[ML] fix updating opened jobs scheduled events (#31651)

x-pack/plugin/core/src/main/java/org/elasticsearch/xpack/core/ml/job/config/JobUpdate.java

@@ -258,7 +258,7 @@ public Version getJobVersion() {
     }
 
     public boolean isAutodetectProcessUpdate() {
-        return modelPlotConfig != null || detectorUpdates != null;
+        return modelPlotConfig != null || detectorUpdates != null || groups != null;
     }
 
     @Override

x-pack/plugin/core/src/test/java/org/elasticsearch/xpack/core/ml/job/config/JobUpdateTests.java

@@ -274,6 +274,8 @@ public void testIsAutodetectProcessUpdate() {
         assertTrue(update.isAutodetectProcessUpdate());
         update = new JobUpdate.Builder("foo").setDetectorUpdates(Collections.singletonList(mock(JobUpdate.DetectorUpdate.class))).build();
         assertTrue(update.isAutodetectProcessUpdate());
+        update = new JobUpdate.Builder("foo").setGroups(Arrays.asList("bar")).build();
+        assertTrue(update.isAutodetectProcessUpdate());
     }
 
     public void testUpdateAnalysisLimitWithValueGreaterThanMax() {

x-pack/plugin/ml/src/main/java/org/elasticsearch/xpack/ml/job/process/autodetect/UpdateParams.java

@@ -66,6 +66,7 @@ public static UpdateParams fromJobUpdate(JobUpdate jobUpdate) {
         return new Builder(jobUpdate.getJobId())
                 .modelPlotConfig(jobUpdate.getModelPlotConfig())
                 .detectorUpdates(jobUpdate.getDetectorUpdates())
+                .updateScheduledEvents(jobUpdate.getGroups() != null)
                 .build();
     }
 

x-pack/plugin/ml/src/test/java/org/elasticsearch/xpack/ml/job/process/autodetect/UpdateParamsTests.java

@@ -0,0 +1,45 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License;
+ * you may not use this file except in compliance with the Elastic License.
+ */
+package org.elasticsearch.xpack.ml.job.process.autodetect;
+
+import org.elasticsearch.test.ESTestCase;
+import org.elasticsearch.xpack.core.ml.job.config.DetectionRule;
+import org.elasticsearch.xpack.core.ml.job.config.JobUpdate;
+import org.elasticsearch.xpack.core.ml.job.config.ModelPlotConfig;
+import org.elasticsearch.xpack.core.ml.job.config.Operator;
+import org.elasticsearch.xpack.core.ml.job.config.RuleCondition;
+
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
+
+
+public class UpdateParamsTests extends ESTestCase {
+
+    public void testFromJobUpdate() {
+        String jobId = "foo";
+        DetectionRule rule = new DetectionRule.Builder(Arrays.asList(
+            new RuleCondition(RuleCondition.AppliesTo.ACTUAL,
+                Operator.GT, 1.0))).build();
+        List<DetectionRule> rules = Arrays.asList(rule);
+        List<JobUpdate.DetectorUpdate> detectorUpdates = Collections.singletonList(
+            new JobUpdate.DetectorUpdate(2, null, rules));
+        JobUpdate.Builder updateBuilder = new JobUpdate.Builder(jobId)
+            .setModelPlotConfig(new ModelPlotConfig())
+            .setDetectorUpdates(detectorUpdates);
+
+        UpdateParams params = UpdateParams.fromJobUpdate(updateBuilder.build());
+
+        assertFalse(params.isUpdateScheduledEvents());
+        assertEquals(params.getDetectorUpdates(), updateBuilder.build().getDetectorUpdates());
+        assertEquals(params.getModelPlotConfig(), updateBuilder.build().getModelPlotConfig());
+
+        params = UpdateParams.fromJobUpdate(updateBuilder.setGroups(Arrays.asList("bar")).build());
+
+        assertTrue(params.isUpdateScheduledEvents());
+    }
+
+}

x-pack/qa/ml-native-multi-node-tests/src/test/java/org/elasticsearch/xpack/ml/integration/ScheduledEventsIT.java

@@ -12,11 +12,13 @@
 import org.elasticsearch.search.sort.SortOrder;
 import org.elasticsearch.xpack.core.ml.action.GetBucketsAction;
 import org.elasticsearch.xpack.core.ml.action.GetRecordsAction;
+import org.elasticsearch.xpack.core.ml.action.UpdateJobAction;
 import org.elasticsearch.xpack.core.ml.calendars.ScheduledEvent;
 import org.elasticsearch.xpack.core.ml.job.config.AnalysisConfig;
 import org.elasticsearch.xpack.core.ml.job.config.DataDescription;
 import org.elasticsearch.xpack.core.ml.job.config.Detector;
 import org.elasticsearch.xpack.core.ml.job.config.Job;
+import org.elasticsearch.xpack.core.ml.job.config.JobUpdate;
 import org.elasticsearch.xpack.core.ml.job.results.AnomalyRecord;
 import org.elasticsearch.xpack.core.ml.job.results.Bucket;
 import org.junit.After;
@@ -257,6 +259,81 @@ public void testOnlineUpdate() throws Exception {
         assertEquals(0, buckets.get(8).getScheduledEvents().size());
     }
 
