Luke Granger-Brown
57725ef3ec
git-subtree-dir: third_party/nixpkgs git-subtree-split: 76612b17c0ce71689921ca12d9ffdc9c23ce40b2
122 lines
3.7 KiB
Nix
122 lines
3.7 KiB
Nix
{ config, lib, pkgs, ... }:
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let
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inherit (config.security) wrapperDir;
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cfg = config.services.kbfs;
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in {
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###### interface
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options = {
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services.kbfs = {
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enable = lib.mkOption {
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type = lib.types.bool;
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default = false;
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description = "Whether to mount the Keybase filesystem.";
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};
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enableRedirector = lib.mkOption {
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type = lib.types.bool;
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default = false;
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description = ''
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Whether to enable the Keybase root redirector service, allowing
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any user to access KBFS files via `/keybase`,
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which will show different contents depending on the requester.
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'';
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};
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mountPoint = lib.mkOption {
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type = lib.types.str;
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default = "%h/keybase";
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example = "/keybase";
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description = "Mountpoint for the Keybase filesystem.";
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};
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extraFlags = lib.mkOption {
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type = lib.types.listOf lib.types.str;
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default = [];
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example = [
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"-label kbfs"
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"-mount-type normal"
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];
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description = ''
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Additional flags to pass to the Keybase filesystem on launch.
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'';
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};
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};
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};
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###### implementation
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config = lib.mkIf cfg.enable (lib.mkMerge [
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{
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# Upstream: https://github.com/keybase/client/blob/master/packaging/linux/systemd/kbfs.service
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systemd.user.services.kbfs = {
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description = "Keybase File System";
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# Note that the "Requires" directive will cause a unit to be restarted whenever its dependency is restarted.
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# Do not issue a hard dependency on keybase, because kbfs can reconnect to a restarted service.
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# Do not issue a hard dependency on keybase-redirector, because it's ok if it fails (e.g., if it is disabled).
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wants = [ "keybase.service" ] ++ lib.optional cfg.enableRedirector "keybase-redirector.service";
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path = [ "/run/wrappers" ];
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unitConfig.ConditionUser = "!@system";
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serviceConfig = {
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Type = "notify";
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# Keybase notifies from a forked process
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EnvironmentFile = [
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"-%E/keybase/keybase.autogen.env"
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"-%E/keybase/keybase.env"
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];
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ExecStartPre = [
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"${pkgs.coreutils}/bin/mkdir -p \"${cfg.mountPoint}\""
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"-${wrapperDir}/fusermount -uz \"${cfg.mountPoint}\""
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];
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ExecStart = "${pkgs.kbfs}/bin/kbfsfuse ${toString cfg.extraFlags} \"${cfg.mountPoint}\"";
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ExecStop = "${wrapperDir}/fusermount -uz \"${cfg.mountPoint}\"";
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Restart = "on-failure";
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PrivateTmp = true;
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};
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wantedBy = [ "default.target" ];
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};
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services.keybase.enable = true;
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environment.systemPackages = [ pkgs.kbfs ];
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}
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(lib.mkIf cfg.enableRedirector {
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security.wrappers."keybase-redirector".source = "${pkgs.kbfs}/bin/redirector";
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systemd.tmpfiles.settings."10-kbfs"."/keybase".d = {
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user = "root";
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group = "root";
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mode = "0755";
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age = "0";
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};
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# Upstream: https://github.com/keybase/client/blob/master/packaging/linux/systemd/keybase-redirector.service
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systemd.user.services.keybase-redirector = {
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description = "Keybase Root Redirector for KBFS";
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wants = [ "keybase.service" ];
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unitConfig.ConditionUser = "!@system";
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serviceConfig = {
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EnvironmentFile = [
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"-%E/keybase/keybase.autogen.env"
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"-%E/keybase/keybase.env"
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];
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# Note: The /keybase mount point is not currently configurable upstream.
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ExecStart = "${wrapperDir}/keybase-redirector /keybase";
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Restart = "on-failure";
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PrivateTmp = true;
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};
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wantedBy = [ "default.target" ];
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};
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})
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]);
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}
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