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Basic configuration for new servers and start modularizing config

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Charlotte Van Petegem 2020-12-01 19:23:28 +01:00
parent 82bb5b401c
commit ca93d09059
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GPG key ID: 019E764B7184435A
38 changed files with 622 additions and 316 deletions
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78
modules/zfs.nix
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@ -31,27 +31,73 @@ in
{ path = ".cache/nix-index"; type = "cache"; }
];
};
backups = lib.mkOption {
default = [ ];
example = [{
path = "rpool/safe/data";
remotePath = "zdata/recv/<hostname>/safe/data";
fast = false;
location = "lasting-integrity.vanpetegem.me";
}];
};
};
config.boot = lib.mkIf config.chvp.zfs.enable {
supportedFilesystems = [ "zfs" ];
zfs.requestEncryptionCredentials = config.chvp.zfs.encrypted;
initrd.postDeviceCommands = lib.mkAfter ''
zfs rollback -r rpool/local/root@blank
'';
};
config = lib.mkIf config.chvp.zfs.enable {
chvp.dataPrefix = lib.mkDefault "/data";
chvp.cachePrefix = lib.mkDefault "/cache";
config.services.zfs.autoScrub.enable = config.chvp.zfs.enable;
config.services.zfs.trim.enable = config.chvp.zfs.enable;
boot = {
supportedFilesystems = [ "zfs" ];
zfs.requestEncryptionCredentials = config.chvp.zfs.encrypted;
initrd.postDeviceCommands = lib.mkAfter ''
zfs rollback -r rpool/local/root@blank
'';
};
config.systemd.tmpfiles.rules = lib.mkIf config.chvp.zfs.enable (
[ "d /home/charlotte 0700 charlotte users - -" ] ++
(map (location: "L ${location.path} - - - - /${location.type}${location.path}") config.chvp.zfs.systemLinks)
);
services = {
znapzend = {
enable = config.chvp.zfs.backups != [ ];
pure = true;
autoCreation = true;
zetup = builtins.listToAttrs
(map
(elem: {
name = elem.path;
value = {
enable = true;
plan =
if elem.fast then
"1hour=>15min,1day=>1hour,1week=>1day,4week=>1week" else
"1day=>1hour,1week=>1day,4week=>1week,1year=>1month,10year=>6month";
timestampFormat = "%Y-%m-%d--%H%M%SZ";
destinations."${elem.location}" = {
plan =
if elem.fast then
"1day=>1hour,1week=>1day,4week=>1week,1year=>4week,10year=>1year" else
"1day=>1hour,1week=>1day,4week=>1week,1year=>1month,10year=>6month";
host = "${elem.location}";
dataset = elem.remotePath;
};
};
})
config.chvp.zfs.backups);
config.home-manager.users.charlotte = { lib, ... }: {
home.activation = lib.mkIf config.chvp.zfs.enable {
linkCommands = lib.hm.dag.entryAfter [ "writeBoundary" ] (lib.concatStringsSep "\n" linkCommands);
};
zfs = {
autoScrub.enable = true;
trim.enable = true;
};
};
systemd.tmpfiles.rules = (
[ "d /home/charlotte 0700 charlotte users - -" ] ++
(map (location: "L ${location.path} - - - - /${location.type}${location.path}") config.chvp.zfs.systemLinks)
);
home-manager.users.charlotte = { lib, ... }: {
home.activation = {
linkCommands = lib.hm.dag.entryAfter [ "writeBoundary" ] (lib.concatStringsSep "\n" linkCommands);
};
};
};
}