Add new Elastic Forecast scaler by rickbrouwer · Pull Request #7496 · kedacore/keda

rickbrouwer · 2026-02-27T16:18:51Z

Introduce the new Elastic Forecast (Experimental) scaler, as described in mentioned issue.

Checklist

When introducing a new scaler, I agree with the scaling governance policy
I have verified that my change is according to the deprecations & breaking changes policy
Tests have been added (if applicable)
Ensure make generate-scalers-schema has been run to update any outdated generated files
Changelog has been updated and is aligned with our changelog requirements, only when the change impacts end users
A PR is opened to update our Helm chart (repo) (if applicable, ie. when deployment manifests are modified)
A PR is opened to update the documentation on (repo) (if applicable)
Commits are signed with Developer Certificate of Origin (DCO - learn more)

Fixes #7494
Docs: kedacore/keda-docs#1710

github-actions · 2026-02-27T16:19:02Z

Thank you for your contribution! 🙏

Please understand that we will do our best to review your PR and give you feedback as soon as possible, but please bear with us if it takes a little longer as expected.

While you are waiting, make sure to:

Add an entry in our changelog in alphabetical order and link related issue
Update the documentation, if needed
Add unit & e2e tests for your changes
GitHub checks are passing
Is the DCO check failing? Here is how you can fix DCO issues

Once the initial tests are successful, a KEDA member will ensure that the e2e tests are run. Once the e2e tests have been successfully completed, the PR may be merged at a later date. Please be patient.

Learn more about our contribution guide.

snyk-io · 2026-02-27T16:34:11Z

✅ Snyk checks have passed. No issues have been found so far.

Status	Scan Engine	Critical	High	Medium	Low	Total (0)
✅	Open Source Security	0	0	0	0	0 issues

💻 Catch issues earlier using the plugins for VS Code, JetBrains IDEs, Visual Studio, and Eclipse.

rickbrouwer · 2026-02-27T16:34:53Z

/run-e2e elastic_forecast_test
Update: You can check the progress here

Signed-off-by: Rick Brouwer <[email protected]>

rickbrouwer · 2026-02-27T19:07:57Z

/run-e2e elastic*
Update: You can check the progress here

dttung2905

Thanks for the initiative @rickbrouwer ! 🚀

Copilot

Pull request overview

This PR introduces a new elastic-forecast scaler to KEDA, enabling proactive scaling based on Elasticsearch ML forecast results (with accompanying unit/e2e tests and schema/changelog updates).

Changes:

Add elastic-forecast scaler implementation (forecast creation/renewal + forecast querying).
Register the scaler in the scaler builder and update generated scaler schemas (YAML/JSON).
Add unit tests and an e2e test scenario for the new scaler; update changelog entry.

Reviewed changes

Copilot reviewed 5 out of 7 changed files in this pull request and generated 6 comments.

Show a summary per file

File	Description
`pkg/scalers/elastic_forecast_scaler.go`	Implements the new Elastic Forecast scaler logic (forecast lifecycle + metric retrieval).
`pkg/scalers/elastic_forecast_scaler_test.go`	Adds unit tests for metadata parsing, metric spec naming, and renewal-related logic.
`pkg/scaling/scalers_builder.go`	Registers the new `elastic-forecast` trigger type in the scaler factory.
`schema/generated/scalers-schema.yaml`	Adds the new scaler parameters to the generated YAML schema.
`schema/generated/scalers-schema.json`	Adds the new scaler parameters to the generated JSON schema.
`tests/scalers/elastic_forecast/elastic_forecast_test.go`	Adds an e2e test that provisions Elasticsearch + ML job/datafeed and validates scale-out behavior.
`CHANGELOG.md`	Adds an Unreleased “New” entry for the Elastic Forecast scaler.

💡 Add Copilot custom instructions for smarter, more guided reviews. Learn how to get started.

Copilot

Copilot was unable to review this pull request because the user who requested the review has reached their quota limit.

Copilot

Copilot was unable to review this pull request because the user who requested the review has reached their quota limit.

Copilot

Copilot was unable to review this pull request because the user who requested the review has reached their quota limit.

rickbrouwer · 2026-03-04T19:41:09Z

/run-e2e elastic_forecast_test
Update: You can check the progress here

rickbrouwer · 2026-04-17T06:48:40Z

/run-e2e elastic_forecast_test
Update: You can check the progress here

rickbrouwer · 2026-04-17T19:14:32Z

/run-e2e elastic_forecast_test
Update: You can check the progress here

Signed-off-by: Rick Brouwer <[email protected]>

rickbrouwer · 2026-04-18T07:42:13Z

/run-e2e elastic_forecast_test
Update: You can check the progress here

rickbrouwer · 2026-04-18T10:37:55Z

ah, forget to update and merge the main branch :)

rickbrouwer · 2026-04-26T08:55:59Z

Attention! I have switched the scaler to Experimental! See the docs.

zroubalik

This looks great, I would just change the log level on some messages, but that's just my personal opinion to reduce the number of messages emitted by the operator.

