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https://github.com/NixOS/nixpkgs.git
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53 lines
867 B
Nix
53 lines
867 B
Nix
{ntp, modprobe, glibc, writeText, servers}:
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let
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stateDir = "/var/lib/ntp";
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ntpUser = "ntp";
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config = writeText "ntp.conf" "
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driftfile ${stateDir}/ntp.drift
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${toString (map (server: "server " + server + "\n") servers)}
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";
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ntpFlags = "-c ${config} -u ${ntpUser}:nogroup -i ${stateDir}";
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in
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{
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name = "ntpd";
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users = [
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{ name = ntpUser;
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uid = (import ../system/ids.nix).uids.ntp;
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description = "NTP daemon user";
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home = stateDir;
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}
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];
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job = "
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description \"NTP daemon\"
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start on ip-up
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stop on ip-down
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stop on shutdown
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start script
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mkdir -m 0755 -p ${stateDir}
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chown ${ntpUser} ${stateDir}
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# Needed to run ntpd as an unprivileged user.
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${modprobe}/sbin/modprobe capability || true
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${ntp}/bin/ntpd -q -g ${ntpFlags}
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end script
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respawn ${ntp}/bin/ntpd -n ${ntpFlags}
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";
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}
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