diff options
Diffstat (limited to 'hosts')
| -rw-r--r-- | hosts/surtr/zfs.nix | 59 |
1 files changed, 2 insertions, 57 deletions
diff --git a/hosts/surtr/zfs.nix b/hosts/surtr/zfs.nix index 3e42ef3e..3a69fd96 100644 --- a/hosts/surtr/zfs.nix +++ b/hosts/surtr/zfs.nix | |||
| @@ -1,32 +1,5 @@ | |||
| 1 | { pkgs, config, ... }: | 1 | { pkgs, config, ... }: |
| 2 | let | 2 | { |
| 3 | snapshotNames = ["frequent" "hourly" "daily" "monthly" "yearly"]; | ||
| 4 | snapshotCount = { | ||
| 5 | frequent = 24; | ||
| 6 | hourly = 24; | ||
| 7 | daily = 30; | ||
| 8 | monthly = 12; | ||
| 9 | yearly = 5; | ||
| 10 | }; | ||
| 11 | snapshotTimerConfig = { | ||
| 12 | frequent = { OnCalendar = "*:0/5 UTC"; Persistent = true; }; | ||
| 13 | hourly = { OnCalendar = "hourly UTC"; Persistent = true; }; | ||
| 14 | daily = { OnCalendar = "daily UTC"; Persistent = true; }; | ||
| 15 | monthly = { OnCalendar = "monthly UTC"; Persistent = true; }; | ||
| 16 | yearly = { OnCalendar = "yearly UTC"; Persistent = true; }; | ||
| 17 | }; | ||
| 18 | snapshotDescr = { | ||
| 19 | frequent = "few minutes"; | ||
| 20 | hourly = "hour"; | ||
| 21 | daily = "day"; | ||
| 22 | monthly = "month"; | ||
| 23 | yearly = "year"; | ||
| 24 | }; | ||
| 25 | |||
| 26 | zfs = config.boot.zfs.package; | ||
| 27 | |||
| 28 | autosnapPackage = pkgs.zfstools.override { inherit zfs; }; | ||
| 29 | in { | ||
| 30 | config = { | 3 | config = { |
| 31 | fileSystems = { | 4 | fileSystems = { |
| 32 | "/nix" = | 5 | "/nix" = |
| @@ -69,35 +42,7 @@ in { | |||
| 69 | }; | 42 | }; |
| 70 | }; | 43 | }; |
| 71 | 44 | ||
| 72 | systemd.services = | 45 | services.zfssnap.enable = true; |
| 73 | let mkSnapService = snapName: { | ||
| 74 | name = "zfs-snapshot-${snapName}"; | ||
| 75 | value = { | ||
| 76 | description = "ZFS auto-snapshot every ${snapshotDescr.${snapName}}"; | ||
| 77 | after = [ "zfs-import.target" ]; | ||
| 78 | serviceConfig = { | ||
| 79 | Type = "oneshot"; | ||
| 80 | ExecStart = "${autosnapPackage}/bin/zfs-auto-snapshot -k -p -u ${snapName} ${toString snapshotCount.${snapName}}"; | ||
| 81 | }; | ||
| 82 | restartIfChanged = false; | ||
| 83 | |||
| 84 | preStart = '' | ||
| 85 | ${zfs}/bin/zfs set com.sun:auto-snapshot=true surtr/safe | ||
| 86 | ''; | ||
| 87 | }; | ||
| 88 | }; | ||
| 89 | in builtins.listToAttrs (map mkSnapService snapshotNames); | ||
| 90 | |||
| 91 | systemd.timers = | ||
| 92 | let mkSnapTimer = snapName: { | ||
| 93 | name = "zfs-snapshot-${snapName}"; | ||
| 94 | value = { | ||
| 95 | wantedBy = [ "timers.target" ]; | ||
| 96 | timerConfig = snapshotTimerConfig.${snapName}; | ||
| 97 | }; | ||
| 98 | }; | ||
| 99 | in builtins.listToAttrs (map mkSnapTimer snapshotNames); | ||
| 100 | |||
| 101 | services.zfs.trim.enable = false; | 46 | services.zfs.trim.enable = false; |
| 102 | services.zfs.autoScrub = { | 47 | services.zfs.autoScrub = { |
| 103 | enable = true; | 48 | enable = true; |