Feel free to disregard if you think it should be done this way, I am okay with that.

Signed-off-by: Rick Brouwer <[email protected]>

rickbrouwer · 2026-05-25T12:54:14Z

/run-e2e elastic_forecast_test
Update: You can check the progress here

Signed-off-by: Rick Brouwer <[email protected]>

rickbrouwer · 2026-05-25T17:42:29Z

/run-e2e elastic_forecast_test
Update: You can check the progress here

passed tests: 1

Execution of tests/scalers/elastic_forecast/elastic_forecast_test.go, has passed after "one" attempts

failed tests: 0

rickbrouwer · 2026-05-25T19:13:21Z

/run-e2e elastic_forecast_test
Update: You can check the progress here

passed tests: 1

Execution of tests/scalers/elastic_forecast/elastic_forecast_test.go, has passed after "one" attempts

failed tests: 0

Signed-off-by: Rick Brouwer <[email protected]> Signed-off-by: Yurii Shcherbak <[email protected]>

keda-automation requested review from a team February 27, 2026 16:19

rickbrouwer commented Feb 27, 2026

View reviewed changes

Comment thread pkg/scalers/elastic_forecast_scaler.go

rickbrouwer mentioned this pull request Feb 27, 2026

Add new Elastic Forecast scaler kedacore/keda-docs#1710

Merged

1 task

rickbrouwer force-pushed the elastic-forecast branch 2 times, most recently from c2ca814 to 9bd32dc Compare February 27, 2026 18:39

Add new Elastic Forecast scaler

dfef84a

Signed-off-by: Rick Brouwer <[email protected]>

rickbrouwer force-pushed the elastic-forecast branch from 9bd32dc to dfef84a Compare February 27, 2026 18:47

rickbrouwer marked this pull request as ready for review February 27, 2026 19:50

dttung2905 reviewed Mar 1, 2026

View reviewed changes

Comment thread pkg/scalers/elastic_forecast_scaler.go

Comment thread pkg/scalers/elastic_forecast_scaler.go

wozniakjan requested a review from Copilot March 4, 2026 10:04

Copilot started reviewing on behalf of wozniakjan March 4, 2026 10:04 View session

Copilot AI reviewed Mar 4, 2026

View reviewed changes

keda-automation requested a review from a team March 4, 2026 13:34

rickbrouwer requested a review from Copilot March 4, 2026 13:50

Copilot started reviewing on behalf of rickbrouwer March 4, 2026 13:51 View session

Copilot AI reviewed Mar 4, 2026

rickbrouwer requested a review from Copilot March 4, 2026 14:02

Copilot started reviewing on behalf of rickbrouwer March 4, 2026 14:03 View session

Copilot AI reviewed Mar 4, 2026

rickbrouwer force-pushed the elastic-forecast branch 2 times, most recently from 8802361 to 1367dc4 Compare March 4, 2026 19:39

rickbrouwer requested a review from Copilot March 4, 2026 19:39

Copilot started reviewing on behalf of rickbrouwer March 4, 2026 19:40 View session

Copilot AI reviewed Mar 4, 2026

rickbrouwer force-pushed the elastic-forecast branch from 7098bef to 85dac49 Compare April 17, 2026 19:14

rickbrouwer added 2 commits April 18, 2026 09:12

update feedback

9fb2f81

Signed-off-by: Rick Brouwer <[email protected]>

Merge branch 'main' into elastic-forecast

59cb839

rickbrouwer added the nice-to-have:keda-v2.20 Not strictly necessary, but nice if you can bring it along label May 25, 2026

wozniakjan added the required:keda-v2.20 This is absolutely mandatory to bring along label May 25, 2026

zroubalik approved these changes May 25, 2026

View reviewed changes

Comment thread pkg/scalers/elastic_forecast_scaler.go Outdated

zroubalik added waiting-author-response All PR's or Issues where we are waiting for a response from the author and removed Awaiting/2nd-approval This PR needs one more approval review labels May 25, 2026

rickbrouwer removed the nice-to-have:keda-v2.20 Not strictly necessary, but nice if you can bring it along label May 25, 2026

update loglevel

1dc8163

Signed-off-by: Rick Brouwer <[email protected]>

keda-automation requested a review from a team May 25, 2026 12:54

rickbrouwer added 2 commits May 25, 2026 16:58

Merge branch 'main' into elastic-forecast

c5feb5c

update

d30bc9a

Signed-off-by: Rick Brouwer <[email protected]>

rickbrouwer added ok-to-merge This PR can be merged waiting-for-e2e and removed waiting-author-response All PR's or Issues where we are waiting for a response from the author labels May 25, 2026

rickbrouwer enabled auto-merge (squash) May 25, 2026 15:15

Merge branch 'main' into elastic-forecast

d8404eb

rickbrouwer merged commit 0c693d5 into kedacore:main May 25, 2026
23 checks passed

rickbrouwer removed the waiting-for-e2e label May 26, 2026

rickbrouwer deleted the elastic-forecast branch May 26, 2026 07:12

shcherbak pushed a commit to shcherbak/keda that referenced this pull request Jun 3, 2026

