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Enable systemd's mymachines NSS module

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It makes every local container registered with machined resolvable.
This commit is contained in:
Eelco Dolstra 2014-08-24 17:08:55 +02:00
parent 9237e86d99
commit d73025a5fe
2 changed files with 21 additions and 23 deletions
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42
nixos/modules/config/nsswitch.nix
View file

@ -35,29 +35,27 @@ in
config = {
environment.etc =
[ # Name Service Switch configuration file. Required by the C library.
# !!! Factor out the mdns stuff. The avahi module should define
# an option used by this module.
{ source = pkgs.writeText "nsswitch.conf"
''
passwd: files ldap
group: files ldap
shadow: files ldap
hosts: files ${optionalString nssmdns "mdns_minimal [NOTFOUND=return]"} dns ${optionalString nssmdns "mdns"} ${optionalString nsswins "wins"} myhostname
networks: files dns
ethers: files
services: files
protocols: files
'';
target = "nsswitch.conf";
}
];
# Name Service Switch configuration file. Required by the C
# library. !!! Factor out the mdns stuff. The avahi module
# should define an option used by this module.
environment.etc."nsswitch.conf".text =
''
passwd: files ldap
group: files ldap
shadow: files ldap
hosts: files ${optionalString nssmdns "mdns_minimal [NOTFOUND=return]"} dns ${optionalString nssmdns "mdns"} ${optionalString nsswins "wins"} myhostname mymachines
networks: files dns
ethers: files
services: files
protocols: files
'';
# Use nss-myhostname to ensure that our hostname always resolves to
# a valid IP address. It returns all locally configured IP
# addresses, or ::1 and 127.0.0.2 as fallbacks.
system.nssModules = [ pkgs.systemd ];
# Systemd provides nss-myhostname to ensure that our hostname
# always resolves to a valid IP address. It returns all locally
# configured IP addresses, or ::1 and 127.0.0.2 as
# fallbacks. Systemd also provides nss-mymachines to return IP
# addresses of local containers.
system.nssModules = [ config.systemd.package ];
};
}

2
nixos/modules/services/system/nscd.nix
View file

@ -62,7 +62,7 @@ in
mkdir -m 0755 -p /var/db/nscd
'';
restartTriggers = [ config.environment.etc.hosts.source ];
restartTriggers = [ config.environment.etc.hosts.source config.environment.etc."nsswitch.conf".source ];
serviceConfig =
{ ExecStart = "@${pkgs.glibc}/sbin/nscd nscd -f ${cfgFile}";