Exemplo n.º 1
0
func testStorageUnlockNode(storage cluster.Storage, t *testing.T) {
	node := cluster.Node{Address: "addr-xyz"}
	defer storage.RemoveNode("addr-xyz")
	err := storage.StoreNode(node)
	assertIsNil(err, t)
	locked, err := storage.LockNodeForHealing("addr-xyz", true, 200*time.Millisecond)
	assertIsNil(err, t)
	err = storage.UnlockNode("addr-xyz")
	assertIsNil(err, t)
	locked, err = storage.LockNodeForHealing("addr-xyz", true, 200*time.Millisecond)
	assertIsNil(err, t)
	if !locked {
		t.Fatal("Expected LockNodeForHealing to return true after unlocking")
	}
}
Exemplo n.º 2
0
func testStorageExtendNodeLock(storage cluster.Storage, t *testing.T) {
	node := cluster.Node{Address: "addr-xyz"}
	defer storage.RemoveNode("addr-xyz")
	err := storage.StoreNode(node)
	assertIsNil(err, t)
	locked, err := storage.LockNodeForHealing("addr-xyz", true, 200*time.Millisecond)
	assertIsNil(err, t)
	time.Sleep(300 * time.Millisecond)
	err = storage.ExtendNodeLock("addr-xyz", 200*time.Millisecond)
	assertIsNil(err, t)
	locked, err = storage.LockNodeForHealing("addr-xyz", true, 200*time.Millisecond)
	assertIsNil(err, t)
	if locked {
		t.Fatal("Expected LockNodeForHealing to return false after extending timeout")
	}
}
Exemplo n.º 3
0
func testStorageLockNodeHealing(storage cluster.Storage, t *testing.T) {
	defer runtime.GOMAXPROCS(runtime.GOMAXPROCS(100))
	node := cluster.Node{Address: "addr-xyz"}
	defer storage.RemoveNode("addr-xyz")
	err := storage.StoreNode(node)
	assertIsNil(err, t)
	successCount := 0
	wg := sync.WaitGroup{}
	wg.Add(50)
	for i := 0; i < 50; i++ {
		go func() {
			defer wg.Done()
			locked, err := storage.LockNodeForHealing("addr-xyz", true, 5*time.Second)
			assertIsNil(err, t)
			if locked {
				successCount++
			}
		}()
	}
	wg.Wait()
	if successCount != 1 {
		t.Fatalf("Expected success in only one goroutine, got: %d", successCount)
	}
	dbNode, err := storage.RetrieveNode("addr-xyz")
	assertIsNil(err, t)
	if dbNode.Healing.LockedUntil.IsZero() {
		t.Fatal("Expected node Healing.LockedUntil not to be zero")
	}
	if !dbNode.Healing.IsFailure {
		t.Fatal("Expected node healing.isFailure to be true")
	}
	dbNode.Healing = cluster.HealingData{}
	err = storage.UpdateNode(dbNode)
	assertIsNil(err, t)
	dbNode, err = storage.RetrieveNode("addr-xyz")
	assertIsNil(err, t)
	if !dbNode.Healing.LockedUntil.IsZero() {
		t.Fatal("Expected node Healing.LockedUntil to be zero")
	}
	if dbNode.Healing.IsFailure {
		t.Fatal("Expected node Healing.IsFailure to be false")
	}
}
Exemplo n.º 4
0
func testStorageLockNodeHealingAfterTimeout(storage cluster.Storage, t *testing.T) {
	defer runtime.GOMAXPROCS(runtime.GOMAXPROCS(100))
	node := cluster.Node{Address: "addr-xyz"}
	defer storage.RemoveNode("addr-xyz")
	err := storage.StoreNode(node)
	assertIsNil(err, t)
	locked, err := storage.LockNodeForHealing("addr-xyz", true, 200*time.Millisecond)
	assertIsNil(err, t)
	locked, err = storage.LockNodeForHealing("addr-xyz", true, 200*time.Millisecond)
	assertIsNil(err, t)
	if locked {
		t.Fatal("Expected LockNodeForHealing to return false before timeout")
	}
	time.Sleep(300 * time.Millisecond)
	successCount := int32(0)
	wg := sync.WaitGroup{}
	wg.Add(50)
	for i := 0; i < 50; i++ {
		go func() {
			defer wg.Done()
			locked, err := storage.LockNodeForHealing("addr-xyz", true, 5*time.Second)
			assertIsNil(err, t)
			if locked {
				atomic.AddInt32(&successCount, 1)
			}
		}()
	}
	wg.Wait()
	if successCount != 1 {
		t.Fatalf("Expected LockNodeForHealing after timeout to lock only once, got: %d", successCount)
	}
}