krebs.secret: restart units on secret change

This commit is contained in:
tv 2020-08-04 22:22:43 +02:00
parent 4227cadb68
commit ec91d1b83c
15 changed files with 67 additions and 42 deletions

View file

@ -26,6 +26,7 @@ let
private_key = mkOption {
type = types.secret-file;
default = {
name = "exim.dkim_private_key/${config.domain}";
path = "/run/krebs.secret/${config.domain}.dkim_private_key";
owner.name = "exim";
source-path = toString <secrets> + "/${config.domain}.dkim.priv";
@ -118,7 +119,7 @@ let
after = flip map cfg.dkim (dkim:
config.krebs.secret.files."exim.dkim_private_key/${dkim.domain}".service
);
requires = flip map cfg.dkim (dkim:
partOf = flip map cfg.dkim (dkim:
config.krebs.secret.files."exim.dkim_private_key/${dkim.domain}".service
);
};

View file

@ -124,6 +124,7 @@ let
privateKeyFile = mkOption {
type = types.secret-file;
default = {
name = "repo-sync-key";
path = "${cfg.stateDir}/ssh.priv";
owner = cfg.user;
source-path = toString <secrets> + "/repo-sync.ssh.key";
@ -170,7 +171,7 @@ let
config.krebs.secret.files.repo-sync-key.service
"network.target"
];
requires = [
partOf = [
config.krebs.secret.files.repo-sync-key.service
];

View file

@ -1,4 +1,5 @@
{ config, lib, pkgs, ... }@args: with import <stockholm/lib>; let
with import <stockholm/lib>;
{ config, lib, pkgs, ... }: let
cfg = config.krebs.secret;
in {
options.krebs.secret = {
@ -8,32 +9,43 @@ in {
};
};
config = lib.mkIf (cfg.files != {}) {
systemd.services.secret = let
# TODO fail if two files have the same path but differ otherwise
files = unique (map (flip removeAttrs ["_module"])
(attrValues cfg.files));
in {
serviceConfig = {
Type = "oneshot";
RemainAfterExit = "yes";
SyslogIdentifier = "secret";
ExecStart = pkgs.writeDash "install-secret-files" ''
exit_code=0
${concatMapStringsSep "\n" (file: ''
${pkgs.coreutils}/bin/install \
-D \
--compare \
--verbose \
--mode=${shell.escape file.mode} \
--owner=${shell.escape file.owner.name} \
--group=${shell.escape file.group-name} \
${shell.escape file.source-path} \
${shell.escape file.path} \
|| exit_code=1
'') files}
exit $exit_code
'';
};
};
systemd.paths =
mapAttrs'
(name: file: nameValuePair "secret-trigger-${systemd.encodeName name}" {
wantedBy = ["multi-user.target"];
pathConfig.PathChanged = file.source-path;
})
cfg.files;
systemd.services =
mapAttrs'
(name: file: nameValuePair "secret-trigger-${systemd.encodeName name}" {
wantedBy = ["multi-user.target"];
serviceConfig = {
Type = "oneshot";
ExecStart = "${pkgs.systemd}/bin/systemctl restart ${file.service}";
};
})
cfg.files
//
mapAttrs'
(name: file: nameValuePair "secret-${systemd.encodeName name}" {
wantedBy = ["multi-user.target"];
serviceConfig = {
Type = "oneshot";
RemainAfterExit = "yes";
ExecStart = toString [
"${pkgs.coreutils}/bin/install"
"-D"
"--compare"
"--verbose"
"--mode=${file.mode}"
"--owner=${file.owner.name}"
"--group=${file.group-name}"
file.source-path
file.path
];
};
})
cfg.files;
};
}

View file

@ -158,6 +158,7 @@ let
privkey = mkOption {
type = types.secret-file;
default = {
name = "${tinc.config.netname}.rsa_key.priv";
path = "${tinc.config.user.home}/tinc.rsa_key.priv";
owner = tinc.config.user;
source-path = toString <secrets> + "/${tinc.config.netname}.rsa_key.priv";
@ -223,7 +224,7 @@ let
config.krebs.secret.files."${netname}.rsa_key.priv".service
"network.target"
];
requires = [
partOf = [
config.krebs.secret.files."${netname}.rsa_key.priv".service
];
wantedBy = [ "multi-user.target" ];

View file

@ -12,7 +12,7 @@
after = [
config.krebs.secret.files.nix-serve-key.service
];
requires = [
partOf = [
config.krebs.secret.files.nix-serve-key.service
];
};

