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#!/usr/bin/env node
import {
type Command,
Either,
LogTraceable,
getRequiredEnvVars,
getStdout,
isObject,
LogMetricTraceable,
Metric,
prependWith,
TraceUtil,
IEither,
} from '@emprespresso/pengueno';
import { mkdir, readFile, rm } from 'fs/promises';
import { join } from 'path';
import { type CheckoutCiJob, type FetchCodeJob, PipelineImpl } from '@emprespresso/ci_model';
import { executeJob, executePipeline } from '@emprespresso/ci_worker';
export interface CiWorkflow {
workflow: string;
}
export function isCiWorkflow(t: unknown): t is CiWorkflow {
return isObject(t) && 'workflow' in t && typeof t.workflow === 'string' && !t.workflow.includes('..');
}
const CI_WORKFLOW_FILE = '.ci/ci.json';
const OCI_REGISTRY = 'oci.liz.coffee';
const PIPELINE_IMAGE = OCI_REGISTRY + '/emprespresso/ci_worker:release';
const READONLY_CREDENTIALS = { username: 'readonly', password: 'readonly' };
const run = Date.now().toString();
const eitherJob = getRequiredEnvVars(['remote', 'refname', 'rev']).mapRight(
(baseArgs) =>
<CheckoutCiJob>{
type: 'checkout_ci.js',
arguments: {
...baseArgs,
run,
returnPath: process.cwd(),
},
},
);
const afterJob = eitherJob.flatMapAsync((job) =>
Either.fromFailableAsync(() => rm(getWorkingDirectoryForCiJob(job), { recursive: true })),
);
const ciRunMetric = Metric.fromName('checkout_ci.run');
const _logJob = LogTraceable.of(eitherJob).flatMap(TraceUtil.withTrace(`checkout_ci.${run}`));
await LogMetricTraceable.ofLogTraceable(_logJob)
.flatMap(TraceUtil.withMetricTrace(ciRunMetric))
.map((tEitherJob) =>
tEitherJob.get().flatMapAsync((ciJob) => {
const wd = getWorkingDirectoryForCiJob(ciJob);
const fetchPackageJob = <FetchCodeJob>{
type: 'fetch_code',
arguments: {
remoteUrl: ciJob.arguments.remote,
checkout: ciJob.arguments.rev,
path: getSrcDirectoryForCiJob(ciJob),
},
};
return Either.fromFailableAsync<Error, CheckoutCiJob>(() =>
mkdir(wd, { recursive: true })
.then(() => process.chdir(wd))
.then(() => tEitherJob.move(fetchPackageJob).map(executeJob).get())
.then((e) =>
e.fold(
(err) => {
throw err;
},
() => ciJob,
),
),
);
}),
)
.map(async (tEitherCiJob) => {
const eitherCiJob = await tEitherCiJob.get();
const repoCiFileContents = await eitherCiJob.flatMapAsync((ciJob) =>
Either.fromFailableAsync<Error, string>(() =>
readFile(join(getSrcDirectoryForCiJob(ciJob), CI_WORKFLOW_FILE), 'utf-8'),
),
);
return repoCiFileContents
.flatMap((fileText) => Either.fromFailable<Error, unknown>(() => JSON.parse(fileText)))
.flatMap((json) =>
eitherCiJob.flatMap((ciJob): IEither<Error, { commands: Array<Command>; job: CheckoutCiJob }> => {
if (!isCiWorkflow(json)) {
const e = new Error("couldn't find any valid ci configuration (｡•́︿•̀｡), that's okay~");
return Either.left(e);
}
return Either.right({
commands: getPipelineGenerationCommand(ciJob, json.workflow),
job: ciJob,
});
}),
);
})
.map(async (tEitherPipelineGenerationCommand) => {
const eitherJobCommand = await tEitherPipelineGenerationCommand.get();
const pipelineSerialized = await eitherJobCommand.flatMapAsync(({ commands }) => {
return Either.joinRightAsync(
commands,
(command) => tEitherPipelineGenerationCommand.move(command).map(getStdout).get(),
Either.right<Error, string>(''),
);
});
return pipelineSerialized
.flatMap((s) => PipelineImpl.from(s))
.flatMap((pipeline) => eitherJobCommand.mapRight(({ job }) => ({ job, pipeline })));
})
.peek(
TraceUtil.promiseify((tEitherPipeline) =>
tEitherPipeline
.get()
.mapRight((val) => val.pipeline.serialize())
.mapRight((pipeline) => `built the pipeline~ (◕ᴗ◕✿) let's make something amazing! ${pipeline}`)
.mapRight((msg) => tEitherPipeline.trace.trace(msg)),
),
)
.map(async (tEitherPipeline) => {
const eitherPipeline = await tEitherPipeline.get();
return eitherPipeline.flatMapAsync(({ pipeline, job }) =>
tEitherPipeline
.move(pipeline)
.map((p) =>
executePipeline(p, {
HOME: getWorkingDirectoryForCiJob(job),
}),
)
.get(),
);
})
.map(async (tCompletePipeline) => {
const completePipeline = await tCompletePipeline.get();
return completePipeline.fold(
(e) => Promise.reject(e),
() => afterJob,
);
})
.get();
function getWorkingDirectoryForCiJob(job: CheckoutCiJob) {
return `${job.arguments.returnPath}/${job.arguments.run}`;
}
function getSrcDirectoryForCiJob(job: CheckoutCiJob) {
return `${job.arguments.returnPath}/${job.arguments.run}/src`;
}
function getPipelineGenerationCommand(
job: CheckoutCiJob,
pipelineGeneratorPath: string,
credentials = READONLY_CREDENTIALS,
registry = OCI_REGISTRY,
image = PIPELINE_IMAGE,
runFlags = '--rm --network none --cap-drop ALL --security-opt no-new-privileges'.split(' '),
): Array<Command> {
return [
`docker login --username ${credentials.username} --password ${credentials.password} ${registry}`.split(' '),
].concat([
[
'docker',
'run',
...runFlags,
...prependWith(
Object.entries(job.arguments).map(([key, val]) => `"${key}"="${val}"`),
'-e',
),
'-v',
`${getSrcDirectoryForCiJob(job)}/${pipelineGeneratorPath}:/pipeline_generator`,
image,
'/pipeline_generator',
],
]);
}
|
