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@ -18,46 +18,3 @@ infra-rebuild switch git matrix
By default infra-rebuild tries to use the FQDN from the nixosConfiguration of the host for deployment.
However to override individual parts of the deployment target, a [`deployment_configuration.json`](./deployment_configuration.json) can be used.
This is exactly what we're doing to set the default deployment user to `colmena-deploy` and have custom target hostnames for Chaosknoten hosts, since they don't have an FQDN defined in their nixosConfiguration.
## Setting up secrets with sops-nix for a host
1. Convert the hosts SSH host public key to an age public key.
This can be done by connecting to the host and running:
```
cat /etc/ssh/ssh_host_ed25519_key.pub | ssh-to-age
```
2. Add the resulting age public key to the `.sops.yaml` as a YAML anchor in keys.
It should be named something like: `host_age_hostname`
3. Add a new creation rule for the hosts config directory.
It should probably have all admin keys and the hosts age key. \
You can use existing creation rules as a reference.
4. Create a file containing the relevant secrets in the hosts config directory.
This can be accomplished with a command similar to this:
```
sops config/hosts/hostname/secrets.yaml
```
Note: Nested keys don't seem to be compatible with sops-nix.
5. Add the following entry to the modules of the hosts `nixosConfiguration`:
```
sops-nix.nixosModules.sops
```
6. Create a `sops.nix` in the hosts config directory containing the following content to include the `secrets.yaml`:
```
{ ... }:
{
sops = {
defaultSopsFile = ./secrets.yaml;
};
}
```
7. Make sure the `sops.nix` gets imported. For example in the `default.nix`.
8. To use a secret stored under e.g. `forgejo_git_smtp_password`, you can then do something like the following:
```
sops.secrets."forgejo_git_smtp_password" = {
mode = "0440";
owner = "forgejo";
group = "forgejo";
restartUnits = [ "forgejo.service" ];
};
```

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@ -13,7 +13,6 @@
git
curl
rsync
ssh-to-age
usbutils
nix-tree
# For kitty terminfo.