View file

@ -17,7 +17,7 @@
after = [
config.krebs.secret.files.mysql_rootPassword.service
];
requires = [
partOf = [
config.krebs.secret.files.mysql_rootPassword.service
];
};

View file

@ -17,6 +17,7 @@ in {
certfile = mkOption {
type = types.secret-file;
default = {
name = "ejabberd-certfile";
path = "${cfg.user.home}/ejabberd.pem";
owner = cfg.user;
source-path = "/var/lib/acme/lassul.us/full.pem";
@ -25,6 +26,7 @@ in {
dhfile = mkOption {
type = types.secret-file;
default = {
name = "ejabberd-dhfile";
path = "${cfg.user.home}/dhparams.pem";
owner = cfg.user;
source-path = "/dev/null";
@ -79,7 +81,7 @@ in {
config.krebs.secret.files.ejabberd-s2s_certfile.service
"network.target"
];
requires = [
partOf = [
config.krebs.secret.files.ejabberd-certfile.service
config.krebs.secret.files.ejabberd-s2s_certfile.service
];

View file

@ -8,6 +8,9 @@ let
krebs = import ./krebs lib;
krops = import ../submodules/krops/lib;
shell = import ./shell.nix { inherit lib; };
systemd = {
encodeName = replaceChars ["/"] ["\\x2f"];
};
types = nixpkgs-lib.types // import ./types.nix { inherit lib; };
xml = import ./xml.nix { inherit lib; };

View file

@ -238,7 +238,7 @@ rec {
secret-file = submodule ({ config, ... }: {
options = {
name = mkOption {
type = filename;
type = pathname;
default = config._module.args.name;
};
path = mkOption {
@ -257,8 +257,8 @@ rec {
default = "root";
};
service = mkOption {
type = filename;
default = "secret.service";
type = systemd.unit-name;
default = "secret-${lib.systemd.encodeName config.name}.service";
};
source-path = mkOption {
type = str;

View file

@ -12,7 +12,7 @@
after = [
config.krebs.secret.files.nix-serve-key.service
];
requires = [
partOf = [
config.krebs.secret.files.nix-serve-key.service
];
};

View file

@ -74,7 +74,7 @@ in
after = [
config.krebs.secret.files.netdata-stream.service
];
requires = [
partOf = [
config.krebs.secret.files.netdata-stream.service
];
};

View file

@ -12,7 +12,7 @@
after = [
config.krebs.secret.files.binary-cache-seckey.service
];
requires = [
partOf = [
config.krebs.secret.files.binary-cache-seckey.service
];
};

View file

@ -17,6 +17,7 @@ in {
ssl_dh_params = mkOption {
type = types.secret-file;
default = {
name = "charybdis-ssl_dh_params";
path = "${cfg.user.home}/dh.pem";
owner = cfg.user;
source-path = toString <secrets> + "/charybdis.dh.pem";
@ -25,6 +26,7 @@ in {
ssl_private_key = mkOption {
type = types.secret-file;
default = {
name = "charybdis-ssl_private_key";
path = "${cfg.user.home}/ssl.key.pem";
owner = cfg.user;
source-path = toString <secrets> + "/charybdis.key.pem";
@ -56,7 +58,7 @@ in {
config.krebs.secret.files.charybdis-ssl_private_key.service
"network-online.target"
];
requires = [
partOf = [
config.krebs.secret.files.charybdis-ssl_dh_params.service
config.krebs.secret.files.charybdis-ssl_private_key.service
];

View file

@ -18,6 +18,7 @@ in {
certfile = mkOption {
type = types.secret-file;
default = {
name = "ejabberd-certfile";
path = "${cfg.user.home}/ejabberd.pem";
owner = cfg.user;
source-path = toString <secrets> + "/ejabberd.pem";
@ -26,6 +27,7 @@ in {
dhfile = mkOption {
type = types.secret-file;
default = {
name = "ejabberd-dhfile";
path = "${cfg.user.home}/dhparams.pem";
owner = cfg.user;
source-path = "/dev/null";
@ -100,7 +102,7 @@ in {
config.krebs.secret.files.ejabberd-s2s_certfile.service
"network.target"
];
requires = [
partOf = [
config.krebs.secret.files.ejabberd-certfile.service
config.krebs.secret.files.ejabberd-s2s_certfile.service
];

View file

@ -12,6 +12,7 @@ in {
enable = mkEnableOption "tv.x0vncserver";
pwfile = mkOption {
default = {
name = "x0vncserver-pwfile";
owner = cfg.user;
path = "${cfg.user.home}/.vncpasswd";
source-path = toString <secrets> + "/vncpasswd";