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Merge pull request #284117 from Stunkymonkey/amqp-write-secret

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nixos/rabbitmq: prefer 'install' over 'mkdir/chmod/chown'
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Robert Hensing 2024-02-05 19:29:19 +01:00 committed by GitHub
commit 274ae6a454
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1 changed files with 17 additions and 4 deletions
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21
nixos/modules/services/amqp/rabbitmq.nix
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@ -14,6 +14,15 @@ let
in
{
imports = [
(mkRemovedOptionModule [ "services" "rabbitmq" "cookie" ] ''
This option wrote the Erlang cookie to the store, while it should be kept secret.
Please remove it from your NixOS configuration and deploy a cookie securely instead.
The renamed `unsafeCookie` must ONLY be used in isolated non-production environments such as NixOS VM tests.
'')
];
###### interface
options = {
services.rabbitmq = {
@ -62,13 +71,18 @@ in
'';
};
cookie = mkOption {
unsafeCookie = mkOption {
default = "";
type = types.str;
description = lib.mdDoc ''
Erlang cookie is a string of arbitrary length which must
be the same for several nodes to be allowed to communicate.
Leave empty to generate automatically.
Setting the cookie via this option exposes the cookie to the store, which
is not recommended for security reasons.
Only use this option in an isolated non-production environment such as
NixOS VM tests.
'';
};
@ -209,9 +223,8 @@ in
};
preStart = ''
${optionalString (cfg.cookie != "") ''
echo -n ${cfg.cookie} > ${cfg.dataDir}/.erlang.cookie
chmod 600 ${cfg.dataDir}/.erlang.cookie
${optionalString (cfg.unsafeCookie != "") ''
install -m 600 <(echo -n ${cfg.unsafeCookie}) ${cfg.dataDir}/.erlang.cookie
''}
'';
};