I’am trying to create a Prometheus service using helm charts under "monitoring" namespace and I’ve enabled istio-injection for "monitoring"namespace

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I’ve configured istio components under “istio-system” namespace. For some reason, I’m not able to access Prometheus through “istio-ingressgateway” even after adding gateway service and virtual service.
Here is my virtual service and gateway config for prometheus routing:
apiVersion: networking.istio.io/v1alpha3
kind: Gateway
metadata:
name: istio-prometheus-gw
namespace: ns1 # Individual name (we’ll use this later in VirtualServer)
spec:
selector:
istio: ingressgateway # Specify the ingressgateway created for us
servers:

  • port:
    number: 80 # Service port to watch
    name: http
    protocol: HTTP
    hosts:
    • “" # Host to watch on, could be "”

apiVersion: networking.istio.io/v1alpha3
kind: VirtualService
metadata:
annotations:
name: istio-prometheus-vs
namespace: ns1
spec:
hosts:

  • “*”
    gateways:
  • istio-prometheus-gw
    http:
  • match:
    • uri:
      prefix: /prometheus-ns1
      route:
    • destination:
      host: prometheus-server
      port: