35 lines
1.5 KiB
Nix
35 lines
1.5 KiB
Nix
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{
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config,
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pkgs,
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...
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}: {
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age.secrets.initrd_host_ed25519_key.generator.script = "ssh-ed25519";
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boot.initrd.network.enable = true;
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boot.initrd.network.ssh = {
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enable = true;
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port = 4;
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# I think this is impure as the new initrd gets generated before
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# agenix decrypts your secrets, meaning your initrd hostkey
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# need two activations to change as well as that to enable this
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# module you need to set hostKeys to a dummy value and generate
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# and invalid initrd once
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hostKeys = [config.age.secrets.initrd_host_ed25519_key.path];
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};
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# Make sure that there is always a valid initrd hostkey available that can be installed into
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# the initrd. When bootstrapping a system (or re-installing), agenix cannot succeed in decrypting
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# whatever is given, since the correct hostkey doesn't even exist yet. We still require
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# a valid hostkey to be available so that the initrd can be generated successfully.
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# The correct initrd host-key will be installed with the next update after the host is booted
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# for the first time, and the secrets were rekeyed for the the new host identity.
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system.activationScripts.agenixEnsureInitrdHostkey = {
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text = ''
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[[ -e ${config.age.secrets.initrd_host_ed25519_key.path} ]] \
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|| ${pkgs.openssh}/bin/ssh-keygen -t ed25519 -N "" -f ${config.age.secrets.initrd_host_ed25519_key.path}
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'';
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deps = ["agenixInstall"];
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};
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system.activationScripts.agenixChown.deps = ["agenixEnsureInitrdHostkey"];
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}
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