private boolean isInstanceSetup() {
if (_instanceType == InstanceType.PARTICIPANT
|| _instanceType == InstanceType.CONTROLLER_PARTICIPANT) {
boolean isValid =
_store.exists(
PropertyPathConfig.getPath(
PropertyType.CONFIGS,
_clusterName,
ConfigScopeProperty.PARTICIPANT.toString(),
_instanceName))
&& _store.exists(
PropertyPathConfig.getPath(PropertyType.MESSAGES, _clusterName, _instanceName))
&& _store.exists(
PropertyPathConfig.getPath(
PropertyType.CURRENTSTATES, _clusterName, _instanceName))
&& _store.exists(
PropertyPathConfig.getPath(
PropertyType.STATUSUPDATES, _clusterName, _instanceName))
&& _store.exists(
PropertyPathConfig.getPath(PropertyType.ERRORS, _clusterName, _instanceName));
return isValid;
}
return true;
}
@Test
public void testNullReplica() throws Exception {
// Logger.getRootLogger().setLevel(Level.INFO);
String className = TestHelper.getTestClassName();
String methodName = TestHelper.getTestMethodName();
String clusterName = className + "_" + methodName;
System.out.println("START " + clusterName + " at " + new Date(System.currentTimeMillis()));
MockParticipant[] participants = new MockParticipant[5];
TestHelper.setupCluster(
clusterName,
ZK_ADDR,
12918, // participant port
"localhost", // participant name prefix
"TestDB", // resource name prefix
1, // resources
10, // partitions per resource
5, // number of nodes
3, // replicas
"MasterSlave",
true); // do rebalance
// set replica in ideal state to null
String idealStatePath =
PropertyPathConfig.getPath(PropertyType.IDEALSTATES, clusterName, "TestDB0");
ZNRecord idealState = _gZkClient.readData(idealStatePath);
idealState.getSimpleFields().remove(IdealState.IdealStateProperty.REPLICAS.toString());
_gZkClient.writeData(idealStatePath, idealState);
ClusterController controller = new ClusterController(clusterName, "controller_0", ZK_ADDR);
controller.syncStart();
// start participants
for (int i = 0; i < 5; i++) {
String instanceName = "localhost_" + (12918 + i);
participants[i] = new MockParticipant(clusterName, instanceName, ZK_ADDR, null);
participants[i].syncStart();
}
boolean result =
ClusterStateVerifier.verifyByZkCallback(
new BestPossAndExtViewZkVerifier(ZK_ADDR, clusterName));
Assert.assertTrue(result);
// clean up
for (int i = 0; i < 5; i++) {
participants[i].syncStop();
}
Thread.sleep(2000);
controller.syncStop();
System.out.println("END " + clusterName + " at " + new Date(System.currentTimeMillis()));
}
@Override
public PropertyStore<ZNRecord> getPropertyStore() {
checkConnected();
if (_propertyStore == null) {
String path = PropertyPathConfig.getPath(PropertyType.PROPERTYSTORE, _clusterName);
String propertyStoreRoot = _store.getPropertyRootNamespace() + path;
_propertyStore =
new FilePropertyStore<ZNRecord>(
new PropertyJsonSerializer<ZNRecord>(ZNRecord.class),
propertyStoreRoot,
new PropertyJsonComparator<ZNRecord>(ZNRecord.class));
}
return _propertyStore;
}
private boolean isClusterSetup(String clusterName) {
if (clusterName == null || _store == null) {
return false;
}
boolean isValid =
_store.exists(PropertyPathConfig.getPath(PropertyType.IDEALSTATES, clusterName))
&& _store.exists(
PropertyPathConfig.getPath(
PropertyType.CONFIGS, clusterName, ConfigScopeProperty.CLUSTER.toString()))
&& _store.exists(
PropertyPathConfig.getPath(
PropertyType.CONFIGS, clusterName, ConfigScopeProperty.PARTICIPANT.toString()))
&& _store.exists(
PropertyPathConfig.getPath(
PropertyType.CONFIGS, clusterName, ConfigScopeProperty.RESOURCE.toString()))
&& _store.exists(PropertyPathConfig.getPath(PropertyType.PROPERTYSTORE, clusterName))
&& _store.exists(PropertyPathConfig.getPath(PropertyType.LIVEINSTANCES, clusterName))
&& _store.exists(PropertyPathConfig.getPath(PropertyType.INSTANCES, clusterName))
&& _store.exists(PropertyPathConfig.getPath(PropertyType.EXTERNALVIEW, clusterName))
&& _store.exists(PropertyPathConfig.getPath(PropertyType.CONTROLLER, clusterName))
&& _store.exists(PropertyPathConfig.getPath(PropertyType.STATEMODELDEFS, clusterName))
&& _store.exists(
PropertyPathConfig.getPath(PropertyType.MESSAGES_CONTROLLER, clusterName))
&& _store.exists(
PropertyPathConfig.getPath(PropertyType.ERRORS_CONTROLLER, clusterName))
&& _store.exists(
PropertyPathConfig.getPath(PropertyType.STATUSUPDATES_CONTROLLER, clusterName))
&& _store.exists(PropertyPathConfig.getPath(PropertyType.HISTORY, clusterName));
return isValid;
}