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59 lines
3.8 KiB
Markdown
59 lines
3.8 KiB
Markdown
# Troubleshooting
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## My docker container refuse to start / is stuck at restarting.
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You might be facing a permission issue. First of all, check your container logs (adjust the container name if necessary):
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```sh
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$ docker logs homer
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[...]
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Assets directory not writable. Check assets directory permissions & docker user or skip default assets install by setting the INIT_ASSETS env var to 0
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```
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In this case you need to make sure your mounted assets directory have the same GID / UID the container user have (default 1000:1000), and that the read and write permission is granted for the user or the group.
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You can either:
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- Update your assets directory permissions (ex: `chown -R 1000:1000 /your/assets/folder/`, `chmod -R u+rw /your/assets/folder/`)
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- Change the docker user by using the `--user` arguments with docker cli or `user: 1000:1000` with docker compose.
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⚠️ Notes:
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- **Do not** use env var to set the GID / UID of the user running container. Use the Docker `user` option.
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- **Do not** use 0:0 as a user value, it would be a security risk, and it's not guaranty to work.
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Check this [thread](https://github.com/bastienwirtz/homer/issues/459) for more information about debugging
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permission issues.
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## My custom service card doesn't work, nothing appears or offline status is displayed (pi-hole, sonarr, ping, ...)
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You might be facing a [CORS](https://developer.mozilla.org/en-US/docs/Web/HTTP/CORS) (Cross Origin Request Sharing) issue.
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It happens when the targeted service is hosted on a different domain or port.
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Web browsers will not allow to fetch information from a different site without explicit permissions (the targeted service
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must include a special `Access-Control-Allow-Origin: *` HTTP headers).
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If this happens your web console (`ctrl+shift+i` or `F12`) will be filled with this kind of errors:
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```text
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Access to fetch at 'https://<target-service>' from origin 'https://<homer>' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource. If an opaque response serves your needs, set the request's mode to 'no-cors' to fetch the resource with CORS disabled.
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```
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To resolve this, you can either:
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* Host all your target service under the same domain & port.
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* Modify the target server configuration so that the response of the server included following header- `Access-Control-Allow-Origin: *` (<https://developer.mozilla.org/en-US/docs/Web/HTTP/CORS#simple_requests>). It might be an option in the targeted service, otherwise depending on how the service is hosted, the proxy or web server can seamlessly add it.
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* Use a cors proxy server like [`cors-container`](https://github.com/imjacobclark/cors-container), [`cors-anywhere`](https://github.com/Rob--W/cors-anywhere) or many others.
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## I am using an authentication proxy and homer says I am offline
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This should be a configuration issue.
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* Make sure the option `connectivityCheck` is set to `true` in configuration.
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* Check your proxy configuration, the expected behavior is to redirect user using a 302 to the login page when user is not authenticated.
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## I put my API key into the OpenWeather service and it still isn't working
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If you have just made an OpenWeatherMap account and/or a newly-made API key, there is a high chance that you need to wait for it to be activated (often a few hours). If after waiting it still doesn't work, make sure to check the location you have provided since it may be an invalid location.
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For some basic debugging steps, you can:
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* Check with a large city such as Amsterdam as the specified location within your configuration.
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* Make sure your web browser is running the latest version of the homer configuration after updating the location (Ctrl + Shift + R).
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* Check for errors within the browser console (Ctrl + Shift + I) relating to api.openweathermap.org
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