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nixos/keybase, nixos/kbfs: update service configs; add redirector

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This commit is contained in:
Tad Fisher 2019-12-18 16:02:41 -08:00
parent 8a7cc62063
commit b4bacff13f
2 changed files with 78 additions and 21 deletions
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88
nixos/modules/services/network-filesystems/kbfs.nix
View file

@ -1,6 +1,7 @@
{ config, lib, pkgs, ... }:
with lib;
let
inherit (config.security) wrapperDir;
cfg = config.services.kbfs;
in {
@ -17,6 +18,16 @@ in {
description = "Whether to mount the Keybase filesystem.";
};
enableRedirector = mkOption {
type = types.bool;
default = false;
description = ''
Whether to enable the Keybase root redirector service, allowing
any user to access KBFS files via <literal>/keybase</literal>,
which will show different contents depending on the requester.
'';
};
mountPoint = mkOption {
type = types.str;
default = "%h/keybase";
@ -41,26 +52,67 @@ in {
###### implementation
config = mkIf cfg.enable {
config = mkIf cfg.enable (mkMerge [
{
# Upstream: https://github.com/keybase/client/blob/master/packaging/linux/systemd/kbfs.service
systemd.user.services.kbfs = {
description = "Keybase File System";
systemd.user.services.kbfs = {
description = "Keybase File System";
requires = [ "keybase.service" ];
after = [ "keybase.service" ];
path = [ "/run/wrappers" ];
unitConfig.ConditionUser = "!@system";
serviceConfig = {
ExecStartPre = "${pkgs.coreutils}/bin/mkdir -p ${cfg.mountPoint}";
ExecStart = "${pkgs.kbfs}/bin/kbfsfuse ${toString cfg.extraFlags} ${cfg.mountPoint}";
ExecStopPost = "/run/wrappers/bin/fusermount -u ${cfg.mountPoint}";
Restart = "on-failure";
PrivateTmp = true;
# Note that the "Requires" directive will cause a unit to be restarted whenever its dependency is restarted.
# Do not issue a hard dependency on keybase, because kbfs can reconnect to a restarted service.
# Do not issue a hard dependency on keybase-redirector, because it's ok if it fails (e.g., if it is disabled).
wants = [ "keybase.service" ] ++ optional cfg.enableRedirector "keybase-redirector.service";
path = [ "/run/wrappers" ];
unitConfig.ConditionUser = "!@system";
serviceConfig = {
Type = "notify";
# Keybase notifies from a forked process
EnvironmentFile = [
"-%E/keybase/keybase.autogen.env"
"-%E/keybase/keybase.env"
];
ExecStartPre = [
"${pkgs.coreutils}/bin/mkdir -p \"${cfg.mountPoint}\""
"-${wrapperDir}/fusermount -uz \"${cfg.mountPoint}\""
];
ExecStart = "${pkgs.kbfs}/bin/kbfsfuse ${toString cfg.extraFlags} \"${cfg.mountPoint}\"";
ExecStop = "${wrapperDir}/fusermount -uz \"${cfg.mountPoint}\"";
Restart = "on-failure";
PrivateTmp = true;
};
wantedBy = [ "default.target" ];
};
wantedBy = [ "default.target" ];
};
services.keybase.enable = true;
services.keybase.enable = true;
environment.systemPackages = [ pkgs.kbfs ];
};
environment.systemPackages = [ pkgs.kbfs ];
}
(mkIf cfg.enableRedirector {
security.wrappers."keybase-redirector".source = "${pkgs.kbfs}/bin/redirector";
systemd.tmpfiles.rules = [ "d /keybase 0755 root root 0" ];
# Upstream: https://github.com/keybase/client/blob/master/packaging/linux/systemd/keybase-redirector.service
systemd.user.services.keybase-redirector = {
description = "Keybase Root Redirector for KBFS";
wants = [ "keybase.service" ];
unitConfig.ConditionUser = "!@system";
serviceConfig = {
EnvironmentFile = [
"-%E/keybase/keybase.autogen.env"
"-%E/keybase/keybase.env"
];
# Note: The /keybase mount point is not currently configurable upstream.
ExecStart = "${wrapperDir}/keybase-redirector /keybase";
Restart = "on-failure";
PrivateTmp = true;
};
wantedBy = [ "default.target" ];
};
})
]);
}

11
nixos/modules/services/networking/keybase.nix
View file

@ -24,13 +24,18 @@ in {
config = mkIf cfg.enable {
# Upstream: https://github.com/keybase/client/blob/master/packaging/linux/systemd/keybase.service
systemd.user.services.keybase = {
description = "Keybase service";
unitConfig.ConditionUser = "!@system";
environment.KEYBASE_SERVICE_TYPE = "systemd";
serviceConfig = {
ExecStart = ''
${pkgs.keybase}/bin/keybase service --auto-forked
'';
Type = "notify";
EnvironmentFile = [
"-%E/keybase/keybase.autogen.env"
"-%E/keybase/keybase.env"
];
ExecStart = "${pkgs.keybase}/bin/keybase service";
Restart = "on-failure";
PrivateTmp = true;
};