111 lines
3.5 KiB
Nix
111 lines
3.5 KiB
Nix
|
import ./make-test-python.nix ({ pkgs, ... }:
|
||
|
|
|
||
|
|
let
|
||
|
|
privateKey = ''
|
||
|
|
-----BEGIN OPENSSH PRIVATE KEY-----
|
||
|
|
b3BlbnNzaC1rZXktdjEAAAAABG5vbmUAAAAEbm9uZQAAAAAAAAABAAAAMwAAAAtzc2gtZW
|
||
|
|
QyNTUxOQAAACBx8UB04Q6Q/fwDFjakHq904PYFzG9pU2TJ9KXpaPMcrwAAAJB+cF5HfnBe
|
||
|
|
RwAAAAtzc2gtZWQyNTUxOQAAACBx8UB04Q6Q/fwDFjakHq904PYFzG9pU2TJ9KXpaPMcrw
|
||
|
|
AAAEBN75NsJZSpt63faCuaD75Unko0JjlSDxMhYHAPJk2/xXHxQHThDpD9/AMWNqQer3Tg
|
||
|
|
9gXMb2lTZMn0pelo8xyvAAAADXJzY2h1ZXR6QGt1cnQ=
|
||
|
|
-----END OPENSSH PRIVATE KEY-----
|
||
|
|
'';
|
||
|
|
publicKey = ''
|
||
|
|
ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIHHxQHThDpD9/AMWNqQer3Tg9gXMb2lTZMn0pelo8xyv
|
||
|
|
'';
|
||
|
|
in
|
||
|
|
{
|
||
|
|
name = "btrbk";
|
||
|
|
meta = with pkgs.lib; {
|
||
|
|
maintainers = with maintainers; [ symphorien ];
|
||
|
|
};
|
||
|
|
|
||
|
|
nodes = {
|
||
|
|
archive = { ... }: {
|
||
|
|
environment.systemPackages = with pkgs; [ btrfs-progs ];
|
||
|
|
# note: this makes the privateKey world readable.
|
||
|
|
# don't do it with real ssh keys.
|
||
|
|
environment.etc."btrbk_key".text = privateKey;
|
||
|
|
services.btrbk = {
|
||
|
|
extraPackages = [ pkgs.lz4 ];
|
||
|
|
instances = {
|
||
|
|
remote = {
|
||
|
|
onCalendar = "minutely";
|
||
|
|
settings = {
|
||
|
|
ssh_identity = "/etc/btrbk_key";
|
||
|
|
ssh_user = "btrbk";
|
||
|
|
stream_compress = "lz4";
|
||
|
|
volume = {
|
||
|
|
"ssh://main/mnt" = {
|
||
|
|
target = "/mnt";
|
||
|
|
snapshot_dir = "btrbk/remote";
|
||
|
|
subvolume = "to_backup";
|
||
|
|
};
|
||
|
|
};
|
||
|
|
};
|
||
|
|
};
|
||
|
|
};
|
||
|
|
};
|
||
|
|
};
|
||
|
|
|
||
|
|
main = { ... }: {
|
||
|
|
environment.systemPackages = with pkgs; [ btrfs-progs ];
|
||
|
|
services.openssh = {
|
||
|
|
enable = true;
|
||
|
|
passwordAuthentication = false;
|
||
|
|
challengeResponseAuthentication = false;
|
||
|
|
};
|
||
|
|
services.btrbk = {
|
||
|
|
extraPackages = [ pkgs.lz4 ];
|
||
|
|
sshAccess = [
|
||
|
|
{
|
||
|
|
key = publicKey;
|
||
|
|
roles = [ "source" "send" "info" "delete" ];
|
||
|
|
}
|
||
|
|
];
|
||
|
|
instances = {
|
||
|
|
local = {
|
||
|
|
onCalendar = "minutely";
|
||
|
|
settings = {
|
||
|
|
volume = {
|
||
|
|
"/mnt" = {
|
||
|
|
snapshot_dir = "btrbk/local";
|
||
|
|
subvolume = "to_backup";
|
||
|
|
};
|
||
|
|
};
|
||
|
|
};
|
||
|
|
};
|
||
|
|
};
|
||
|
|
};
|
||
|
|
};
|
||
|
|
};
|
||
|
|
|
||
|
|
testScript = ''
|
||
|
|
start_all()
|
||
|
|
|
||
|
|
# create btrfs partition at /mnt
|
||
|
|
for machine in (archive, main):
|
||
|
|
machine.succeed("dd if=/dev/zero of=/data_fs bs=120M count=1")
|
||
|
|
machine.succeed("mkfs.btrfs /data_fs")
|
||
|
|
machine.succeed("mkdir /mnt")
|
||
|
|
machine.succeed("mount /data_fs /mnt")
|
||
|
|
|
||
|
|
# what to backup and where
|
||
|
|
main.succeed("btrfs subvolume create /mnt/to_backup")
|
||
|
|
main.succeed("mkdir -p /mnt/btrbk/{local,remote}")
|
||
|
|
|
||
|
|
# check that local snapshots work
|
||
|
|
with subtest("local"):
|
||
|
|
main.succeed("echo foo > /mnt/to_backup/bar")
|
||
|
|
main.wait_until_succeeds("cat /mnt/btrbk/local/*/bar | grep foo")
|
||
|
|
main.succeed("echo bar > /mnt/to_backup/bar")
|
||
|
|
main.succeed("cat /mnt/btrbk/local/*/bar | grep foo")
|
||
|
|
|
||
|
|
# check that btrfs send/receive works and ssh access works
|
||
|
|
with subtest("remote"):
|
||
|
|
archive.wait_until_succeeds("cat /mnt/*/bar | grep bar")
|
||
|
|
main.succeed("echo baz > /mnt/to_backup/bar")
|
||
|
|
archive.succeed("cat /mnt/*/bar | grep bar")
|
||
|
|
'';
|
||
|
|
})
|