update the logic to distribute service from sdc.

1. Call /sdc/v1/catalog/{assetType}/{uuid}/metadata to get service metadata by given uuid.
2. Check if related resources exist before download CSAR package.

Change-Id: I6ea5b9f5d2844b232901ce83eedb574f5bd3d552
Issue-ID: MODELING-189
Signed-off-by: dyh <dengyuanhong@chinamobile.com>

1 files changed, 17 insertions, 3 deletions

diff --git a/genericparser/pub/msapi/sdc.py b/genericparser/pub/msapi/sdc.py
index e95c1ca..81715de 100644
--- a/genericparser/pub/msapi/sdc.py
+++ b/genericparser/pub/msapi/sdc.py
@@ -16,10 +16,10 @@ import json
 import logging
 import os
 
+from genericparser.pub.config.config import SDC_BASE_URL, SDC_USER, SDC_PASSWD
 from genericparser.pub.exceptions import GenericparserException
-from genericparser.pub.utils import restcall
 from genericparser.pub.utils import fileutil
-from genericparser.pub.config.config import SDC_BASE_URL, SDC_USER, SDC_PASSWD
+from genericparser.pub.utils import restcall
 
 logger = logging.getLogger(__name__)
 
@@ -77,12 +77,26 @@ def get_artifact(asset_type, csar_id):
         if artifact["uuid"] == csar_id:
             if asset_type == ASSETTYPE_SERVICES and \
                     artifact.get("distributionStatus", None) != DISTRIBUTED:
-                raise GenericparserException("The artifact (%s,%s) is not distributed from sdc." % (asset_type, csar_id))
+                raise GenericparserException(
+                    "The artifact (%s,%s) is not distributed from sdc." % (asset_type, csar_id))
             else:
                 return artifact
     raise GenericparserException("Failed to query artifact(%s,%s) from sdc." % (asset_type, csar_id))
 
 
+def get_asset(asset_type, uuid):
+    resource = "/sdc/v1/catalog/{assetType}/{uuid}/metadata".format(assetType=asset_type, uuid=uuid)
+    ret = call_sdc(resource, "GET")
+    if ret[0] != 0:
+        logger.error("Status code is %s, detail is %s.", ret[2], ret[1])
+        raise GenericparserException("Failed to get asset(%s, %s) from sdc." % (asset_type, uuid))
+    asset = json.JSONDecoder().decode(ret[1])
+    if asset.get("distributionStatus", None) != DISTRIBUTED:
+        raise GenericparserException("The asset (%s,%s) is not distributed from sdc." % (asset_type, uuid))
+    else:
+        return asset
+
+
 def delete_artifact(asset_type, asset_id, artifact_id):
     resource = "/sdc/v1/catalog/{assetType}/{uuid}/artifacts/{artifactUUID}"
     resource = resource.format(assetType=asset_type, uuid=asset_id, artifactUUID=artifact_id)