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[BK] Migrate es-forward (+add versions.json dependent triggering) (#1…
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…84018)

## 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
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delanni committed Jul 10, 2024
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28 changes: 28 additions & 0 deletions .buildkite/pipeline-resource-definitions/README.md
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# Buildkite pipeline resource definitions

## Overview
The pipeline resources are "RRE" (real resource entities) that are used to create/maintain buildkite pipelines.

The resources described in these files are parsed and loaded to Backstage (https://backstage.elastic.dev).
From there, [Terrazzo](https://buildkite.com/elastic/terrazzo/) is generating and updating the buildkite pipelines.

These pipelines are referenced indirectly through the root's [`catalog-info.yaml`](../../catalog-info.yaml) file in order to reduce bloat in the main resources file.
There's a location file that collects files defined in this folder ([locations.yml](locations.yml)), this file needs to be updated in order to keep track of local files.

Available parameters and further help can be found here: https://docs.elastic.dev/ci/getting-started-with-buildkite-at-elastic

## Creating a new pipeline resource definition
The easiest way to create a new pipeline is either by copying and editing a similar pipeline,
or by copying a blank template (see [_new_pipeline.yml](_templates/_new_pipeline.yml)) and editing that.

You can validate your pipeline's structural integrity, and it's conformity to baseline rules by running the following command:
```bash
.buildkite/pipeline-resource-definitions/scripts/validate-pipeline-definition.sh <path_to_your_pipeline_file>
```

Once you've added the file, you should update the [locations.yml](locations.yml) file to include the new pipeline, or run the following command to update it:
```bash
.buildkite/pipeline-resource-definitions/scripts/fix-location-collection.ts
```

