Merge "kuberntes: Disable the scale_manager for scale down"

magnum/drivers/k8s_coreos_v1/driver.py

@@ -13,7 +13,6 @@
 # under the License.
 
 from magnum.drivers.common import k8s_monitor
-from magnum.drivers.common.k8s_scale_manager import K8sScaleManager
 from magnum.drivers.heat import driver
 from magnum.drivers.k8s_coreos_v1 import template_def
 
@@ -35,4 +34,7 @@ class Driver(driver.HeatDriver):
         return k8s_monitor.K8sMonitor(context, cluster)
 
     def get_scale_manager(self, context, osclient, cluster):
-        return K8sScaleManager(context, osclient, cluster)
+        # FIXME: Until the kubernetes client is fixed, remove
+        # the scale_manager.
+        # https://bugs.launchpad.net/magnum/+bug/1746510
+        return None

magnum/drivers/k8s_fedora_atomic_v1/driver.py

@@ -13,7 +13,6 @@
 # under the License.
 
 from magnum.drivers.common import k8s_monitor
-from magnum.drivers.common.k8s_scale_manager import K8sScaleManager
 from magnum.drivers.heat import driver
 from magnum.drivers.k8s_fedora_atomic_v1 import template_def
 
@@ -35,4 +34,7 @@ class Driver(driver.HeatDriver):
         return k8s_monitor.K8sMonitor(context, cluster)
 
     def get_scale_manager(self, context, osclient, cluster):
-        return K8sScaleManager(context, osclient, cluster)
+        # FIXME: Until the kubernetes client is fixed, remove
+        # the scale_manager.
+        # https://bugs.launchpad.net/magnum/+bug/1746510
+        return None

magnum/drivers/k8s_fedora_ironic_v1/driver.py

@@ -13,7 +13,6 @@
 # under the License.
 
 from magnum.drivers.common import k8s_monitor
-from magnum.drivers.common.k8s_scale_manager import K8sScaleManager
 from magnum.drivers.heat import driver
 from magnum.drivers.k8s_fedora_ironic_v1 import template_def
 
@@ -35,4 +34,7 @@ class Driver(driver.HeatDriver):
         return k8s_monitor.K8sMonitor(context, cluster)
 
     def get_scale_manager(self, context, osclient, cluster):
-        return K8sScaleManager(context, osclient, cluster)
+        # FIXME: Until the kubernetes client is fixed, remove
+        # the scale_manager.
+        # https://bugs.launchpad.net/magnum/+bug/1746510
+        return None

releasenotes/notes/broken-kuberenetes-client-d2d1da6029825208.yaml

@@ -10,6 +10,10 @@ issues:
     task uses the kubernetes client for kubernetes clusters and it crashes
     the sync_cluster_status and send_cluster_metrics tasks.
     https://bugs.launchpad.net/magnum/+bug/1746510
+    Additionally, the kubernetes scale manager needs to be disabled
+    to not break the scale down command completely. Note, that when magnum
+    scales down the cluster will pick the nodes to scale randomly.
+
 upgrade:
   - |
     In magnum configuration, in [drivers] set send_cluster_metrics = False to