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-rw-r--r--lcm/lcm/nf/views/common.py14
1 files changed, 13 insertions, 1 deletions
diff --git a/lcm/lcm/nf/views/common.py b/lcm/lcm/nf/views/common.py
index 8f353694..57e6a621 100644
--- a/lcm/lcm/nf/views/common.py
+++ b/lcm/lcm/nf/views/common.py
@@ -98,6 +98,7 @@ def view_safe_call_with_log(logger):
def deal_vnf_action(logger, opt_type, opt_status, instid, req, req_serializer, act_task):
+ global CACHE_ETAG
logger.debug("%s--post::> %s, %s", opt_type, instid, req.data)
act_vnf_req_serializer = req_serializer(data=req.data)
@@ -115,13 +116,24 @@ def deal_vnf_action(logger, opt_type, opt_status, instid, req, req_serializer, a
if vnf_insts[0].status != 'INSTANTIATED':
raise NFLCMExceptionConflict("VNF(%s) is not INSTANTIATED." % instid)
+ req_etag = None
+ is_upd_vnf_opt = (opt_type == "UpdateVnf")
+ if is_upd_vnf_opt:
+ req_etag = req.META.get("HTTP_IF_MATCH")
+ logger.debug("req_etag=%s, CACHE_ETAG=%s", req_etag, CACHE_ETAG)
+ if req_etag != CACHE_ETAG:
+ raise NFLCMExceptionPreconditionFailed("Etag mismatch")
+
job_id = JobUtil.create_job('NF', opt_type, instid)
JobUtil.add_job_status(job_id, 0, "VNF_%s_READY" % opt_type)
vnf_insts.update(status=opt_status)
act_task(req.data, instid, job_id).start()
- return Response(data={"jobId": job_id}, status=status.HTTP_202_ACCEPTED)
+ resp = Response(data={"jobId": job_id}, status=status.HTTP_202_ACCEPTED)
+ if is_upd_vnf_opt:
+ resp["ETag"] = req_etag
+ return resp
def deal_indivdual_query(res_serializer, query_fun, *args):