diff options
Diffstat (limited to 'nixos/tests/nfs.nix')
-rw-r--r-- | nixos/tests/nfs.nix | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/nixos/tests/nfs.nix b/nixos/tests/nfs.nix new file mode 100644 index 000000000000..51abf57e1b75 --- /dev/null +++ b/nixos/tests/nfs.nix @@ -0,0 +1,85 @@ +{ version }: + +{ pkgs, ... }: + +let + + client = + { config, pkgs, ... }: + { fileSystems = pkgs.lib.mkVMOverride + [ { mountPoint = "/data"; + device = "server:${if version == 4 then "/" else "/data"}"; + fsType = "nfs"; + options = "vers=${toString version}"; + } + ]; + }; + +in + +{ + + nodes = + { client1 = client; + client2 = client; + + server = + { config, pkgs, ... }: + { 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; + }; + }; + + testScript = + '' + $server->waitForUnit("nfsd"); + $server->waitForUnit("network.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 ‘nfsd’ works correctly. + $server->succeed("systemctl restart nfsd"); + $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; + ''; + +} |