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main.ts
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main.ts
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import * as fs from 'fs';
import * as os from 'os';
import * as path from 'path';
import * as auth from './auth';
import * as buildx from './buildx';
import * as context from './context';
import * as docker from './docker';
import * as stateHelper from './state-helper';
import * as util from './util';
import * as core from '@actions/core';
import * as exec from '@actions/exec';
async function run(): Promise<void> {
try {
const inputs: context.Inputs = await context.getInputs();
const dockerConfigHome: string = process.env.DOCKER_CONFIG || path.join(os.homedir(), '.docker');
// standalone if docker cli not available
const standalone = !(await docker.isAvailable());
stateHelper.setStandalone(standalone);
core.startGroup(`Docker info`);
if (standalone) {
core.info(`Docker info skipped in standalone mode`);
} else {
await exec.exec('docker', ['version'], {
failOnStdErr: false
});
await exec.exec('docker', ['info'], {
failOnStdErr: false
});
}
core.endGroup();
if (util.isValidUrl(inputs.version)) {
if (standalone) {
throw new Error(`Cannot build from source without the Docker CLI`);
}
core.startGroup(`Build and install buildx`);
await buildx.build(inputs.version, dockerConfigHome, standalone);
core.endGroup();
} else if (!(await buildx.isAvailable(standalone)) || inputs.version) {
core.startGroup(`Download and install buildx`);
await buildx.install(inputs.version || 'latest', standalone ? context.tmpDir() : dockerConfigHome, standalone);
core.endGroup();
}
const buildxVersion = await buildx.getVersion(standalone);
await core.group(`Buildx version`, async () => {
const versionCmd = buildx.getCommand(['version'], standalone);
await exec.exec(versionCmd.commandLine, versionCmd.args, {
failOnStdErr: false
});
});
core.setOutput('name', inputs.name);
stateHelper.setBuilderName(inputs.name);
const credsdir = path.join(dockerConfigHome, 'buildx', 'creds', inputs.name);
fs.mkdirSync(credsdir, {recursive: true});
stateHelper.setCredsDir(credsdir);
if (inputs.driver !== 'docker') {
core.startGroup(`Creating a new builder instance`);
const authOpts = auth.setCredentials(credsdir, 0, inputs.driver, inputs.endpoint);
if (authOpts.length > 0) {
inputs.driverOpts = [...inputs.driverOpts, ...authOpts];
}
const createCmd = buildx.getCommand(await context.getCreateArgs(inputs, buildxVersion), standalone);
await exec.exec(createCmd.commandLine, createCmd.args);
core.endGroup();
}
core.startGroup(`Booting builder`);
const inspectCmd = buildx.getCommand(await context.getInspectArgs(inputs, buildxVersion), standalone);
await exec.exec(inspectCmd.commandLine, inspectCmd.args);
core.endGroup();
if (inputs.install) {
if (standalone) {
throw new Error(`Cannot set buildx as default builder without the Docker CLI`);
}
core.startGroup(`Setting buildx as default builder`);
await exec.exec('docker', ['buildx', 'install']);
core.endGroup();
}
core.startGroup(`Inspect builder`);
const builder = await buildx.inspect(inputs.name, standalone);
const firstNode = builder.nodes[0];
core.info(JSON.stringify(builder, undefined, 2));
core.setOutput('driver', builder.driver);
core.setOutput('platforms', firstNode.platforms);
core.setOutput('nodes', JSON.stringify(builder.nodes, undefined, 2));
core.setOutput('endpoint', firstNode.endpoint); // TODO: deprecated, to be removed in a later version
core.setOutput('status', firstNode.status); // TODO: deprecated, to be removed in a later version
core.setOutput('flags', firstNode['buildkitd-flags']); // TODO: deprecated, to be removed in a later version
core.endGroup();
if (!standalone && builder.driver == 'docker-container') {
stateHelper.setContainerName(`buildx_buildkit_${firstNode.name}`);
core.startGroup(`BuildKit version`);
for (const node of builder.nodes) {
const bkvers = await buildx.getBuildKitVersion(`buildx_buildkit_${node.name}`);
core.info(`${node.name}: ${bkvers}`);
}
core.endGroup();
}
if (core.isDebug() || firstNode['buildkitd-flags']?.includes('--debug')) {
stateHelper.setDebug('true');
}
} catch (error) {
core.setFailed(error.message);
}
}
async function cleanup(): Promise<void> {
if (stateHelper.IsDebug && stateHelper.containerName.length > 0) {
core.startGroup(`BuildKit container logs`);
await exec
.getExecOutput('docker', ['logs', `${stateHelper.containerName}`], {
ignoreReturnCode: true
})
.then(res => {
if (res.stderr.length > 0 && res.exitCode != 0) {
core.warning(res.stderr.trim());
}
});
core.endGroup();
}
if (stateHelper.builderName.length > 0) {
core.startGroup(`Removing builder`);
const rmCmd = buildx.getCommand(['rm', stateHelper.builderName], /true/i.test(stateHelper.standalone));
await exec
.getExecOutput(rmCmd.commandLine, rmCmd.args, {
ignoreReturnCode: true
})
.then(res => {
if (res.stderr.length > 0 && res.exitCode != 0) {
core.warning(res.stderr.trim());
}
});
core.endGroup();
}
if (stateHelper.credsDir.length > 0 && fs.existsSync(stateHelper.credsDir)) {
core.info(`Cleaning up credentials`);
fs.rmdirSync(stateHelper.credsDir, {recursive: true});
}
}
if (!stateHelper.IsPost) {
run();
} else {
cleanup();
}