kustomize: topology-updater: enable the configuration via kustomization

Add a kustomization file with a config example for the exclude-list.

Signed-off-by: Talor Itzhak <titzhak@redhat.com>

deployment/components/topology-updater-config/kustomization.yaml

@@ -0,0 +1,10 @@
+apiVersion: kustomize.config.k8s.io/v1alpha1
+kind: Component
+
+generatorOptions:
+  disableNameSuffixHash: true
+
+configMapGenerator:
+- files:
+  - nfd-topology-updater.conf=nfd-topology-updater.conf.example
+  name: nfd-topology-updater-conf

deployment/components/topology-updater-config/nfd-topology-updater.conf.example

@@ -0,0 +1,7 @@
+## key = node name, value = list of resources to be excluded.
+## use * to exclude from all nodes.
+## an example for how the exclude list should looks like
+#excludeList:
+#  node1: [cpu]
+#  node2: [memory, example/deviceA]
+#  *: [hugepages-2Mi]

deployment/components/topology-updater/topologyupdater-mounts.yaml

@@ -10,6 +10,9 @@
   - name: kubelet-podresources-sock
     hostPath:
       path: /var/lib/kubelet/pod-resources/kubelet.sock
+  - name: nfd-topology-updater-conf
+    configMap:
+      name: nfd-topology-updater-conf
 
 - op: add
   path: /spec/template/spec/containers/0/volumeMounts
@@ -20,6 +23,9 @@
     mountPath: /host-var/lib/kubelet/pod-resources/kubelet.sock
   - name: host-sys
     mountPath: /host-sys
+  - name: nfd-topology-updater-conf
+    mountPath: "/etc/kubernetes/node-feature-discovery"
+    readOnly: true
 
 - op: add
   path: /spec/template/spec/containers/0/args/-

deployment/overlays/master-worker-topologyupdater/kustomization.yaml

@@ -19,3 +19,4 @@ components:
 - ../../components/worker-config
 - ../../components/common
 - ../../components/topology-updater
+- ../../components/topology-updater-config

deployment/overlays/topologyupdater/kustomization.yaml

@@ -16,3 +16,4 @@ resources:
 components:
 - ../../components/common
 - ../../components/topology-updater
+- ../../components/topology-updater-config