Fix issues with unnecessary task deletion

issue-9736
Charitha Goonetilleke 2 years ago
parent 28488d3e08
commit 0a9b20e0fc

@ -59,8 +59,7 @@ public class TaskManagementUtil {
try { try {
int serverHashIdx = TaskManagerDataHolder.getInstance().getHeartBeatService() int serverHashIdx = TaskManagerDataHolder.getInstance().getHeartBeatService()
.getServerCtxInfo().getLocalServerHashIdx(); .getServerCtxInfo().getLocalServerHashIdx();
return TaskMgtConstants.Task.DYNAMIC_TASK_TYPE + TaskMgtConstants.Task.NAME_SEPARATOR + dynamicTaskId return generateTaskId(dynamicTaskId, serverHashIdx);
+ TaskMgtConstants.Task.NAME_SEPARATOR + serverHashIdx;
} catch (HeartBeatManagementException e) { } catch (HeartBeatManagementException e) {
String msg = "Failed to generate task id for a dynamic task " + dynamicTaskId; String msg = "Failed to generate task id for a dynamic task " + dynamicTaskId;
log.error(msg, e); log.error(msg, e);
@ -68,6 +67,11 @@ public class TaskManagementUtil {
} }
} }
public static String generateTaskId(int dynamicTaskId, int serverHashIdx) {
return TaskMgtConstants.Task.DYNAMIC_TASK_TYPE + TaskMgtConstants.Task.NAME_SEPARATOR + dynamicTaskId
+ TaskMgtConstants.Task.NAME_SEPARATOR + serverHashIdx;
}
public static String generateTaskPropsMD5(Map<String, String> taskProperties) throws TaskManagementException { public static String generateTaskPropsMD5(Map<String, String> taskProperties) throws TaskManagementException {
taskProperties.remove(TaskMgtConstants.Task.TENANT_ID_PROP); taskProperties.remove(TaskMgtConstants.Task.TENANT_ID_PROP);
taskProperties.remove(TaskMgtConstants.Task.LOCAL_HASH_INDEX); taskProperties.remove(TaskMgtConstants.Task.LOCAL_HASH_INDEX);

