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29027fd1e1
Using pkgs.lib on the spine of module evaluation is problematic because the pkgs argument depends on the result of module evaluation. To prevent an infinite recursion, pkgs and some of the modules are evaluated twice, which is inefficient. Using ‘with lib’ prevents this problem.
86 lines
2.1 KiB
Nix
86 lines
2.1 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let cfg = config.services.gogoclient;
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in
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{
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###### interface
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options = {
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services.gogoclient = {
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enable = mkOption {
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default = false;
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type = types.bool;
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description = ''
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Enable the gogoCLIENT IPv6 tunnel.
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'';
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};
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autorun = mkOption {
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default = true;
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description = ''
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Whether to automatically start the tunnel.
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'';
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};
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username = mkOption {
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default = "";
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description = ''
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Your Gateway6 login name, if any.
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'';
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};
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password = mkOption {
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default = "";
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type = types.string;
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description = ''
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Path to a file (as a string), containing your gogoNET password, if any.
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'';
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};
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server = mkOption {
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default = "anonymous.freenet6.net";
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example = "broker.freenet6.net";
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description = "The Gateway6 server to be used.";
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};
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};
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};
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###### implementation
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config = mkIf cfg.enable {
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boot.kernelModules = [ "tun" ];
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networking.enableIPv6 = true;
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systemd.services.gogoclient = {
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description = "ipv6 tunnel";
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after = [ "network.target" ];
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requires = [ "network.target" ];
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unitConfig.RequiresMountsFor = "/var/lib/gogoc";
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script = let authMethod = if cfg.password == "" then "anonymous" else "any"; in ''
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mkdir -p -m 700 /var/lib/gogoc
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cat ${pkgs.gogoclient}/share/${pkgs.gogoclient.name}/gogoc.conf.sample | \
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${pkgs.gnused}/bin/sed \
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-e "s|^userid=|&${cfg.username}|" \
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-e "s|^passwd=|&${optionalString (cfg.password != "") "$(cat ${cfg.password})"}|" \
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-e "s|^server=.*|server=${cfg.server}|" \
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-e "s|^auth_method=.*|auth_method=${authMethod}|" \
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-e "s|^#log_file=|log_file=1|" > /var/lib/gogoc/gogoc.conf
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cd /var/lib/gogoc
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exec ${pkgs.gogoclient}/bin/gogoc -y -f /var/lib/gogoc/gogoc.conf
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'';
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} // optionalAttrs cfg.autorun {
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wantedBy = [ "ip-up.target" ];
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partOf = [ "ip-up.target" ];
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};
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};
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}
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