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networkmanager: Add option for appending DNS settings

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If the option is enabled, the DNS servers from networking.nameservers
will be inserted in /etc/resolv.conf after the DNS servers that
NetworkManager receieves by DHCP, or that is configured manually
in the connection settings.
This commit is contained in:
Rickard Nilsson 2013-08-20 13:36:01 +02:00
parent 71a21704dc
commit 1ff7584a30
1 changed files with 15 additions and 4 deletions
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19
modules/services/networking/networkmanager.nix
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@ -46,8 +46,8 @@ let
overrideNameserversScript = writeScript "02overridedns" ''
#!/bin/sh
${pkgs.gnused}/bin/sed -i '/nameserver /d' /etc/resolv.conf
${pkgs.lib.concatStringsSep ";" (map (s: "echo 'nameserver ${s}' >> /etc/resolv.conf") config.networking.nameservers)}
${optionalString cfg.overrideNameservers "${gnused}/bin/sed -i '/nameserver /d' /etc/resolv.conf"}
${concatStringsSep ";" (map (s: "echo 'nameserver ${s}' >> /etc/resolv.conf") config.networking.nameservers)}
'';
in {
@ -84,7 +84,18 @@ in {
description = ''
If enabled, any nameservers received by DHCP or configured in
NetworkManager will be replaced by the nameservers configured
in the <literal>networking.nameservers</literal> option.
in the <literal>networking.nameservers</literal> option. This
option overrides the <literal>appendNameservers</literal> option
if both are enabled.
'';
};
appendNameservers = mkOption {
default = false;
description = ''
If enabled, the name servers configured in the
<literal>networking.nameservers</literal> option will be appended
to the ones configured in NetworkManager or received by DHCP.
'';
};
@ -117,7 +128,7 @@ in {
{ source = "${networkmanager_openconnect}/etc/NetworkManager/VPN/nm-openconnect-service.name";
target = "NetworkManager/VPN/nm-openconnect-service.name";
}
] ++ pkgs.lib.optional cfg.overrideNameservers
] ++ pkgs.lib.optional (cfg.overrideNameservers || cfg.appendNameservers)
{ source = overrideNameserversScript;
target = "NetworkManager/dispatcher.d/02overridedns";
};