nixpkgs/nixos/tests/nfs.nix
Jörg Thalheim b5c1deca8a
treewide: remove wkennington as maintainer
He prefers to contribute to his own nixpkgs fork triton.
Since he is still marked as maintainer in many packages
this leaves the wrong impression he still maintains those.
2019-01-26 10:05:32 +00:00

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import ./make-test.nix ({ pkgs, version ? 4, ... }:
let
client =
{ pkgs, ... }:
{ fileSystems = pkgs.lib.mkVMOverride
[ { mountPoint = "/data";
# nfs4 exports the export with fsid=0 as a virtual root directory
device = if (version == 4) then "server:/" else "server:/data";
fsType = "nfs";
options = [ "vers=${toString version}" ];
}
];
networking.firewall.enable = false; # FIXME: only open statd
};
in
{
name = "nfs";
meta = with pkgs.stdenv.lib.maintainers; {
maintainers = [ eelco chaoflow ];
};
nodes =
{ client1 = client;
client2 = client;
server =
{ ... }:
{ services.nfs.server.enable = true;
services.nfs.server.exports =
''
/data 192.168.1.0/255.255.255.0(rw,no_root_squash,no_subtree_check,fsid=0)
'';
services.nfs.server.createMountPoints = true;
networking.firewall.enable = false; # FIXME: figure out what ports need to be allowed
};
};
testScript =
''
$server->waitForUnit("nfs-server");
$server->succeed("systemctl start network-online.target");
$server->waitForUnit("network-online.target");
startAll;
$client1->waitForUnit("data.mount");
$client1->succeed("echo bla > /data/foo");
$server->succeed("test -e /data/foo");
$client2->waitForUnit("data.mount");
$client2->succeed("echo bla > /data/bar");
$server->succeed("test -e /data/bar");
# Test whether restarting nfs-server works correctly.
$server->succeed("systemctl restart nfs-server");
$client2->succeed("echo bla >> /data/bar"); # will take 90 seconds due to the NFS grace period
# Test whether we can get a lock.
$client2->succeed("time flock -n -s /data/lock true");
# Test locking: client 1 acquires an exclusive lock, so client 2
# should then fail to acquire a shared lock.
$client1->succeed("flock -x /data/lock -c 'touch locked; sleep 100000' &");
$client1->waitForFile("locked");
$client2->fail("flock -n -s /data/lock true");
# Test whether client 2 obtains the lock if we reset client 1.
$client2->succeed("flock -x /data/lock -c 'echo acquired; touch locked; sleep 100000' >&2 &");
$client1->crash;
$client1->start;
$client2->waitForFile("locked");
# Test whether locks survive a reboot of the server.
$client1->waitForUnit("data.mount");
$server->shutdown;
$server->start;
$client1->succeed("touch /data/xyzzy");
$client1->fail("time flock -n -s /data/lock true");
# Test whether unmounting during shutdown happens quickly.
my $t1 = time;
$client1->shutdown;
my $duration = time - $t1;
die "shutdown took too long ($duration seconds)" if $duration > 30;
'';
})