X-Git-Url: https://osm.etsi.org/gitweb/?a=blobdiff_plain;f=src%2Femuvim%2Fapi%2Fsonata%2Fdummygatekeeper.py;h=69e5f3cc227b27c5d68276c4ac046bc0d4ac6d45;hb=f64595435d6ddca28f68ed88410c2fa49cbcfe1a;hp=766ec739bbccba34fd667774422985760d90a0f7;hpb=539b4ae41b4763e6b1df5ff723a86e579730ec0b;p=osm%2Fvim-emu.git

diff --git a/src/emuvim/api/sonata/dummygatekeeper.py b/src/emuvim/api/sonata/dummygatekeeper.py
index 766ec73..69e5f3c 100755
--- a/src/emuvim/api/sonata/dummygatekeeper.py
+++ b/src/emuvim/api/sonata/dummygatekeeper.py
@@ -164,7 +164,8 @@ class Service(object):
 
         # 3. compute placement of this service instance (adds DC names to VNFDs)
         if not GK_STANDALONE_MODE:
-            self._calculate_placement(FirstDcPlacement)
+            #self._calculate_placement(FirstDcPlacement)
+            self._calculate_placement(RoundRobinDcPlacement)
         # iterate over all vnfds that we have to start
         for vnfd in self.vnfds.itervalues():
             vnfi = None
@@ -502,6 +503,21 @@ class FirstDcPlacement(object):
             vnfd["dc"] = list(dcs.itervalues())[0]
 
 
+class RoundRobinDcPlacement(object):
+    """
+    Placement: Distribute VNFs across all available DCs in a round robin fashion.
+    """
+
+    def place(self, nsd, vnfds, dcs):
+        c = 0
+        dcs_list = list(dcs.itervalues()) 
+        for name, vnfd in vnfds.iteritems():
+            vnfd["dc"] = dcs_list[c % len(dcs_list)]
+            c += 1  # inc. c to use next DC
+
+
+
+
 """
 Resource definitions and API endpoints
 """