riju/tools/build-lang-image.js

94 lines
2.7 KiB
JavaScript

import crypto from "crypto";
import { promises as fs } from "fs";
import http from "http";
import url from "url";
import { Command } from "commander";
import express from "express";
import { getSharedDepsForLangConfig, readLangConfig } from "../lib/yaml.js";
import { getLocalImageLabel } from "./docker-util.js";
import { hashDockerfile } from "./hash-dockerfile.js";
import { getDebHash, runCommand } from "./util.js";
// Get a Node.js http server object that will allow the Docker
// build to fetch files from outside the container, without them
// being in the build context.
function getServer() {
const app = express();
app.use("/fs", express.static("."));
return http.createServer(app);
}
// Parse command-line arguments, run main functionality, and exit.
async function main() {
const program = new Command();
program.requiredOption("--lang <id>", "language ID");
program.option("--debug", "interactive debugging");
program.parse(process.argv);
const { lang, debug } = program.opts();
const sharedDeps = await getSharedDepsForLangConfig(
await readLangConfig(lang)
);
const installContents = await fs.readFile(
`build/lang/${lang}/install.bash`,
"utf-8"
);
const sharedInstallContents = await Promise.all(
sharedDeps.map(async (name) =>
fs.readFile(`build/shared/${name}/install.bash`)
)
);
const allInstallContents = [].concat.apply(
[installContents],
sharedInstallContents
);
const hash = await hashDockerfile(
"lang",
{
"riju:base": await getLocalImageLabel("riju:base", "riju.image-hash"),
},
{
salt: {
langHash: await getDebHash(`build/lang/${lang}/riju-lang-${lang}.deb`),
sharedHashes: (
await Promise.all(
sharedDeps.map(
async (name) =>
await getDebHash(`build/shared/${name}/riju-shared-${name}.deb`)
)
)
).sort(),
installHash: allInstallContents
.map((c) => crypto.createHash("sha1").update(c).digest("hex"))
.join(""),
},
}
);
const server = getServer();
await new Promise((resolve) => server.listen(8487, "localhost", resolve));
try {
if (debug) {
await runCommand(
`docker run -it --rm -e LANG=${lang} -w /tmp/riju-work --network host base:runtime`
);
} else {
await runCommand(
`docker build . -f docker/lang/Dockerfile ` +
`--build-arg LANG=${lang} -t riju:lang-${lang} ` +
`--network host --no-cache --label riju.image-hash=${hash}`
);
}
} finally {
await server.close();
}
process.exit(0);
}
if (process.argv[1] === url.fileURLToPath(import.meta.url)) {
main().catch((err) => {
console.error(err);
process.exit(1);
});
}