build-push-action/src/buildx.ts

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import fs from 'fs';
import path from 'path';
import csvparse from 'csv-parse/lib/sync';
import * as semver from 'semver';
import * as context from './context';
import * as exec from './exec';
export async function getImageIDFile(): Promise<string> {
return path.join(context.tmpDir(), 'iidfile').split(path.sep).join(path.posix.sep);
}
export async function getImageID(): Promise<string | undefined> {
const iidFile = await getImageIDFile();
if (!fs.existsSync(iidFile)) {
return undefined;
}
return fs.readFileSync(iidFile, {encoding: 'utf-8'});
}
export async function getSecret(kvp: string): Promise<string> {
const [key, value] = kvp.split('=');
const secretFile = context.tmpNameSync({
tmpdir: context.tmpDir()
});
await fs.writeFileSync(secretFile, value);
return `id=${key},src=${secretFile}`;
}
export function isLocalOrTarExporter(outputs: string[]): Boolean {
for (let output of csvparse(outputs.join(`\n`), {
delimiter: ',',
trim: true,
columns: false,
relax_column_count: true
})) {
// Local if no type is defined
// https://github.com/docker/buildx/blob/d2bf42f8b4784d83fde17acb3ed84703ddc2156b/build/output.go#L29-L43
if (output.length == 1 && !output[0].startsWith('type=')) {
return true;
}
for (let [key, value] of output.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 (let secret of secrets) {
if (secret.startsWith('GIT_AUTH_TOKEN=')) {
return true;
}
}
return false;
}
export async function isAvailable(): Promise<Boolean> {
return await exec.exec(`docker`, ['buildx'], true).then(res => {
if (res.stderr != '' && !res.success) {
return false;
}
return res.success;
});
}
export async function getVersion(): Promise<string> {
return await exec.exec(`docker`, ['buildx', 'version'], true).then(res => {
if (res.stderr != '' && !res.success) {
throw new Error(res.stderr);
}
return parseVersion(res.stdout);
});
}
export async function parseVersion(stdout: string): Promise<string> {
const matches = /\sv?([0-9.]+)/.exec(stdout);
if (!matches) {
throw new Error(`Cannot parse Buildx version`);
}
return semver.clean(matches[1]);
}