How to put script into elasticsearch using their node client?

Question

I'm using the latest version of elasticsearch npm with elasticsearch version 6.4 and trying to put new script.

According to thier documentation; putScript function takes id and body properties.

So when i try to call it, for instance:

client.putScript({
    id: 'date_formatter',
    body: {
        lang: "painless",
        source: `// Get each field value as string
            String datetime = doc[params.field].value.toString();
            // Create format object based on string
            DateTimeFormatter formatter = DateTimeFormatter.ofPattern(params.format);
            // cast datetime into ZonedDateTime to use format function
            ZonedDateTime zdt = ZonedDateTime.parse(datetime);
            // return formatted date
            return zdt.format(formatter);`
    }
})

It returns { acknowledged: true } as expected, But when i check it through kibana, it returns:

{
  "_id": "date_formatter",
  "found": true,
  "script": {
    "lang": "mustache",
    "source": """{"lang":"painless"}"""
  }
}

Is there any way to put script into elasticsearch through node client?

There's a typo land should read lang

Val
– Val

2019-10-01 11:26:18 +00:00
Commented Oct 1, 2019 at 11:26 — Val
– Val, Commented Oct 1, 2019 at 11:26
Still not working

Nimer Awad
– Nimer Awad

2019-10-01 11:39:12 +00:00
Commented Oct 1, 2019 at 11:39 — Nimer Awad
– Nimer Awad, Commented Oct 1, 2019 at 11:39

Val · Accepted Answer · 2019-10-01 11:43:57Z

1

You need to wrap both lang and source into a script section basically the same way as described here:

client.putScript({
    id: 'date_formatter',
    body: {
        script: {
            lang: "painless",
            source: `// Get each field value as string
                String datetime = doc[params.field].value.toString();
                // Create format object based on string
                DateTimeFormatter formatter = DateTimeFormatter.ofPattern(params.format);
                // cast datetime into ZonedDateTime to use format function
                ZonedDateTime zdt = ZonedDateTime.parse(datetime);
                // return formatted date
                return zdt.format(formatter);`
            }
        }
    })

answered Oct 1, 2019 at 11:43

Val

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