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nixos/networking: Rebuild resolvconf during activation

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This is needed when /etc/resolv.conf is being overriden by networkd
and other configurations. If the file is destroyed by an environment
activation then it must be rebuilt so that applications which interface
with /etc/resolv.conf directly don't break.
This commit is contained in:
William A. Kennington III 2014-11-24 00:50:26 -08:00
parent 8cffa37787
commit c234e7b115
1 changed files with 18 additions and 0 deletions
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18
nixos/modules/config/networking.nix
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@ -98,6 +98,24 @@ in
# pulled in by this target.
systemd.targets.ip-up.description = "Services Requiring IP Connectivity";
# This is needed when /etc/resolv.conf is being overriden by networkd
# and other configurations. If the file is destroyed by an environment
# activation then it must be rebuilt so that applications which interface
# with /etc/resolv.conf directly don't break.
system.activationScripts.resolvconf = stringAfter [ "etc" "tmpfs" "var" ]
''
# Systemd resolved controls its own resolv.conf
rm -f /run/resolvconf/interfaces/systemd
${optionalString config.services.resolved.enable ''
rm -rf /run/resolvconf/interfaces
mkdir -p /run/resolvconf/interfaces
ln -s /run/systemd/resolve/resolv.conf /run/resolvconf/interfaces/systemd
''}
# Make sure resolv.conf is up to date
${pkgs.openresolv}/bin/resolvconf -u
'';
};
}