download-artifact/src/download-artifact.ts

116 lines
3.3 KiB
TypeScript

import * as os from 'os'
import * as path from 'path'
import * as core from '@actions/core'
import artifactClient from '@actions/artifact'
import type {Artifact, FindOptions} from '@actions/artifact'
import {Inputs, Outputs} from './constants'
const PARALLEL_DOWNLOADS = 5
export const chunk = <T>(arr: T[], n: number): T[][] =>
arr.reduce((acc, cur, i) => {
const index = Math.floor(i / n)
acc[index] = [...(acc[index] || []), cur]
return acc
}, [] as T[][])
async function run(): Promise<void> {
const inputs = {
name: core.getInput(Inputs.Name, {required: false}),
path: core.getInput(Inputs.Path, {required: false}),
token: core.getInput(Inputs.GitHubToken, {required: false}),
repository: core.getInput(Inputs.Repository, {required: false}),
runID: parseInt(core.getInput(Inputs.RunID, {required: false}))
}
if (!inputs.path) {
inputs.path = process.env['GITHUB_WORKSPACE'] || process.cwd()
}
if (inputs.path.startsWith(`~`)) {
inputs.path = inputs.path.replace('~', os.homedir())
}
const isSingleArtifactDownload = !!inputs.name
const resolvedPath = path.resolve(inputs.path)
core.debug(`Resolved path is ${resolvedPath}`)
const options: FindOptions = {}
if (inputs.token) {
const [repositoryOwner, repositoryName] = inputs.repository.split('/')
if (!repositoryOwner || !repositoryName) {
throw new Error(
`Invalid repository: '${inputs.repository}'. Must be in format owner/repo`
)
}
options.findBy = {
token: inputs.token,
workflowRunId: inputs.runID,
repositoryName,
repositoryOwner
}
}
let artifacts: Artifact[] = []
if (isSingleArtifactDownload) {
core.info(`Downloading single artifact`)
const {artifact: targetArtifact} = await artifactClient.getArtifact(
inputs.name,
options
)
if (!targetArtifact) {
throw new Error(`Artifact '${inputs.name}' not found`)
}
core.debug(
`Found named artifact '${inputs.name}' (ID: ${targetArtifact.id}, Size: ${targetArtifact.size})`
)
artifacts = [targetArtifact]
} else {
core.info(
`No input name specified, downloading all artifacts. Extra directory with the artifact name will be created for each download`
)
const listArtifactResponse = await artifactClient.listArtifacts({
latest: true,
...options
})
if (listArtifactResponse.artifacts.length === 0) {
throw new Error(
`No artifacts found for run '${inputs.runID}' in '${inputs.repository}'`
)
}
core.debug(`Found ${listArtifactResponse.artifacts.length} artifacts`)
artifacts = listArtifactResponse.artifacts
}
const downloadPromises = artifacts.map(artifact =>
artifactClient.downloadArtifact(artifact.id, {
...options,
path: isSingleArtifactDownload
? resolvedPath
: path.join(resolvedPath, artifact.name)
})
)
const chunkedPromises = chunk(downloadPromises, PARALLEL_DOWNLOADS)
for (const chunk of chunkedPromises) {
await Promise.all(chunk)
}
core.info(`Total of ${artifacts.length} artifact(s) downloaded`)
core.setOutput(Outputs.DownloadPath, resolvedPath)
core.info('Download artifact has finished successfully')
}
run().catch(err =>
core.setFailed(`Unable to download artifact(s): ${err.message}`)
)