Add new Elastic Forecast scaler (kedacore#7496)

69aebde

Signed-off-by: Rick Brouwer <[email protected]> Signed-off-by: Yurii Shcherbak <[email protected]>

Uh oh!

Conversation

rickbrouwer commented Feb 27, 2026 • edited Loading Uh oh! There was an error while loading. Please reload this page.

Uh oh!

Checklist

Uh oh!

github-actions Bot commented Feb 27, 2026

Uh oh!

Uh oh!

snyk-io Bot commented Feb 27, 2026 • edited Loading Uh oh! There was an error while loading. Please reload this page.

Uh oh!

✅ Snyk checks have passed. No issues have been found so far.

Uh oh!

rickbrouwer commented Feb 27, 2026 • edited by github-actions Bot Loading Uh oh! There was an error while loading. Please reload this page.

Uh oh!

Uh oh!

rickbrouwer commented Feb 27, 2026 • edited by github-actions Bot Loading Uh oh! There was an error while loading. Please reload this page.

Uh oh!

Uh oh!

dttung2905 left a comment

Choose a reason for hiding this comment

Uh oh!

Uh oh!

Uh oh!

Copilot AI left a comment

Choose a reason for hiding this comment

Pull request overview

Reviewed changes

Uh oh!

Uh oh!

Uh oh!

Uh oh!

Uh oh!

Uh oh!

Uh oh!

Copilot AI left a comment

Choose a reason for hiding this comment

Uh oh!

Copilot AI left a comment

Choose a reason for hiding this comment

Uh oh!

Copilot AI left a comment

Choose a reason for hiding this comment

Uh oh!

rickbrouwer commented Mar 4, 2026 • edited by github-actions Bot Loading Uh oh! There was an error while loading. Please reload this page.

Uh oh!

Uh oh!

rickbrouwer commented Apr 17, 2026 • edited by github-actions Bot Loading Uh oh! There was an error while loading. Please reload this page.

Uh oh!

Uh oh!

rickbrouwer commented Apr 17, 2026 • edited by github-actions Bot Loading Uh oh! There was an error while loading. Please reload this page.

Uh oh!

Uh oh!

rickbrouwer commented Apr 18, 2026 • edited by github-actions Bot Loading Uh oh! There was an error while loading. Please reload this page.

Uh oh!

Uh oh!

rickbrouwer commented Apr 18, 2026

Uh oh!

rickbrouwer commented Apr 26, 2026

Uh oh!

zroubalik left a comment

Choose a reason for hiding this comment

Uh oh!

Uh oh!

rickbrouwer commented May 25, 2026 • edited by github-actions Bot Loading Uh oh! There was an error while loading. Please reload this page.

Uh oh!

Uh oh!

rickbrouwer commented May 25, 2026 • edited by github-actions Bot Loading Uh oh! There was an error while loading. Please reload this page.

Uh oh!

Uh oh!

rickbrouwer commented May 25, 2026 • edited by github-actions Bot Loading Uh oh! There was an error while loading. Please reload this page.

Uh oh!

Uh oh!

Uh oh!

Reviewers

Assignees

Labels

Projects

Milestone

Development

rickbrouwer commented Feb 27, 2026 •

edited

Loading

snyk-io Bot commented Feb 27, 2026 •

edited

Loading

rickbrouwer commented Feb 27, 2026 •

edited by github-actions Bot

Loading

rickbrouwer commented Feb 27, 2026 •

edited by github-actions Bot

Loading

rickbrouwer commented Mar 4, 2026 •

edited by github-actions Bot

Loading

rickbrouwer commented Apr 17, 2026 •

edited by github-actions Bot

Loading

rickbrouwer commented Apr 17, 2026 •

edited by github-actions Bot

Loading

rickbrouwer commented Apr 18, 2026 •

edited by github-actions Bot

Loading

rickbrouwer commented May 25, 2026 •

edited by github-actions Bot

Loading

rickbrouwer commented May 25, 2026 •

edited by github-actions Bot

Loading

rickbrouwer commented May 25, 2026 •

edited by github-actions Bot

Loading