Add your pipeline implementation, commit & push & merge. The pipeline resource will appear in Backstage within minutes, then the pipeline will be added to Buildkite within ~10 minutes.
Original file line number Diff line number Diff line change
Expand Up @@ -22,7 +22,6 @@ spec:
ELASTIC_SLACK_NOTIFICATIONS_ENABLED: 'true'
SLACK_NOTIFICATIONS_CHANNEL: '#kibana-operations-alerts'
allow_rebuilds: true
branch_configuration: main 8.14 7.17
default_branch: main
repository: elastic/kibana
pipeline_file: .buildkite/pipelines/artifacts.yml
Expand All @@ -44,16 +43,3 @@ spec:
access_level: MANAGE_BUILD_AND_READ
kibana-tech-leads:
access_level: MANAGE_BUILD_AND_READ
schedules:
Daily build (main):
cronline: 0 7 * * * America/New_York
message: Daily build
branch: main
Daily build (8.14):
cronline: 0 7 * * * America/New_York
message: Daily build
branch: '8.14'
Daily build (7.17):
cronline: 0 7 * * * America/New_York
message: Daily build
branch: '7.17'
Original file line number Diff line number Diff line change
Expand Up @@ -23,7 +23,6 @@ spec:
ELASTIC_SLACK_NOTIFICATIONS_ENABLED: 'true'
SLACK_NOTIFICATIONS_CHANNEL: '#kibana-operations-alerts'
allow_rebuilds: true
branch_configuration: 7.17 8.14
repository: elastic/kibana
pipeline_file: .buildkite/pipelines/artifacts.yml
skip_intermediate_builds: false
Expand All @@ -44,12 +43,3 @@ spec:
access_level: MANAGE_BUILD_AND_READ
kibana-tech-leads:
access_level: MANAGE_BUILD_AND_READ
schedules:
Daily build (8.14):
cronline: 0 7 * * * America/New_York
message: Daily build
branch: '8.14'
Daily build (7.17):
cronline: 0 7 * * * America/New_York
message: Daily build
branch: '7.17'
Original file line number Diff line number Diff line change
Expand Up @@ -23,7 +23,6 @@ spec:
ELASTIC_SLACK_NOTIFICATIONS_ENABLED: 'true'
SLACK_NOTIFICATIONS_CHANNEL: '#kibana-operations-alerts'
allow_rebuilds: true
branch_configuration: '8.14'
default_branch: main
repository: elastic/kibana
pipeline_file: .buildkite/pipelines/artifacts_trigger.yml
Expand All @@ -45,8 +44,3 @@ spec:
access_level: MANAGE_BUILD_AND_READ
kibana-tech-leads:
access_level: MANAGE_BUILD_AND_READ
schedules:
Daily build (8.14):
cronline: 0 */2 * * * America/New_York
message: Daily build
branch: '8.14'
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@@ -0,0 +1,41 @@
# yaml-language-server: $schema=https://gist.githubusercontent.com/elasticmachine/988b80dae436cafea07d9a4a460a011d/raw/rre.schema.json
apiVersion: backstage.io/v1alpha1
kind: Resource
metadata:
name: bk-kibana-es-forward-compatibility-testing
description: Forward compatibility testing between Kibana 7.17 and ES 8+
links:
- url: 'https://buildkite.com/elastic/kibana-es-forward-compatibility-testing'
title: Pipeline link
spec:
type: buildkite-pipeline
system: buildkite
owner: 'group:kibana-operations'
implementation:
apiVersion: buildkite.elastic.dev/v1
kind: Pipeline
metadata:
name: kibana / ES Forward Compatibility Testing
description: Forward compatibility testing between Kibana 7.17 and ES 8+
spec:
env:
SLACK_NOTIFICATIONS_CHANNEL: '#kibana-operations-alerts'
ELASTIC_SLACK_NOTIFICATIONS_ENABLED: 'true'
allow_rebuilds: false
branch_configuration: main
default_branch: main
repository: elastic/kibana
pipeline_file: .buildkite/pipelines/es_forward.yml # Note: this file exists in 7.17 only
skip_intermediate_builds: false
provider_settings:
prefix_pull_request_fork_branch_names: false
trigger_mode: none
teams:
kibana-operations:
access_level: MANAGE_BUILD_AND_READ
appex-qa:
access_level: MANAGE_BUILD_AND_READ
kibana-tech-leads:
access_level: MANAGE_BUILD_AND_READ
everyone:
access_level: BUILD_AND_READ
2 changes: 2 additions & 0 deletions .buildkite/pipeline-resource-definitions/locations.yml
Original file line number Diff line number Diff line change
Expand Up @@ -14,6 +14,7 @@ spec:
- https://github.com/elastic/kibana/blob/main/.buildkite/pipeline-resource-definitions/kibana-artifacts-staging.yml
- https://github.com/elastic/kibana/blob/main/.buildkite/pipeline-resource-definitions/kibana-artifacts-trigger.yml
- https://github.com/elastic/kibana/blob/main/.buildkite/pipeline-resource-definitions/kibana-coverage-daily.yml
- https://github.com/elastic/kibana/blob/main/.buildkite/pipeline-resource-definitions/kibana-es-forward-testing.yml
- https://github.com/elastic/kibana/blob/main/.buildkite/pipeline-resource-definitions/kibana-es-serverless-snapshots.yml
- https://github.com/elastic/kibana/blob/main/.buildkite/pipeline-resource-definitions/kibana-es-snapshots.yml
- https://github.com/elastic/kibana/blob/main/.buildkite/pipeline-resource-definitions/kibana-esql-grammar-sync.yml
Expand All @@ -39,3 +40,4 @@ spec:
- https://github.com/elastic/kibana/blob/main/.buildkite/pipeline-resource-definitions/security-solution-quality-gate/kibana-serverless-security-solution-quality-gate-gen-ai.yml
- https://github.com/elastic/kibana/blob/main/.buildkite/pipeline-resource-definitions/security-solution-quality-gate/kibana-serverless-security-solution-quality-gate-investigations.yml
- https://github.com/elastic/kibana/blob/main/.buildkite/pipeline-resource-definitions/security-solution-quality-gate/kibana-serverless-security-solution-quality-gate-rule-management.yml
- https://github.com/elastic/kibana/blob/main/.buildkite/pipeline-resource-definitions/trigger-version-dependent-jobs.yml
Original file line number Diff line number Diff line change
Expand Up @@ -11,7 +11,7 @@ import jsYaml from 'js-yaml';
import path from 'path';
import { execSync } from 'child_process';

const EXCLUDE_LIST = ['locations.yml', '_template/template.yml'];
const EXCLUDE_LIST = ['locations.yml', '_templates'];
const REPO_FILES_BASE = 'https://github.com/elastic/kibana/blob/main';

type BackstageLocationResource = object & {
Expand All @@ -20,19 +20,19 @@ type BackstageLocationResource = object & {

