Disable init container injection for ray

When istio is enabled, the kuberay-operator must disable the init
container injection.

See https://docs.ray.io/en/latest/cluster/kubernetes/k8s-ecosystem/istio.html#step-3-optional-enable-istio-mtls-strict-mode

Signed-off-by: Michael Fraenkel <929377+fraenkel@users.noreply.github.com>

contrib/ray/kuberay-operator/overlays/kubeflow/disable-injection.yaml

@@ -0,0 +1,13 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: kuberay-operator
+  namespace: kubeflow
+spec:
+  template:
+    spec:
+      containers:
+      - name: kuberay-operator
+        env:
+        - name: ENABLE_INIT_CONTAINER_INJECTION
+          value: "false"

contrib/ray/kuberay-operator/overlays/kubeflow/kustomization.yaml

@@ -1,3 +1,6 @@
 namespace: kubeflow
 resources:
 - ../../base
+
+patches:
+- path: disable-injection.yaml

contrib/ray/test.sh

@@ -33,7 +33,7 @@ kubectl label namespace $NAMESPACE istio-injection=enabled
 kubectl get namespaces --selector=istio-injection=enabled
 
 # Install KubeRay operator
-kustomize build kuberay-operator/overlays/standalone | kubectl -n kubeflow apply --server-side -f -
+kustomize build kuberay-operator/overlays/kubeflow | kubectl -n kubeflow apply --server-side -f -
 
 # Wait for the operator to be ready.
 kubectl -n kubeflow wait --for=condition=available --timeout=600s deploy/kuberay-operator
@@ -87,4 +87,4 @@ for ((i=0; i<TIMEOUT; i+=SLEEP_INTERVAL)); do
 done
 
 # Delete KubeRay operator
-kustomize build kuberay-operator/base | kubectl -n kubeflow delete -f -
+kustomize build kuberay-operator/base | kubectl -n kubeflow delete -f -