Deal with nfPackage

fetch nfPkg content

Change-Id: I35935a92105028b7b3750ceaff4f3f3cfacc9940
Issue-ID: VFC-1038
Signed-off-by: biancunkang <bian.cunkang@zte.com.cn>

2 files changed, 65 insertions, 25 deletions

diff --git a/catalog/packages/biz/vnf_package.py b/catalog/packages/biz/vnf_package.py
index 71ec697e..d251f3ba 100644
--- a/catalog/packages/biz/vnf_package.py
+++ b/catalog/packages/biz/vnf_package.py
@@ -21,6 +21,8 @@ import traceback
 import urllib2
 import uuid
 
+from rest_framework import status
+from django.http import FileResponse
 from catalog.pub.config.config import CATALOG_ROOT_PATH
 from catalog.pub.database.models import VnfPackageModel
 from catalog.pub.exceptions import CatalogException
@@ -164,3 +166,17 @@ def fill_response_data(nf_pkg):
     pkg_info["userDefinedData"] = json.JSONDecoder().decode(nf_pkg[0].userDefinedData)
     pkg_info["_links"] = None  # TODO
     return pkg_info
+
+
+def fetch_vnf_pkg(vnf_pkg_id):
+    nf_pkg = VnfPackageModel.objects.filter(vnfPackageId=vnf_pkg_id)
+    if not nf_pkg.exists():
+        raise CatalogException("VNF package (%s) does not exist" % vnf_pkg_id)
+    if nf_pkg[0].localFilePath != "ONBOARDED":
+        raise CatalogException("VNF package (%s) is not on-boarded" % vnf_pkg_id)
+    file_path = nf_pkg[0].localFilePath
+    file_name = file_path.split('/')[-1]
+    file_name = file_name.split('\\')[-1]
+    response = FileResponse(open(file_path, 'rb'), status=status.HTTP_200_OK)
+    response['Content-Disposition'] = 'attachment; filename=%s' % file_name.encode('utf-8')
+    return response
diff --git a/catalog/packages/views/vnf_package_views.py b/catalog/packages/views/vnf_package_views.py
index 7defc347..43ac26fa 100644
--- a/catalog/packages/views/vnf_package_views.py
+++ b/catalog/packages/views/vnf_package_views.py
@@ -27,7 +27,7 @@ from catalog.packages.serializers.create_vnf_pkg_info_req import CreateVnfPkgInf
 from catalog.packages.serializers.vnf_pkg_info import VnfPkgInfoSerializer
 from catalog.packages.serializers.vnf_pkg_infos import VnfPkgInfosSerializer
 from catalog.packages.biz.vnf_package import create_vnf_pkg, query_multiple, VnfPkgUploadThread, \
-    query_single, delete_vnf_pkg, parse_vnfd_and_save
+    query_single, delete_vnf_pkg, parse_vnfd_and_save, fetch_vnf_pkg
 from catalog.pub.database.models import VnfPackageModel
 
 logger = logging.getLogger(__name__)
@@ -98,32 +98,56 @@ def vnf_packages_rc(request):
         status.HTTP_500_INTERNAL_SERVER_ERROR: "Internal error"
     }
 )
-@api_view(http_method_names=['PUT'])
+@swagger_auto_schema(
+    method="GET",
+    operation_description="Fetch VNF package content",
+    request_body=no_body,
+    responses={
+        status.HTTP_200_OK: VnfPkgInfosSerializer(),
+        status.HTTP_500_INTERNAL_SERVER_ERROR: "Internal error"
+    }
+)
+@api_view(http_method_names=["PUT", "GET"])
 def upload_vnf_pkg_content(request, vnfPkgId):
-    logger.debug("Upload VNF package %s" % vnfPkgId)
-    try:
-        vnf_pkg = VnfPackageModel.objects.filter(vnfPackageId=vnfPkgId)
-        if vnf_pkg[0].onboardingState != "CREATED":
-            raise CatalogException("VNF package (%s) is not created" % vnfPkgId)
-        file_object = request.FILES.get('file')
-        upload_path = os.path.join(CATALOG_ROOT_PATH, vnfPkgId)
-        if not os.path.exists(upload_path):
-            os.makedirs(upload_path, 0o777)
-
-        upload_file_name = os.path.join(upload_path, file_object.name)
-        with open(upload_file_name, 'wb+') as dest_file:
-            for chunk in file_object.chunks():
-                dest_file.write(chunk)
-
-        parse_vnfd_and_save(vnfPkgId, upload_file_name)
-        return Response(None, status=status.HTTP_202_ACCEPTED)
-    except CatalogException:
+    if request.method == "PUT":
+        logger.debug("Upload VNF package %s" % vnfPkgId)
+        try:
+            vnf_pkg = VnfPackageModel.objects.filter(vnfPackageId=vnfPkgId)
+            if vnf_pkg[0].onboardingState != "CREATED":
+                raise CatalogException("VNF package (%s) is not created" % vnfPkgId)
+            file_object = request.FILES.get('file')
+            upload_path = os.path.join(CATALOG_ROOT_PATH, vnfPkgId)
+            if not os.path.exists(upload_path):
+                os.makedirs(upload_path, 0o777)
+
+            upload_file_name = os.path.join(upload_path, file_object.name)
+            with open(upload_file_name, 'wb+') as dest_file:
+                for chunk in file_object.chunks():
+                    dest_file.write(chunk)
+
+            parse_vnfd_and_save(vnfPkgId, upload_file_name)
+            return Response(None, status=status.HTTP_202_ACCEPTED)
+        except CatalogException:
+                logger.error(traceback.format_exc())
+                return Response(data={'error': 'Upload VNF package failed.'},
+                                status=status.HTTP_500_INTERNAL_SERVER_ERROR)
+        except Exception as e:
+            logger.error(e.message)
             logger.error(traceback.format_exc())
-            return Response(data={'error': 'Upload VNF package failed.'}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
-    except Exception as e:
-        logger.error(e.message)
-        logger.error(traceback.format_exc())
-        return Response(data={'error': 'unexpected exception'}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
+            return Response(data={'error': 'unexpected exception'}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
+
+    if request.method == "GET":
+        try:
+            response = fetch_vnf_pkg(vnfPkgId)
+            return response
+        except CatalogException:
+            logger.error(traceback.format_exc())
+            return Response(data={'error': 'Fetch VNF package failed.'},
+                            status=status.HTTP_500_INTERNAL_SERVER_ERROR)
+        except Exception as e:
+            logger.error(e.message)
+            logger.error(traceback.format_exc())
+            return Response(data={'error': 'unexpected exception'}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 
 
 @swagger_auto_schema(