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nixos/flake.nix

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Initial flake implementation For now, simply copied current configuration.nix and hardware-configuration.nix to hostname specific directory. Made minor modifications to remove input impurity from hardware-configuration.nix (<nixpkgs> to 4{modulesPath}). Created flake.nix to import the configuration.nix and just build it. Referred to this guy : https://github.com/MatthewCroughan/nixcfg
2020-11-03 15:41:12 +05:30
{
Enable nvidia and move nvidia config to separate file - Enable nvidia GPU in sync-mode At least one game did not work well enough on Intel - Move nvidia config to separate file (nvidia.nix) - Refactor and simplify nvidia config enabling/mode-changing of nvidia can be done via two simple top-level variables instead of changing interdependent booleans independently. select GPU driver based on top level variable Add `nvidia-offload' environment variable shell to env based on top-level variable
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description = "NixOS configuration (flake edition)";
Initial flake implementation For now, simply copied current configuration.nix and hardware-configuration.nix to hostname specific directory. Made minor modifications to remove input impurity from hardware-configuration.nix (<nixpkgs> to 4{modulesPath}). Created flake.nix to import the configuration.nix and just build it. Referred to this guy : https://github.com/MatthewCroughan/nixcfg
2020-11-03 15:41:12 +05:30
mbsync + msmtp + mu setup via home-manager Initial setup to email from within emacs. That required setting up above stuff, detailed below: mbsync : sync maildir with email host/provider (gmail) mu : index and search maildir msmtp : send mail All of the above have good module under home-manager, making it *relatively* straightforward to set the whole thing up.
2021-07-20 16:51:32 +05:30
inputs = {
EXPERIMENT: Set up nixpkgs-unfree as root input as well as cachix nixpkgs-unfree supposedly provides builds for non-free, but redistributable packages that cache.nixos.org does not build. Along with cuda-maintainers, it should reduce the burden for using heavy packages for machine learning quite a bit. So, lets see how this one goes. I should also start checking how the machine learning story is with NixOS at all, it is rife with Python and Python has absolutely horrible ecosystem for managing dependencies.
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nixpkgs-unstable.url = "github:nixos/nixpkgs/nixos-unstable";
nixpkgs = {
url = "github:numtide/nixpkgs-unfree";
inputs.nixpkgs.follows = "nixpkgs-unstable";
};
mbsync + msmtp + mu setup via home-manager Initial setup to email from within emacs. That required setting up above stuff, detailed below: mbsync : sync maildir with email host/provider (gmail) mu : index and search maildir msmtp : send mail All of the above have good module under home-manager, making it *relatively* straightforward to set the whole thing up.
2021-07-20 16:51:32 +05:30
home-manager = {
url = "github:nix-community/home-manager";
inputs.nixpkgs.follows = "nixpkgs";
};
Use EmacsGcc package from emacs-overlay Use Emacs master branch with native compilation flag enabled. I tried Pgtk branch, but it is not always kept up to date with master (currently 3+ months behind) and could have some issues that aren't always tested. It does mean Wayland integration is imperfect, but right now it is good enough (with few minor annoyances). Emacs + Gcc (native-comp) native-comp is currently in upcoming release branch (28.0.50), while pgtk branch is yet to be merged. Using both above features is easily available with emacs-overlay provided by nix-community. I still haven't been able to get cachix build cache to work, so currrently this config builds full Emacs on machine. This extends system rebuild by 30+ minutes and reduces system useability for the same duration. Updating system frequently is not currently on my radar anyway, and I can probably stomach keeping the machine humming for 60+ minutes of system rebuild (compiling Emacs itself takes 25-30 min), as long as I do it less than once per week. Will see how it goes.
2021-10-29 16:25:07 +05:30
emacs-overlay = {
Revert "Temporarily pin emacs-overlay" This reverts commit 4fa3d1f70a45b3e1b4dfc6684b831a51633bff52.
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url = "github:nix-community/emacs-overlay";
inputs.nixpkgs.follows = "nixpkgs";
Use EmacsGcc package from emacs-overlay Use Emacs master branch with native compilation flag enabled. I tried Pgtk branch, but it is not always kept up to date with master (currently 3+ months behind) and could have some issues that aren't always tested. It does mean Wayland integration is imperfect, but right now it is good enough (with few minor annoyances). Emacs + Gcc (native-comp) native-comp is currently in upcoming release branch (28.0.50), while pgtk branch is yet to be merged. Using both above features is easily available with emacs-overlay provided by nix-community. I still haven't been able to get cachix build cache to work, so currrently this config builds full Emacs on machine. This extends system rebuild by 30+ minutes and reduces system useability for the same duration. Updating system frequently is not currently on my radar anyway, and I can probably stomach keeping the machine humming for 60+ minutes of system rebuild (compiling Emacs itself takes 25-30 min), as long as I do it less than once per week. Will see how it goes.
