fix workflow execution for first run

Signed-off-by: Subhobrata Dey <sbcd90@gmail.com>

alerting/src/main/kotlin/org/opensearch/alerting/transport/TransportIndexWorkflowAction.kt

@@ -27,6 +27,9 @@ import org.opensearch.action.search.SearchResponse
 import org.opensearch.action.support.ActionFilters
 import org.opensearch.action.support.HandledTransportAction
 import org.opensearch.action.support.master.AcknowledgedResponse
+import org.opensearch.alerting.MonitorMetadataService
+import org.opensearch.alerting.MonitorRunnerService.monitorCtx
+import org.opensearch.alerting.WorkflowMetadataService
 import org.opensearch.alerting.core.ScheduledJobIndices
 import org.opensearch.alerting.opensearchapi.InjectorContextElement
 import org.opensearch.alerting.opensearchapi.addFilter
@@ -42,6 +45,7 @@ import org.opensearch.alerting.util.AlertingException
 import org.opensearch.alerting.util.IndexUtils
 import org.opensearch.alerting.util.isADMonitor
 import org.opensearch.alerting.util.isQueryLevelMonitor
+import org.opensearch.alerting.workflow.CompositeWorkflowRunner
 import org.opensearch.client.Client
 import org.opensearch.cluster.service.ClusterService
 import org.opensearch.common.inject.Inject
@@ -371,6 +375,37 @@ class TransportIndexWorkflowAction @Inject constructor(
                     )
                     return
                 }
+
+                val createdWorkflow = request.workflow.copy(id = indexResponse.id)
+                val executionId = CompositeWorkflowRunner.generateExecutionId(false, createdWorkflow)
+
+                val (workflowMetadata, _) = WorkflowMetadataService.getOrCreateWorkflowMetadata(
+                    workflow = createdWorkflow,
+                    skipIndex = false,
+                    executionId = executionId
+                )
+
+                val delegates = (createdWorkflow.inputs[0] as CompositeInput).sequence.delegates.sortedBy { it.order }
+                val monitors = monitorCtx.workflowService!!.getMonitorsById(delegates.map { it.monitorId }, delegates.size)
+
+                for (monitor in monitors) {
+                    var (monitorMetadata, created) = MonitorMetadataService.getOrCreateMetadata(
+                        monitor = monitor,
+                        createWithRunContext = true,
+                        workflowMetadataId = workflowMetadata.id
+                    )
+
+                    if (created == false) {
+                        log.warn("Metadata doc id:${monitorMetadata.id} exists, but it shouldn't!")
+                    }
+
+                    if (monitor.monitorType == Monitor.MonitorType.DOC_LEVEL_MONITOR) {
+                        val oldMonitorMetadata = MonitorMetadataService.getMetadata(monitor)
+                        monitorMetadata = monitorMetadata.copy(sourceToQueryIndexMapping = oldMonitorMetadata!!.sourceToQueryIndexMapping)
+                    }
+                    // When inserting queries in queryIndex we could update sourceToQueryIndexMapping
+                    MonitorMetadataService.upsertMetadata(monitorMetadata, updating = true)
+                }
                 actionListener.onResponse(
                     IndexWorkflowResponse(
                         indexResponse.id, indexResponse.version, indexResponse.seqNo,
@@ -498,6 +533,33 @@ class TransportIndexWorkflowAction @Inject constructor(
                     )
                     return
                 }
+
+                val updatedWorkflow = request.workflow.copy(id = indexResponse.id)
+                val executionId = CompositeWorkflowRunner.generateExecutionId(false, updatedWorkflow)
+
+                val (workflowMetadata, _) = WorkflowMetadataService.getOrCreateWorkflowMetadata(
+                    workflow = updatedWorkflow,
+                    skipIndex = false,
+                    executionId = executionId
+                )
+
+                val delegates = (updatedWorkflow.inputs[0] as CompositeInput).sequence.delegates.sortedBy { it.order }
+                val monitors = monitorCtx.workflowService!!.getMonitorsById(delegates.map { it.monitorId }, delegates.size)
+
+                for (monitor in monitors) {
+                    val (monitorMetadata, created) = MonitorMetadataService.getOrCreateMetadata(
+                        monitor = monitor,
+                        createWithRunContext = true,
+                        workflowMetadataId = workflowMetadata.id
+                    )
+
+                    if (created == false && monitor.monitorType == Monitor.MonitorType.DOC_LEVEL_MONITOR) {
+                        var updatedMetadata = MonitorMetadataService.recreateRunContext(monitorMetadata, monitor)
+                        val oldMonitorMetadata = MonitorMetadataService.getMetadata(monitor)
+                        updatedMetadata = updatedMetadata.copy(sourceToQueryIndexMapping = oldMonitorMetadata!!.sourceToQueryIndexMapping)
+                        MonitorMetadataService.upsertMetadata(updatedMetadata, updating = true)
+                    }
+                }
                 actionListener.onResponse(
                     IndexWorkflowResponse(
                         indexResponse.id, indexResponse.version, indexResponse.seqNo,

