_reason"] = progress_msg
return Response(data=resp_template,
status=status.HTTP_204_NO_CONTENT
if progress_code == 0 else progress_code
)
except Exception as e:
self._logger.error(e.message)
resp_template["workload_status_reason"] = e.message
return Response(data=resp_template,
status=status.HTTP_500_INTERNAL_SERVER_ERROR)
class APIv1InfraWorkload(InfraWorkload):
def __init__(self):
super(APIv1InfraWorkload, self).__init__()
# self._logger = logger
def post(self, request, cloud_owner="", cloud_region_id=""):
# self._logger.info("cloud owner, cloud region id, data: %s,%s, %s" %
# (cloud_owner, cloud_region_id, request.data))
# self._logger.debug("META: %s" % request.META)
vimid = extsys.encode_vim_id(cloud_owner, cloud_region_id)
return super(APIv1InfraWorkload, self).post(request, vimid)
def get(self, request, cloud_owner="", cloud_region_id="", requri=""):
# self._logger.info("cloud owner, cloud region id, data: %s,%s, %s" %
# (cloud_owner, cloud_region_id, request.data))
# self._logger.debug("META: %s" % request.META)
vimid = extsys.encode_vim_id(cloud_owner, cloud_region_id)
return super(APIv1InfraWorkload, self).get(request, vimid, requri)
def delete(self, request, cloud_owner="", cloud_region_id="", requri=""):
# self._logger.info("cloud owner, cloud region id, data: %s,%s, %s" %
# (cloud_owner, cloud_region_id, request.data))
# self._logger.debug("META: %s" % request.META)
vimid = extsys.encode_vim_id(cloud_owner, cloud_region_id)
return super(APIv1InfraWorkload, self).delete(request, vimid, requri)
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