nixos/nfs: convert test to python
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@ -1,4 +1,4 @@
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import ./make-test.nix ({ pkgs, version ? 4, ... }:
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import ./make-test-python.nix ({ pkgs, version ? 4, ... }:
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let
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@ -41,50 +41,54 @@ in
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testScript =
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''
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$server->waitForUnit("nfs-server");
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$server->succeed("systemctl start network-online.target");
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$server->waitForUnit("network-online.target");
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import time
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startAll;
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server.wait_for_unit("nfs-server")
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server.succeed("systemctl start network-online.target")
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server.wait_for_unit("network-online.target")
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$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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start_all()
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$client2->waitForUnit("data.mount");
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$client2->succeed("echo bla > /data/bar");
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$server->succeed("test -e /data/bar");
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client1.wait_for_unit("data.mount")
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client1.succeed("echo bla > /data/foo")
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server.succeed("test -e /data/foo")
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# Test whether restarting ‘nfs-server’ works correctly.
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$server->succeed("systemctl restart nfs-server");
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$client2->succeed("echo bla >> /data/bar"); # will take 90 seconds due to the NFS grace period
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client2.wait_for_unit("data.mount")
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client2.succeed("echo bla > /data/bar")
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server.succeed("test -e /data/bar")
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# Test whether we can get a lock.
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$client2->succeed("time flock -n -s /data/lock true");
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with subtest("restarting 'nfs-server' works correctly"):
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server.succeed("systemctl restart nfs-server")
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# will take 90 seconds due to the NFS grace period
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client2.succeed("echo bla >> /data/bar")
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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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$client2->fail("flock -n -s /data/lock true");
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with subtest("can get a lock"):
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client2.succeed("time flock -n -s /data/lock true")
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# Test whether client 2 obtains the lock if we reset client 1.
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$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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$client2->waitForFile("locked");
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with subtest("client 2 fails to acquire lock held by client 1"):
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client1.succeed("flock -x /data/lock -c 'touch locked; sleep 100000' &")
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client1.wait_for_file("locked")
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client2.fail("flock -n -s /data/lock true")
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# Test whether locks survive a reboot of the server.
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$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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with subtest("client 2 obtains lock after resetting client 1"):
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client2.succeed(
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"flock -x /data/lock -c 'echo acquired; touch locked; sleep 100000' >&2 &"
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)
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client1.crash()
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client1.start()
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client2.wait_for_file("locked")
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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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with subtest("locks survive server reboot"):
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client1.wait_for_unit("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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with subtest("unmounting during shutdown happens quickly"):
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t1 = time.monotonic()
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client1.shutdown()
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duration = time.monotonic() - t1
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assert duration < 30, f"shutdown took too long ({duration} seconds)"
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'';
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})
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