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README: add more words to the example =)

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tv 2018-09-28 17:01:38 +02:00
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README.md
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@ -1,20 +1,20 @@
# krops (krebs ops) # krops (krebs ops)
krops is a lightweigt toolkit to deploy nixos systems, remotely or locally. krops is a lightweigt toolkit to deploy NixOS systems, remotely or locally.
fancy features include: ## Some Features
- store your secrets in passwordstore - store your secrets in passwordstore
- build your system remotely - build your system remotely
- minimal overhead - minimal overhead (it's basically just `nixos-rebuild switch`!)
- run from custom nixpkgs branch/checkout/fork - run from custom nixpkgs branch/checkout/fork
minimal example: ## Minimal Example
Create a file named `krops.nix` (name doesn't matter) with following content:
create a krops.nix somewhere
``` ```
let let
#krops = ./.;
krops = (import <nixpkgs> {}).fetchgit { krops = (import <nixpkgs> {}).fetchgit {
url = https://cgit.krebsco.de/krops/; url = https://cgit.krebsco.de/krops/;
rev = "3022582ade8049e6ccf18f358cedb996d6716945"; rev = "3022582ade8049e6ccf18f358cedb996d6716945";
@ -28,11 +28,9 @@ let
nixpkgs.git = { nixpkgs.git = {
ref = "4b4bbce199d3b3a8001ee93495604289b01aaad3"; ref = "4b4bbce199d3b3a8001ee93495604289b01aaad3";
url = https://github.com/NixOS/nixpkgs; url = https://github.com/NixOS/nixpkgs;
}; };
nixos-config.file = toString (pkgs.writeText "nixos-config" '' nixos-config.file = toString (pkgs.writeText "nixos-config" ''
{ pkgs, ... }: { { pkgs, ... }: {
fileSystems."/" = { device = "/dev/sda1"; }; fileSystems."/" = { device = "/dev/sda1"; };
boot.loader.systemd-boot.enable = true; boot.loader.systemd-boot.enable = true;
services.openssh.enable = true; services.openssh.enable = true;
@ -47,8 +45,11 @@ in
} }
``` ```
and run `$(nix-build krops.nix)`. This results in a script which deploys the machine via ssh & rsync on the target machine. and run `$(nix-build --no-out-link krops.nix)` to deploy the target machine.
Under the hood, this will make the sources available on the target machine
below `/var/src`, and execute `nixos-rebuild switch -I /var/src`.
## References ## References
- [Blog post with in-depth example](http://tech.ingolf-wagner.de/nixos/krops/) by [Ingolf Wagner](https://ingolf-wagner.de/) - [In-depth example](http://tech.ingolf-wagner.de/nixos/krops/) by [Ingolf Wagner](https://ingolf-wagner.de/)