@ -41,6 +41,7 @@ import java.util.Arrays;
import java.util.HashMap; import java.util.HashMap;
import java.util.List; import java.util.List;
import java.util.Map; import java.util.Map;
import java.util.Set;
import java.util.Timer; import java.util.Timer;
import java.util.TimerTask; import java.util.TimerTask;
@ -70,7 +71,6 @@ public class IoTSStartupHandler implements ServerStartupObserver {
if (log.isDebugEnabled()) { if (log.isDebugEnabled()) {
log.debug("Comparing Tasks from carbon nTask manager and entgra task manager"); log.debug("Comparing Tasks from carbon nTask manager and entgra task manager");
} }
TaskManager taskManager;
TaskService nTaskService = TaskWatcherDataHolder.getInstance().getnTaskService(); TaskService nTaskService = TaskWatcherDataHolder.getInstance().getnTaskService();
if (nTaskService == null) { if (nTaskService == null) {
String msg = "Unable to load TaskService from the carbon nTask core"; String msg = "Unable to load TaskService from the carbon nTask core";
@ -80,6 +80,25 @@ public class IoTSStartupHandler implements ServerStartupObserver {
try { try {
List<DynamicTask> dynamicTasks = TaskWatcherDataHolder.getInstance().getTaskManagementService() List<DynamicTask> dynamicTasks = TaskWatcherDataHolder.getInstance().getTaskManagementService()
.getAllDynamicTasks(); .getAllDynamicTasks();
scheduleMissingTasks(nTaskService, dynamicTasks);
deleteObsoleteTasks(nTaskService, dynamicTasks);
if (log.isDebugEnabled()) {
log.debug("Task Comparison Completed and all tasks in current node are updated");
}
} catch (TaskException e) {
String msg = "Error occurred while accessing carbon nTask manager.";
log.error(msg, e);
} catch (TaskManagementException e) {
String msg = "Error occurred while retrieving all active tasks from entgra task manager";
log.error(msg, e);
}
}
private static void scheduleMissingTasks(TaskService nTaskService, List<DynamicTask> dynamicTasks)
throws TaskException, TaskManagementException {
Map<Integer, List<DynamicTask>> tenantedDynamicTasks = new HashMap<>(); Map<Integer, List<DynamicTask>> tenantedDynamicTasks = new HashMap<>();
List<DynamicTask> dts; List<DynamicTask> dts;
for (DynamicTask dt : dynamicTasks) { for (DynamicTask dt : dynamicTasks) {
@ -91,6 +110,7 @@ public class IoTSStartupHandler implements ServerStartupObserver {
dts.add(dt); dts.add(dt);
tenantedDynamicTasks.put(dt.getTenantId(), dts); tenantedDynamicTasks.put(dt.getTenantId(), dts);
} }
TaskManager taskManager;
for (Integer tenantId : tenantedDynamicTasks.keySet()) { for (Integer tenantId : tenantedDynamicTasks.keySet()) {
if (tenantId == -1) { if (tenantId == -1) {
log.warn("Found " + tenantedDynamicTasks.get(tenantId).size() + log.warn("Found " + tenantedDynamicTasks.get(tenantId).size() +
@ -166,6 +186,10 @@ public class IoTSStartupHandler implements ServerStartupObserver {
} }
PrivilegedCarbonContext.endTenantFlow(); PrivilegedCarbonContext.endTenantFlow();
} }
}
private static void deleteObsoleteTasks(TaskService nTaskService, List<DynamicTask> dynamicTasks)
throws TaskManagementException, TaskException {
List<Tenant> tenants = new ArrayList<>(); List<Tenant> tenants = new ArrayList<>();
try { try {
@ -183,6 +207,16 @@ public class IoTSStartupHandler implements ServerStartupObserver {
return; return;
} }
TaskManager taskManager;
Set<Integer> hashIds;
try {
hashIds = TaskWatcherDataHolder.getInstance().getHeartBeatService().getActiveServers().keySet();
} catch (HeartBeatManagementException e) {
String msg = "Unexpected exception when getting hash indexes of active servers";
log.error(msg, e);
throw new TaskManagementException(msg, e);
}
for (Tenant tenant : tenants) { for (Tenant tenant : tenants) {
PrivilegedCarbonContext.startTenantFlow(); PrivilegedCarbonContext.startTenantFlow();
PrivilegedCarbonContext.getThreadLocalCarbonContext().setTenantId(tenant.getId(), true); PrivilegedCarbonContext.getThreadLocalCarbonContext().setTenantId(tenant.getId(), true);
@ -195,12 +229,17 @@ public class IoTSStartupHandler implements ServerStartupObserver {
for (TaskInfo taskInfo : tasks) { for (TaskInfo taskInfo : tasks) {
boolean isExist = false; boolean isExist = false;
for (DynamicTask dt : dynamicTasks) { for (DynamicTask dt : dynamicTasks) {
for (int hid : hashIds) {
if (tenant.getId() == dt.getTenantId() && if (tenant.getId() == dt.getTenantId() &&
taskInfo.getName().equals(TaskManagementUtil.generateTaskId(dt.getDynamicTaskId()))) { taskInfo.getName().equals(TaskManagementUtil.generateTaskId(dt.getDynamicTaskId(), hid))) {
isExist = true; isExist = true;
break; break;
} }
} }
if (isExist) {
break;
}
}
if (!isExist) { if (!isExist) {
taskManager.deleteTask(taskInfo.getName()); taskManager.deleteTask(taskInfo.getName());
if (log.isDebugEnabled()) { if (log.isDebugEnabled()) {
@ -210,17 +249,6 @@ public class IoTSStartupHandler implements ServerStartupObserver {
} }
PrivilegedCarbonContext.endTenantFlow(); PrivilegedCarbonContext.endTenantFlow();
} }
if (log.isDebugEnabled()) {
log.debug("Task Comparison Completed and all tasks in current node are updated");
}
} catch (TaskException e) {
String msg = "Error occurred while accessing carbon nTask manager.";
log.error(msg, e);
} catch (TaskManagementException e) {
String msg = "Error occurred while retrieving all active tasks from entgra task manager";
log.error(msg, e);
} }
}
} }

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