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add minimal working example of a flake

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Bryton Hall 2022-08-14 22:31:44 -04:00
parent aa60eca0fd
commit 85649dd3fd
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README.md
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@ -16,7 +16,25 @@ Kubernetes resource management with Nix
> **HINT**: use ` --help` for more commands --> > **HINT**: use ` --help` for more commands -->
Create a `default.nix` file: A minimal example flake (build with `nix build`):
```nix
{
inputs.kubenix.url = "github:hall/kubenix";
outputs = {self, kubenix, ... }@inputs: let
system = "x86_64-linux";
in {
packages.${system}.default = (kubenix.evalModules.${system} {
module = { kubenix, ... }: {
imports = with kubenix.modules; [k8s];
kubernetes.resources.pods.example.spec.containers.nginx.image = "nginx";
};
}).config.kubernetes.result;
};
}
```
Or, if you're not using flakes, a `default.nix` file (build with `nix-build`):
```nix ```nix
{ kubenix ? import (builtins.fetchGit { { kubenix ? import (builtins.fetchGit {
@ -24,48 +42,15 @@ Create a `default.nix` file:
rev = "aa734afc9cf7a5146a7a9d93fd534e81572c8122"; rev = "aa734afc9cf7a5146a7a9d93fd534e81572c8122";
}) }: }) }:
(kubenix.evalModules.x86_64-linux { (kubenix.evalModules.x86_64-linux {
module = {kubenix, ...}: { module = {kubenix, ... }: {
imports = with kubenix.modules; [k8s]; imports = with kubenix.modules; [k8s];
kubernetes.resources.pods.test.spec.containers.nginx.image = "nginx"; kubernetes.resources.pods.example.spec.containers.nginx.image = "nginx";
}; };
}).config.kubernetes.result }).config.kubernetes.result
``` ```
Then execute `nix-build` to write JSON manifests to `./result`. Either way the JSON manifests will be written to `./result`.
<!-- A minimal example flake:
```nix
{
inputs.kubenix.url = "github:hall/kubenix";
outputs = {self, ...}@inputs: {
kubenix = {
module = { inputs.kubenix, ...}: {
kubernetes.resources.pods."app" = {
spec.containers."app" = {
name = "app";
image = "nginx";
};
};
}
}
}
}
``` -->
<!-- A more complete example config:
```nix
{
kubernetes = {
context = "default";
resources = {};
helm = {
releases = {};
};
}
}
``` -->
## Attribution ## Attribution