public CCMBridge build() {
CCMBridge ccm = new CCMBridge();
ccm.execute(buildCreateCommand());
ccm.updateConfig(cassandraConfiguration);
if (start) ccm.start();
return ccm;
}
public void discard() {
if (cluster != null) cluster.close();
if (cassandraCluster == null) {
logger.error("No cluster to discard");
} else if (erroredOut) {
cassandraCluster.stop();
logger.info("Error during tests, kept C* logs in " + cassandraCluster.ccmDir);
} else {
cassandraCluster.remove();
cassandraCluster.ccmDir.delete();
}
}
/**
* Waits for a host to be down by pinging the TCP socket directly, without using the Java driver's
* API.
*/
public void waitForDown(int node) {
try {
InetAddress address = InetAddress.getByName(ipOfNode(node));
CCMBridge.busyWaitForPort(address, 9042, false);
} catch (UnknownHostException e) {
Assert.fail("Unknown host " + ipOfNode(node) + "( node " + node + " of CCMBridge)");
}
}
private static void busyWaitForPort(
InetAddress address, int port, boolean expectedConnectionState) {
long maxAcceptableWaitTime = TimeUnit.SECONDS.toMillis(10);
long waitQuantum = TimeUnit.MILLISECONDS.toMillis(500);
long waitTimeSoFar = 0;
boolean connectionState = !expectedConnectionState;
while (connectionState != expectedConnectionState && waitTimeSoFar < maxAcceptableWaitTime) {
connectionState = CCMBridge.pingPort(address, port);
try {
Thread.sleep(waitQuantum);
waitTimeSoFar += waitQuantum;
} catch (InterruptedException e) {
throw new RuntimeException("Interrupted while pinging " + address + ":" + port, e);
}
}
}
public static CCMCluster create(int nbNodesDC1, int nbNodesDC2, Cluster.Builder builder) {
if (nbNodesDC1 == 0) throw new IllegalArgumentException();
CCMBridge ccm = CCMBridge.builder("test").withNodes(nbNodesDC1, nbNodesDC2).build();
return new CCMCluster(ccm, builder, nbNodesDC1 + nbNodesDC2);
}