gitlab-ci-local
Version:
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104 lines • 18.3 kB
JavaScript
import chalk from "chalk";
import assert, { AssertionError } from "assert";
import pMap from "p-map";
export class Executor {
static async runLoop(argv, jobs, stages, potentialStarters) {
let startCandidates = [];
do {
startCandidates = Executor.getStartCandidates(jobs, stages, potentialStarters, argv.manual);
if (startCandidates.length > 0) {
const mapper = async (startCandidate) => startCandidate.start();
await pMap(startCandidates, mapper, { concurrency: argv.concurrency ?? startCandidates.length });
}
} while (startCandidates.length > 0);
}
static getStartCandidates(jobs, stages, potentialStarters, manuals) {
const startCandidates = [];
for (const job of [...new Set(potentialStarters)]) {
if (job.started)
continue;
const jobsToWaitFor = Executor.getPastToWaitFor(jobs, stages, job, manuals);
if (Executor.isNotFinished(jobsToWaitFor)) {
continue;
}
if (job.when === "on_success" && Executor.isPastFailed(jobsToWaitFor)) {
continue;
}
if (job.when === "manual" && Executor.isPastFailed(jobsToWaitFor)) {
continue;
}
if (job.when === "on_failure" && !Executor.isPastFailed(jobsToWaitFor)) {
continue;
}
startCandidates.push(job);
}
return startCandidates;
}
static isPastFailed(jobsToWaitFor) {
const failJobs = jobsToWaitFor.filter(j => {
if (j.allowFailure) {
return false;
}
return (j.preScriptsExitCode ? j.preScriptsExitCode : 0) > 0;
});
return failJobs.length > 0;
}
static isNotFinished(jobsToWaitFor) {
const notFinishedJobs = jobsToWaitFor.filter(j => !j.finished);
return notFinishedJobs.length > 0;
}
static getFailed(jobs) {
return jobs.filter(j => j.finished && !j.allowFailure && (j.preScriptsExitCode ?? 0) > 0);
}
static getPastToWaitFor(jobs, stages, job, manuals) {
const jobsToWaitForSet = new Set();
let waitForLoopArray = [job];
while (waitForLoopArray.length > 0) {
const loopJob = waitForLoopArray.pop();
assert(loopJob != null, "Job not found in getPastToWaitFor, should be impossible!");
if (loopJob.needs) {
const neededToWaitFor = this.getNeededToWaitFor(jobs, manuals, loopJob);
waitForLoopArray.push(...neededToWaitFor);
}
else {
const previousToWaitFor = this.getPreviousToWaitFor(jobs, stages, loopJob);
waitForLoopArray = waitForLoopArray.concat(previousToWaitFor);
waitForLoopArray = waitForLoopArray.filter(j => j.when !== "never");
waitForLoopArray = waitForLoopArray.filter(j => j.when !== "manual" || manuals.includes(j.name));
}
waitForLoopArray.forEach(j => jobsToWaitForSet.add(j));
}
return [...jobsToWaitForSet];
}
static getNeededToWaitFor(jobs, manuals, job) {
const toWaitFor = [];
assert(job.needs != null, chalk `${job.name}.needs cannot be null in getNeededToWaitFor`);
for (const need of job.needs) {
const baseJobs = jobs.filter(j => j.baseName === need.job);
for (const j of baseJobs) {
if (j.when === "never" && !need.optional) {
throw new AssertionError({ message: chalk `{blueBright ${j.name}} is when:never, but its needed by {blueBright ${job.name}}` });
}
if (j.when === "never" && need.optional) {
continue;
}
if (j.when === "manual" && !manuals.includes(j.name)) {
throw new AssertionError({ message: chalk `{blueBright ${j.name}} is when:manual, its needed by {blueBright ${job.name}}, and not specified in --manual` });
}
assert(job.name !== j.name, chalk `This GitLab CI configuration is invalid: The pipeline has circular dependencies: self-dependency: {blueBright ${need.job}}.`);
toWaitFor.push(j);
}
}
return toWaitFor;
}
static getPreviousToWaitFor(jobs, stages, job) {
const previousToWaitFor = [];
const stageIndex = stages.indexOf(job.stage);
const pastStages = stages.slice(0, stageIndex);
pastStages.forEach((pastStage) => {
previousToWaitFor.push(...[...jobs.values()].filter(j => j.stage === pastStage));
});
return previousToWaitFor;
}
}
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chalk from \"chalk\";\nimport {Job} from \"./job.js\";\nimport assert, {AssertionError} from \"assert\";\nimport {Argv} from \"./argv.js\";\nimport pMap from \"p-map\";\n\nexport class Executor {\n\n    static async runLoop (argv: Argv, jobs: ReadonlyArray<Job>, stages: readonly string[], potentialStarters: Job[]) {\n        let startCandidates = [];\n\n        do {\n            startCandidates = Executor.getStartCandidates(jobs, stages, potentialStarters, argv.manual);\n            if (startCandidates.length > 0) {\n                const mapper = async (startCandidate: Job) => startCandidate.start();\n                await pMap(startCandidates, mapper, {concurrency: argv.concurrency ?? startCandidates.length});\n            }\n        } while (startCandidates.length > 0);\n    }\n\n    static getStartCandidates (jobs: ReadonlyArray<Job>, stages: readonly string[], potentialStarters: readonly Job[], manuals: string[]) {\n        const startCandidates = [];\n\n        for (const job of [...new Set<Job>(potentialStarters)]) {\n            if (job.started) continue;\n\n            const jobsToWaitFor = Executor.getPastToWaitFor(jobs, stages, job, manuals);\n            if (Executor.isNotFinished(jobsToWaitFor)) {\n                continue;\n            }\n            if (job.when === \"on_success\" && Executor.isPastFailed(jobsToWaitFor)) {\n                continue;\n            }\n            if (job.when === \"manual\" && Executor.isPastFailed(jobsToWaitFor)) {\n                continue;\n            }\n            if (job.when === \"on_failure\" && !Executor.isPastFailed(jobsToWaitFor)) {\n                continue;\n            }\n\n            startCandidates.push(job);\n        }\n        return startCandidates;\n    }\n\n    static isPastFailed (jobsToWaitFor: ReadonlyArray<Job>) {\n        const failJobs = jobsToWaitFor.filter(j => {\n            if (j.allowFailure) {\n                return false;\n            }\n            return (j.preScriptsExitCode ? j.preScriptsExitCode : 0) > 0;\n        });\n        return failJobs.length > 0;\n    }\n\n    static isNotFinished (jobsToWaitFor: ReadonlyArray<Job>) {\n        const notFinishedJobs = jobsToWaitFor.filter(j => !j.finished);\n        return notFinishedJobs.length > 0;\n    }\n\n    static getFailed (jobs: ReadonlyArray<Job>) {\n        return jobs.filter(j => j.finished && !j.allowFailure && (j.preScriptsExitCode ?? 0) > 0);\n    }\n\n    static getPastToWaitFor (jobs: ReadonlyArray<Job>, stages: readonly string[], job: Job, manuals: string[]) {\n        const jobsToWaitForSet = new Set<Job>();\n        let waitForLoopArray: Job[] = [job];\n\n        while (waitForLoopArray.length > 0) {\n            const loopJob = waitForLoopArray.pop();\n            assert(loopJob != null, \"Job not found in getPastToWaitFor, should be impossible!\");\n            if (loopJob.needs) {\n                const neededToWaitFor = this.getNeededToWaitFor(jobs, manuals, loopJob);\n                waitForLoopArray.push(...neededToWaitFor);\n            } else {\n                const previousToWaitFor = this.getPreviousToWaitFor(jobs, stages, loopJob);\n                waitForLoopArray = waitForLoopArray.concat(previousToWaitFor);\n                waitForLoopArray = waitForLoopArray.filter(j => j.when !== \"never\");\n                waitForLoopArray = waitForLoopArray.filter(j => j.when !== \"manual\" || manuals.includes(j.name));\n            }\n            waitForLoopArray.forEach(j => jobsToWaitForSet.add(j));\n        }\n        return [...jobsToWaitForSet];\n    }\n\n    static getNeededToWaitFor (jobs: ReadonlyArray<Job>, manuals: string[], job: Job) {\n        const toWaitFor = [];\n        assert(job.needs != null, chalk`${job.name}.needs cannot be null in getNeededToWaitFor`);\n        for (const need of job.needs) {\n            const baseJobs = jobs.filter(j => j.baseName === need.job);\n            for (const j of baseJobs) {\n                if (j.when === \"never\" && !need.optional) {\n                    throw new AssertionError({message: chalk`{blueBright ${j.name}} is when:never, but its needed by {blueBright ${job.name}}`});\n                }\n                if (j.when === \"never\" && need.optional) {\n                    continue;\n                }\n                if (j.when === \"manual\" && !manuals.includes(j.name)) {\n                    throw new AssertionError({message: chalk`{blueBright ${j.name}} is when:manual, its needed by {blueBright ${job.name}}, and not specified in --manual`});\n                }\n                assert(job.name !== j.name, chalk`This GitLab CI configuration is invalid: The pipeline has circular dependencies: self-dependency: {blueBright ${need.job}}.`);\n                toWaitFor.push(j);\n            }\n        }\n        return toWaitFor;\n    }\n\n    static getPreviousToWaitFor (jobs: ReadonlyArray<Job>, stages: readonly string[], job: Job) {\n        const previousToWaitFor: Job[] = [];\n        const stageIndex = stages.indexOf(job.stage);\n        const pastStages = stages.slice(0, stageIndex);\n        pastStages.forEach((pastStage) => {\n            previousToWaitFor.push(...[...jobs.values()].filter(j => j.stage === pastStage));\n        });\n        return previousToWaitFor;\n    }\n}\n"]}