Upgrade API for capacity_check

Change-Id: If53c734294907eb4a4d108a2c7e81d537c53eb8f
Issue-ID: MULTICLOUD-297
Signed-off-by: Bin Yang <bin.yang@windriver.com>

1 files changed, 20 insertions, 0 deletions

diff --git a/share/common/msapi/extsys.py b/share/common/msapi/extsys.py
index 772a526e..c0cc7f27 100644
--- a/share/common/msapi/extsys.py
+++ b/share/common/msapi/extsys.py
@@ -19,6 +19,7 @@ from common.utils import restcall
 
 logger = logging.getLogger(__name__)
 
+
 def get_vim_by_id(vim_id):
 
     cloud_owner,cloud_region_id = decode_vim_id(vim_id)
@@ -93,6 +94,25 @@ def delete_vim_by_id(vim_id):
     # return non zero if failed to decode cloud owner and region id
     return 1
 
+def encode_vim_id(cloud_owner, cloud_region_id):
+    '''
+    compose vim_id by cloud_owner and cloud_region, make sure the vimid can be converted back when talking to AAI,etc.
+    This is a backward compatibility design to reuse the existing implementation code
+    :param cloud_owner:
+    :param cloud_region:
+    :return:
+    '''
+
+    # since the {cloud_owner}/{cloud_region_id"} is globally unique, the concatenated one as below will be unique as well.
+    vim_id = cloud_owner + "_" + cloud_region_id
+
+    #other options:
+    #1, store it into cache so the decode and just look up the cache for decoding
+    #2, use other delimiter in case '_' is used by cloud owner/cloud region id
+    # , e.g. '.', '#', hence the decode need to try more than one time
+
+    return vim_id
+
 def decode_vim_id(vim_id):
     m = re.search(r'^([0-9a-zA-Z-]+)_([0-9a-zA-Z_-]+)$', vim_id)
     cloud_owner, cloud_region_id = m.group(1), m.group(2)