[7.x] [ML][Data Frame] Adding bwc tests for pivot transform (#43506) (#43929)

* [ML][Data Frame] Adding bwc tests for pivot transform (#43506)

* [ML][Data Frame] Adding bwc tests for pivot transform

* adding continuous transforms

* adding continuous dataframes to bwc

* adding continuous data frame tests

* Adding rolling upgrade tests for continuous df

* Fixing test

* Adjusting indices used in BWC, and handling NPE for seq_no_stats

* updating and muting specific bwc test

* Adjusting bwc tests for backport

x-pack/plugin/data-frame/src/main/java/org/elasticsearch/xpack/dataframe/checkpoint/DataFrameTransformsCheckpointService.java

@@ -15,6 +15,8 @@ import org.elasticsearch.action.admin.indices.stats.IndicesStatsAction;
 import org.elasticsearch.action.admin.indices.stats.IndicesStatsRequest;
 import org.elasticsearch.action.admin.indices.stats.ShardStats;
 import org.elasticsearch.client.Client;
+import org.elasticsearch.common.Strings;
+import org.elasticsearch.index.seqno.SeqNoStats;
 import org.elasticsearch.xpack.core.ClientHelper;
 import org.elasticsearch.xpack.core.dataframe.transforms.DataFrameTransformCheckpoint;
 import org.elasticsearch.xpack.core.dataframe.transforms.DataFrameTransformCheckpointStats;
@@ -222,6 +224,16 @@ public class DataFrameTransformsCheckpointService {
         for (ShardStats shard : shards) {
             String indexName = shard.getShardRouting().getIndexName();
             if (userIndices.contains(indexName)) {
+                SeqNoStats seqNoStats = shard.getSeqNoStats();
+                // SeqNoStats could be `null`. This indicates that an `AlreadyClosed` exception was thrown somewhere down the stack
+                // Indicates that the index COULD be closed, or at least that the shard is not fully recovered yet.
+                if (seqNoStats == null) {
+                    logger.warn("failure gathering checkpoint information for index [{}] as seq_no_stats were null. Shard Stats [{}]",
+                        indexName,
+                        Strings.toString(shard));
+                    throw new CheckpointException(
+                        "Unable to gather checkpoint information for index [" + indexName + "]. seq_no_stats are missing.");
+                }
                 if (checkpointsByIndex.containsKey(indexName)) {
                     // we have already seen this index, just check/add shards
                     TreeMap<Integer, Long> checkpoints = checkpointsByIndex.get(indexName);

x-pack/qa/rolling-upgrade/build.gradle

@@ -168,6 +168,12 @@ for (Version version : bwcVersions.wireCompatible) {
     oldClusterTestRunner.configure {
         systemProperty 'tests.rest.suite', 'old_cluster'
         systemProperty 'tests.upgrade_from_version', version.toString().replace('-SNAPSHOT', '')
+        // Dataframe transforms were not added until 7.2.0
+        if (version.before('7.2.0')) {
+            systemProperty 'tests.rest.blacklist', [
+                    'old_cluster/80_data_frame_jobs_crud/Test put batch data frame transforms on old cluster'
+            ].join(',')
+        }
     }
 
     Closure configureUpgradeCluster = {String name, Task lastRunner, int stopNode, Closure getOtherUnicastHostAddresses ->
@@ -227,12 +233,18 @@ for (Version version : bwcVersions.wireCompatible) {
         systemProperty 'tests.first_round', 'true'
         systemProperty 'tests.upgrade_from_version', version.toString().replace('-SNAPSHOT', '')
         // We only need to run these tests once so we may as well do it when we're two thirds upgraded
-        systemProperty 'tests.rest.blacklist', [
+        def toBlackList = [
                 'mixed_cluster/10_basic/Start scroll in mixed cluster on upgraded node that we will continue after upgrade',
                 'mixed_cluster/30_ml_jobs_crud/Create a job in the mixed cluster and write some data',
                 'mixed_cluster/40_ml_datafeed_crud/Put job and datafeed without aggs in mixed cluster',
-            'mixed_cluster/40_ml_datafeed_crud/Put job and datafeed with aggs in mixed cluster'
-        ].join(',')
+                'mixed_cluster/40_ml_datafeed_crud/Put job and datafeed with aggs in mixed cluster',
+                'mixed_cluster/80_data_frame_jobs_crud/Test put batch data frame transforms on mixed cluster'
+        ]
+        // Dataframe transforms were not added until 7.2.0
+        if (version.before('7.2.0')) {
+            toBlackList << 'mixed_cluster/80_data_frame_jobs_crud/Test GET, start, and stop old cluster batch transforms'
+        }
+        systemProperty 'tests.rest.blacklist', toBlackList.join(',')
         finalizedBy "${baseName}#oldClusterTestCluster#node1.stop"
     }
 
