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Merge pull request #29890 from mbrgm/nullmailer-fix

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nixos/nullmailer: fixes and `remotesFile` option
This commit is contained in:
Jörg Thalheim 2017-09-28 21:29:37 +01:00 committed by GitHub
commit 12ac88af1d
1 changed files with 33 additions and 6 deletions
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39
nixos/modules/services/mail/nullmailer.nix
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@ -35,6 +35,18 @@ with lib;
description = "Whether to set the system sendmail to nullmailer's.";
};
remotesFile = mkOption {
type = types.nullOr types.str;
default = null;
description = ''
Path to the <code>remotes</code> control file. This file contains a
list of remote servers to which to send each message.
See <code>man 8 nullmailer-send</code> for syntax and available
options.
'';
};
config = {
adminaddr = mkOption {
type = types.nullOr types.str;
@ -142,7 +154,16 @@ with lib;
type = types.nullOr types.str;
default = null;
description = ''
If set, content will override the envelope sender on all messages.
A list of remote servers to which to send each message. Each line
contains a remote host name or address followed by an optional
protocol string, separated by white space.
See <code>man 8 nullmailer-send</code> for syntax and available
options.
WARNING: This is stored world-readable in the nix store. If you need
to specify any secret credentials here, consider using the
<code>remotesFile</code> option instead.
'';
};
@ -164,13 +185,19 @@ with lib;
cfg = config.services.nullmailer;
in mkIf cfg.enable {
assertions = [
{ assertion = cfg.config.remotes == null || cfg.remotesFile == null;
message = "Only one of `remotesFile` or `config.remotes` may be used at a time.";
}
];
environment = {
systemPackages = [ pkgs.nullmailer ];
etc = let
getval = attr: builtins.getAttr attr cfg.config;
attrs = builtins.attrNames cfg.config;
attrs' = builtins.filter (attr: ! isNull (getval attr)) attrs;
in foldl' (as: attr: as // { "nullmailer/${attr}".text = getval attr; }) {} attrs';
validAttrs = filterAttrs (name: value: value != null) cfg.config;
in
(foldl' (as: name: as // { "nullmailer/${name}".text = validAttrs.${name}; }) {} (attrNames validAttrs))
// optionalAttrs (cfg.remotesFile != null) { "nullmailer/remotes".source = cfg.remotesFile; };
};
users = {
@ -192,7 +219,7 @@ with lib;
preStart = ''
mkdir -p /var/spool/nullmailer/{queue,tmp}
rm -f var/spool/nullmailer/trigger && mkfifo -m 660 /var/spool/nullmailer/trigger
rm -f /var/spool/nullmailer/trigger && mkfifo -m 660 /var/spool/nullmailer/trigger
chown ${cfg.user} /var/spool/nullmailer/*
'';