fix retries logic for failed http tasks

contribs/src/test/java/com/netflix/conductor/contribs/http/TestHttpTask.java

@@ -31,6 +31,7 @@
 import com.netflix.conductor.core.execution.WorkflowExecutor;
 import com.netflix.conductor.core.execution.mapper.TaskMapper;
 import com.netflix.conductor.core.utils.ExternalPayloadStorageUtils;
+import com.netflix.conductor.dao.MetadataDAO;
 import com.netflix.conductor.dao.QueueDAO;
 import org.eclipse.jetty.server.Request;
 import org.eclipse.jetty.server.Server;
@@ -288,11 +289,12 @@ public void testOptional() {
         workflow.getTasks().add(task);
 
         QueueDAO queueDAO = mock(QueueDAO.class);
+        MetadataDAO metadataDAO = mock(MetadataDAO.class);
         ExternalPayloadStorageUtils externalPayloadStorageUtils = mock(ExternalPayloadStorageUtils.class);
         ParametersUtils parametersUtils = mock(ParametersUtils.class);
 
         Map<String, TaskMapper> taskMappers = new HashMap<>();
-        new DeciderService(parametersUtils, queueDAO, externalPayloadStorageUtils, taskMappers).decide(workflow);
+        new DeciderService(parametersUtils, queueDAO, metadataDAO, externalPayloadStorageUtils, taskMappers).decide(workflow);
 
         System.out.println(workflow.getTasks());
         System.out.println(workflow.getStatus());

core/src/main/java/com/netflix/conductor/core/execution/DeciderService.java

@@ -30,6 +30,7 @@
 import com.netflix.conductor.core.utils.ExternalPayloadStorageUtils;
 import com.netflix.conductor.core.utils.IDGenerator;
 import com.netflix.conductor.core.utils.QueueUtils;
+import com.netflix.conductor.dao.MetadataDAO;
 import com.netflix.conductor.dao.QueueDAO;
 import com.netflix.conductor.metrics.Monitors;
 import org.apache.commons.lang3.StringUtils;
@@ -70,6 +71,7 @@ public class DeciderService {
     private final QueueDAO queueDAO;
     private final ParametersUtils parametersUtils;
     private final ExternalPayloadStorageUtils externalPayloadStorageUtils;
+    private final MetadataDAO metadataDAO;
 
     private final Map<String, TaskMapper> taskMappers;
 
@@ -78,10 +80,11 @@ public class DeciderService {
     private final Predicate<Task> isNonPendingTask = task -> !task.isRetried() && !task.getStatus().equals(SKIPPED) && !task.isExecuted() || SystemTaskType.isBuiltIn(task.getTaskType());
 
     @Inject
-    public DeciderService(ParametersUtils parametersUtils, QueueDAO queueDAO,
+    public DeciderService(ParametersUtils parametersUtils, QueueDAO queueDAO, MetadataDAO metadataDAO,
                           ExternalPayloadStorageUtils externalPayloadStorageUtils,
                           @Named("TaskMappers") Map<String, TaskMapper> taskMappers) {
         this.queueDAO = queueDAO;
+        this.metadataDAO = metadataDAO;
         this.parametersUtils = parametersUtils;
         this.taskMappers = taskMappers;
         this.externalPayloadStorageUtils = externalPayloadStorageUtils;
@@ -350,6 +353,11 @@ private String getNextTasksToBeScheduled(Workflow workflow, Task task) {
     Task retry(TaskDef taskDefinition, WorkflowTask workflowTask, Task task, Workflow workflow) throws TerminateWorkflowException {
 
         int retryCount = task.getRetryCount();
+
+        if(taskDefinition == null) {
+            taskDefinition = metadataDAO.getTaskDef(task.getTaskType());
+        }
+
         if (!task.getStatus().isRetriable() || SystemTaskType.isBuiltIn(task.getTaskType()) || taskDefinition == null || taskDefinition.getRetryCount() <= retryCount) {
             WorkflowStatus status = task.getStatus().equals(TIMED_OUT) ? WorkflowStatus.TIMED_OUT : WorkflowStatus.FAILED;
             updateWorkflowOutput(workflow, task);

core/src/test/java/com/netflix/conductor/core/execution/TestDeciderOutcomes.java

@@ -45,7 +45,6 @@
 import com.netflix.conductor.dao.QueueDAO;
 import org.junit.Before;
 import org.junit.Test;
-import org.mockito.Mockito;
 
 import java.io.InputStream;
 import java.util.Arrays;
@@ -59,7 +58,6 @@
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertNotSame;
 import static org.junit.Assert.assertTrue;
-import static org.mockito.Matchers.any;
 import static org.mockito.Matchers.anyString;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.when;
@@ -87,6 +85,8 @@ public class TestDeciderOutcomes {
     public void init() {
         metadataDAO = mock(MetadataDAO.class);
         QueueDAO queueDAO = mock(QueueDAO.class);
+        MetadataDAO metadataDAO = mock(MetadataDAO.class);
+
         ExternalPayloadStorageUtils externalPayloadStorageUtils = mock(ExternalPayloadStorageUtils.class);
         Configuration configuration = mock(Configuration.class);
         when(configuration.getTaskInputPayloadSizeThresholdKB()).thenReturn(10L);
@@ -111,7 +111,7 @@ public void init() {
         taskMappers.put("WAIT", new WaitTaskMapper(parametersUtils));
         taskMappers.put("HTTP", new HTTPTaskMapper(parametersUtils, metadataDAO));
 
-        this.deciderService = new DeciderService(parametersUtils, queueDAO, externalPayloadStorageUtils, taskMappers);
+        this.deciderService = new DeciderService(parametersUtils, queueDAO, metadataDAO,  externalPayloadStorageUtils, taskMappers);
     }
 
     @Test

core/src/test/java/com/netflix/conductor/core/execution/TestDeciderService.java

@@ -113,6 +113,7 @@ public void setup() {
         metadataDAO = mock(MetadataDAO.class);
         externalPayloadStorageUtils = mock(ExternalPayloadStorageUtils.class);
         QueueDAO queueDAO = mock(QueueDAO.class);
+        MetadataDAO metadataDAO = mock(MetadataDAO.class);
 
         TaskDef taskDef = new TaskDef();
 
@@ -136,7 +137,7 @@ public void setup() {
         taskMappers.put("WAIT", new WaitTaskMapper(parametersUtils));
         taskMappers.put("HTTP", new HTTPTaskMapper(parametersUtils, metadataDAO));
 
-        deciderService = new DeciderService(parametersUtils, queueDAO, externalPayloadStorageUtils, taskMappers);
+        deciderService = new DeciderService(parametersUtils, queueDAO, metadataDAO, externalPayloadStorageUtils, taskMappers);
     }
 
     @Test

core/src/test/java/com/netflix/conductor/core/execution/TestWorkflowExecutor.java

@@ -114,7 +114,7 @@ public void init() {
         taskMappers.put("WAIT", new WaitTaskMapper(parametersUtils));
         taskMappers.put("HTTP", new HTTPTaskMapper(parametersUtils, metadataDAO));
 
-        deciderService = new DeciderService(parametersUtils, queueDAO, externalPayloadStorageUtils, taskMappers);
+        deciderService = new DeciderService(parametersUtils, queueDAO, metadataDAO, externalPayloadStorageUtils, taskMappers);
         MetadataMapperService metadataMapperService = new MetadataMapperService(metadataDAO);
         workflowExecutor = new WorkflowExecutor(deciderService, metadataDAO, queueDAO, metadataMapperService, workflowStatusListener, executionDAOFacade, config);
     }