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cluster/catalog: add actions for secrets

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This commit is contained in:
Max Headroom 2024-07-08 15:17:57 +02:00
parent dcc1e1ce83
commit 22ae42673f
2 changed files with 74 additions and 0 deletions
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1
cluster/catalog/default.nix
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@ -1,5 +1,6 @@
{
imports = [
./services.nix
./secrets.nix
];
}

73
cluster/catalog/secrets.nix Normal file
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@ -0,0 +1,73 @@
{ config, lib, withSystem, ... }:
let
inherit (config) cluster hours;
in
{
perSystem = { config, pkgs, system, ... }: {
catalog.cluster = {
secrets = lib.pipe cluster.config.services [
(lib.mapAttrsToList (svcName: svcConfig: lib.mapAttrsToList (secretName: secretConfig: {
name = "${svcName}/${secretName}";
value = {
description = "Cluster secret '${secretName}' of service '${svcName}'";
actions = let
agenixRules = builtins.toFile "agenix-rules-shim.nix" /*nix*/ ''
builtins.fromJSON (builtins.readFile (builtins.getEnv "AGENIX_KEYS_JSON"))
'';
mkKeys = secretFile: nodes: builtins.toFile "agenix-keys.json" (builtins.toJSON {
"${secretFile}".publicKeys = (map (hour: hours.${hour}.ssh.id.publicKey) nodes) ++ cluster.config.secrets.extraKeys;
});
setupCommands = secretFile: nodes: let
agenixKeysJson = mkKeys secretFile nodes;
in ''
export RULES='${agenixRules}'
export AGENIX_KEYS_JSON='${agenixKeysJson}'
mkdir -p "$PRJ_ROOT/cluster/secrets"
cd "$PRJ_ROOT/cluster/secrets"
'';
in (lib.optionalAttrs (secretConfig.generate != null) {
generateSecret = {
description = "Generate this secret";
command = if secretConfig.shared then let
secretFile = "${svcName}-${secretName}.age";
in ''
${setupCommands secretFile secretConfig.nodes}
${withSystem system secretConfig.generate} | agenix -e '${secretFile}'
'' else lib.concatStringsSep "\n" (map (node: let
secretFile = "${svcName}-${secretName}-${node}.age";
in ''
${setupCommands secretFile [ node ]}
${withSystem system secretConfig.generate} | agenix -e '${secretFile}'
'') secretConfig.nodes);
};
}) // (if secretConfig.shared then let
secretFile = "${svcName}-${secretName}.age";
in {
editSecret = {
description = "Edit this secret";
command = ''
${setupCommands secretFile secretConfig.nodes}
agenix -e '${secretFile}'
'';
};
} else lib.mapAttrs' (name: lib.nameValuePair "editSecretInstance-${name}") (lib.genAttrs secretConfig.nodes (node: let
secretFile = "${svcName}-${secretName}-${node}.age";
in {
description = "Edit this secret for '${node}'";
command = ''
${setupCommands secretFile [ node ]}
agenix -e '${secretFile}'
'';
})));
};
}) svcConfig.secrets))
lib.concatLists
lib.listToAttrs
];
};
};
}