Drop Ephemeral Container feature gate

README.md

@@ -170,7 +170,6 @@ instruction shows how to upgrade the existing Kubernetes cluster to
 | KRD_NDOTS                            | 1              | Threshold for the number of dots which must appear in name resolution           |
 | KRD_RESOLVCONF_MODE                  | none           | Specifies the DNS setup for non-k8s containers.                                 |
 | KRD_KUBE_PROXY_SCHEDULER             | sh             | Specifies the [IPVS scheduling algorithm][7] for allocating connections         |
-| KRD_EPHEMERAL_CONTAINERS_ENABLED     | true           | Enable/Disable [Ephemeral Containers][21]                                       |
 | KRD_METALLB_ENABLED                  | false          | Enable/Disable [MetalLB load-balancer][22]                                      |
 | KRD_METALLB_ADDRESS_POOLS_LIST       |                | Specifies a lists of Layer 2 Address pools for MetalLB                          |
 | KRD_KUBERNETES_AUDIT                 | false          | Enable/Disable [Auditing][23]                                                   |
@@ -215,7 +214,6 @@ Thanks to all the people who already contributed!
 [18]: https://github.com/containers/crun
 [19]: https://metallb.universe.tf/
 [20]: https://github.com/kubernetes-sigs/sig-storage-local-static-provisioner
-[21]: https://kubernetes.io/docs/concepts/workloads/pods/ephemeral-containers/
 [22]: https://metallb.universe.tf/
 [23]: https://kubernetes.io/docs/tasks/debug-application-cluster/audit/
 [24]: https://kubernetes.io/docs/concepts/cluster-administration/logging/

defaults.env

@@ -47,7 +47,6 @@ export KRD_ENABLE_NODELOCALDNS=${KRD_ENABLE_NODELOCALDNS:-true}
 export KRD_NDOTS=${KRD_NDOTS:-1}
 export KRD_RESOLVCONF_MODE=${KRD_RESOLVCONF_MODE:-none}
 export KRD_KUBE_PROXY_SCHEDULER=${KRD_KUBE_PROXY_SCHEDULER:-sh}
-export KRD_EPHEMERAL_CONTAINERS_ENABLED=${KRD_EPHEMERAL_CONTAINERS_ENABLED:-true}
 export KRD_METALLB_ENABLED=${KRD_METALLB_ENABLED:-false}
 export KRD_METALLB_ADDRESS_POOLS_LIST=${KRD_METALLB_ADDRESS_POOLS_LIST:-10.10.16.110-10.10.16.120,10.10.16.240-10.10.16.250}
 export KRD_KUBERNETES_AUDIT=${KRD_KUBERNETES_AUDIT:-false}

k8s-cluster.tpl

@@ -153,8 +153,7 @@ resolvconf_mode: $KRD_RESOLVCONF_MODE
 # nq: Never Queue assigns an incoming job to an idle server if there is, instead of waiting for a fast one; if all the servers are busy, it adopts the Shortest Expected Delay policy to assign the job.
 kube_proxy_scheduler: $KRD_KUBE_PROXY_SCHEDULER
 
-kube_feature_gates:
-  - EphemeralContainers=$KRD_EPHEMERAL_CONTAINERS_ENABLED # Ability to add ephemeral containers to running pods.
+kube_feature_gates: []
 
 # configure arp_ignore and arp_announce to avoid answering ARP queries from kube-ipvs0 interface
 # must be set to true for MetalLB to work