nixpkgs/nixos/tests/kubo/kubo-fuse.nix

82 lines
2.9 KiB
Nix

{ lib, ... }:
{
name = "kubo-fuse";
meta = with lib.maintainers; {
maintainers = [
mguentner
Luflosi
];
};
nodes.machine =
{ config, ... }:
{
services.kubo = {
enable = true;
autoMount = true;
};
users.users.alice = {
isNormalUser = true;
extraGroups = [ config.services.kubo.group ];
};
users.users.bob = {
isNormalUser = true;
};
};
testScript = ''
start_all()
with subtest("Create a file for testing"):
machine.succeed("echo 'fnord3' > /tmp/test.txt")
with subtest("/ipfs/ FUSE mountpoint"):
machine.fail("su bob -l -c 'ipfs add --quieter' < /tmp/test.txt")
# The FUSE mount functionality is broken as of v0.13.0. This is still the case with v0.29.0.
# See https://github.com/ipfs/kubo/issues/9044.
# Workaround: using CID Version 1 avoids that.
ipfs_hash = machine.succeed(
"echo fnord3 | su alice -l -c 'ipfs add --quieter --cid-version=1'"
).strip()
machine.succeed(f"diff /tmp/test.txt /ipfs/{ipfs_hash}")
with subtest("/mfs/ FUSE mountpoint"):
with subtest("Write the test file in three different ways"):
machine.succeed("cp /tmp/test.txt /mfs/test-1.txt")
machine.succeed("su alice -c 'ipfs files write --create /test-2.txt < /tmp/test.txt'")
machine.succeed(f"ipfs files cp /ipfs/{ipfs_hash} /test-3.txt")
with subtest("Show the files (for debugging)"):
# Different hashes for the different ways of adding the file to the MFS probably come from different linking structures of the merkle tree. Copying the file to /mfs with `cp` is even non-deterministic.
machine.succeed("ipfs files ls --long >&2")
machine.succeed("ls -l /mfs >&2")
with subtest("Check that everyone has permission to read the file (because of Mounts.FuseAllowOther)"):
machine.succeed("su alice -c 'cat /mfs/test-1.txt' | grep fnord3")
machine.succeed("su bob -c 'cat /mfs/test-1.txt' | grep fnord3")
with subtest("Check the file contents"):
machine.succeed("diff /tmp/test.txt /mfs/test-1.txt")
machine.succeed("diff /tmp/test.txt /mfs/test-2.txt")
machine.succeed("diff /tmp/test.txt /mfs/test-3.txt")
with subtest("Check the CID extended attribute"):
output = machine.succeed(
"getfattr --only-values --name=ipfs_cid /mfs/test-3.txt"
).strip()
assert ipfs_hash == output, f"Expected {ipfs_hash} but got {output}"
with subtest("Unmounting of /ipns, /ipfs and /mfs"):
# Force Kubo to crash and wait for it to restart
machine.systemctl("kill --signal=SIGKILL ipfs.service")
machine.wait_for_unit("ipfs.service", timeout = 30)
machine.succeed(f"diff /tmp/test.txt /ipfs/{ipfs_hash}")
machine.succeed("diff /tmp/test.txt /mfs/test-3.txt")
'';
}