kubernetes-1.31: support kubelet configuration drop-ins

Add directory for kubelet configuration drop-ins and configure kubelet
to use it for sourcing configuration.

Signed-off-by: Gavin Inglis <[email protected]>

Author: ginglis13

packages/kubernetes-1.31/kubelet-exec-start-conf

@@ -34,5 +34,6 @@ ExecStart=/usr/bin/kubelet \
 {{#if settings.kubernetes.log-level includeZero=true}}
     -v {{settings.kubernetes.log-level}} \
 {{/if}}
+    --config-dir=/etc/kubernetes/kubelet/config.d \
     --pod-infra-container-image localhost/kubernetes/pause:0.1.0 \
     --runtime-cgroups=/runtime.slice/containerd.service

packages/kubernetes-1.31/kubernetes-tmpfiles.conf

@@ -5,3 +5,4 @@ r! /var/lib/kubelet/cpu_manager_state
 L /etc/kubernetes/node-feature-discovery/features.d - - - - /var/lib/kubelet/node-feature-discovery/features.d
 d /opt/csi/mountpoint-s3 - - - -
 L+ /opt/mountpoint-s3-csi - - - - /opt/csi/mountpoint-s3
+d /etc/kubernetes/kubelet/config.d - - - -