build-push-action/src/main.ts

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import * as fs from 'fs';
import * as buildx from './buildx';
import * as context from './context';
import * as docker from './docker';
import * as stateHelper from './state-helper';
import * as core from '@actions/core';
import * as exec from '@actions/exec';
async function run(): Promise<void> {
try {
const defContext = context.defaultContext();
const inputs: context.Inputs = await context.getInputs(defContext);
// standalone if docker cli not available
const standalone = !(await docker.isAvailable());
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 (!(await buildx.isAvailable(standalone))) {
core.setFailed(`Docker buildx is required. See https://github.com/docker/setup-buildx-action to set up buildx.`);
return;
}
stateHelper.setTmpDir(context.tmpDir());
const buildxVersion = await buildx.getVersion(standalone);
await core.group(`Buildx version`, async () => {
const versionCmd = buildx.getCommand(['version'], standalone);
await exec.exec(versionCmd.command, versionCmd.args, {
failOnStdErr: false
});
});
const args: string[] = await context.getArgs(inputs, defContext, buildxVersion);
const buildCmd = buildx.getCommand(args, standalone);
await exec
.getExecOutput(buildCmd.command, buildCmd.args, {
ignoreReturnCode: true
})
.then(res => {
if (res.stderr.length > 0 && res.exitCode != 0) {
throw new Error(`buildx failed with: ${res.stderr.match(/(.*)\s*$/)?.[0]?.trim() ?? 'unknown error'}`);
}
});
const imageID = await buildx.getImageID();
const metadata = await buildx.getMetadata();
const digest = await buildx.getDigest(metadata);
if (imageID) {
await core.group(`ImageID`, async () => {
core.info(imageID);
context.setOutput('imageid', imageID);
});
}
if (digest) {
await core.group(`Digest`, async () => {
core.info(digest);
context.setOutput('digest', digest);
});
}
if (metadata) {
await core.group(`Metadata`, async () => {
core.info(metadata);
context.setOutput('metadata', metadata);
});
}
} catch (error) {
core.setFailed(error.message);
}
}
async function cleanup(): Promise<void> {
if (stateHelper.tmpDir.length > 0) {
core.startGroup(`Removing temp folder ${stateHelper.tmpDir}`);
fs.rmdirSync(stateHelper.tmpDir, {recursive: true});
core.endGroup();
}
}
if (!stateHelper.IsPost) {
run();
} else {
cleanup();
}