2021-10-29 16:25:07 +05:30
};
Setup secrets management using agenix agenix uses age (a utility + standard) that encrypts secrets using ssh key. This simplifies secrets management quite a bit compared to GPG (my attempts for which have failed so far). Changes included: - Encrypt all current keys (mail, backups) using age, configured via agenix - All encrypted keys are committed to git repo and decrypted during boot - None of the keys are used anywhere just yet. They will replace file paths in future commit after testing - Decrypted keys are available after boot under user name with read-only permissions at default agenix location (as of this commit) - The Nix variable path is provided by agenix and can be used instead of having to recreate - multiple keys can be specified for single key, but for now I am only using one For now, the code is dirty and can definitely use improvements. It is just at a place where it is all working right now. TODO: Get age + agenix in environment packages available at runtime in NixOS Links: - https://github.com/ryantm/agenix - https://github.com/hlissner/dotfiles
2022-02-22 03:01:29 +05:30
agenix = {
url = "github:ryantm/agenix";
inputs.nixpkgs.follows = "nixpkgs";
};
bebop: Initial config bebop is the Raspberry Pi hanging around my table utterly unused for close to a year now. About time it saw some use as tiny home server.
2022-04-14 17:35:56 +05:30
nixos-hardware.url = "github:NixOS/nixos-hardware/master";
mbsync + msmtp + mu setup via home-manager Initial setup to email from within emacs. That required setting up above stuff, detailed below: mbsync : sync maildir with email host/provider (gmail) mu : index and search maildir msmtp : send mail All of the above have good module under home-manager, making it *relatively* straightforward to set the whole thing up.
2021-07-20 16:51:32 +05:30
};
Initial flake implementation For now, simply copied current configuration.nix and hardware-configuration.nix to hostname specific directory. Made minor modifications to remove input impurity from hardware-configuration.nix (<nixpkgs> to 4{modulesPath}). Created flake.nix to import the configuration.nix and just build it. Referred to this guy : https://github.com/MatthewCroughan/nixcfg
2020-11-03 15:41:12 +05:30
meta: Refactor + rearrange flake.nix is getting bigger and complicated. Might need some fix afterall. A simple and dumb refactor would be to just collect all common modules and host-specific files in single files and import them in flake. Should make things lot simpler. but it is becomming apparent that this is where I can use more Nix skills in general.
2022-04-20 00:08:33 +05:30
outputs =
{ self
, nixpkgs
, home-manager
, emacs-overlay
, agenix
, nixos-hardware
, ...
}:
let
common-modules = [
./cachix.nix
./modules/nix.nix
./modules/common.nix
];
in
{
nixosConfigurations = {
Minor cleaup and comments
2022-04-15 12:28:13 +05:30
meta: Refactor + rearrange flake.nix is getting bigger and complicated. Might need some fix afterall. A simple and dumb refactor would be to just collect all common modules and host-specific files in single files and import them in flake. Should make things lot simpler. but it is becomming apparent that this is where I can use more Nix skills in general.
2022-04-20 00:08:33 +05:30
# The Workhorse
enterprise = nixpkgs.lib.nixosSystem {
system = "x86_64-linux";
modules = common-modules ++ [
Clean up, rearrange and add comments in flake.nix I could in theory just import all flake files from particular host, but so far there aren't a lot of files in there, and I like the explicitness, and central point of entry in flake.nix Not sure what went wrong the last time I tried it. This seems to be working, so I'll keep it and keep an eye for a while
2022-04-05 18:54:00 +05:30
meta: Refactor + rearrange flake.nix is getting bigger and complicated. Might need some fix afterall. A simple and dumb refactor would be to just collect all common modules and host-specific files in single files and import them in flake. Should make things lot simpler. but it is becomming apparent that this is where I can use more Nix skills in general.
2022-04-20 00:08:33 +05:30
# Overlays
{ nixpkgs.overlays = [ emacs-overlay.overlay ]; }
Clean up, rearrange and add comments in flake.nix I could in theory just import all flake files from particular host, but so far there aren't a lot of files in there, and I like the explicitness, and central point of entry in flake.nix Not sure what went wrong the last time I tried it. This seems to be working, so I'll keep it and keep an eye for a while
2022-04-05 18:54:00 +05:30
meta: Refactor + rearrange flake.nix is getting bigger and complicated. Might need some fix afterall. A simple and dumb refactor would be to just collect all common modules and host-specific files in single files and import them in flake. Should make things lot simpler. but it is becomming apparent that this is where I can use more Nix skills in general.
