$ cat examples/data.json
{
    "counter": 1234,
    "values": [
        {
            "id": "id-A",
            "count": 1,
            "some_boolean": true,
            "state": "ACTIVE"
        },
        {
            "id": "id-B",
            "count": 2,
            "some_boolean": true,
            "state": "INACTIVE"
        },
        {
            "id": "id-C",
            "count": 3,
            "some_boolean": false,
            "state": "ACTIVE"
        }
    ],
    "location": "mars"
}

$ cat examples/config.yml
---
modules:
  default:
    metrics:
    - name: example_global_value
      path: "{ .counter }"
      help: Example of a top-level global value scrape in the json
      labels:
        environment: beta # static label
        location: "planet-{.location}"          # dynamic label

    - name: example_value
      type: object
      help: Example of sub-level value scrapes from a json
      path: '{.values[?(@.state == "ACTIVE")]}'
      labels:
        environment: beta # static label
        id: '{.id}'          # dynamic label
      values:
        active: 1      # static value
        count: '{.count}' # dynamic value
        boolean: '{.some_boolean}'

    headers:
      X-Dummy: my-test-header

$ python -m SimpleHTTPServer 8000 &
Serving HTTP on 0.0.0.0 port 8000 ...

$ ./json_exporter --config.file examples/config.yml &

$ curl "http://localhost:7979/probe?module=default&target=http://localhost:8000/examples/data.json" | grep ^example
example_global_value{environment="beta",location="planet-mars"} 1234
example_value_active{environment="beta",id="id-A"} 1
example_value_active{environment="beta",id="id-C"} 1
example_value_boolean{environment="beta",id="id-A"} 1
example_value_boolean{environment="beta",id="id-C"} 0
example_value_count{environment="beta",id="id-A"} 1
example_value_count{environment="beta",id="id-C"} 3

# To test through prometheus:
$ docker run --rm -it -p 9090:9090 -v $PWD/examples/prometheus.yml:/etc/prometheus/prometheus.yml --network host prom/prometheus

docker run \
  -v $PWD/examples/config.yml:/config.yml \
  quay.io/prometheuscommunity/json-exporter \
  --config.file=/config.yml