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adc1b38b85
Now that overriding fileSystems in qemu-vm.nix works again, it's important that the VM tests that add additional file systems use the same override priority. Instead of using the same magic constant everywhere, they can now use mkVMOverride. http://hydra.nixos.org/build/6695561
86 lines
2.4 KiB
Nix
86 lines
2.4 KiB
Nix
{ version }:
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{ pkgs, ... }:
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let
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client =
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{ config, pkgs, ... }:
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{ fileSystems = pkgs.lib.mkVMOverride
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[ { mountPoint = "/data";
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device = "server:${if version == 4 then "/" else "/data"}";
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fsType = "nfs";
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options = "vers=${toString version}";
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}
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];
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};
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in
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{
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nodes =
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{ client1 = client;
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client2 = client;
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server =
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{ config, pkgs, ... }:
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{ services.nfs.server.enable = true;
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services.nfs.server.exports =
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''
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/data 192.168.1.0/255.255.255.0(rw,no_root_squash,no_subtree_check,fsid=0)
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'';
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services.nfs.server.createMountPoints = true;
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};
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};
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testScript =
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''
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$server->waitForUnit("nfsd");
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$server->waitForUnit("network.target");
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startAll;
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$client1->waitForUnit("data.mount");
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$client1->succeed("echo bla > /data/foo");
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$server->succeed("test -e /data/foo");
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$client2->waitForUnit("data.mount");
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$client2->succeed("echo bla > /data/bar");
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$server->succeed("test -e /data/bar");
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# Test whether restarting ‘nfsd’ works correctly.
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$server->succeed("systemctl restart nfsd");
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$client2->succeed("echo bla >> /data/bar"); # will take 90 seconds due to the NFS grace period
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# Test whether we can get a lock.
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$client2->succeed("time flock -n -s /data/lock true");
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# Test locking: client 1 acquires an exclusive lock, so client 2
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# should then fail to acquire a shared lock.
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$client1->succeed("flock -x /data/lock -c 'touch locked; sleep 100000' &");
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$client1->waitForFile("locked");
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$client2->fail("flock -n -s /data/lock true");
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# Test whether client 2 obtains the lock if we reset client 1.
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$client2->succeed("flock -x /data/lock -c 'echo acquired; touch locked; sleep 100000' >&2 &");
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$client1->crash;
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$client1->start;
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$client2->waitForFile("locked");
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# Test whether locks survive a reboot of the server.
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$client1->waitForUnit("data.mount");
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$server->shutdown;
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$server->start;
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$client1->succeed("touch /data/xyzzy");
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$client1->fail("time flock -n -s /data/lock true");
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# Test whether unmounting during shutdown happens quickly.
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my $t1 = time;
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$client1->shutdown;
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my $duration = time - $t1;
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die "shutdown took too long ($duration seconds)" if $duration > 30;
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'';
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}
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