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merge morph metadata into system configurations

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This commit is contained in:
Sean Buckley 2021-10-28 15:51:41 -04:00
parent 37d4634ee0
commit acf460ec7a
2 changed files with 20 additions and 12 deletions
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15
lib/morph.nix
View file

@ -5,13 +5,6 @@
, extraMorphModules ? [ ]
}:
let
allHostsMeta = builtins.mapAttrs
(n: v: import (path + "/${n}"))
nixosConfigurations;
in
{
morph-entrypoint = system:
let
@ -29,7 +22,7 @@ in
getConfig = name: value: { ... }: {
imports = extraMorphModules ++ nixosConfigurations.${name}.extraArgs.modules;
config = nixpkgs.lib.mkMerge [
{ inherit (allHostsMeta.${name}) deployment; }
{ inherit (value.config.sconfig.morph) deployment; }
{ deployment.healthChecks = globalHealthChecks; }
];
};
@ -53,7 +46,7 @@ in
sshKnownHostsTxt = pkgs.writeText "known_hosts" (concatMapStrings
(hostName:
let m = allHostsMeta.${hostName};
let m = nixosConfigurations.${hostName}.config.sconfig.morph;
in concatMapStrings (key: "${m.deployment.targetHost} ${key}\n") m.sshPublicKeys
)
(builtins.attrNames nixosConfigurations)
@ -91,9 +84,7 @@ in
'';
ssh = sh ''
[ -n "$1" ] || die "Specify a host"
[ -d "${path}/$1" ] || die "Invalid host"
ip="$(nix eval --raw --file "${path}/$1" deployment.targetHost)"
ip="$(nix eval --raw --file ./. "nixosConfigurations.\"$1\".config.sconfig.morph.deployment.targetHost")"
shift
exec ssh -F"${sshConfig}" "$ip" "$@"
'';

17
modules/morph.nix Normal file
View file

@ -0,0 +1,17 @@
{ lib, ... }:
with lib.types;
{
options.sconfig.morph = {
sshPublicKeys = lib.mkOption {
type = listOf str;
default = [ ];
};
deployment = lib.mkOption {
type = attrs;
default = { };
};
};
}