87 lines
3.1 KiB
Markdown
87 lines
3.1 KiB
Markdown
# Known Issues
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## Ignoring Untrusted Substituter on NixOS
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When using our setup on NixOS users can see this warning:
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```
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warning: ignoring untrusted substituter 'https://nix-cache.status.im/', you are not a trusted user.
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```
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Which is due to incorrect `trusted-users` setting:
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```
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> grep trusted-users /etc/nix/nix.conf
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trusted-users = root
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```
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Which can be extended using the [`nix.settings.trusted-users`](https://search.nixos.org/options?channel=23.05&show=nix.settings.trusted-users) option.
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## Too many open files
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### Single-User Installation
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Nix can open a lot of files when fetching things for `/nix/store` which can cause
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```
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Too many open files"
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```
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The temporary way to fix this is set a new limit for current session using `ulimit`:
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```sh
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ulimit -n 131072
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```
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To increase limit permanently system-wide edit `/etc/sysctl.conf`:
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```
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fs.file-max = 131072
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```
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And use `sudo sysctl --system` to load these new settings.
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### Multi-User Installation
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This has been fixed in Nix `2.9.0`:
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* https://github.com/NixOS/nix/issues/6007
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* https://github.com/NixOS/nix/pull/6553
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## Cache Downloads Timing Out
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If copying from Nix Cache times out you can adjust the timeout by changing [`nix/nix.conf`](/nix/nix.conf):
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```conf
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stalled-download-timeout = 9001
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```
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## NDK Bundle Download Failures
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There is a known issue([#11111](https://github.com/status-im/status-mobile/issues/11111)) where the fetching of Android NDK Bundle from our own cache host fails in various different ways:
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```
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unable to download 'https://nix-cache.status.im/nar/64g5wharwjj040rg1v8jnc5qhv1hkgds.nar':
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HTTP error 200 (curl error: Stream error in the HTTP/2 framing layer)
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```
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```
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unable to download 'https://nix-cache.status.im/nar/64g5wharwjj040rg1v8jnc5qhv1hkgds.nar':
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HTTP error 200 (curl error: Transferred a partial file)
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```
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```
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NAR for '/nix/store/psx79cnz1khfjlzkw3j8x9sb1jhk1v1a-ndk-bundle-21.0.6113669' fetched from 'https://nix-cache.status.im' is incomplete
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```
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Currently the simplest temporary solution is to edit `nix/nix.conf` and comment out the `extra-substituters` line.
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This should allow Nix to download the NDK Bundle directly from Google servers rather than from our own cache.
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## `extra-sandbox-paths` Is a Restricted Setting
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When building Android on NixOS you might encounter the following error:
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```
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ignoring the user-specified setting 'extra-sandbox-paths', because it is a restricted setting and you are not a trusted user
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```
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You can mitigate this by setting the [`nix.trustedUsers`](https://nixos.org/nixos/options.html#nix.trustedusers) property.
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## NixOS Prioritizes System Config
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Currently on NixOS `NIX_CONF_DIR` is being ignored in favor of the default `/etc/nix/nix.conf`.
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This will be possible to fix once Nix `2.4` comes out with support for `NIX_USER_CONF_FILES`.
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For more details see https://github.com/NixOS/nix/issues/3723.
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## Extra Sandbox Files Not Available
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It's possible that on a multi-user installation files provided to the build sandbox using the `extra-sandbox-paths` option will ne be available, unless the current user is added to `trusted-users` in `nix.conf` file.
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Issues:
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* https://github.com/NixOS/nix/issues/6115
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* https://github.com/NixOS/nix/issues/6217
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