2016-02-08 13:48:30 +00:00
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prometheus-json-exporter
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========================
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A [prometheus](https://prometheus.io/) exporter which scrapes remote JSON by JSONPath.
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Build
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=====
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```sh
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./gow get .
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./gow build -o json_exporter .
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```
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Example Usage
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=============
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```sh
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2016-02-08 13:59:48 +00:00
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$ cat example/data.json
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{
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"counter": 1234,
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"values": [
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{
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"id": "id-A",
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"count": 1,
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"state": "ACTIVE"
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},
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{
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"id": "id-B",
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"count": 2,
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"state": "INACTIVE"
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},
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{
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"id": "id-C",
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"count": 3,
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"state": "ACTIVE"
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},
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]
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}
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$ cat example/config.yml
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- name: example_global_value
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path: $.counter
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labels:
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environment: beta # static label
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- name: example_value
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type: object
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path: $.values[*]?(@.state == "ACTIVE")
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labels:
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environment: beta # static label
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id: $.id # dynamic label
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values:
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active: 1 # static value
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count: $.count # dynamic value
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2016-02-08 13:48:30 +00:00
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$ python -m SimpleHTTPServer 8000 &
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Serving HTTP on 0.0.0.0 port 8000 ...
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2016-02-08 13:59:48 +00:00
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2016-02-08 13:48:30 +00:00
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$ ./json_exporter http://localhost:8000/example/data.json example/config.yml &
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INFO[2016-02-08T22:44:38+09:00] metric registered;name:<example_global_value>
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INFO[2016-02-08T22:44:38+09:00] metric registered;name:<example_value_active>
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INFO[2016-02-08T22:44:38+09:00] metric registered;name:<example_value_count>
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127.0.0.1 - - [08/Feb/2016 22:44:38] "GET /example/data.json HTTP/1.1" 200 -
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2016-02-08 13:59:48 +00:00
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2016-02-08 13:48:30 +00:00
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$ curl http://localhost:7979/metrics | grep ^example
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example_global_value{environment="beta"} 1234
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example_value_active{environment="beta",id="id-A"} 1
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example_value_active{environment="beta",id="id-C"} 1
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example_value_count{environment="beta",id="id-A"} 1
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example_value_count{environment="beta",id="id-C"} 3
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```
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See Also
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========
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- [nicksardo/jsonpath](https://github.com/nicksardo/jsonpath) : For syntax reference of JSONPath
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