I have install the Grafan in my Kubenernetes 1.9 cluster. When I access with my ingress URL (http://sample.com/grafana/ ) getting the first page. After that javascript, css download not adding /grafana to the URL.
here is my ingress rule:
apiVersion: extensions/v1beta1
kind: Ingress
metadata:
  name: grafana-ingress-v1
  namespace: monitoring
  annotations:
    ingress.kubernetes.io/rewrite-target: /
    kubernetes.io/ingress.class: nginx
spec:
  tls:
  - hosts:
    - sample.com
    secretName: ngerss-tls
  rules:
  - host: sample.com
    http:
      paths:
      - path: /grafana/
        backend:
          serviceName: grafana-grafana
          servicePort: 80