Elasticsearch Watcher - convert the milliseconds-since-the-epoch value back into a string

alerting

(Kathir J) #1

Hi,

I am currently trying with watcher for anomalies.
Here is my text field which gets notified in slack.

"text": "Machine Learning Results - Object cache size is going to exceed threshold limit.\n Anomalies:\n{{#ctx.payload.hits.hits}}score={{_source.anomaly_score}} at time={{_source.timestamp}}\n{{/ctx.payload.hits.hits}}"

and in slack, it is notified as below.

Machine Learning Results - Object cache size is going to exceed threshold limit.
Anomalies:
score=34.23307635237295 at time=1540379400000
score=32.13437 at time=1540379700000

_source.timestamp is producing milliseconds-since-the-epoch value. But I would like to notify this value as readable date format.

Is there way to format this ?


(Alexander Reelsen) #2

Hey,

you need to do a script transform first to convert the time to an Instant using Instant.ofEpochMilli() and then use java-time methods.

Also be aware, that a transform replaces the existing payload, so you have to make sure you return the full payload and enrich the date fields.

Hope this helps!

--Alex


(system) #3

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