Hot reloading extensions in Docker

Omniverse Isaac Sim
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1

Isaac Sim Version

4.5.0

Operating System

Ubuntu 22.04

Problem description

Is the hot-reloading extension functionality supported in Docker? I can’t get a dockerized version of Isaac Sim 4.5 to automatically detect file changes. When using the same extension on Isaac Sim 4.5 running on bare metal Ubuntu 22.04, hot reloading works without issues.

Additional Information

What I’ve Tried

  • I ran inotifywait inside the docker container, and all file change modifications in the extension folder are being correctly reported.
  • I confirmed that the extension.toml has the setting reloadable = true.
2

Hi, any input from nvidia? Is extension hot reloading in docker a supported feature?

1 Like
3

Do you mean that, even after following this tutorial below, the hot reloading feature does not work when running Isaac Sim in a container?

https://docs.isaacsim.omniverse.nvidia.com/4.5.0/core_api_tutorials/tutorial_core_hello_world.html

4

Yes. Naturally I cannot easily use VSCode to edit files inside the container. But I followed the linked example and used touch ./exts/isaacsim.examples.interactive/isaacsim/examples/interactive/hello_world/hello_world.py to trigger a file modification event.
When running bare-metal, this triggers reload of the example (and the relevant extension UI disappears). In docker, nothing happens.

1 Like
5

@VickNV so can you confirm that this is supposed to be a supported feature in docker containers?

1 Like
6

Hi @VickNV @robot_human_dev , I have the same issue here. Saving the files in the container does not reload the extension. I use an AWS cloud installation of IsaacSim 4.5.0. I am using vscode Dev Containers extension to connect to the container running isaac sim, so I am able to edit and save the files of the extension in the container, but saves do not reload extensions.

For now I resort to reload manually the extensions, with either of these two methods :

Deactivate and reactivate the extension from the extensions window in isaac sim (Window > Extensions, find the extension, click the toggle to deactivate, click to reactivate).

Alternatively, use a script with the script editor to toggle extension reload. For instance, to toggle the hello world interactive example extension, load the following script in the script editor:

import omni.kit.app

app = omni.kit.app.get_app()
ext_manager = app.get_extension_manager()
ext_id = "isaacsim.examples.interactive"

# Toggle extension state
if ext_manager.is_extension_enabled(ext_id):
    ext_manager.set_extension_enabled(ext_id, False)
    print(f"EXTENSION {ext_id} DEACTIVATED")
else:
    ext_manager.set_extension_enabled(ext_id, True)
    print(f"EXTENSION {ext_id} ACTIVATED")

Note: Unfortunately on my side it was not possible to unable and enable an extension in a single run of the script editor, so the solution is to use a toggle script, and running it twice.

1 Like
7

Hi @VickNV is there any update on this? I have the exact same problem, we have multiple people sharing a dev container and we are resorting to using a toggle like @t.reid suggested, but sometimes we will just have to restart the whole app.

The hot reloading is an awesome feature that I have grown used to and its really painful when it is ripped away as soon as docker containers are involved.