async function main() {
const repoRoot = execSync('git rev-parse --show-toplevel').toString().trim();
const resourceDefinitionsFolder = path.resolve(
const resourceDefinitionsRoot = path.resolve(
repoRoot,
'.buildkite',
'pipeline-resource-definitions'
);
const resourceDefinitionsBaseUrl = `${REPO_FILES_BASE}/.buildkite/pipeline-resource-definitions`;
const locationFile = path.resolve(resourceDefinitionsFolder, 'locations.yml');
const locationFile = path.resolve(resourceDefinitionsRoot, 'locations.yml');
const locationFileLines = fs.readFileSync(locationFile, 'utf8').split('\n');

const pipelines = readDirRecursively(resourceDefinitionsFolder)
const pipelines = readDirRecursively(resourceDefinitionsRoot)
.filter((file) => file.endsWith('.yml'))
.map((file) => file.replace(`${resourceDefinitionsFolder}/`, ''))
.filter((f) => !EXCLUDE_LIST.includes(f));
.map((file) => file.replace(`${resourceDefinitionsRoot}/`, ''))
.filter((f) => EXCLUDE_LIST.every((excludeExpr) => !f.match(excludeExpr)));

const preamble = locationFileLines.slice(0, 1);

Expand Down
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@@ -0,0 +1,28 @@
#!/usr/bin/env bash

# This script is used to validate a single RRE for a pipeline definition.

TARGET_FILE=$1

if [ -z "$TARGET_FILE" ]; then
echo "Usage: $0 <path_to_your_pipeline_file>"
exit 1
fi

echo "Validating $TARGET_FILE..."
ABSOLUTE_PATH=$(realpath "$TARGET_FILE")
FILE_NAME=$(basename "$ABSOLUTE_PATH")
FOLDER_NAME=$(dirname "$ABSOLUTE_PATH")

docker run -it \
--mount type=bind,source="$FOLDER_NAME",target=/home/app/ \
docker.elastic.co/ci-agent-images/pipelib \
rre validate --backstage-entity-aware "/home/app/$FILE_NAME"

if [ $? -ne 0 ]; then
echo "$FILE_NAME invalid ❌"
exit 1
else
echo "$FILE_NAME valid ✅"
exit 0
fi
Original file line number Diff line number Diff line change
@@ -0,0 +1,71 @@
###
# For more information on authoring pipeline definitions,
# follow the guides at https://docs.elastic.dev/ci/getting-started-with-buildkite-at-elastic
###
# yaml-language-server: $schema=https://gist.githubusercontent.com/elasticmachine/988b80dae436cafea07d9a4a460a011d/raw/rre.schema.json
apiVersion: backstage.io/v1alpha1
kind: Resource
metadata:
name: bk-kibana-trigger-version-dependent-jobs
description: 'Trigger version-dependent jobs'
links:
- url: 'https://buildkite.com/elastic/kibana-trigger-version-dependent-jobs'
title: Pipeline link
spec:
type: buildkite-pipeline
system: buildkite
owner: 'group:kibana-operations'
implementation:
apiVersion: buildkite.elastic.dev/v1
kind: Pipeline
metadata:
name: kibana / trigger version-dependent jobs
description: 'Trigger version-dependent jobs'
spec:
env:
SLACK_NOTIFICATIONS_CHANNEL: '#kibana-operations-alerts'
ELASTIC_SLACK_NOTIFICATIONS_ENABLED: 'true'

