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rsnapshot module: Avoid package rebuild, pass config file explicitly.

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This commit is contained in:
Alexei Robyn 2016-05-11 20:52:49 +10:00
parent 7abe192b05
commit c90d5eb298
1 changed files with 17 additions and 31 deletions
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46
nixos/modules/services/backup/rsnapshot.nix
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@ -2,7 +2,19 @@
with lib; with lib;
let cfg = config.services.rsnapshot; let
cfg = config.services.rsnapshot;
cfgfile = pkgs.writeText "rsnapshot.conf" ''
config_version 1.2
cmd_cp ${pkgs.coreutils}/bin/cp
cmd_rsync ${pkgs.rsync}/bin/rsync
cmd_ssh ${pkgs.openssh}/bin/ssh
cmd_logger ${pkgs.inetutils}/bin/logger
cmd_du ${pkgs.coreutils}/bin/du
lockfile /run/rsnapshot.pid
${cfg.extraConfig}
'';
in in
{ {
options = { options = {
@ -39,37 +51,11 @@ in
as retain options. as retain options.
''; '';
}; };
package = mkOption {
type = types.package;
default = pkgs.rsnapshot;
defaultText = "pkgs.rsnapshot";
example = literalExample "pkgs.rsnapshotGit";
description = ''
RSnapshot package to use.
'';
};
}; };
}; };
config = mkIf cfg.enable (let config = mkIf cfg.enable {
myRsnapshot = cfg.package.override { configFile = rsnapshotCfg; };
rsnapshotCfg = with pkgs; writeText "gen-rsnapshot.conf" (''
config_version 1.2
cmd_cp ${coreutils}/bin/cp
cmd_rsync ${rsync}/bin/rsync
cmd_ssh ${openssh}/bin/ssh
cmd_logger ${inetutils}/bin/logger
cmd_du ${coreutils}/bin/du
lockfile /run/rsnapshot.pid
${cfg.extraConfig}
'');
in {
environment.systemPackages = [ myRsnapshot ];
services.cron.systemCronJobs = services.cron.systemCronJobs =
mapAttrsToList (interval: time: "${time} root ${myRsnapshot}/bin/rsnapshot ${interval}") cfg.cronIntervals; mapAttrsToList (interval: time: "${time} root ${pkgs.rsnapshot}/bin/rsnapshot -c ${cfgfile} ${interval}") cfg.cronIntervals;
} };
);
} }