alerting/src/main/kotlin/org/opensearch/alerting/workflow/CompositeWorkflowRunner.kt

@@ -281,7 +281,7 @@ object CompositeWorkflowRunner : WorkflowRunner() {
         }
     }
 
-    private fun generateExecutionId(
+    fun generateExecutionId(
         isTempWorkflow: Boolean,
         workflow: Workflow,
     ): String {

alerting/src/test/kotlin/org/opensearch/alerting/MonitorDataSourcesIT.kt

@@ -3152,8 +3152,8 @@ class MonitorDataSourcesIT : AlertingSingleNodeTestCase() {
             searchWorkflowMetadata(id = workflowId)
         } catch (ex: java.lang.Exception) {
             exception = ex
+            assertTrue(exception is java.util.NoSuchElementException)
         }
-        assertTrue(exception is java.util.NoSuchElementException)
     }
 
     fun `test execute workflow with custom alerts and finding index with bucket and doc monitor bucket monitor used as chained finding`() {

alerting/src/test/kotlin/org/opensearch/alerting/resthandler/WorkflowRestApiIT.kt

@@ -1140,4 +1140,49 @@ class WorkflowRestApiIT : AlertingRestTestCase() {
         val acknowledged = acknowledgeChainedAlertsResponse["success"] as List<String>
         Assert.assertEquals(acknowledged[0], alerts1[0]["id"])
     }
+
+    fun `test run workflow as scheduled job success`() {
+        val index = createTestIndex()
+        val docQuery1 = DocLevelQuery(query = "test_field:\"us-west-2\"", name = "3")
+        val docLevelInput = DocLevelMonitorInput(
+            "description", listOf(index), listOf(docQuery1)
+        )
+        val trigger = randomDocumentLevelTrigger(condition = ALWAYS_RUN)
+
+        val monitor = randomDocumentLevelMonitor(
+            inputs = listOf(docLevelInput),
+            triggers = listOf(trigger),
+            enabled = false
+        )
+        val monitorResponse = createMonitor(monitor)
+
+        val workflow = randomWorkflow(
+            monitorIds = listOf(monitorResponse.id),
+            enabled = true,
+            schedule = IntervalSchedule(1, ChronoUnit.MINUTES)
+        )
+
+        val createResponse = client().makeRequest("POST", WORKFLOW_ALERTING_BASE_URI, emptyMap(), workflow.toHttpEntity())
+
+        assertEquals("Create workflow failed", RestStatus.CREATED, createResponse.restStatus())
+
+        val responseBody = createResponse.asMap()
+        val createdId = responseBody["_id"] as String
+        val createdVersion = responseBody["_version"] as Int
+
+        assertNotEquals("response is missing Id", Workflow.NO_ID, createdId)
+        assertTrue("incorrect version", createdVersion > 0)
+        assertEquals("Incorrect Location header", "$WORKFLOW_ALERTING_BASE_URI/$createdId", createResponse.getHeader("Location"))
+
+        val testDoc = """{
+            "message" : "This is an error from IAD region",
+            "test_field" : "us-west-2"
+        }"""
+
+        indexDoc(index, "1", testDoc)
+        Thread.sleep(80000)
+
+        val findings = searchFindings(monitor.copy(id = monitorResponse.id))
+        assertEquals("Findings saved for test monitor", 1, findings.size)
+    }
 }