Unable to access VSCode behind inverse proxy #2606

gogasca · 2021-01-19T09:48:40Z

gogasca
Jan 19, 2021

Web Browser: Chrome 87 or Firefox
Local OS: MacOS
Remote OS: Ubuntu 1804
Remote Architecture: Google Cloud
code-server --version: 3.8.0 c4610f7

Problem description:

When I try to access VSCode behind an inverse Proxy, I get a blank page. If I select "View source" in the blank page, I do see HTML. Not sure if its related to websockets or any other configuration.

[2021-01-19T09:27:24.443Z] info  Using user-data-dir /var/lib/code-server
[2021-01-19T09:27:24.464Z] info  Using config file ~/.config/code-server/config.yaml
[2021-01-19T09:27:24.464Z] info  HTTP server listening on http://0.0.0.0:8081 
[2021-01-19T09:27:24.464Z] info    - Authentication is disabled 
[2021-01-19T09:27:24.464Z] info    - Not serving HTTPS 
[2021-01-19T09:27:48.587Z] debug forking vs code...
[2021-01-19T09:27:49.041Z] debug setting up vs code...
[2021-01-19T09:27:49.043Z] debug vscode got message from code-server {"type":"init"}
[2021-01-19T09:28:17.487Z] debug setting up vs code...
[2021-01-19T09:28:17.489Z] debug vscode got message from code-server {"type":"init"}
[2021-01-19T09:28:18.448Z] debug vscode got message from code-server {"type":"socket"}
[2021-01-19T09:28:18.548Z] debug vscode New connection {"token":"8fc9eda5-401e-4bda-b67b-90c649b132b6"}
[2021-01-19T09:28:18.676Z] warn  vscode Cannot read property '0' of undefined
[2021-01-19T09:28:18.680Z] warn  vscode Cannot read property '0' of undefined

Topology:

My URL is something like this: https://dc49045da149f3f-x.y.z.com

HTTPS -> HTTP
Browser <---> HTTPS Proxy <---> [ Proxy Agent Docker <---> VM with Vscode 3.8 ]

Tested:
Without Proxy: Browser <---> [ VM with Vscode 3.8 ] Works
Without Proxy Agent: Browser <---> Proxy <---> [ VM with Vscode 3.8 ] Fails

Proxy:
https://github.com/google/inverting-proxy

In Browser:

INFO [remote-connection][Management   ][8fc9e…][reconnect] starting reconnecting loop. You can get more information with the trace log level.
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] waiting for 5 seconds before reconnecting...
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] resolving connection...
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] connecting to dc49045da149f3f-x.y.z.com:80...
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] reconnected!
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] starting reconnecting loop. You can get more information with the trace log level.
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] waiting for 5 seconds before reconnecting...
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] resolving connection...
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] connecting to dc49045da149f3f-x.y.z.com:80...
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] reconnected!
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] starting reconnecting loop. You can get more information with the trace log level.
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] waiting for 5 seconds before reconnecting...
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] resolving connection...
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] connecting to dc49045da149f3f-x.y.z.com:80...
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] reconnected!
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] starting reconnecting loop. You can get more information with the trace log level.
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] waiting for 5 seconds before reconnecting...
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] resolving connection...
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] connecting to dc49045da149f3f-x.y.z.com:80...
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] reconnected!
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] starting reconnecting loop. You can get more information with the trace log level.
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] waiting for 5 seconds before reconnecting...
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] resolving connection...
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] connecting to dc49045da149f3f-x.y.z.com:80...
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] reconnected!
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] starting reconnecting loop. You can get more information with the trace log level.
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] waiting for 5 seconds before reconnecting...
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] resolving connection...
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] connecting to dc49045da149f3f-x.y.z.com:80...
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] reconnected!
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] starting reconnecting loop. You can get more information with the trace log level.
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] waiting for 5 seconds before reconnecting...
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] resolving connection...
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] connecting to dc49045da149f3f-x.y.z.com:80...
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] reconnected!
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] starting reconnecting loop. You can get more information with the trace log level.
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] waiting for 5 seconds before reconnecting...
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] resolving connection...
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] connecting to dc49045da149f3f-x.y.z.com:80...
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] reconnected!
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] starting reconnecting loop. You can get more information with the trace log level.
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] waiting for 5 seconds before reconnecting...
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] resolving connection...
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] connecting to dc49045da149f3f-x.y.z.com:80...
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] reconnected!
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] starting reconnecting loop. You can get more information with the trace log level.
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] waiting for 5 seconds before reconnecting...
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] resolving connection...
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] connecting to dc49045da149f3f-x.y.z.com:80...
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] reconnected!
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] starting reconnecting loop. You can get more information with the trace log level.
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] waiting for 5 seconds before reconnecting...
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] resolving connection...
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] connecting to dc49045da149f3f-x.y.z.com:80...
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] reconnected!
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] starting reconnecting loop. You can get more information with the trace log level.
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] waiting for 5 seconds before reconnecting...
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] resolving connection...
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] connecting to dc49045da149f3f-x.y.z.com:80...
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] reconnected!
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] starting reconnecting loop. You can get more information with the trace log level.
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] waiting for 5 seconds before reconnecting...
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] resolving connection...
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] connecting to dc49045da149f3f-x.y.z.com:80...
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] reconnected!
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] starting reconnecting loop. You can get more information with the trace log level.
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] waiting for 5 seconds before reconnecting...
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] resolving connection...
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] connecting to dc49045da149f3f-x.y.z.com:80...
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] reconnected!
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] starting reconnecting loop. You can get more information with the trace log level.
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] waiting for 5 seconds before reconnecting...
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] resolving connection...
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] connecting to dc49045da149f3f-x.y.z.com:80...
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] reconnected!
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] starting reconnecting loop. You can get more information with the trace log level.
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] waiting for 5 seconds before reconnecting...
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] resolving connection...
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] connecting to dc49045da149f3f-x.y.z.com:80...
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] reconnected!
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] starting reconnecting loop. You can get more information with the trace log level.
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] waiting for 5 seconds before reconnecting...
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] resolving connection...
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] connecting to dc49045da149f3f-x.y.z.com:80...
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] reconnected!
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] starting reconnecting loop. You can get more information with the trace log level.
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] waiting for 5 seconds before reconnecting...
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] resolving connection...
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] connecting to dc49045da149f3f-x.y.z.com:80...
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] reconnected!
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] starting reconnecting loop. You can get more information with the trace log level.
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] waiting for 5 seconds before reconnecting...
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] resolving connection...
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] connecting to dc49045da149f3f-x.y.z.com:80...
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] reconnected!
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] starting reconnecting loop. You can get more information with the trace log level.
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] waiting for 5 seconds before reconnecting...
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] resolving connection...
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] connecting to dc49045da149f3f-x.y.z.com:80...
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] reconnected!
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] starting reconnecting loop. You can get more information with the trace log level.
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] waiting for 5 seconds before reconnecting...
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] resolving connection...
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] connecting to dc49045da149f3f-x.y.z.com:80...
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] reconnected!
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] starting reconnecting loop. You can get more information with the trace log level.
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] waiting for 5 seconds before reconnecting...
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] resolving connection...
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] connecting to dc49045da149f3f-x.y.z.com:80...
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] reconnected!
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] starting reconnecting loop. You can get more information with the trace log level.
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] waiting for 5 seconds before reconnecting...
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] resolving connection...
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] connecting to dc49045da149f3f-x.y.z.com:80...
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] reconnected!
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] starting reconnecting loop. You can get more information with the trace log level.
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] waiting for 5 seconds before reconnecting...
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] resolving connection...
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] connecting to dc49045da149f3f-x.y.z.com:80...
log.ts:185  INFO [remote-connection][Management   ][8fc9e…][reconnect] reconnected!

Should I configure an extra setting in VSCode with my external URL ?
Any pointers are appreciated.

In View Source:

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  <script data-cfasync="false" src="./static/c4610f7829701aadb045d450013b84491c30580d/usr/lib/code-server/lib/vscode/out/vs/workbench/workbench.web.api.js"></script>
  
  <script>
    require(["vs/code/browser/workbench/workbench"], function () {})
  </script>
</html>

code-asher · 2021-01-19T20:06:03Z

code-asher
Jan 19, 2021
Maintainer

If you can I'd recommend using `code-server --link`. That uses our own "inverting proxy" and handles everything for you. As for the issue here, it does look like it's having trouble with websockets. Are you using App Engine? The proxy readme says there are extra steps to get websockets working there: https://github.com/google/inverting-proxy#limitations

0 replies

gogasca · 2021-01-19T21:06:06Z

gogasca
Jan 19, 2021
Author

Thanks for replying, I'm using a Google internal version of the inverting Proxy. This version provides a shim.

I was curious if the Code Server is expecting some specific headers or require additional configuration if its behind a Proxy:
For example remoteAuthority and authority fields.

<!-- Workbench Configuration -->
    <meta id="vscode-workbench-web-configuration" data-settings='{"remoteAuthority":"dc49045da149f3f-x.y.z.com","logLevel":1,"workspaceProvider":{"payload":[["userDataPath","/var/lib/code-server"],["enableProposedApi","[]"]]},"homeIndicator":{"href":"https://github.com/cdr/code-server","icon":"code","title":"Home"}}' />

or

<meta id="vscode-remote-user-data-uri" data-settings='{"$mid":1,"path":"/var/lib/code-server","scheme":"vscode-remote","authority":"dc49045da149f3f-x.y.z.com"}' />

1 reply

code-asher Jan 21, 2021
Maintainer

If you're just proxying a domain code-server doesn't require any extra headers or configuration.

If you proxy a sub-path it requires the proxy rewrite the path so the base path isn't included but it doesn't look like you're using that.

Since the HTML and other assets are loading I think everything is probably set up correctly except web sockets.

ravwojdyla · 2022-01-26T22:24:35Z

ravwojdyla
Jan 26, 2022

👋 @gogasca were you able to figure it out? I'm running into a similar issue.

0 replies

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