allow_rebuilds: false
branch_configuration: main
default_branch: main
repository: elastic/kibana
pipeline_file: .buildkite/scripts/pipelines/trigger_version_dependent_jobs/pipeline.sh
skip_intermediate_builds: false
provider_settings:
prefix_pull_request_fork_branch_names: false
skip_pull_request_builds_for_existing_commits: true
trigger_mode: none
teams:
kibana-operations:
access_level: MANAGE_BUILD_AND_READ
appex-qa:
access_level: MANAGE_BUILD_AND_READ
kibana-tech-leads:
access_level: MANAGE_BUILD_AND_READ
everyone:
access_level: BUILD_AND_READ
schedules:
Trigger ES forward compatibility tests:
cronline: 0 5 * * *
message: Trigger ES forward compatibility tests
env:
TRIGGER_PIPELINE_SET: es-forward
Trigger artifact staging builds:
cronline: 0 7 * * * America/New_York
message: Trigger artifact staging builds
env:
TRIGGER_PIPELINE_SET: artifacts-staging
MESSAGE: Daily staging build
Trigger artifact snapshot builds:
cronline: 0 7 * * * America/New_York
message: Trigger artifact snapshot builds
env:
TRIGGER_PIPELINE_SET: artifacts-snapshot
MESSAGE: Daily snapshot build
Run kibana-artifacts-trigger:
cronline: 0 */2 * * * America/New_York
message: Trigger 'kibana-artifacts-trigger'
env:
TRIGGER_PIPELINE_SET: artifacts-trigger
MESSAGE: Daily build
45 changes: 45 additions & 0 deletions .buildkite/pipeline-utils/utils.test.ts
Original file line number Diff line number Diff line change
@@ -0,0 +1,45 @@
/*
* Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
* or more contributor license agreements. Licensed under the Elastic License
* 2.0 and the Server Side Public License, v 1; you may not use this file except
* in compliance with, at your election, the Elastic License 2.0 or the Server
* Side Public License, v 1.
*/

/* eslint-disable @typescript-eslint/no-unused-expressions */

import { expect } from 'chai';
import { getKibanaDir, getVersionsFile } from './utils';
import fs from 'fs';

// TODO: replace mocha with jest, and write tests that mock FS

describe('getKibanaDir', () => {
it('should return the kibana directory', () => {
const kibanaDir = getKibanaDir();

expect(kibanaDir).to.be.ok;
expect(fs.existsSync(kibanaDir)).to.be.true;
});
});

describe('getVersionsFile', () => {
it('should return the versions file', () => {
const versionsFile = getVersionsFile();

expect(versionsFile).to.be.ok;
expect(versionsFile.versions).to.be.an('array');
});

it('should correctly find prevMajor and prevMinor versions', () => {
const versionsFile = getVersionsFile();

expect(versionsFile.prevMajors).to.be.an('array');
expect(versionsFile.prevMajors.length).to.eql(1);
expect(versionsFile.prevMajors[0].branch).to.eql('7.17');

expect(versionsFile.prevMinors).to.be.an('array');
});

// TODO: write more tests with mocking...
});
42 changes: 41 additions & 1 deletion .buildkite/pipeline-utils/utils.ts
Original file line number Diff line number Diff line change
Expand Up @@ -7,6 +7,8 @@
*/

import { execSync } from 'child_process';
import fs from 'fs';
import path from 'path';

const getKibanaDir = (() => {
let kibanaDir: string | undefined;
Expand All @@ -21,4 +23,42 @@ const getKibanaDir = (() => {
};
})();

export { getKibanaDir };
export interface Version {
branch: string;
version: string;
}
export interface VersionsFile {
versions: Array<
{
previousMajor?: boolean;
previousMinor?: boolean;
currentMajor?: boolean;
currentMinor?: boolean;
} & Version
>;
}
const getVersionsFile = (() => {
let versions: VersionsFile & {
prevMinors: Version[];
prevMajors: Version[];
current: Version;
};
const versionsFileName = 'versions.json';
try {
const versionsJSON = JSON.parse(
fs.readFileSync(path.join(getKibanaDir(), versionsFileName)).toString()
);
versions = {
versions: versionsJSON.versions,
prevMinors: versionsJSON.versions.filter((v: any) => v.previousMinor),
prevMajors: versionsJSON.versions.filter((v: any) => v.previousMajor),
current: versionsJSON.versions.find((v: any) => v.currentMajor && v.currentMinor),
};
} catch (error) {
throw new Error(`Failed to read ${versionsFileName}: ${error}`);
}

return () => versions;
})();

export { getKibanaDir, getVersionsFile };
6 changes: 6 additions & 0 deletions .buildkite/scripts/common/util.sh
Original file line number Diff line number Diff line change
Expand Up @@ -172,3 +172,9 @@ npm_install_global() {
download_artifact() {
retry 3 1 timeout 3m buildkite-agent artifact download "$@"
}

print_if_dry_run() {
if [[ "${DRY_RUN:-}" =~ ^(1|true)$ ]]; then
echo "DRY_RUN is enabled."
fi
}
Original file line number Diff line number Diff line change
@@ -0,0 +1,5 @@
#!/bin/bash

set -euo pipefail

ts-node .buildkite/scripts/pipelines/trigger_version_dependent_jobs/pipeline.ts
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