diff options
Diffstat (limited to 'hosts')
| -rw-r--r-- | hosts/vidhar/zfs.nix | 62 |
1 files changed, 2 insertions, 60 deletions
diff --git a/hosts/vidhar/zfs.nix b/hosts/vidhar/zfs.nix index f5a0383a..bee4e88a 100644 --- a/hosts/vidhar/zfs.nix +++ b/hosts/vidhar/zfs.nix | |||
| @@ -1,32 +1,5 @@ | |||
| 1 | { pkgs, lib, config, ... }: | 1 | { pkgs, lib, 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 | "/boot" = | 5 | "/boot" = |
| @@ -136,38 +109,7 @@ in { | |||
| 136 | echo "=== ZPOOL IMPORT COMPLETE ===" | 109 | echo "=== ZPOOL IMPORT COMPLETE ===" |
| 137 | ''; | 110 | ''; |
| 138 | 111 | ||
| 139 | systemd.services = | 112 | services.zfssnap.enable = true; |
| 140 | let mkSnapService = snapName: { | ||
| 141 | name = "zfs-snapshot-${snapName}"; | ||
| 142 | value = { | ||
| 143 | description = "ZFS auto-snapshot every ${snapshotDescr.${snapName}}"; | ||
| 144 | after = [ "zfs-import.target" ]; | ||
| 145 | serviceConfig = { | ||
| 146 | Type = "oneshot"; | ||
| 147 | ExecStart = "${autosnapPackage}/bin/zfs-auto-snapshot -k -p -u ${snapName} ${toString snapshotCount.${snapName}}"; | ||
| 148 | }; | ||
| 149 | restartIfChanged = false; | ||
| 150 | |||
| 151 | preStart = '' | ||
| 152 | ${zfs}/bin/zfs set com.sun:auto-snapshot=true hdd-raid6/safe | ||
| 153 | ${zfs}/bin/zfs set com.sun:auto-snapshot=false hdd-raid6/safe/home/mherold/eos/base | ||
| 154 | ${zfs}/bin/zfs set com.sun:auto-snapshot=true ssd-raid1/safe | ||
| 155 | ${zfs}/bin/zfs set com.sun:auto-snapshot=true boot | ||
| 156 | ''; | ||
| 157 | }; | ||
| 158 | }; | ||
| 159 | in builtins.listToAttrs (map mkSnapService snapshotNames); | ||
| 160 | |||
| 161 | systemd.timers = | ||
| 162 | let mkSnapTimer = snapName: { | ||
| 163 | name = "zfs-snapshot-${snapName}"; | ||
| 164 | value = { | ||
| 165 | wantedBy = [ "timers.target" ]; | ||
| 166 | timerConfig = snapshotTimerConfig.${snapName}; | ||
| 167 | }; | ||
| 168 | }; | ||
| 169 | in builtins.listToAttrs (map mkSnapTimer snapshotNames); | ||
| 170 | |||
| 171 | services.zfs.trim.enable = false; | 113 | services.zfs.trim.enable = false; |
| 172 | services.zfs.autoScrub = { | 114 | services.zfs.autoScrub = { |
| 173 | enable = true; | 115 | enable = true; |
