cdk8s-operator/lib/cli/cdk8s-server.js

Create Kubernetes CRD Operators using CDK8s Constructs

#!/usr/bin/env node
"use strict";
// cdk8s-server: http server which synthesizes cdk operators
// ------------------------------------------------------------------------------------
// request body should include an input manifest for a single resource
// response will include the synthesized output manifest
Object.defineProperty(exports, "__esModule", { value: true });
const fs = require("fs");
const yaml = require("yaml");
const server_1 = require("../server");
async function main() {
    const command = resolveAppFromCommandLine() ?? resolveAppFromConfig();
    if (!command) {
        throw new Error('unable to determine how to execute your CDK8s app. You can either pass a command line as arguments (cdk8s-server COMMAND) or specify the "app" attribute in cdk8s.yaml');
    }
    // needed in docker
    process.on('SIGINT', () => process.exit());
    ;
    const server = new server_1.Server({ appCommand: command });
    const port = await server.listen();
    console.error(`Listening on ${port}`);
    console.error(`- App command: ${command}`);
    console.error('- Request body should include a single k8s resource in JSON format');
    console.error(`- Request will be piped through STDIN to "${command}"`);
    console.error('- Response is the STDOUT and expected to be a multi-resource yaml manifest');
}
main().catch((e) => {
    console.error(e.stack);
    process.exit(1);
});
function resolveAppFromConfig() {
    if (!fs.existsSync('cdk8s.yaml')) {
        return undefined;
    }
    const config = yaml.parse(fs.readFileSync('cdk8s.yaml', 'utf-8'));
    return config.app;
}
function resolveAppFromCommandLine() {
    if (process.argv.length < 3) {
        return undefined;
    }
    return process.argv.slice(2).join(' ');
}
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