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[8.15] [BK] Migrate es-forward (+add versions.json dependent triggering) (#184018) #187983

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merged 3 commits into from
Jul 15, 2024

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delanni
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@delanni delanni commented Jul 10, 2024

Backport

This will backport the following commits from main to 8.15:

Questions ?

Please refer to the Backport tool documentation

…astic#184018)

## Goal
We'd like to introduce a way to run pipelines that have a dependency on
the currently active branch set (managed in
[versions.json](./versions.json)).

With this, we'd like to migrate over the `es-forward` pipelines
(currently:
[this](https://buildkite.com/elastic/kibana-7-dot-17-es-8-dot-15-forward-compatibility),
and
[this](https://buildkite.com/elastic/kibana-7-dot-17-es-8-dot-14-forward-compatibility))
to the new buildkite infra.

## Summary
This PR introduces a new pipeline:
https://buildkite.com/elastic/kibana-trigger-version-dependent-jobs
(through
[trigger-version-dependent-jobs.yml](.buildkite/pipeline-resource-definitions/trigger-version-dependent-jobs.yml)).

The purpose of this new pipeline is to take the name of a "pipelineSet"
that refers to a pipeline, and based on the `versions.json` file, work
out what are the branches on which the referred pipeline should be
triggered.

### Example: `Trigger ES forward compatibility tests`
- a scheduled run on
[kibana-trigger-version-dependent-jobs](https://buildkite.com/elastic/kibana-trigger-version-dependent-jobs)
with the env var `TRIGGER_PIPELINE_SET=es-forward` runs
- the pipeline implementation for
`kibana-trigger-version-dependent-jobs` works out (looking at
`versions.json`), that the `es-forward` set should trigger
https://buildkite.com/elastic/kibana-es-forward (doesn't exist prior to
the PR) for (7.17+8.14) and (7.17+8.15)
- the pipeline implementation uploads two trigger steps, running
https://buildkite.com/elastic/kibana-es-forward in two instances with
the relevant parameterization.

Since the trigger parameters are derived from the `versions.json` file,
if we move on and close `8.14`, and open up `8.16`, this will follow,
without having to update the pipeline resources or schedules.

## Changes
- 2 pipelines created:
[trigger-version-dependent-jobs.yml](.buildkite/pipeline-resource-definitions/trigger-version-dependent-jobs.yml),
[kibana-es-forward.yml](.buildkite/pipeline-resource-definitions/kibana-es-forward.yml)
   - [x] add kibana-es-forward.yml
 - implementation for `trigger-version-dependent-jobs` added
- branch configuration removed from pipelines (kibana-artifacts-staging,
kibana-artifacts-snapshot, kibana-artifacts-trigger)
 - added a script for checking RREs validity (moved a few files)

## Verification
I've used the migration staging pipeline (*) to run this:
-
https://buildkite.com/elastic/kibana-migration-pipeline-staging/builds/130
   - Env: `TRIGGER_PIPELINE_SET="artifacts-trigger"`
- Result:
[(success):](https://buildkite.com/elastic/kibana-artifacts-trigger/builds/10806)
it triggered for 8.14 only (as expected)
-
https://buildkite.com/elastic/kibana-migration-pipeline-staging/builds/131
   - Env: `TRIGGER_PIPELINE_SET="es-forward"`
- Result: (success): it generated 2 trigger steps, but since the
es-forward pipeline doesn't exist, the upload step failed
-
https://buildkite.com/elastic/kibana-migration-pipeline-staging/builds/132
   - Env: `TRIGGER_PIPELINE_SET="artifacts-snapshot"`
- Result: (success): it triggered jobs for all 3 open branches
(main/8.14/7.17)
-
https://buildkite.com/elastic/kibana-migration-pipeline-staging/builds/134
   - Env: `TRIGGER_PIPELINE_SET="artifacts-staging"`
   - Result: (success): it triggered 8.14 / 7.14, but not for main

(*note: this migration staging pipeline will come in handy even after
the migration, to stage newly created pipelines without creating the
resource up-front)

(cherry picked from commit ea25099)

# Conflicts:
#	.buildkite/pipeline-resource-definitions/kibana-artifacts-snapshot.yml
#	.buildkite/pipeline-resource-definitions/kibana-artifacts-staging.yml
#	.buildkite/pipeline-resource-definitions/kibana-artifacts-trigger.yml
@elasticmachine
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💚 Build Succeeded

Metrics [docs]

✅ unchanged

@delanni delanni requested a review from a team July 15, 2024 15:33
@delanni
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delanni commented Jul 15, 2024

This will need to wait for #188027

@delanni delanni merged commit 53c7069 into elastic:8.15 Jul 15, 2024
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