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Create paste directories in /ceph/p

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Ensure that all hut users have a paste directory in /ceph/p owned by
themselves. We need to wait for the ceph mount point to create them, so
we use a systemd service that waits for the remote-fs.target.

Reviewed-by: Aleix Boné <abonerib@bsc.es>
This commit is contained in:
Rodrigo Arias 2024-09-20 11:19:30 +02:00
parent a34e3752a2
commit 36592c44eb
1 changed files with 20 additions and 1 deletions
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21
m/hut/p.nix
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@ -1,4 +1,4 @@
{ pkgs, ... }:
{ pkgs, lib, config, ... }:
let
p = pkgs.writeShellScriptBin "p" ''
set -e
@ -21,4 +21,23 @@ let
in
{
environment.systemPackages = with pkgs; [ p ];
# Make sure we have a directory per user. We cannot use the nice
# systemd-tmpfiles-setup.service service because this is a remote FS, and it
# may not be mounted when it runs.
systemd.services.create-paste-dirs = let
# Take only normal users in hut
users = lib.filterAttrs (_: v: v.isNormalUser) config.users.users;
commands = lib.concatLists (lib.mapAttrsToList
(_: user: [
"install -d -o ${user.name} -g ${user.group} -m 0755 /ceph/p/${user.name}"
]) users);
script = pkgs.writeShellScript "create-paste-dirs.sh" (lib.concatLines commands);
in {
enable = true;
wants = [ "remote-fs.target" ];
after = [ "remote-fs.target" ];
wantedBy = [ "multi-user.target" ];
serviceConfig.ExecStart = script;
};
}