@@ -248,6 +260,14 @@ for (Version version : bwcVersions.wireCompatible) {
         systemProperty 'tests.first_round', 'false'
         systemProperty 'tests.upgrade_from_version', version.toString().replace('-SNAPSHOT', '')
         finalizedBy "${baseName}#oldClusterTestCluster#node2.stop"
+        // Dataframe transforms were not added until 7.2.0
+        if (version.before('7.2.0')) {
+            systemProperty 'tests.rest.blacklist', [
+                    'mixed_cluster/80_data_frame_jobs_crud/Test put batch data frame transforms on mixed cluster',
+                    'mixed_cluster/80_data_frame_jobs_crud/Test GET, start, and stop old cluster batch transforms'
+
+            ].join(',')
+        }
     }
 
     Task upgradedClusterTest = tasks.create(name: "${baseName}#upgradedClusterTest", type: RestIntegTestTask)
@@ -272,12 +292,20 @@ for (Version version : bwcVersions.wireCompatible) {
         // otherwise we could check the index created version
         String versionStr = project.extensions.findByName("${baseName}#oldClusterTestCluster").properties.get('bwcVersion')
         String[] versionParts = versionStr.split('\\.')
+        def toBlackList = []
         if (versionParts[0].equals("5")) {
             Integer minor = Integer.parseInt(versionParts[1])
             if (minor >= 2) {
-                systemProperty 'tests.rest.blacklist', '/20_security/Verify default password migration results in upgraded cluster'
+                toBlackList << '/20_security/Verify default password migration results in upgraded cluster'
             }
         }
+        // Dataframe transforms were not added until 7.2.0
+        if (version.before('7.2.0')) {
+            toBlackList << 'upgraded_cluster/80_data_frame_jobs_crud/Get start, stop, and delete old and mixed cluster batch data frame transforms'
+        }
+        if (!toBlackList.empty) {
+            systemProperty 'tests.rest.blacklist', toBlackList.join(',')
+        }
     }
 
     Task versionBwcTest = tasks.create(name: "${baseName}#bwcTest") {

x-pack/qa/rolling-upgrade/src/test/resources/rest-api-spec/test/mixed_cluster/80_data_frame_jobs_crud.yml

