public void Create(int nodeLength, TestClusterOptions options = null)
{
if (options == null)
{
options = TestClusterOptions.Default;
}
_ccm = new CcmBridge(Name, ClusterIpPrefix);
_ccm.Create(_version, options.UseSsl);
_ccm.Populate(nodeLength, options.Dc2NodeLength, options.UseVNodes);
}
/// <summary>
/// Creates a new test cluster
/// </summary>
public static ITestCluster CreateNew(int nodeLength = 1, TestClusterOptions options = null, bool startCluster = true)
{
TryRemove();
options = options ?? new TestClusterOptions();
var testCluster = new CcmCluster(CassandraVersionText, TestUtils.GetTestClusterNameBasedOnTime(), IpPrefix, DefaultKeyspaceName);
testCluster.Create(nodeLength, options);
if (startCluster)
{
testCluster.Start(options.JvmArgs);
}
return testCluster;
}
private static ITestCluster CreateNewNoRetry(int nodeLength, TestClusterOptions options, bool startCluster)
{
TryRemove();
options = options ?? new TestClusterOptions();
var testCluster = new CcmCluster(
TestUtils.GetTestClusterNameBasedOnRandomString(),
IpPrefix,
DsePath,
Executor,
DefaultKeyspaceName,
IsDse ? DseVersionString : CassandraVersionString);
testCluster.Create(nodeLength, options);
if (startCluster)
{
testCluster.Start(options.JvmArgs);
}
return(testCluster);
}
/// <summary>
/// Creates a new test cluster
/// </summary>
public static ITestCluster CreateNew(int nodeLength = 1, TestClusterOptions options = null, bool startCluster = true)
{
TryRemove();
options = options ?? new TestClusterOptions();
var testCluster = new CcmCluster(CassandraVersionText, TestUtils.GetTestClusterNameBasedOnTime(), IpPrefix, DefaultKeyspaceName);
testCluster.Create(nodeLength, options);
if (startCluster)
{
try
{
testCluster.Start(options.JvmArgs);
}
catch (TestInfrastructureException) when(nodeLength >= 3 && TestHelper.IsWin)
{
// On Windows, ccm might timeout with 3 or more nodes, give it another chance
testCluster.Start(options.JvmArgs);
}
}
LastInstance = testCluster;
return(testCluster);
}
/// <summary>
/// Creates a new test cluster
/// </summary>
public static ITestCluster CreateNew(int nodeLength = 1, TestClusterOptions options = null, bool startCluster = true)
{
const int maxAttempts = 2;
var attemptsSoFar = 0;
while (true)
{
try
{
return(CreateNewNoRetry(nodeLength, options, startCluster));
}
catch (TestInfrastructureException ex)
{
attemptsSoFar++;
if (attemptsSoFar >= maxAttempts)
{
throw;
}
Trace.WriteLine("Exception during ccm create / start. Retrying." + Environment.NewLine + ex.ToString());
}
}
}
public void TokenMap_Rebuild_With_Decommissioned_DC_Existing_RF()
{
// Create a 2dc:1node each cluster
var clusterOptions = new TestClusterOptions();
clusterOptions.Dc2NodeLength = 1;
var testCluster = TestClusterManager.CreateNew(1, clusterOptions);
testCluster.Builder = Cluster.Builder().AddContactPoint("127.0.0.1").WithLoadBalancingPolicy(new DCAwareRoundRobinPolicy("dc1"));
testCluster.Cluster = testCluster.Builder.Build();
testCluster.Session = testCluster.Cluster.Connect();
PolicyTestTools policyTestTools = new PolicyTestTools();
// Create a ks with RF = dc1:1, dc2:1
policyTestTools.CreateMultiDcSchema(testCluster.Session, 1, 1);
policyTestTools.InitPreparedStatement(testCluster, 12, false, ConsistencyLevel.All);
// Replicas now in each node in each dc
policyTestTools.Query(testCluster, 12, false);
policyTestTools.AssertQueried(testCluster.ClusterIpPrefix + "1:" + DefaultCassandraPort, 12);
policyTestTools.AssertQueried(testCluster.ClusterIpPrefix + "2:" + DefaultCassandraPort, 0);
testCluster.Cluster.Shutdown();
testCluster.DecommissionNode(1);
// dc1 no longer has any hosts
testCluster.Builder = Cluster.Builder().AddContactPoint("127.0.0.2").WithLoadBalancingPolicy(new DCAwareRoundRobinPolicy("dc2"));
testCluster.Cluster = testCluster.Builder.Build();
// Should be able to connect and rebuild token map
testCluster.Session = testCluster.Cluster.Connect(policyTestTools.DefaultKeyspace);
policyTestTools.ResetCoordinators();
policyTestTools.Query(testCluster, 12, false);
policyTestTools.AssertQueried(testCluster.ClusterIpPrefix + "1:" + DefaultCassandraPort, 0);
policyTestTools.AssertQueried(testCluster.ClusterIpPrefix + "2:" + DefaultCassandraPort, 12);
testCluster.Cluster.Shutdown();
}