2022-04-20 00:08:33 +05:30
# Modules and module config
./modules/fish.nix
Enterprise: Further modularization - Plasma desktop - Fonts - Users These are top-level modules in anticipation of new machine, but I expect them to remain same regardless of particular host.
2022-05-26 23:17:15 +05:30
./modules/plasma-desktop.nix
./modules/fonts.nix
./modules/users.nix
Clean up, rearrange and add comments in flake.nix I could in theory just import all flake files from particular host, but so far there aren't a lot of files in there, and I like the explicitness, and central point of entry in flake.nix Not sure what went wrong the last time I tried it. This seems to be working, so I'll keep it and keep an eye for a while
2022-04-05 18:54:00 +05:30
meta: Refactor + rearrange flake.nix is getting bigger and complicated. Might need some fix afterall. A simple and dumb refactor would be to just collect all common modules and host-specific files in single files and import them in flake. Should make things lot simpler. but it is becomming apparent that this is where I can use more Nix skills in general.
2022-04-20 00:08:33 +05:30
# Host-specific config
Enterprise: further modularise configuration Separate below config in their own modules: - networking - hardware, boot, filesystem Again, the philosophy is to move parts of config that are logically related and generally edited together in its own module. Networking fits the bill because it barely saw any change and when it did, it was focused area. hw.nix is bit more complicated, as there are multiple things there, and is likely grow yet in future, but this stuff is nearly unchanged since I started using NixOS and is not something I want to change everyday.
2022-05-01 20:56:03 +05:30
./hosts/enterprise/hw.nix
./hosts/enterprise/networking.nix
meta: Refactor + rearrange flake.nix is getting bigger and complicated. Might need some fix afterall. A simple and dumb refactor would be to just collect all common modules and host-specific files in single files and import them in flake. Should make things lot simpler. but it is becomming apparent that this is where I can use more Nix skills in general.
2022-04-20 00:08:33 +05:30
./hosts/enterprise/sound.nix
./hosts/enterprise/nvidia.nix
./hosts/enterprise/configuration.nix
Clean up, rearrange and add comments in flake.nix I could in theory just import all flake files from particular host, but so far there aren't a lot of files in there, and I like the explicitness, and central point of entry in flake.nix Not sure what went wrong the last time I tried it. This seems to be working, so I'll keep it and keep an eye for a while
2022-04-05 18:54:00 +05:30
meta: Refactor + rearrange flake.nix is getting bigger and complicated. Might need some fix afterall. A simple and dumb refactor would be to just collect all common modules and host-specific files in single files and import them in flake. Should make things lot simpler. but it is becomming apparent that this is where I can use more Nix skills in general.
2022-04-20 00:08:33 +05:30
# User-specific config : Home-manager
home-manager.nixosModules.home-manager
{
home-manager.useGlobalPkgs = true;
Enterprise; Prepare for cleanup
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home-manager.useUserPackages = true;
home-manager.users.payas = import ./hosts/enterprise/home.nix;
}
];
};
# The (new) Workhorse
hermes = nixpkgs.lib.nixosSystem {
system = "x86_64-linux";
modules = common-modules ++ [
# Overlays
{ nixpkgs.overlays = [ emacs-overlay.overlay ]; }
# Modules and module config
./modules/fish.nix
./modules/plasma-desktop.nix
./modules/fonts.nix
./modules/users.nix
# agenix.nixosModules.age
# ./modules/agenix.nix
# Host-specific config
./hosts/enterprise/hw.nix
./hosts/enterprise/networking.nix
./hosts/enterprise/sound.nix
# ./hosts/enterprise/backup.nix
# ./hosts/enterprise/syncthing.nix
# ./hosts/enterprise/nvidia.nix
./hosts/enterprise/configuration.nix
# User-specific config : Home-manager
home-manager.nixosModules.home-manager
{
home-manager.useGlobalPkgs = true;
meta: Refactor + rearrange flake.nix is getting bigger and complicated. Might need some fix afterall. A simple and dumb refactor would be to just collect all common modules and host-specific files in single files and import them in flake. Should make things lot simpler. but it is becomming apparent that this is where I can use more Nix skills in general.
