JakeHillion/nixos
1
0
Fork 0
Code Issues 10 Pull Requests 6 Actions Packages Projects Releases Wiki Activity

boron: move postgresqlBackup to disk to reduce ram pressure
Some checks failed
flake / flake (push) Failing after 21s
Details

Browse Source
This commit is contained in:
Jake Hillion 2024-08-09 23:08:35 +01:00
parent 41d5f0cc53
commit 133d4b9d51
4 changed files with 50 additions and 17 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
hosts/boron.cx.ts.hillion.co.uk/default.nix
View File

@ -41,7 +41,14 @@
fileSystems."/nix".options = [ "compress=zstd" ];
## Impermanence
custom.impermanence.enable = true;
custom.impermanence = {
enable = true;
cache = "/cache/tmp";
};
boot.initrd.postDeviceCommands = lib.mkAfter ''
btrfs subvolume delete /cache/tmp
btrfs subvolume snapshot /cache/empty_snapshot /cache/tmp
'';
## Custom Services
custom = {

7
hosts/boron.cx.ts.hillion.co.uk/hardware-configuration.nix
View File

@ -35,6 +35,13 @@
options = [ "subvol=data" ];
};
fileSystems."/cache" =
{
device = "/dev/disk/by-uuid/9aebe351-156a-4aa0-9a97-f09b01ac23ad";
fsType = "btrfs";
options = [ "subvol=cache" ];
};
fileSystems."/nix" =
{
device = "/dev/disk/by-uuid/9aebe351-156a-4aa0-9a97-f09b01ac23ad";

7
hosts/sodium.pop.ts.hillion.co.uk/default.nix
View File

@ -22,12 +22,13 @@
fileSystems."/nix".options = [ "compress=zstd" ];
## Impermanence
custom.impermanence.enable = true;
custom.impermanence = {
enable = true;
cache = "/cache/tmp";
};
boot.initrd.postDeviceCommands = lib.mkAfter ''
btrfs subvolume delete /cache/tmp
btrfs subvolume snapshot /cache/empty_snapshot /cache/tmp
chmod 0777 /cache/tmp
chmod +t /cache/tmp
'';
## CA server

44
modules/impermanence.nix
View File

@ -11,6 +11,13 @@ in
type = lib.types.str;
default = "/data";
};
cache = {
enable = lib.mkEnableOption "impermanence.cache";
path = lib.mkOption {
type = lib.types.str;
default = "/cache";
};
};
users = lib.mkOption {
type = with lib.types; listOf str;
@ -39,20 +46,31 @@ in
gitea.stateDir = "${cfg.base}/system/var/lib/gitea";
};
environment.persistence."${cfg.base}/system" = {
hideMounts = true;
environment.persistence = lib.mkMerge [
{
"${cfg.base}/system" = {
hideMounts = true;
directories = [
"/etc/nixos"
] ++ (lib.lists.optional config.services.tailscale.enable "/var/lib/tailscale") ++
(lib.lists.optional config.services.zigbee2mqtt.enable config.services.zigbee2mqtt.dataDir) ++
(lib.lists.optional config.services.postgresql.enable config.services.postgresql.dataDir) ++
(lib.lists.optional config.hardware.bluetooth.enable "/var/lib/bluetooth") ++
(lib.lists.optional config.custom.services.unifi.enable "/var/lib/unifi") ++
(lib.lists.optional (config.virtualisation.oci-containers.containers != { }) "/var/lib/containers") ++
(lib.lists.optional config.services.tang.enable "/var/lib/private/tang") ++
(lib.lists.optional config.services.step-ca.enable "/var/lib/step-ca/db");
};
directories = [
"/etc/nixos"
] ++ (lib.lists.optional config.services.tailscale.enable "/var/lib/tailscale") ++
(lib.lists.optional config.services.zigbee2mqtt.enable config.services.zigbee2mqtt.dataDir) ++
(lib.lists.optional config.services.postgresql.enable config.services.postgresql.dataDir) ++
(lib.lists.optional config.hardware.bluetooth.enable "/var/lib/bluetooth") ++
(lib.lists.optional config.custom.services.unifi.enable "/var/lib/unifi") ++
(lib.lists.optional (config.virtualisation.oci-containers.containers != { }) "/var/lib/containers") ++
(lib.lists.optional config.services.tang.enable "/var/lib/private/tang") ++
(lib.lists.optional config.services.step-ca.enable "/var/lib/step-ca/db");
};
}
(lib.mkIf cfg.cache.enable {
"${cfg.cache.path}/system" = {
hideMounts = true;
directories = (lib.lists.optional config.postgresqlBackup.enable config.services.postgresqlBackup.location);
};
})
];
home-manager.users =
let