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70 lines
1.9 KiB
Nix
70 lines
1.9 KiB
Nix
{ pkgs, ... }:
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let
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client =
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{ config, pkgs, ... }:
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{ fileSystems = pkgs.lib.mkOverride 50 {}
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[ { mountPoint = "/data";
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device = "server:/data";
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fsType = "nfs";
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options = "bootwait";
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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.nfsKernel.server.enable = true;
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services.nfsKernel.server.exports =
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''
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/data 192.168.1.0/255.255.255.0(rw,no_root_squash)
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'';
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services.nfsKernel.server.createMountPoints = true;
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};
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};
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testScript =
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''
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startAll;
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$server->waitForJob("nfs-kernel-nfsd");
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$server->waitForJob("nfs-kernel-mountd");
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$server->waitForJob("nfs-kernel-statd");
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$client1->waitForJob("tty1"); # depends on filesystems
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$client1->succeed("echo bla > /data/foo");
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$server->succeed("test -e /data/foo");
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$client2->waitForJob("tty1"); # depends on filesystems
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$client2->succeed("echo bla > /data/bar");
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$server->succeed("test -e /data/bar");
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# Test whether we can get a lock. !!! This step takes about 90
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# seconds because the NFS server waits that long after booting
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# before accepting new locks.
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$client2->succeed("time flock -n -s /data/lock true >&2");
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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 -s /data/lock -c 'echo acquired; touch locked' >&2 &");
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$client1->crash;
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$client1->start;
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$client2->waitForFile("locked");
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'';
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}
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