Add common base weigher/weigher handler for filter scheduler

Filter scheduler is being used for more than one core projects (Nova
and Cinder as of writing), the implementation shared a lot of common
code. This patch is to move base weigher (weighing function), weigher
handler for filter scheduler into oslo to reduce possible porting.

implement bp: common-weights

Change-Id: I2d1b37438663b53e035cc262875a283e5e2ee970

1 files changed, 6 insertions, 0 deletions

diff --git a/setup.py b/setup.py
index 5ffb824..1a388ac 100644
--- a/setup.py
+++ b/setup.py
@@ -33,6 +33,11 @@ filters = [
     "openstack.common.scheduler.filters.json_filter:JsonFilter",
 ]
 
+weights = [
+    "FakeWeigher1 = tests.unit.fakes:FakeWeigher1",
+    "FakeWeigher2 = tests.unit.fakes:FakeWeigher2",
+]
+
 setuptools.setup(
     name='openstack.common',
     version=setup.get_post_version('openstack'),
@@ -60,6 +65,7 @@ setuptools.setup(
     setup_requires=['setuptools-git>=0.4'],
     entry_points={
         "openstack.common.scheduler.filters": filters,
+        "openstack.common.tests.fakes.weights": weights,
     },
     namespace_packages=['openstack'],
 )