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52 lines
1.8 KiB
Markdown
52 lines
1.8 KiB
Markdown
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# Tutorial {#tutorial}
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1. The system you want to deploy secrets to should already exist and
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have `sshd` running on it so that it has generated SSH host keys in
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`/etc/ssh/`.
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2. Make a directory to store secrets and `secrets.nix` file for listing secrets and their public keys (This file is **not** imported into your NixOS configuration. It is only used for the `agenix` CLI.):
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```ShellSession
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$ mkdir secrets
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$ cd secrets
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$ touch secrets.nix
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```
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3. Add public keys to `secrets.nix` file (hint: use `ssh-keyscan` or GitHub (for example, https://github.com/ryantm.keys)):
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```nix
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let
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user1 = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIL0idNvgGiucWgup/mP78zyC23uFjYq0evcWdjGQUaBH";
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user2 = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAILI6jSq53F/3hEmSs+oq9L4TwOo1PrDMAgcA1uo1CCV/";
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users = [ user1 user2 ];
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system1 = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIPJDyIr/FSz1cJdcoW69R+NrWzwGK/+3gJpqD1t8L2zE";
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system2 = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIKzxQgondgEYcLpcPdJLrTdNgZ2gznOHCAxMdaceTUT1";
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systems = [ system1 system2 ];
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in
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{
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"secret1.age".publicKeys = [ user1 system1 ];
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"secret2.age".publicKeys = users ++ systems;
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}
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```
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4. Edit secret files (these instructions assume your SSH private key is in ~/.ssh/):
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```ShellSession
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$ agenix -e secret1.age
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```
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5. Add secret to a NixOS module config:
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```nix
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{
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age.secrets.secret1.file = ../secrets/secret1.age;
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}
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```
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6. Use the secret in your config:
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```nix
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{
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users.users.user1 = {
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isNormalUser = true;
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passwordFile = config.age.secrets.secret1.path;
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};
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}
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```
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7. NixOS rebuild or use your deployment tool like usual.
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The secret will be decrypted to the value of `config.age.secrets.secret1.path` (`/run/agenix/secret1` by default).
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