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Merge pull request #104420 from danielfullmer/syncoid-perm-fix

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Sandro 2021-05-22 17:57:56 +02:00 committed by GitHub
commit 7be85b5090
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2 changed files with 31 additions and 23 deletions
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16
nixos/modules/services/backup/syncoid.nix
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@ -197,14 +197,14 @@ in {
])) (attrValues cfg.commands);
after = [ "zfs.target" ];
serviceConfig = {
ExecStartPre = (map (pool: lib.escapeShellArgs [
"+/run/booted-system/sw/bin/zfs" "allow"
cfg.user "hold,send" pool
]) (getPools "source")) ++
(map (pool: lib.escapeShellArgs [
"+/run/booted-system/sw/bin/zfs" "allow"
cfg.user "create,mount,receive,rollback" pool
]) (getPools "target"));
ExecStartPre = let
allowCmd = permissions: pool: lib.escapeShellArgs [
"+/run/booted-system/sw/bin/zfs" "allow"
cfg.user (concatStringsSep "," permissions) pool
];
in
(map (allowCmd [ "hold" "send" "snapshot" "destroy" ]) (getPools "source")) ++
(map (allowCmd [ "create" "mount" "receive" "rollback" ]) (getPools "target"));
User = cfg.user;
Group = cfg.group;
};

38
nixos/tests/sanoid.nix
View File

@ -33,14 +33,22 @@ in {
autosnap = true;
};
datasets."pool/test".useTemplate = [ "test" ];
datasets."pool/sanoid".useTemplate = [ "test" ];
extraArgs = [ "--verbose" ];
};
services.syncoid = {
enable = true;
sshKey = "/var/lib/syncoid/id_ecdsa";
commonArgs = [ "--no-sync-snap" ];
commands."pool/test".target = "root@target:pool/test";
commands = {
# Sync snapshot taken by sanoid
"pool/sanoid" = {
target = "root@target:pool/sanoid";
extraArgs = [ "--no-sync-snap" ];
};
# Take snapshot and sync
"pool/syncoid".target = "root@target:pool/syncoid";
};
};
};
target = { ... }: {
@ -54,18 +62,19 @@ in {
testScript = ''
source.succeed(
"mkdir /tmp/mnt",
"mkdir /mnt",
"parted --script /dev/vdb -- mklabel msdos mkpart primary 1024M -1s",
"udevadm settle",
"zpool create pool /dev/vdb1",
"zfs create -o mountpoint=legacy pool/test",
"mount -t zfs pool/test /tmp/mnt",
"zpool create pool -R /mnt /dev/vdb1",
"zfs create pool/sanoid",
"zfs create pool/syncoid",
"udevadm settle",
)
target.succeed(
"mkdir /mnt",
"parted --script /dev/vdb -- mklabel msdos mkpart primary 1024M -1s",
"udevadm settle",
"zpool create pool /dev/vdb1",
"zpool create pool -R /mnt /dev/vdb1",
"udevadm settle",
)
@ -76,16 +85,15 @@ in {
"chown -R syncoid:syncoid /var/lib/syncoid/",
)
source.succeed("touch /tmp/mnt/test.txt")
# Take snapshot with sanoid
source.succeed("touch /mnt/pool/sanoid/test.txt")
source.systemctl("start --wait sanoid.service")
# Sync snapshots
target.wait_for_open_port(22)
source.succeed("touch /mnt/pool/syncoid/test.txt")
source.systemctl("start --wait syncoid.service")
target.succeed(
"mkdir /tmp/mnt",
"zfs set mountpoint=legacy pool/test",
"mount -t zfs pool/test /tmp/mnt",
)
target.succeed("cat /tmp/mnt/test.txt")
target.succeed("cat /mnt/pool/sanoid/test.txt")
target.succeed("cat /mnt/pool/syncoid/test.txt")
'';
})