+    /**
+     * An open job that later gets added to a calendar, should take the scheduled events into account
+     */
+    public void testUpdatingOpenedJob() throws Exception {
+        TimeValue bucketSpan = TimeValue.timeValueMinutes(30);
+        String groupName = "opened-calendar-job-group";
+        Job.Builder job = createJob("scheduled-events-open-update", bucketSpan);
+
+        long startTime = 1514764800000L;
+        final int bucketCount = 5;
+
+        // Open the job
+        openJob(job.getId());
+
+        // write some buckets of data
+        postData(job.getId(), generateData(startTime, bucketSpan, bucketCount, bucketIndex -> randomIntBetween(100, 200))
+                .stream().collect(Collectors.joining()));
+
+        String calendarId = "test-calendar-open-job-update";
+
+        // Create a new calendar referencing groupName
+        putCalendar(calendarId, Collections.singletonList(groupName), "testUpdatingOpenedJob calendar");
+
+        // Put events in the calendar
+        List<ScheduledEvent> events = new ArrayList<>();
+        long eventStartTime = startTime + (bucketCount + 1) * bucketSpan.millis();
+        long eventEndTime = eventStartTime + (long)(1.5 * bucketSpan.millis());
+        events.add(new ScheduledEvent.Builder().description("Some Event")
+                .startTime(ZonedDateTime.ofInstant(Instant.ofEpochMilli(eventStartTime), ZoneOffset.UTC))
+                .endTime(ZonedDateTime.ofInstant(Instant.ofEpochMilli(eventEndTime), ZoneOffset.UTC))
+                .calendarId(calendarId).build());
+
+        postScheduledEvents(calendarId, events);
+
+        // Update the job to be a member of the group
+        UpdateJobAction.Request jobUpdateRequest = new UpdateJobAction.Request(job.getId(),
+            new JobUpdate.Builder(job.getId()).setGroups(Collections.singletonList(groupName)).build());
+        client().execute(UpdateJobAction.INSTANCE, jobUpdateRequest).actionGet();
+
+        // Wait until the notification that the job was updated is indexed
+        assertBusy(() -> {
+            SearchResponse searchResponse = client().prepareSearch(".ml-notifications")
+                    .setSize(1)
+                    .addSort("timestamp", SortOrder.DESC)
+                    .setQuery(QueryBuilders.boolQuery()
+                            .filter(QueryBuilders.termQuery("job_id", job.getId()))
+                            .filter(QueryBuilders.termQuery("level", "info"))
+                    ).get();
+            SearchHit[] hits = searchResponse.getHits().getHits();
+            assertThat(hits.length, equalTo(1));
+            assertThat(hits[0].getSourceAsMap().get("message"), equalTo("Job updated: [groups]"));
+        });
+
+        // write some more buckets of data that cover the scheduled event period
+        postData(job.getId(), generateData(startTime + bucketCount * bucketSpan.millis(), bucketSpan, 5,
+                bucketIndex -> randomIntBetween(100, 200))
+                .stream().collect(Collectors.joining()));
+        // and close
+        closeJob(job.getId());
+
+        GetBucketsAction.Request getBucketsRequest = new GetBucketsAction.Request(job.getId());
+        List<Bucket> buckets = getBuckets(getBucketsRequest);
+
+        // the first 6 buckets have no events
+        for (int i=0; i<=bucketCount; i++) {
+            assertEquals(0, buckets.get(i).getScheduledEvents().size());
+        }
+        // 7th and 8th buckets have the event but the last one does not
+        assertEquals(1, buckets.get(6).getScheduledEvents().size());
+        assertEquals("Some Event", buckets.get(6).getScheduledEvents().get(0));
+        assertEquals(1, buckets.get(7).getScheduledEvents().size());
+        assertEquals("Some Event", buckets.get(7).getScheduledEvents().get(0));
+        assertEquals(0, buckets.get(8).getScheduledEvents().size());
+    }
+
     private Job.Builder createJob(String jobId, TimeValue bucketSpan) {
         Detector.Builder detector = new Detector.Builder("count", null);
         AnalysisConfig.Builder analysisConfig = new AnalysisConfig.Builder(Collections.singletonList(detector.build()));