Refactoring to enable on_failure for imperative workflow

BlueprintError needs to associate errors with the steps in which they occurred
in order for imperative workflow to handle on_failure properly.

Made stepName more accessible and corrected places where stepName was assigned to nodeTemplateName.

Issue-ID: CCSDK-3219
Change-Id: I7e5805745c63558cff6be533e1b99c32ad06c3db
Signed-off-by: Jozsef Csongvai <jozsef.csongvai@bell.ca>

8 files changed, 28 insertions, 14 deletions

diff --git a/ms/blueprintsprocessor/modules/services/workflow-service/src/main/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/services/workflow/BlueprintWorkflowExecutionServiceImpl.kt b/ms/blueprintsprocessor/modules/services/workflow-service/src/main/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/services/workflow/BlueprintWorkflowExecutionServiceImpl.kt
index d690235e9..5a175b056 100644
--- a/ms/blueprintsprocessor/modules/services/workflow-service/src/main/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/services/workflow/BlueprintWorkflowExecutionServiceImpl.kt
+++ b/ms/blueprintsprocessor/modules/services/workflow-service/src/main/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/services/workflow/BlueprintWorkflowExecutionServiceImpl.kt
@@ -97,7 +97,7 @@ open class BlueprintWorkflowExecutionServiceImpl(
             workflowOutputs = bluePrintRuntimeService.resolveWorkflowOutputs(workflowName)
         } catch (e: RuntimeException) {
             log.error("Failed to resolve outputs for workflow: $workflowName", e)
-            e.message?.let { bluePrintRuntimeService.getBlueprintError().errors.add(it) }
+            e.message?.let { bluePrintRuntimeService.getBlueprintError().addError(it, "workflow") }
         }
 
         // Set the Response Payload
diff --git a/ms/blueprintsprocessor/modules/services/workflow-service/src/main/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/services/workflow/ComponentWorkflowExecutionService.kt b/ms/blueprintsprocessor/modules/services/workflow-service/src/main/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/services/workflow/ComponentWorkflowExecutionService.kt
index 330d297c2..322180893 100644
--- a/ms/blueprintsprocessor/modules/services/workflow-service/src/main/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/services/workflow/ComponentWorkflowExecutionService.kt
+++ b/ms/blueprintsprocessor/modules/services/workflow-service/src/main/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/services/workflow/ComponentWorkflowExecutionService.kt
@@ -38,10 +38,10 @@ open class ComponentWorkflowExecutionService(private val nodeTemplateExecutionSe
 
         // Get the DG Node Template
         val nodeTemplateName = bluePrintContext.workflowFirstStepNodeTemplate(workflowName)
+        val stepName = bluePrintContext.workflowSteps(workflowName).keys.first()
 
         return nodeTemplateExecutionService.executeNodeTemplate(
-            bluePrintRuntimeService,
-            nodeTemplateName, executionServiceInput
+            bluePrintRuntimeService, stepName, nodeTemplateName, executionServiceInput
         )
     }
 }
diff --git a/ms/blueprintsprocessor/modules/services/workflow-service/src/main/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/services/workflow/DGWorkflowExecutionService.kt b/ms/blueprintsprocessor/modules/services/workflow-service/src/main/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/services/workflow/DGWorkflowExecutionService.kt
index c8d72a1a4..efcae4aee 100644
--- a/ms/blueprintsprocessor/modules/services/workflow-service/src/main/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/services/workflow/DGWorkflowExecutionService.kt
+++ b/ms/blueprintsprocessor/modules/services/workflow-service/src/main/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/services/workflow/DGWorkflowExecutionService.kt
@@ -19,6 +19,7 @@ package org.onap.ccsdk.cds.blueprintsprocessor.services.workflow
 
 import org.onap.ccsdk.cds.blueprintsprocessor.core.api.data.ExecutionServiceInput
 import org.onap.ccsdk.cds.blueprintsprocessor.core.api.data.ExecutionServiceOutput
+import org.onap.ccsdk.cds.blueprintsprocessor.core.api.data.StepData
 import org.onap.ccsdk.cds.blueprintsprocessor.services.workflow.utils.SvcGraphUtils
 import org.onap.ccsdk.cds.controllerblueprints.core.interfaces.BlueprintWorkflowExecutionService
 import org.onap.ccsdk.cds.controllerblueprints.core.normalizedPathName
@@ -45,6 +46,11 @@ open class DGWorkflowExecutionService(private val blueprintSvcLogicService: Blue
         // Get the DG Node Template
         val nodeTemplateName = bluePrintContext.workflowFirstStepNodeTemplate(workflowName)
 
