87 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			Nix
		
	
	
	
	
	
			
		
		
	
	
			87 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			Nix
		
	
	
	
	
	
| import ./make-test.nix ({ version, ... }:
 | ||
| 
 | ||
| let
 | ||
| 
 | ||
|   client =
 | ||
|     { config, pkgs, ... }:
 | ||
|     { fileSystems = pkgs.lib.mkVMOverride
 | ||
|         [ { mountPoint = "/data";
 | ||
|             device = "server:${if version == 4 then "/" else "/data"}";
 | ||
|             fsType = "nfs";
 | ||
|             options = "vers=${toString version}";
 | ||
|           }
 | ||
|         ];
 | ||
|       networking.firewall.enable = false; # FIXME: only open statd
 | ||
|     };
 | ||
| 
 | ||
| in
 | ||
| 
 | ||
| {
 | ||
|   name = "nfs";
 | ||
| 
 | ||
|   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;
 | ||
|           networking.firewall.enable = false; # FIXME: figure out what ports need to be allowed
 | ||
|         };
 | ||
|     };
 | ||
| 
 | ||
|   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;
 | ||
|     '';
 | ||
| 
 | ||
| })
 | 
