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forked from clan/clan-core

Merge pull request 'add flake parts tutorial' (#1106) from flake-parts into main

This commit is contained in:
clan-bot 2024-04-04 13:09:52 +00:00
commit cb103c7772

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@ -38,8 +38,6 @@ After creating your flake, you can check out how to add [new machines](./machine
# Migrating Existing NixOS Configuration Flake
Absolutely, let's break down the migration step by step, explaining each action in detail:
#### Before You Begin
1. **Backup Your Current Configuration**: Always start by making a backup of your current NixOS configuration to ensure you can revert if needed.
@ -74,13 +72,13 @@ Absolutely, let's break down the migration step by step, explaining each action
```nix
{
nixosConfigurations.example-desktop = nixpkgs.lib.nixosSystem {
system = "x86_64-linux";
modules = [
./configuration.nix
];
[...]
};
nixosConfigurations.example-desktop = nixpkgs.lib.nixosSystem {
system = "x86_64-linux";
modules = [
./configuration.nix
];
[...]
};
}
```
@ -88,18 +86,16 @@ Absolutely, let's break down the migration step by step, explaining each action
```nix
let clan = clan-core.lib.buildClan {
# this needs to point at the repository root
directory = self;
specialArgs = {};
clanName = "NEEDS_TO_BE_UNIQUE"; # TODO: Changeme
machines = {
example-desktop = {
nixpkgs.hostPlatform = "x86_64-linux";
imports = [
./configuration.nix
];
};
# this needs to point at the repository root
directory = self;
specialArgs = {};
clanName = "NEEDS_TO_BE_UNIQUE"; # TODO: Changeme
machines = {
example-desktop = {
nixpkgs.hostPlatform = "x86_64-linux";
imports = [ ./configuration.nix ];
};
};
};
in { inherit (clan) nixosConfigurations clanInternals; }
```
@ -133,3 +129,72 @@ By following these steps, you've successfully migrated your NixOS Flake configur
## What's next
After creating your flake, you can check out how to add [new machines](./machines.md)
---
# Integrating Clan with Flakes using Flake-Parts
Clan supports integration with the Nix ecosystem through its flake module, making it compatible with [flake.parts](https://flake.parts/),
a tool for modular Nix flakes composition.
Here's how to set up Clan using flakes and flake-parts.
### 1. Update Your Flake Inputs
To begin, you'll need to add `clan-core` as a new dependency in your flake's inputs. This is alongside the already existing dependencies, such as `flake-parts` and `nixpkgs`. Here's how you can update your `flake.nix` file:
```diff
inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
inputs.flake-parts.url = "github:hercules-ci/flake-parts";
inputs.flake-parts.inputs.nixpkgs-lib.follows = "nixpkgs";
+ inputs.clan-core.url = "git+https://git.clan.lol/clan/clan-core";
+ inputs.clan-core.inputs.nixpkgs.follows = "nixpkgs";
+ inputs.clan-core.inputs.flake-parts.follows = "flake-parts";
```
### 2. Import Clan-Core Flake Module
After updating your flake inputs, the next step is to import the `clan-core` flake module into your project. This allows you to utilize Clan functionalities within your Nix project. Update your `flake.nix` file as shown below:
```nix
outputs =
inputs@{ flake-parts, ... }:
flake-parts.lib.mkFlake { inherit inputs; } (
{
imports = [
inputs.clan-core.flakeModules.default
];
}
);
```
### 3. Configure Clan Settings and Define Machines
Lastly, define your Clan configuration settings, including a unique clan name and the machines you want to manage with Clan.
This is where you specify the characteristics of each machine,
such as the platform and specific Nix configurations. Update your `flake.nix` like this:
```nix
outputs =
inputs@{ flake-parts, ... }:
flake-parts.lib.mkFlake { inherit inputs; } (
{
imports = [
inputs.clan-core.flakeModules.default
];
clan = {
clanName = "NEEDS_TO_BE_UNIQUE"; # Please replace this with a unique name for your clan.
directory = inputs.self;
machines = {
example-desktop = {
nixpkgs.hostPlatform = "x86_64-linux";
imports = [ ./configuration.nix ];
};
};
};
}
);
```
For detailed information about configuring `flake-parts` and the available options within Clan,
refer to the Clan module documentation located [here](https://git.clan.lol/clan/clan-core/src/branch/main/flakeModules/clan.nix).