Merge pull request #6960 from zalando-incubator/MaxUnavailableStatefulSet-cotroller-manager

Add MaxUnavailableStatefulSet feature flag to controller-manager

Author: mikkeloscar

cluster/node-pools/master-default/userdata.yaml

@@ -601,7 +601,7 @@ write_files:
           - --root-ca-file=/etc/kubernetes/ssl/ca.pem
           - --cloud-provider=aws
           - --cloud-config=/etc/kubernetes/cloud-config.ini
-          - --feature-gates=StatefulSetAutoDeletePVC={{ .Cluster.ConfigItems.enable_statefulset_autodelete_pvc }},TopologyAwareHints={{ .Cluster.ConfigItems.enable_topology_aware_hints }},CronJobTimeZone={{.Cluster.ConfigItems.cronjob_time_zone_enabled}}
+          - --feature-gates=StatefulSetAutoDeletePVC={{ .Cluster.ConfigItems.enable_statefulset_autodelete_pvc }},TopologyAwareHints={{ .Cluster.ConfigItems.enable_topology_aware_hints }},CronJobTimeZone={{.Cluster.ConfigItems.cronjob_time_zone_enabled}},MaxUnavailableStatefulSet={{.Cluster.ConfigItems.max_unavailable_statefulset_enabled}}
           - --use-service-account-credentials=true
           - --configure-cloud-routes=false
           - --allocate-node-cidrs=true