make it a proper package

both jupyterhub and configurable-http-proxy

lib/main.js

@@ -0,0 +1,54 @@
+#!/usr/bin/env node
+/*
+cli entrypoint for starting a Configurable Proxy
+
+*/
+var fs = require('fs');
+var args = require('commander');
+
+args
+    .version('0.0.0')
+    // .option('-h', '--help', 'show help')
+    .option('--key <keyfile>', 'SSL key to use, if any')
+    .option('--cert <certfile>', 'SSL certificate to use, if any')
+    .option('--ip <n>', 'Public-facing IP of the proxy', parseInt)
+    .option('--port <n>', 'Public-facing port of the proxy', parseInt)
+    .option('--upstream-ip <ip>', 'IP address of the default proxy target', 'localhost')
+    .option('--upstream-port <n>', 'Port of the default proxy target', parseInt)
+    .option('--api-ip <ip>', 'Inward-facing IP for API request', 'localhost')
+    .option('--api-port <n>', 'Inward-facing port for API request', parseInt)
+
+args.parse(process.argv);
+
+var ConfigurableProxy = require('./configproxy.js').ConfigurableProxy;
+
+var options = {};
+if (args.key) {
+    options.key = fs.readFileSync(args.key);
+}
+
+if (args.cert) {
+    options.cert = fs.readFileSync(args.cert);
+}
+
+// because camelCase is the js way!
+options.upstream_ip = args.upstreamIp;
+options.upstream_port = args.upstreamPort;
+options.auth_token = process.env.CONFIGPROXY_AUTH_TOKEN;
+
+var proxy = new ConfigurableProxy(options);
+
+var listen = {};
+listen.port = args.port || 8000;
+listen.ip = args.ip;
+listen.api_ip = args.apiIp || 'localhost';
+listen.api_port = args.apiPort || listen.port + 1;
+
+proxy.proxy_server.listen(listen.port, listen.ip);
+proxy.api_server.listen(listen.api_port, listen.api_ip);
+
+console.log("Proxying %s:%s to %s:%s", (listen.ip || '*'), listen.port,
+    proxy.upstream_ip, proxy.upstream_port
+);
+console.log("Proxy API at %s:%s/api/routes", (listen.api_ip || '*'), listen.api_port);
+