Add precheck to inst vnf

Change-Id: Ifd7813126ffea3623a161c5b3295808e5fa283a4
Issue-ID: VFC-1306
Signed-off-by: fujinhua <fu.jinhua@zte.com.cn>

1 files changed, 3 insertions, 0 deletions

diff --git a/lcm/lcm/nf/views/instantiate_vnf_view.py b/lcm/lcm/nf/views/instantiate_vnf_view.py
index 80529b2d..23a979ae 100644
--- a/lcm/lcm/nf/views/instantiate_vnf_view.py
+++ b/lcm/lcm/nf/views/instantiate_vnf_view.py
@@ -24,6 +24,7 @@ from lcm.nf.serializers.instantiate_vnf_request import InstantiateVnfRequestSeri
 from lcm.nf.serializers.job_identifier import JobIdentifierSerializer

 from lcm.pub.exceptions import NFLCMException

 from lcm.pub.exceptions import NFLCMExceptionNotFound

+from lcm.pub.exceptions import NFLCMExceptionConflict

 from lcm.pub.utils.jobutil import JobUtil

 from lcm.pub.database.models import NfInstModel

 from .common import view_safe_call_with_log

@@ -50,6 +51,8 @@ class InstantiateVnfView(APIView):
         vnf_insts = NfInstModel.objects.filter(nfinstid=instanceid)

         if not vnf_insts.exists():

             raise NFLCMExceptionNotFound("VNF instanceid(%s) does not exist." % instanceid)

+        if vnf_insts[0].status == 'INSTANTIATED':

+            raise NFLCMExceptionConflict('VNF(%s) is already INSTANTIATED.' % instanceid)

 

         job_id = JobUtil.create_job('NF', 'INSTANTIATE', instanceid)

         JobUtil.add_job_status(job_id, 0, "INST_VNF_READY")