"type": "prometheus",
        "uid": "${datasource}"
      },
      "fieldConfig": {
        "defaults": {
          "color": {
            "mode": "palette-classic"
          },
          "custom": {
            "axisCenteredZero": false,
            "axisColorMode": "text",
            "axisLabel": "",
            "axisPlacement": "auto",
            "barAlignment": 0,
            "drawStyle": "line",

             },
             "random_sampling": {
              "value": 1
             },
             "overall_sampling": {
              "value": 100
             },
             "custom_tags": [
              {
               "tag": "istio.authorization.dry_run.allow_policy.name",
               "metadata": {
                "kind": {
                 "request": {}
                },

installation doesn't follow these names, you can override them. For example, if you have resources named `my-custom-gateway` with `selector` labels `foo=bar,istio=ingressgateway`: ```yaml name: my-custom-gateway # Override the name to match existing resources labels: app: "" # Unset default app selector label istio: ingressgateway # override default istio selector label foo: bar # Add the existing custom selector label ``` #### Migrating an existing Helm release An existing helm release can be `helm upgrade`d...

        "type": "prometheus",
        "uid": "${datasource}"
      },
      "fieldConfig": {
        "defaults": {
          "color": {
            "mode": "palette-classic"
          },
          "custom": {
            "axisCenteredZero": false,
            "axisColorMode": "text",
            "axisLabel": "",
            "axisPlacement": "auto",
            "barAlignment": 0,
            "drawStyle": "line",