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8afa7c174f
Added an api that allows to execute an arbitrary script and a result to be returned.
```
POST /_scripts/painless/_execute
{
"script": {
"source": "params.var1 / params.var2",
"params": {
"var1": 1,
"var2": 1
}
}
}
```
Relates to #27875
53 lines
1.4 KiB
Plaintext
53 lines
1.4 KiB
Plaintext
[[painless-execute-api]]
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=== Painless execute API
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The Painless execute API allows an arbitrary script to be executed and a result to be returned.
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[[painless-execute-api-parameters]]
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.Parameters
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[options="header"]
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|======
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| Name | Required | Default | Description
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| `script` | yes | - | The script to execute
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| `context` | no | `execute_api_script` | The context the script should be executed in.
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|======
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==== Contexts
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Contexts control how scripts are executed, what variables are available at runtime and what the return type is.
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===== Painless test script context
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The `painless_test` context executes scripts as is and do not add any special parameters.
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The only variable that is available is `params`, which can be used to access user defined values.
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The result of the script is always converted to a string.
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If no context is specified then this context is used by default.
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==== Example
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Request:
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[source,js]
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----------------------------------------------------------------
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POST /_scripts/painless/_execute
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{
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"script": {
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"source": "params.count / params.total",
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"params": {
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"count": 100.0,
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"total": 1000.0
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}
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}
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}
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----------------------------------------------------------------
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// CONSOLE
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Response:
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[source,js]
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--------------------------------------------------
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{
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"result": "0.1"
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}
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--------------------------------------------------
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// TESTRESPONSE |