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module: no conditionals when exposing manifests

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This commit is contained in:
Jörg Thalheim 2022-01-04 16:13:22 +01:00
parent 3849e43a31
commit ea297c304d
1 changed files with 56 additions and 53 deletions
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109
modules/sops/default.nix
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@ -259,62 +259,65 @@ in {
(mkRenamedOptionModule [ "sops" "gnupgHome" ] [ "sops" "gnupg" "home" ])
(mkRenamedOptionModule [ "sops" "sshKeyPaths" ] [ "sops" "gnupg" "sshKeyPaths" ])
];
config = mkIf (cfg.secrets != {}) {
assertions = [{
assertion = cfg.gnupg.home != null || cfg.gnupg.sshKeyPaths != [] || cfg.age.keyFile != null || cfg.age.sshKeyPaths != [];
message = "No key source configurated for sops";
} {
assertion = !(cfg.gnupg.home != null && cfg.gnupg.sshKeyPaths != []);
message = "Exactly one of sops.gnupg.home and sops.gnupg.sshKeyPaths must be set";
} {
assertion = (filterAttrs (_: v: v.owner != "root" || v.group != "root") secretsForUsers) == {};
message = "neededForUsers cannot be used for secrets that are not root-owned";
}] ++ optionals cfg.validateSopsFiles (
concatLists (mapAttrsToList (name: secret: [{
assertion = builtins.pathExists secret.sopsFile;
message = "Cannot find path '${secret.sopsFile}' set in sops.secrets.${strings.escapeNixIdentifier name}.sopsFile";
config = mkMerge [
(mkIf (cfg.secrets != {}) {
assertions = [{
assertion = cfg.gnupg.home != null || cfg.gnupg.sshKeyPaths != [] || cfg.age.keyFile != null || cfg.age.sshKeyPaths != [];
message = "No key source configurated for sops";
} {
assertion =
builtins.isPath secret.sopsFile ||
(builtins.isString secret.sopsFile && hasPrefix builtins.storeDir secret.sopsFile);
message = "'${secret.sopsFile}' is not in the Nix store. Either add it to the Nix store or set sops.validateSopsFiles to false";
}]) cfg.secrets)
);
assertion = !(cfg.gnupg.home != null && cfg.gnupg.sshKeyPaths != []);
message = "Exactly one of sops.gnupg.home and sops.gnupg.sshKeyPaths must be set";
} {
assertion = (filterAttrs (_: v: v.owner != "root" || v.group != "root") secretsForUsers) == {};
message = "neededForUsers cannot be used for secrets that are not root-owned";
}] ++ optionals cfg.validateSopsFiles (
concatLists (mapAttrsToList (name: secret: [{
assertion = builtins.pathExists secret.sopsFile;
message = "Cannot find path '${secret.sopsFile}' set in sops.secrets.${strings.escapeNixIdentifier name}.sopsFile";
} {
assertion =
builtins.isPath secret.sopsFile ||
(builtins.isString secret.sopsFile && hasPrefix builtins.storeDir secret.sopsFile);
message = "'${secret.sopsFile}' is not in the Nix store. Either add it to the Nix store or set sops.validateSopsFiles to false";
}]) cfg.secrets)
);
sops.environment.SOPS_GPG_EXEC = mkIf (cfg.gnupg.home != null) (mkDefault "${pkgs.gnupg}/bin/gpg");
sops.environment.SOPS_GPG_EXEC = mkIf (cfg.gnupg.home != null) (mkDefault "${pkgs.gnupg}/bin/gpg");
system.activationScripts = {
setupSecretsForUsers = mkIf (secretsForUsers != {}) (stringAfter ([ "specialfs" ] ++ optional cfg.age.generateKey "generate-age-key") ''
[ -e /run/current-system ] || echo setting up secrets for users...
${withEnvironment "${sops-install-secrets}/bin/sops-install-secrets -ignore-passwd ${manifestForUsers}"}
'' // lib.optionalAttrs (config.system ? dryActivationScript) {
supportsDryActivation = true;
});
system.activationScripts = {
setupSecretsForUsers = mkIf (secretsForUsers != {}) (stringAfter ([ "specialfs" ] ++ optional cfg.age.generateKey "generate-age-key") ''
[ -e /run/current-system ] || echo setting up secrets for users...
${withEnvironment "${sops-install-secrets}/bin/sops-install-secrets -ignore-passwd ${manifestForUsers}"}
'' // lib.optionalAttrs (config.system ? dryActivationScript) {
supportsDryActivation = true;
});
users = mkIf (secretsForUsers != {}) {
deps = [ "setupSecretsForUsers" ];
users = mkIf (secretsForUsers != {}) {
deps = [ "setupSecretsForUsers" ];
};
setupSecrets = mkIf (regularSecrets != {}) (stringAfter ([ "specialfs" "users" "groups" ] ++ optional cfg.age.generateKey "generate-age-key") ''
[ -e /run/current-system ] || echo setting up secrets...
${withEnvironment "${sops-install-secrets}/bin/sops-install-secrets ${manifest}"}
'' // lib.optionalAttrs (config.system ? dryActivationScript) {
supportsDryActivation = true;
});
generate-age-key = mkIf (cfg.age.generateKey) (stringAfter [] ''
if [[ ! -f '${cfg.age.keyFile}' ]]; then
echo generating machine-specific age key...
mkdir -p $(dirname ${cfg.age.keyFile})
# age-keygen sets 0600 by default, no need to chmod.
${pkgs.age}/bin/age-keygen -o ${cfg.age.keyFile}
fi
'');
};
setupSecrets = mkIf (regularSecrets != {}) (stringAfter ([ "specialfs" "users" "groups" ] ++ optional cfg.age.generateKey "generate-age-key") ''
[ -e /run/current-system ] || echo setting up secrets...
${withEnvironment "${sops-install-secrets}/bin/sops-install-secrets ${manifest}"}
'' // lib.optionalAttrs (config.system ? dryActivationScript) {
supportsDryActivation = true;
});
generate-age-key = mkIf (cfg.age.generateKey) (stringAfter [] ''
if [[ ! -f '${cfg.age.keyFile}' ]]; then
echo generating machine-specific age key...
mkdir -p $(dirname ${cfg.age.keyFile})
# age-keygen sets 0600 by default, no need to chmod.
${pkgs.age}/bin/age-keygen -o ${cfg.age.keyFile}
fi
'');
};
system.build =
(optionalAttrs (secretsForUsers != {}) { sops-nix-users-manifest = manifestForUsers; }) //
(optionalAttrs (regularSecrets != {}) { sops-nix-manifest = manifest; });
};
})
{
system.build = {
sops-nix-users-manifest = manifestForUsers;
sops-nix-manifest = manifest;
};
}
];
}