mirror of
https://github.com/NixOS/nixpkgs.git
synced 2024-11-22 21:50:55 +00:00
56 lines
2.1 KiB
Nix
56 lines
2.1 KiB
Nix
import ./make-test.nix ({ lib, ... }:
|
|
{
|
|
name = "bees";
|
|
|
|
machine = { config, pkgs, ... }: {
|
|
boot.initrd.postDeviceCommands = ''
|
|
${pkgs.btrfs-progs}/bin/mkfs.btrfs -f -L aux1 /dev/vdb
|
|
${pkgs.btrfs-progs}/bin/mkfs.btrfs -f -L aux2 /dev/vdc
|
|
'';
|
|
virtualisation.emptyDiskImages = [ 4096 4096 ];
|
|
fileSystems = lib.mkVMOverride {
|
|
"/aux1" = { # filesystem configured to be deduplicated
|
|
device = "/dev/disk/by-label/aux1";
|
|
fsType = "btrfs";
|
|
};
|
|
"/aux2" = { # filesystem not configured to be deduplicated
|
|
device = "/dev/disk/by-label/aux2";
|
|
fsType = "btrfs";
|
|
};
|
|
};
|
|
services.beesd.filesystems = {
|
|
aux1 = {
|
|
spec = "LABEL=aux1";
|
|
hashTableSizeMB = 16;
|
|
verbosity = "debug";
|
|
};
|
|
};
|
|
};
|
|
|
|
testScript =
|
|
let
|
|
withRetry = content: maxTests: sleepTime: ''
|
|
max_tests=${lib.escapeShellArg maxTests}; sleep_time=${lib.escapeShellArg sleepTime}; for ((i=0; i<max_tests; i++)); do ${content} && exit 0; sleep "$sleep_time"; done; exit 1;
|
|
'';
|
|
someContentIsShared = loc: ''[[ $(btrfs fi du -s --raw ${lib.escapeShellArg loc}/dedup-me-{1,2} | awk 'BEGIN { count=0; } NR>1 && $3 == 0 { count++ } END { print count }') -eq 0 ]]'';
|
|
in ''
|
|
# shut down the instance started by systemd at boot, so we can test our test procedure
|
|
$machine->succeed("systemctl stop beesd\@aux1.service");
|
|
|
|
$machine->succeed("dd if=/dev/urandom of=/aux1/dedup-me-1 bs=1M count=8");
|
|
$machine->succeed("cp --reflink=never /aux1/dedup-me-1 /aux1/dedup-me-2");
|
|
$machine->succeed("cp --reflink=never /aux1/* /aux2/");
|
|
$machine->succeed("sync");
|
|
$machine->fail(q(${someContentIsShared "/aux1"}));
|
|
$machine->fail(q(${someContentIsShared "/aux2"}));
|
|
$machine->succeed("systemctl start beesd\@aux1.service");
|
|
|
|
# assert that "Set Shared" column is nonzero
|
|
$machine->succeed(q(${withRetry (someContentIsShared "/aux1") 20 2}));
|
|
$machine->fail(q(${someContentIsShared "/aux2"}));
|
|
|
|
# assert that 16MB hash table size requested was honored
|
|
$machine->succeed(q([[ $(stat -c %s /aux1/.beeshome/beeshash.dat) = $(( 16 * 1024 * 1024)) ]]))
|
|
'';
|
|
})
|