painless: register ProcessorsWhitelistExtension to painless engine

[yaauie]

Enables the use of the org.elasticsearch.ingest.common.Processors in ingest pipelines, as is found in integrations like logs-aws.cloudtrail.

Fixes: elastic/logstash-filter-elastic_integration#161

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[elasticmachine]

:broken_heart: Build Failed

• Buildkite Build
• Commit: 305285155171ac43fd2257095e2fc2d60f61deaf

Failed CI Steps

• :hammer: CI setup and unit tests run :docker:
• :hammer: CI setup and integration tests with ES 8.x-SNAPSHOT run on :docker:

History

• :broken_heart: Build #338 failed b288d6adc4542aac62c04f6a5498aebc184550f2
• :broken_heart: Build #337 failed 40841c6dbe79b0bcbf63e9e37351a3819cafc1f3