+        val stepName = bluePrintContext.workflowSteps(workflowName).keys.first()
+        executionServiceInput.stepData = StepData().apply {
+            name = stepName
+        }
+
         log.info("Executing workflow($workflowName) directed graph NodeTemplate($nodeTemplateName)")
 
         // Get the DG file info
diff --git a/ms/blueprintsprocessor/modules/services/workflow-service/src/main/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/services/workflow/ImperativeWorkflowExecutionService.kt b/ms/blueprintsprocessor/modules/services/workflow-service/src/main/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/services/workflow/ImperativeWorkflowExecutionService.kt
index 2278dbfb4..a318a6ac1 100644
--- a/ms/blueprintsprocessor/modules/services/workflow-service/src/main/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/services/workflow/ImperativeWorkflowExecutionService.kt
+++ b/ms/blueprintsprocessor/modules/services/workflow-service/src/main/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/services/workflow/ImperativeWorkflowExecutionService.kt
@@ -108,7 +108,7 @@ open class ImperativeBlueprintWorkflowService(private val nodeTemplateExecutionS
             if (exceptions.isNotEmpty()) {
                 exceptions.forEach {
                     val errorMessage = it.message ?: ""
-                    bluePrintRuntimeService.getBlueprintError().addError(errorMessage)
+                    bluePrintRuntimeService.getBlueprintError().addError(errorMessage, "workflow")
                     log.error("workflow($workflowId) exception :", it)
                 }
                 message = BlueprintConstants.STATUS_FAILURE
@@ -154,12 +154,15 @@ open class ImperativeBlueprintWorkflowService(private val nodeTemplateExecutionS
 
         /** execute node template */
         val executionServiceOutput = nodeTemplateExecutionService
-            .executeNodeTemplate(bluePrintRuntimeService, nodeTemplateName, nodeInput)
+            .executeNodeTemplate(bluePrintRuntimeService, node.id, nodeTemplateName, nodeInput)
 
-        return when (executionServiceOutput.status.message) {
-            BlueprintConstants.STATUS_FAILURE -> EdgeLabel.FAILURE
-            else -> EdgeLabel.SUCCESS
+        if (executionServiceOutput.status.message == BlueprintConstants.STATUS_FAILURE) {
+            // Clear step errors so that the workflow does not fail
+            bluePrintRuntimeService.getBlueprintError().stepErrors(node.id)?.clear()
+            return EdgeLabel.FAILURE
         }
+
+        return EdgeLabel.SUCCESS
     }
 
     override suspend fun skipNode(
diff --git a/ms/blueprintsprocessor/modules/services/workflow-service/src/main/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/services/workflow/NodeTemplateExecutionService.kt b/ms/blueprintsprocessor/modules/services/workflow-service/src/main/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/services/workflow/NodeTemplateExecutionService.kt
index 1d179a1b7..ff8f5b8cf 100644
--- a/ms/blueprintsprocessor/modules/services/workflow-service/src/main/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/services/workflow/NodeTemplateExecutionService.kt
+++ b/ms/blueprintsprocessor/modules/services/workflow-service/src/main/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/services/workflow/NodeTemplateExecutionService.kt
@@ -37,6 +37,7 @@ open class NodeTemplateExecutionService(private val bluePrintClusterService: Blu
 
     suspend fun executeNodeTemplate(
         bluePrintRuntimeService: BlueprintRuntimeService<*>,
+        stepName: String,
         nodeTemplateName: String,
         executionServiceInput: ExecutionServiceInput
     ): ExecutionServiceOutput {
@@ -66,7 +67,8 @@ open class NodeTemplateExecutionService(private val bluePrintClusterService: Blu
         // Set the Blueprint Services
         plugin.bluePrintRuntimeService = bluePrintRuntimeService
         plugin.bluePrintClusterService = bluePrintClusterService
-        plugin.stepName = nodeTemplateName
+        plugin.stepName = stepName
+        plugin.nodeTemplateName = nodeTemplateName
 
