String attributenames are ignored and not exported

[Rip Jal]

This looks like to be an issue 

I have activemq Mbean which has attribute currentStatus whose value is returned as Good.
Exact MbeanObject is "org.apache.activemq:type=Broker,brokerName=myBroker01,service=Health"
Looks like in JMXCollector.Receiver.recordBean,it is only storing value if it is a number or Boolean else it is ignoring and returning from there and then.
Below is the code snippet from JMXCollector
if (beanValue instanceof Number) { value = ((Number) beanValue).doubleValue() * matchedRule.valueFactor; } else if (beanValue instanceof Boolean) { value = (Boolean) beanValue ? 1 : 0; } else { LOGGER.fine("Ignoring unsupported bean: " + beanName + attrName + ": " + beanValue); return; }

Is there any reason to do so ?Is jmx_exporter not expected to be returning string ?

If there is any alternative to get this metric out?

[Matthias Rampke]

The Prometheus data model only has float values (this makes the highly compact storage possible), so the exporter has no way to represent "Good", "Bad", or "lily-of-the-valley" without further help from you.

Can you write a pair of mapping rules for the exporter that match on the possible beanPropertyValue and set a fixed metric value of 1 or 0?

/MR

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[Rip Jal]

Thanks Mat. 

Mapping rules alongwith values did work.I used below rules to achieve this

  - pattern: "org.apache.activemq<type=Broker, brokerName= myBroker01 , service=Health><>CurrentStatus: Good"

    value: 1

  - pattern: "org.apache.activemq<type=Broker, brokerName= myBroker01 , service=Health><>CurrentStatus: *"

    value: 0