Add coder cloud expose command

src/node/cli.ts

@@ -47,6 +47,8 @@ export interface Args extends VsArgs {
   readonly _: string[]
   readonly "reuse-window"?: boolean
   readonly "new-window"?: boolean
+
+  readonly "expose"?: OptionalString
 }
 
 interface Option<T> {
@@ -155,6 +157,9 @@ const options: Options<Required<Args>> = {
   locale: { type: "string" },
   log: { type: LogLevel },
   verbose: { type: "boolean", short: "vvv", description: "Enable verbose logging." },
+
+  "expose": { type: OptionalString, description: "Expose via Coder Cloud with the passed name. You'll get a URL" +
+    "like https://myname.coder-cloud.com at which you can easily access your code-server instance. Authorization is done via GitHub." },
 }
 
 export const optionDescriptions = (): string[] => {

src/node/coder-cloud.ts

@@ -0,0 +1,30 @@
+import { spawn } from "child_process"
+import path from "path"
+import { logger } from "@coder/logger"
+import split2 from "split2"
+
+export async function coderCloudExpose(serverName: string): Promise<void> {
+  const coderCloudAgent = path.resolve(__dirname, "../../lib/coder-cloud-agent")
+  const agent = spawn(coderCloudAgent, ["link", serverName], {
+    stdio: ["inherit", "inherit", "pipe"],
+  })
+
+  agent.stderr.pipe(split2()).on("data", line => {
+    line = line.replace(/^[0-9-]+ [0-9:]+ [^ ]+\t/, "")
+    logger.info(line)
+  })
+
+  return new Promise((res, rej) => {
+    agent.on("error", rej)
+
+    agent.on("close", code => {
+      if (code !== 0) {
+        rej({
+          message: `coder cloud agent exited with ${code}`,
+        })
+        return
+      }
+      res()
+    })
+  })
+}

src/node/entry.ts

@@ -16,6 +16,7 @@ import { AuthType, HttpServer, HttpServerOptions } from "./http"
 import { loadPlugins } from "./plugin"
 import { generateCertificate, hash, humanPath, open } from "./util"
 import { ipcMain, wrap } from "./wrapper"
+import { coderCloudExpose } from "./coder-cloud"
 
 process.on("uncaughtException", (error) => {
   logger.error(`Uncaught exception: ${error.message}`)
@@ -188,6 +189,20 @@ async function entry(): Promise<void> {
       process.exit(1)
     })
     vscode.on("exit", (code) => process.exit(code || 0))
+  } else if (args["expose"]) {
+    logger.debug("exposing code-server via the coder-cloud agent")
+
+    if (!args["expose"].value) {
+      logger.error("You must pass a name to expose with coder cloud. See --help")
+      process.exit(1)
+    }
+
+    try {
+      await coderCloudExpose(args["expose"].value)
+    } catch (err) {
+      logger.error(err.message)
+      process.exit(1)
+    }
   } else if (process.env.VSCODE_IPC_HOOK_CLI) {
     const pipeArgs: OpenCommandPipeArgs = {
       type: "open",