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| # Build partitioning | ||
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| This script uses `bun` as runtime and has the purpose of splitting the monorepo build in 2 partitions that, when built, will ensure the entire monorepo has been covered. | ||
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| Each partition is completely independent from each other, and partition builds will be assigned a mode: | ||
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| - `none`: No source code changes or none of the changes affect this partition. | ||
| - `full`: All packages in the partition need to be built and tested. | ||
| - `partial`: Only selected packages of the partition were affected by the changes, so only this subset needs to be rebuilt and tested. | ||
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| ### Usage | ||
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| At the root of the monorepo, you can run | ||
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| ```bash | ||
| npx bun .github/supporting-files/ci/build-partitioning/build_partitioning.ts \ | ||
| --outputPath='/tmp/partitions.json' \ | ||
| --forceFull="false" \ | ||
| --baseSha="$(git rev-parse HEAD~1)" \ | ||
| --headSha="$(git rev-parse HEAD~0)" \ | ||
| --graphJsonPath='./repo/graph.json' | ||
| ``` | ||
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| - `--outputPath`: Where the resulting JSON should be written to. | ||
| - `--forceFull`: Wheter or not to force `full` mode | ||
| - `--baseSha`: Base Git commit SHA. | ||
| - `--headSha`: HEAD Git commit SHA. | ||
| - `--graphJsonPath`: Where to find the `graph.json` of the monorepo in Datavis graph format. |
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.github/supporting-files/ci/build-partitioning/assertions.ts
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| /* | ||
| * Licensed to the Apache Software Foundation (ASF) under one | ||
| * or more contributor license agreements. See the NOTICE file | ||
| * distributed with this work for additional information | ||
| * regarding copyright ownership. The ASF licenses this file | ||
| * to you under the Apache License, Version 2.0 (the | ||
| * "License"); you may not use this file except in compliance | ||
| * with the License. You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, | ||
| * software distributed under the License is distributed on an | ||
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | ||
| * KIND, either express or implied. See the License for the | ||
| * specific language governing permissions and limitations | ||
| * under the License. | ||
| */ | ||
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| import { PartitionDefinition } from "./types"; | ||
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| export async function assertLeafPackagesInPartitionsExist({ | ||
| packageNames, | ||
| allLeafPackages, | ||
| }: { | ||
| packageNames: string[]; | ||
| allLeafPackages: Set<string>; | ||
| }) { | ||
| const nonLeafPackagesInPartitions = new Set(packageNames.filter((l) => !allLeafPackages.has(l))); | ||
| console.log( | ||
| `[build-partitioning] Partition definitions only use leaf packages (${ | ||
| nonLeafPackagesInPartitions.size > 0 ? "❌" : "✅" | ||
| }):` | ||
| ); | ||
| if (nonLeafPackagesInPartitions.size > 0) { | ||
| console.error(`[build-partitioning] Non-leaf packages found in partition definitions. Aborting.`); | ||
| console.error(nonLeafPackagesInPartitions); | ||
| process.exit(1); | ||
| } | ||
| } | ||
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| export async function assertLeafPackagesInPartitionDefinitionsDontOverlap({ | ||
| allLeafPackages, | ||
| partitionDefinitions, | ||
| }: { | ||
| allLeafPackages: Set<string>; | ||
| partitionDefinitions: PartitionDefinition[]; | ||
| }) { | ||
| const leafPackagesOverlap = partitionDefinitions.flatMap((s) => [...s.leafPackageNames]); | ||
| const hasPartitionOverlap = allLeafPackages.size !== leafPackagesOverlap.length; | ||
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| console.log(`[build-partitioning] Partition definitions don't overlap (${hasPartitionOverlap ? "❌" : "✅"}):`); | ||
| if (hasPartitionOverlap) { | ||
| console.error(`[build-partitioning] Partitions definitions declare overlapping leaf packages. Aborting.`); | ||
| console.error(leafPackagesOverlap); | ||
| process.exit(1); | ||
| } | ||
| } | ||
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| export async function assertCompleteness({ | ||
| packageDirsByName, | ||
| partitions, | ||
| allPackageDirs, | ||
| }: { | ||
| packageDirsByName: Map<string, string>; | ||
| partitions: PartitionDefinition[]; | ||
| allPackageDirs: Set<string>; | ||
| }) { | ||
| const partitionsByPkgDir = new Map<string, string[]>(); | ||
| for (const p of partitions) { | ||
| for (const pkgDir of p.dirs) { | ||
| partitionsByPkgDir.set(pkgDir, [...(partitionsByPkgDir.get(pkgDir) ?? []), p.name]); | ||
| } | ||
| } | ||
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| const redundancyOnPartitionCombinations = new Map<string, string[]>(); | ||
| partitionsByPkgDir.forEach((partitions, pkgDir) => { | ||
| if (partitions.length > 1) { | ||
| // We're only interested in packages that are going to be built as part of more than one partition. | ||
| const key = partitions.sort().join(" & "); | ||
| redundancyOnPartitionCombinations.set(key, [...(redundancyOnPartitionCombinations.get(key) ?? []), pkgDir]); | ||
| } | ||
| }); | ||
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| console.log(`[build-partitioning] Packages that will be built by more than one partition:`); | ||
| console.log(redundancyOnPartitionCombinations); | ||
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| const completenessCheck = [...allPackageDirs].filter((pkgDir) => !partitionsByPkgDir.has(pkgDir)).length <= 0; | ||
| console.log(`[build-partitioning] Partition definitions completeness (${!completenessCheck ? "❌" : "✅"}):`); | ||
| if (!completenessCheck) { | ||
| console.error(`[build-partitioning] All packages count: ${allPackageDirs.size}`); | ||
| for (const p of partitions) { | ||
| console.error(`[build-partitioning] ${p.name} packages count: ${p.dirs.size}`); | ||
| } | ||
| process.exit(1); | ||
| } | ||
| return allPackageDirs; | ||
| } | ||
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| export async function assertOptimalPartialBuild(args: { | ||
| partition: PartitionDefinition; | ||
| upstreamPackageNamesInPartition: Set<string>; | ||
| affectedPackageNamesInPartition: Set<string>; | ||
| relevantPackageNamesInPartition: Set<string>; | ||
| }) { | ||
| const isOptimalPartialPartitionBuild = | ||
| args.upstreamPackageNamesInPartition.size + args.affectedPackageNamesInPartition.size === | ||
| args.relevantPackageNamesInPartition.size; | ||
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| console.log( | ||
| `[build-partitioning] 'Partial' build of '${args.partition.name}': Optimal build check ((${ | ||
| !isOptimalPartialPartitionBuild ? "❌" : "✅" | ||
| }))` | ||
| ); | ||
| if (!isOptimalPartialPartitionBuild) { | ||
| console.error(`[build-partitioning] Non-optimal 'Partial' build. Aborting.`); | ||
| process.exit(1); | ||
| } | ||
| } |
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