86 lines
2.3 KiB
Nix
86 lines
2.3 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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hostname = config.instance.hostname;
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initrd-cfg = config.fudo.hosts.${hostname}.initrd-network;
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gen-sshfp-records = hostname: pubkey: let
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pubkey-file = wirteTextFile {
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name = "${hostname}-initrd-ssh-pubkey";
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text = pubkey;
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};
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in pkgs.stdenv.mkDerivation {
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name = "${hostname}-initrd-ssh-firngerprint";
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phases = [ "installPhase" ];
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installPhase = ''
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mkdir $out
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ssh-keygen -r REMOVEME -f "${pubkey-file}" | sed 's/^REMOVEME IN SSHFP //' >> $out/${hostname}-initrd-ssh-pubkey.sshfp
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'';
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};
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in {
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config = mkIf (initrd-cfg != null) {
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boot = {
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kernelParams = [
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n "ip=${initrd-cfg.ip}"
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];
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initrd = {
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network = {
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enable = true;
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ssh = let
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admin-ssh-keys =
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concatMap (admin: config.fudo.users.${admin}.ssh-authorized-keys)
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config.instance.local-admins;
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in {
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enable = true;
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port = 22;
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authorizedKeys = admin-ssh-keys;
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hostKeys = [
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initrd-cfg.keypair.private-key-file
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];
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};
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};
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};
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};
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fudo = {
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## Sigh...this doesn't work because the file isn't available soon enough
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## during activation.
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#
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# secrets.host-secrets = mapAttrs
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# (hostname: key-pkg: {
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# initrd-ssh-host-key = {
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# source-file = "${key-pkg}/${key-filename}";
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# target-file = "/var/run/ssh/${key-filename}";
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# user = "root";
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# };
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# })
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# host-keys;
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local-network = {
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network-definition.hosts = mapAttrs'
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(hostname: hostOpts: nameValuePair "${hostname}-recovery"
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{
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ipv4-address = hostOpts.initrd-network-config.ip;
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description = "${hostname} initrd host";
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})
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config.instance.local-hosts;
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extra-records =
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mapAttrs
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(hostname: key-pkg: let
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sshfp-pkg =
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gen-sshfp-records
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hostname hostOpts.initrd-network-config.keypair.public-key;
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sshfps = read-lines "${sshfp-pkg}/${hostname}-initrd-ssh-pubkey.sshfp";
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in map (sshfp: "${hostname} IN SSHFP ${sshfp}") sshfps)
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host-keys;
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};
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};
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};
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}
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