         // Parent request shouldn't tamper, so need to clone the request and send to the actual component.
         val clonedExecutionServiceInput = ExecutionServiceInput().apply {
@@ -81,7 +83,7 @@ open class NodeTemplateExecutionService(private val bluePrintClusterService: Blu
         stepInputs[BlueprintConstants.PROPERTY_CURRENT_INTERFACE] = interfaceName.asJsonPrimitive()
         stepInputs[BlueprintConstants.PROPERTY_CURRENT_OPERATION] = operationName.asJsonPrimitive()
         val stepInputData = StepData().apply {
-            name = nodeTemplateName
+            name = stepName
             properties = stepInputs
         }
         clonedExecutionServiceInput.stepData = stepInputData
diff --git a/ms/blueprintsprocessor/modules/services/workflow-service/src/main/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/services/workflow/executor/ComponentExecuteNodeExecutor.kt b/ms/blueprintsprocessor/modules/services/workflow-service/src/main/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/services/workflow/executor/ComponentExecuteNodeExecutor.kt
index cf5955e33..2e3f78a69 100644
--- a/ms/blueprintsprocessor/modules/services/workflow-service/src/main/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/services/workflow/executor/ComponentExecuteNodeExecutor.kt
+++ b/ms/blueprintsprocessor/modules/services/workflow-service/src/main/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/services/workflow/executor/ComponentExecuteNodeExecutor.kt
@@ -48,10 +48,11 @@ open class ComponentExecuteNodeExecutor(private val nodeTemplateExecutionService
 
             val executionInput = ctx.getRequest() as ExecutionServiceInput
 
+            val stepName = executionInput.stepData?.name ?: nodeTemplateName
+
             try { // Get the Request from the Context and Set to the Function Input and Invoke the function
                 val executionOutput = nodeTemplateExecutionService.executeNodeTemplate(
-                    ctx.getBlueprintService(),
-                    nodeTemplateName, executionInput
+                    ctx.getBlueprintService(), stepName, nodeTemplateName, executionInput
                 )
 
                 ctx.setResponse(executionOutput)
diff --git a/ms/blueprintsprocessor/modules/services/workflow-service/src/test/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/services/workflow/BlueprintWorkflowExecutionServiceImplTest.kt b/ms/blueprintsprocessor/modules/services/workflow-service/src/test/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/services/workflow/BlueprintWorkflowExecutionServiceImplTest.kt
index 0bd1c33c9..b7087b338 100644
--- a/ms/blueprintsprocessor/modules/services/workflow-service/src/test/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/services/workflow/BlueprintWorkflowExecutionServiceImplTest.kt
+++ b/ms/blueprintsprocessor/modules/services/workflow-service/src/test/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/services/workflow/BlueprintWorkflowExecutionServiceImplTest.kt
@@ -178,7 +178,7 @@ class BlueprintWorkflowExecutionServiceImplTest {
             val output = bluePrintWorkflowExecutionServiceImpl.executeBlueprintWorkflow(
                 bluePrintRuntimeService, executionServiceInput, mutableMapOf()
             )
-            assertEquals("failed to resolve property...", blueprintError.errors[0])
+            assertEquals("failed to resolve property...", blueprintError.allErrors()[0])
             assertEquals("""{"config-assign-response":{}}""".asJsonType(), output.payload)
         }
     }
diff --git a/ms/blueprintsprocessor/modules/services/workflow-service/src/test/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/services/workflow/NodeTemplateExecutionServiceTest.kt b/ms/blueprintsprocessor/modules/services/workflow-service/src/test/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/services/workflow/NodeTemplateExecutionServiceTest.kt
index 70b52d053..b113987e5 100644
--- a/ms/blueprintsprocessor/modules/services/workflow-service/src/test/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/services/workflow/NodeTemplateExecutionServiceTest.kt
+++ b/ms/blueprintsprocessor/modules/services/workflow-service/src/test/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/services/workflow/NodeTemplateExecutionServiceTest.kt
@@ -72,10 +72,12 @@ class NodeTemplateExecutionServiceTest {
             val input = executionServiceInput.payload.get("resource-assignment-request")
             bluePrintRuntimeService.assignWorkflowInputs("resource-assignment", input)
 
+            val stepName = bluePrintRuntimeService.bluePrintContext()
+                .workflowSteps("resource-assignment").keys.first()
             val nodeTemplate = "resource-assignment"
             val nodeTemplateExecutionService = NodeTemplateExecutionService(bluePrintClusterService)
             val executionServiceOutput = nodeTemplateExecutionService
-                .executeNodeTemplate(bluePrintRuntimeService, nodeTemplate, executionServiceInput)
+                .executeNodeTemplate(bluePrintRuntimeService, stepName, nodeTemplate, executionServiceInput)
 
             assertNotNull(executionServiceOutput, "failed to get response")
             assertEquals(