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nixos/systemd/resolved: add resolve to nss hosts database if enabled

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We keep the "only add the nss module if nscd is enabled" logic for now.

The assertion never was triggered, so it can be removed.
This commit is contained in:
Florian Klink 2020-05-05 13:41:12 +02:00
parent 499b5feac9
commit 7426bec45e
2 changed files with 4 additions and 7 deletions
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7
nixos/modules/config/nsswitch.nix
View file

@ -14,14 +14,12 @@ let
nssmdns = canLoadExternalModules && config.services.avahi.nssmdns;
nsswins = canLoadExternalModules && config.services.samba.nsswins;
ldap = canLoadExternalModules && (config.users.ldap.enable && config.users.ldap.nsswitch);
resolved = canLoadExternalModules && config.services.resolved.enable;
hostArray = mkMerge [
(mkBefore [ "files" ])
(mkIf mymachines [ "mymachines" ])
(mkIf nssmdns [ "mdns_minimal [NOTFOUND=return]" ])
(mkIf nsswins [ "wins" ])
(mkIf resolved [ "resolve [!UNAVAIL=return]" ])
(mkAfter [ "dns" ])
(mkIf nssmdns (mkOrder 1501 [ "mdns" ])) # 1501 to ensure it's after dns
(mkIf myhostname (mkOrder 1600 [ "myhostname" ])) # 1600 to ensure it's always the last
@ -134,11 +132,6 @@ in {
assertion = config.system.nssModules.path != "" -> canLoadExternalModules;
message = "Loading NSS modules from path ${config.system.nssModules.path} requires nscd being enabled.";
}
{
# resolved does not need to add to nssModules, therefore needs an extra assertion
assertion = resolved -> canLoadExternalModules;
message = "Loading systemd-resolved's nss-resolve NSS module requires nscd being enabled.";
}
];
# Name Service Switch configuration file. Required by the C

4
nixos/modules/system/boot/resolved.nix
View file

@ -138,6 +138,10 @@ in
users.users.resolved.group = "systemd-resolve";
# add resolve to nss hosts database if enabled and nscd enabled
# system.nssModules is configured in nixos/modules/system/boot/systemd.nix
system.nssDatabases.hosts = optional config.services.nscd.enable "resolve [!UNAVAIL=return]";
systemd.additionalUpstreamSystemUnits = [
"systemd-resolved.service"
];