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