27 lines
931 B
Plaintext
27 lines
931 B
Plaintext
# Example showing how to create several metrics from a json array.
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#
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# Example Input:
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# json value="[{\"label\": \"hello\"}, {\"label\": \"world\"}]"
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#
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# Example Output:
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# json value="hello" 1465839830100400201
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# json value="world" 1465839830100400201
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# loads json.encode(), json.decode(), json.indent()
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load("json.star", "json")
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def apply(metric):
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# Initialize a list of metrics
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metrics = []
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# Loop over the json array stored into the field
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for obj in json.decode(metric.fields['value']):
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# Create a new metric whose name is "json"
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current_metric = Metric("json")
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# Set the field "value" to the label extracted from the current json object
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current_metric.fields["value"] = obj["label"]
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# Reset the time (only needed for testing purpose)
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current_metric.time = 0
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# Add metric to the list of metrics
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metrics.append(current_metric)
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return metrics
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