2022-04-20 00:08:33 +05:30
home-manager.useUserPackages = true;
home-manager.users.payas = import ./hosts/enterprise/home.nix;
}
Clean up, rearrange and add comments in flake.nix I could in theory just import all flake files from particular host, but so far there aren't a lot of files in there, and I like the explicitness, and central point of entry in flake.nix Not sure what went wrong the last time I tried it. This seems to be working, so I'll keep it and keep an eye for a while
2022-04-05 18:54:00 +05:30
meta: Refactor + rearrange flake.nix is getting bigger and complicated. Might need some fix afterall. A simple and dumb refactor would be to just collect all common modules and host-specific files in single files and import them in flake. Should make things lot simpler. but it is becomming apparent that this is where I can use more Nix skills in general.
2022-04-20 00:08:33 +05:30
];
};
Clean up, rearrange and add comments in flake.nix I could in theory just import all flake files from particular host, but so far there aren't a lot of files in there, and I like the explicitness, and central point of entry in flake.nix Not sure what went wrong the last time I tried it. This seems to be working, so I'll keep it and keep an eye for a while
2022-04-05 18:54:00 +05:30
meta: Refactor + rearrange flake.nix is getting bigger and complicated. Might need some fix afterall. A simple and dumb refactor would be to just collect all common modules and host-specific files in single files and import them in flake. Should make things lot simpler. but it is becomming apparent that this is where I can use more Nix skills in general.
2022-04-20 00:08:33 +05:30
# My Pi
bebop = nixpkgs.lib.nixosSystem {
system = "aarch64-linux";
modules = common-modules ++ [
bebop: Initial config bebop is the Raspberry Pi hanging around my table utterly unused for close to a year now. About time it saw some use as tiny home server.
2022-04-14 17:35:56 +05:30
meta: Refactor + rearrange flake.nix is getting bigger and complicated. Might need some fix afterall. A simple and dumb refactor would be to just collect all common modules and host-specific files in single files and import them in flake. Should make things lot simpler. but it is becomming apparent that this is where I can use more Nix skills in general.
2022-04-20 00:08:33 +05:30
# Modules and module config
./modules/fish.nix
./modules/monitoring/monitoring.nix
bebop: Initial config bebop is the Raspberry Pi hanging around my table utterly unused for close to a year now. About time it saw some use as tiny home server.
2022-04-14 17:35:56 +05:30
meta: Refactor + rearrange flake.nix is getting bigger and complicated. Might need some fix afterall. A simple and dumb refactor would be to just collect all common modules and host-specific files in single files and import them in flake. Should make things lot simpler. but it is becomming apparent that this is where I can use more Nix skills in general.
2022-04-20 00:08:33 +05:30
# Host-specific config
nixos-hardware.nixosModules.raspberry-pi-4
./hosts/bebop/configuration.nix
./hosts/bebop/syncthing.nix
Bebop: Switch back to pihole and remove adguardhome
2022-04-21 23:31:32 +05:30
./hosts/bebop/pihole.nix
Bebop: Enable home-menager as NixOS module This allows easy config of few applications/services - git - htop - fzf - neovim * syncthing is not enabled yet. During previous experimentation it did not work, so need to look more into it
2022-04-17 22:00:28 +05:30
meta: Refactor + rearrange flake.nix is getting bigger and complicated. Might need some fix afterall. A simple and dumb refactor would be to just collect all common modules and host-specific files in single files and import them in flake. Should make things lot simpler. but it is becomming apparent that this is where I can use more Nix skills in general.
2022-04-20 00:08:33 +05:30
# User-specific config : Home-manager
home-manager.nixosModules.home-manager
{
home-manager.useGlobalPkgs = true;
home-manager.useUserPackages = true;
home-manager.users.payas = import ./hosts/bebop/home.nix;
}
];
};
bebop: Initial config bebop is the Raspberry Pi hanging around my table utterly unused for close to a year now. About time it saw some use as tiny home server.
2022-04-14 17:35:56 +05:30
};
meta: Refactor + rearrange flake.nix is getting bigger and complicated. Might need some fix afterall. A simple and dumb refactor would be to just collect all common modules and host-specific files in single files and import them in flake. Should make things lot simpler. but it is becomming apparent that this is where I can use more Nix skills in general.
2022-04-20 00:08:33 +05:30
Initial flake implementation For now, simply copied current configuration.nix and hardware-configuration.nix to hostname specific directory. Made minor modifications to remove input impurity from hardware-configuration.nix (<nixpkgs> to 4{modulesPath}). Created flake.nix to import the configuration.nix and just build it. Referred to this guy : https://github.com/MatthewCroughan/nixcfg
2020-11-03 15:41:12 +05:30
};
}
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