58 lines
1.7 KiB
Nix
58 lines
1.7 KiB
Nix
{
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lib,
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config,
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pkgs,
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...
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}: {
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options.mj.services.wifibackup = with lib.types; {
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enable = lib.mkEnableOption "enable wifi code backups to M-Active";
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fromPath = lib.mkOption {
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type = path;
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default = "/etc/NetworkManager/system-connections";
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};
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toPath = lib.mkOption {
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type = path;
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example = "/home/motiejus/M-Active/wifi";
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};
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toUser = lib.mkOption {
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type = str;
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example = "motiejus";
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};
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};
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config = with config.mj.services.wifibackup;
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lib.mkIf enable {
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systemd.timers.wifibackup = {
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description = "wifibackup to M-Active";
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wantedBy = ["timers.target"];
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timerConfig.OnCalendar = "*-*-* 22:00:00 UTC";
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};
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systemd.services.wifibackup = {
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description = "backup ${fromPath} to ${toPath}";
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serviceConfig = {
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Type = "oneshot";
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User = "root";
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SuccessExitStatus = [0 1];
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RemainAfterExit = true;
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};
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script = let
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knownHostsCmd = pkgs.writeShellScript "known-hosts-localhost" ''
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echo -n "localhost "
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exec ${pkgs.coreutils}/bin/cat /etc/ssh/ssh_host_ed25519_key.pub
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'';
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in ''
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sed -i -E '/^(uuid|interface-name)=/d' ${fromPath}/*.nmconnection
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exec ${pkgs.unison}/bin/unison \
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-sshcmd ${pkgs.openssh}/bin/ssh \
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-sshargs "-i /etc/ssh/ssh_host_ed25519_key -o KnownHostsCommand=${knownHostsCmd} -o UserKnownHostsFile=none -o GlobalKnownHostsFile=/dev/null" \
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-batch \
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-backuploc local \
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-backup "Name *" \
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${fromPath} \
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ssh://${toUser}@localhost/${toPath}/
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'';
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};
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};
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}
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