Update MutatingWebhookConfiguration: Switch from objectSelector to AdmissionWebhookMatchConditions (#2241)

Signed-off-by: lianghao208 <[email protected]>

Author: lianghao208

manifests/v1beta1/components/controller/controller.yaml

@@ -15,7 +15,6 @@ spec:
     metadata:
       labels:
         katib.kubeflow.org/component: controller
-        katib.kubeflow.org/metrics-collector-injection: disabled
       annotations:
         prometheus.io/scrape: "true"
         prometheus.io/port: "8080"

manifests/v1beta1/components/webhook/webhooks.yaml

@@ -60,16 +60,9 @@ webhooks:
     namespaceSelector:
       matchLabels:
         katib.kubeflow.org/metrics-collector-injection: enabled
-    # Once the AdmissionWebhookMatchConditions feature gate is enabled by default, we should switch to control based on userInfo.
-    # REF:
-    # - AdmissionWebhookMatchConditions: https://kubernetes.io/docs/reference/access-authn-authz/extensible-admission-controllers/#matching-requests-matchconditions
-    # - Tracking issue: https://github.com/kubeflow/katib/issues/2206
-    objectSelector:
-      matchExpressions:
-        - key: katib.kubeflow.org/metrics-collector-injection
-          operator: NotIn
-          values:
-            - disabled
+    matchConditions:
+      - name: 'exclude-katib-controller'
+        expression: 'request.userInfo.username != "system:serviceaccount:kubeflow:katib-controller"'
     rules:
       - apiGroups:
           - ""