import {parse} from 'csv-parse/sync'; import fs from 'fs'; import path from 'path'; import * as semver from 'semver'; import * as exec from '@actions/exec'; import * as context from './context'; export async function getImageIDFile(): Promise { return path.join(context.tmpDir(), 'iidfile').split(path.sep).join(path.posix.sep); } export async function getImageID(): Promise { const iidFile = await getImageIDFile(); if (!fs.existsSync(iidFile)) { return undefined; } return fs.readFileSync(iidFile, {encoding: 'utf-8'}).trim(); } export async function getMetadataFile(): Promise { return path.join(context.tmpDir(), 'metadata-file').split(path.sep).join(path.posix.sep); } export async function getMetadata(): Promise { const metadataFile = await getMetadataFile(); if (!fs.existsSync(metadataFile)) { return undefined; } const content = fs.readFileSync(metadataFile, {encoding: 'utf-8'}).trim(); if (content === 'null') { return undefined; } return content; } export async function getDigest(metadata: string | undefined): Promise { if (metadata === undefined) { return undefined; } const metadataJSON = JSON.parse(metadata); if (metadataJSON['containerimage.digest']) { return metadataJSON['containerimage.digest']; } return undefined; } export async function getSecretString(kvp: string): Promise { return getSecret(kvp, false); } export async function getSecretFile(kvp: string): Promise { return getSecret(kvp, true); } export async function getSecret(kvp: string, file: boolean): Promise { const delimiterIndex = kvp.indexOf('='); const key = kvp.substring(0, delimiterIndex); let value = kvp.substring(delimiterIndex + 1); if (key.length == 0 || value.length == 0) { throw new Error(`${kvp} is not a valid secret`); } if (file) { if (!fs.existsSync(value)) { throw new Error(`secret file ${value} not found`); } value = fs.readFileSync(value, {encoding: 'utf-8'}); } const secretFile = context.tmpNameSync({ tmpdir: context.tmpDir() }); fs.writeFileSync(secretFile, value); return `id=${key},src=${secretFile}`; } export function isLocalOrTarExporter(outputs: string[]): boolean { const records = parse(outputs.join(`\n`), { delimiter: ',', trim: true, columns: false, relaxColumnCount: true }); for (const record of records) { // Local if no type is defined // https://github.com/docker/buildx/blob/d2bf42f8b4784d83fde17acb3ed84703ddc2156b/build/output.go#L29-L43 if (record.length == 1 && !record[0].startsWith('type=')) { return true; } for (const [key, value] of record.map(chunk => chunk.split('=').map(item => item.trim()))) { if (key == 'type' && (value == 'local' || value == 'tar')) { return true; } } } return false; } export function hasGitAuthToken(secrets: string[]): boolean { for (const secret of secrets) { if (secret.startsWith('GIT_AUTH_TOKEN=')) { return true; } } return false; } export async function isAvailable(standalone?: boolean): Promise { const cmd = getCommand([], standalone); return await exec .getExecOutput(cmd.command, cmd.args, { ignoreReturnCode: true, silent: true }) .then(res => { if (res.stderr.length > 0 && res.exitCode != 0) { return false; } return res.exitCode == 0; }) // eslint-disable-next-line @typescript-eslint/no-unused-vars .catch(error => { return false; }); } export async function getVersion(standalone?: boolean): Promise { const cmd = getCommand(['version'], standalone); return await exec .getExecOutput(cmd.command, cmd.args, { ignoreReturnCode: true, silent: true }) .then(res => { if (res.stderr.length > 0 && res.exitCode != 0) { throw new Error(res.stderr.trim()); } return parseVersion(res.stdout.trim()); }); } export function parseVersion(stdout: string): string { const matches = /\sv?([0-9a-f]{7}|[0-9.]+)/.exec(stdout); if (!matches) { throw new Error(`Cannot parse buildx version`); } return matches[1]; } export function satisfies(version: string, range: string): boolean { return semver.satisfies(version, range) || /^[0-9a-f]{7}$/.exec(version) !== null; } export function getCommand(args: Array, standalone?: boolean) { return { command: standalone ? 'buildx' : 'docker', args: standalone ? args : ['buildx', ...args] }; }