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nixos/bind: allow specifying BIND package

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This allows users of the bind module to specify an alternate BIND
package. For example, by overriding the source attribute to use a
different version of BIND.

Since the default value for `services.bind.package` is `pkgs.bind`,
this change is completely backwards compatible with the current
module.
This commit is contained in:
Matt Christ 2021-07-11 08:11:33 -05:00
parent 15ddd8316a
commit 0ce72580be
1 changed files with 14 additions and 4 deletions
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18
nixos/modules/services/networking/bind.nix
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@ -6,6 +6,8 @@ let
cfg = config.services.bind;
bindPkg = config.services.bind.package;
bindUser = "named";
bindZoneCoerce = list: builtins.listToAttrs (lib.forEach list (zone: { name = zone.name; value = zone; }));
@ -104,6 +106,14 @@ in
enable = mkEnableOption "BIND domain name server";
package = mkOption {
type = types.package;
default = pkgs.bind;
defaultText = "pkgs.bind";
description = "The BIND package to use.";
};
cacheNetworks = mkOption {
default = [ "127.0.0.0/24" ];
type = types.listOf types.str;
@ -225,7 +235,7 @@ in
preStart = ''
mkdir -m 0755 -p /etc/bind
if ! [ -f "/etc/bind/rndc.key" ]; then
${pkgs.bind.out}/sbin/rndc-confgen -c /etc/bind/rndc.key -u ${bindUser} -a -A hmac-sha256 2>/dev/null
${bindPkg.out}/sbin/rndc-confgen -c /etc/bind/rndc.key -u ${bindUser} -a -A hmac-sha256 2>/dev/null
fi
${pkgs.coreutils}/bin/mkdir -p /run/named
@ -233,9 +243,9 @@ in
'';
serviceConfig = {
ExecStart = "${pkgs.bind.out}/sbin/named -u ${bindUser} ${optionalString cfg.ipv4Only "-4"} -c ${cfg.configFile} -f";
ExecReload = "${pkgs.bind.out}/sbin/rndc -k '/etc/bind/rndc.key' reload";
ExecStop = "${pkgs.bind.out}/sbin/rndc -k '/etc/bind/rndc.key' stop";
ExecStart = "${bindPkg.out}/sbin/named -u ${bindUser} ${optionalString cfg.ipv4Only "-4"} -c ${cfg.configFile} -f";
ExecReload = "${bindPkg.out}/sbin/rndc -k '/etc/bind/rndc.key' reload";
ExecStop = "${bindPkg.out}/sbin/rndc -k '/etc/bind/rndc.key' stop";
};
unitConfig.Documentation = "man:named(8)";