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Address @yegortimoshenko review

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This commit is contained in:
Michishige Kaito 2018-03-27 16:35:54 +01:00
parent bde525aaaf
commit c515f7036e
1 changed files with 21 additions and 27 deletions
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48
nixos/modules/services/backup/tarsnap.nix
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@ -304,7 +304,7 @@ in
requires = [ "network-online.target" ];
after = [ "network-online.target" ];
path = [ pkgs.iputils pkgs.tarsnap pkgs.utillinux ];
path = with pkgs; [ iputils tarsnap utillinux ];
# In order for the persistent tarsnap timer to work reliably, we have to
# make sure that the tarsnap server is reachable after systemd starts up
@ -314,9 +314,9 @@ in
while ! ping -q -c 1 v1-0-0-server.tarsnap.com &> /dev/null; do sleep 3; done
'';
script =
let run = ''tarsnap --configfile "/etc/tarsnap/${name}.conf" \
-c -f "${name}-$(date +"%Y%m%d%H%M%S")" \
script = let
tarsnap = ''tarsnap --configfile "/etc/tarsnap/${name}.conf"'';
run = ''${tarsnap} -c -f "${name}-$(date +"%Y%m%d%H%M%S")" \
${optionalString cfg.verbose "-v"} \
${optionalString cfg.explicitSymlinks "-H"} \
${optionalString cfg.followSymlinks "-L"} \
@ -329,7 +329,7 @@ in
if [ ! -e ${cfg.cachedir}/firstrun ]; then
( flock 10
flock -u 9
tarsnap --configfile "/etc/tarsnap/${name}.conf" --fsck
${tarsnap} --fsck
flock 9
) 10>${cfg.cachedir}/firstrun
fi
@ -351,35 +351,29 @@ in
description = "Tarsnap restore '${name}'";
requires = [ "network-online.target" ];
path = [ pkgs.iputils pkgs.tarsnap pkgs.utillinux ];
path = with pkgs; [ iputils tarsnap utillinux ];
##
preStart = ''
while ! ping -q -c 1 v1-0-0-server.tarsnap.com &> /dev/null; do sleep 3; done
'';
script =
let
script = let
tarsnap = ''tarsnap --configfile "/etc/tarsnap/${name}.conf"'';
lastArchive = ''$(${tarsnap} --list-archives | sort | tail -1)'';
run = ''${tarsnap} -x -f "${lastArchive}" ${optionalString cfg.verbose "-v"}'';
in if (cfg.cachedir != null) then ''
mkdir -p ${cfg.cachedir}
chmod 0700 ${cfg.cachedir}
in if (cfg.cachedir != null) then ''
mkdir -p ${cfg.cachedir}
chmod 0700 ${cfg.cachedir}
( flock 9
if [ ! -e ${cfg.cachedir}/firstrun ]; then
( flock 10
flock -u 9
${tarsnap} --fsck
flock 9
) 10>${cfg.cachedir}/firstrun
fi
) 9>${cfg.cachedir}/lockf
( flock 9
if [ ! -e ${cfg.cachedir}/firstrun ]; then
( flock 10
flock -u 9
${tarsnap} --fsck
flock 9
) 10>${cfg.cachedir}/firstrun
fi
) 9>${cfg.cachedir}/lockf
exec flock ${cfg.cachedir}/firstrun ${run}
'' else "exec ${run}";
exec flock ${cfg.cachedir}/firstrun ${run}
'' else "exec ${run}";
serviceConfig = {
Type = "oneshot";