dotfiles/modules/storage.perso.sys.nix

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# Personal configuration on storage solution
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{
pkgs,
config,
lib,
...
}: {
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environment.systemPackages = [
pkgs.s3fs
pkgs.cifs-utils
];
# Sadly, autofs uses systemd, so we can't put it in home-manager
# HACK: need to store secret somewhere so that root can access this
# because autofs may run as root for now, we enforce putting the secret in this monorepo
# TODO: make this configuration nix-less to show that it's 100% data
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services.autofs = let
# confToBackendArg {lol="what"; empty=""; name_only=null;} -> "lol=what,empty=,name_only"
# TODO: change null -> true/false. This allows overriding & better self-documentation
confToBackendArg = conf: (lib.concatStringsSep ","
(lib.mapAttrsToList (name: value: "${name}${lib.optionalString (value != null) "=${value}"}") conf));
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# mount_dest: path ("wow")
# backend_args: nix attrs representing the arguments to be passed to s3fs
# ({"-fstype" = "fuse"; "use_cache" = "/tmp";})
# bucket: bucket name (hungtr-hot)
# NOTE: s3 custom provider will be provided inside
# backend_args, so just put the bucket name here
#
#-> "${mount_dest} ${formatted_args} ${s3fs-bin}#${bucket}"
autofs-s3fs_entry = {
mount_dest,
backend_args ? {"-fstype" = "fuse";},
bucket,
} @ inputs: let
s3fs-exec = "${pkgs.s3fs}/bin/s3fs";
in "${mount_dest} ${confToBackendArg backend_args} :${s3fs-exec}\#${bucket}";
personalStorage = [
(autofs-s3fs_entry {
mount_dest = "garden";
backend_args = {
"-fstype" = "fuse";
use_cache = "/tmp";
del_cache = null;
allow_other = null;
url = "https://v5h5.la11.idrivee2-14.com";
passwd_file = config.age.secrets."s3fs.digital-garden".path;
dbglevel = "debug"; # enable this for better debugging info in journalctl
uid = "1000"; # default user
gid = "100"; # users
umask = "003"; # others read only, fully shared for users group
};
bucket = "digital-garden";
})
(
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let
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args = {
"-fstype" = "cifs";
credentials = config.age.secrets._nhitrl_cred.path;
user = null;
uid = "1001";
gid = "100";
dir_mode = "0777";
file_mode = "0777";
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};
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in "felia_d ${confToBackendArg args} ://felia.coati-celsius.ts.net/d"
)
(
let
args = {
"-fstype" = "cifs";
credentials = config.age.secrets._nhitrl_cred.path;
user = null;
uid = "1001";
gid = "100";
dir_mode = "0777";
file_mode = "0777";
};
in "felia_f ${confToBackendArg args} ://felia.coati-celsius.ts.net/f"
)
];
persoConf = pkgs.writeText "auto.personal" (builtins.concatStringsSep "\n" personalStorage);
in {
enable = true;
# Creates /perso directory with every subdirectory declared by ${personalStorage}
# as of now (might be stale), /perso/hot is the only mount accessible
# that is also managed by s3fs
autoMaster = ''
/perso file:${persoConf}
'';
timeout = 30; # default: 600, 600 seconds (10 mins) of inactivity => unmount
# debug = true; # writes to more to journalctl
};
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}