@@ -0,0 +1,182 @@
+---
+"Test put batch data frame transforms on mixed cluster":
+  - do:
+      cluster.health:
+        index: "dataframe-transform-airline-data"
+        wait_for_status: green
+        timeout: 70s
+
+  - do:
+      data_frame.put_data_frame_transform:
+        transform_id: "mixed-simple-transform"
+        body: >
+          {
+            "source": { "index": "dataframe-transform-airline-data" },
+            "dest": { "index": "mixed-simple-transform-idx" },
+            "pivot": {
+              "group_by": { "airline": {"terms": {"field": "airline"}}},
+              "aggs": {"avg_response": {"avg": {"field": "responsetime"}}}
+            }
+          }
+  - match: { acknowledged: true }
+
+  - do:
+      data_frame.start_data_frame_transform:
+        transform_id: "mixed-simple-transform"
+  - match: { acknowledged: true }
+  - do:
+      data_frame.get_data_frame_transform_stats:
+        transform_id: "mixed-simple-transform"
+  - match: { count: 1 }
+  - match: { transforms.0.id: "mixed-simple-transform" }
+  - match: { transforms.0.state.task_state: "/started|stopped/" }
+
+  - do:
+      data_frame.stop_data_frame_transform:
+        transform_id: "mixed-simple-transform"
+        wait_for_completion: true
+  - match: { acknowledged: true }
+
+  - do:
+      data_frame.get_data_frame_transform_stats:
+        transform_id: "mixed-simple-transform"
+  - match: { count: 1 }
+  - match: { transforms.0.id: "mixed-simple-transform" }
+  - match: { transforms.0.state.indexer_state: "stopped" }
+  - match: { transforms.0.state.task_state: "stopped" }
+
+  - do:
+      data_frame.put_data_frame_transform:
+        transform_id: "mixed-complex-transform"
+        body: >
+          {
+            "source": {
+              "index": "dataframe-transform-airline-data",
+              "query": {
+                "bool": {
+                  "filter": {"term": {"airline": "ElasticAir"}}
+                }
+              }
+            },
+            "dest": {
+              "index": "mixed-complex-transform-idx"
+            },
+            "pivot": {
+              "group_by": {
+                "airline": {"terms": {"field": "airline"}},
+                "day": {"date_histogram": {"field": "timestamp", "calendar_interval": "1d"}},
+                "every_50": {"histogram": {"field": "responsetime", "interval": 50}}
+              },
+              "aggs": {"avg_response": {"avg": {"field": "responsetime"}}}
+            }
+          }
+  - match: { acknowledged: true }
+
+  - do:
+      data_frame.get_data_frame_transform:
+        transform_id: "mixed-complex-transform"
+  - match: { count: 1 }
+  - match: { transforms.0.id: "mixed-complex-transform" }
+
+  - do:
+      data_frame.start_data_frame_transform:
+        transform_id: "mixed-complex-transform"
+  - match: { acknowledged: true }
+  - do:
+      data_frame.get_data_frame_transform_stats:
+        transform_id: "mixed-complex-transform"
+  - match: { count: 1 }
+  - match: { transforms.0.id: "mixed-complex-transform" }
+  - match: { transforms.0.state.task_state: "/started|stopped/" }
+
+  - do:
+      data_frame.stop_data_frame_transform:
+        transform_id: "mixed-complex-transform"
+        wait_for_completion: true
+  - match: { acknowledged: true }
+
+  - do:
+      data_frame.get_data_frame_transform_stats:
+        transform_id: "mixed-complex-transform"
+  - match: { count: 1 }
+  - match: { transforms.0.id: "mixed-complex-transform" }
+  - match: { transforms.0.state.indexer_state: "stopped" }
+  - match: { transforms.0.state.task_state: "stopped" }
+
+---
+"Test GET, start, and stop old cluster batch transforms":
+  - do:
+      cluster.health:
+        index: "dataframe-transform-airline-data"
+        wait_for_status: green
+        timeout: 70s
+
+  - do:
+      data_frame.get_data_frame_transform:
+        transform_id: "old-simple-transform"
+  - match: { count: 1 }
+  - match: { transforms.0.id: "old-simple-transform" }
+  - match: { transforms.0.source.index.0: "dataframe-transform-airline-data" }
+  - match: { transforms.0.dest.index: "old-simple-transform-idx" }
+  - match: { transforms.0.pivot.group_by.airline.terms.field: "airline" }
+  - match: { transforms.0.pivot.aggregations.avg_response.avg.field: "responsetime" }
+
+  - do:
+      data_frame.start_data_frame_transform:
+        transform_id: "old-simple-transform"
+  - match: { acknowledged: true }
+  - do:
+      data_frame.get_data_frame_transform_stats:
+        transform_id: "old-simple-transform"
+  - match: { count: 1 }
+  - match: { transforms.0.id: "old-simple-transform" }
+  - match: { transforms.0.state.task_state: "/started|stopped/" }
+
+  - do:
+      data_frame.stop_data_frame_transform:
+        transform_id: "old-simple-transform"
+        wait_for_completion: true
+  - match: { acknowledged: true }
+  - do:
+      data_frame.get_data_frame_transform_stats:
+        transform_id: "old-simple-transform"
+  - match: { count: 1 }
+  - match: { transforms.0.id: "old-simple-transform" }
+  - match: { transforms.0.state.indexer_state: "stopped" }
+  - match: { transforms.0.state.task_state: "stopped" }
+
+  - do:
+      data_frame.get_data_frame_transform:
+        transform_id: "old-complex-transform"
+  - match: { count: 1 }
+  - match: { transforms.0.id: "old-complex-transform" }
+  - match: { transforms.0.source.index.0: "dataframe-transform-airline-data" }
+  - match: { transforms.0.dest.index: "old-complex-transform-idx" }
+  - match: { transforms.0.pivot.group_by.airline.terms.field: "airline" }
+  - match: { transforms.0.pivot.group_by.day.date_histogram.field: "timestamp" }
+  - match: { transforms.0.pivot.group_by.every_50.histogram.field: "responsetime" }
+  - match: { transforms.0.pivot.aggregations.avg_response.avg.field: "responsetime" }
+
+  - do:
+      data_frame.start_data_frame_transform:
+        transform_id: "old-complex-transform"
+  - match: { acknowledged: true }
+  - do:
+      data_frame.get_data_frame_transform_stats:
+        transform_id: "old-complex-transform"
+  - match: { count: 1 }
+  - match: { transforms.0.id: "old-complex-transform" }
+  - match: { transforms.0.state.task_state: "/started|stopped/" }
+
+  - do:
+      data_frame.stop_data_frame_transform:
+        transform_id: "old-complex-transform"
+        wait_for_completion: true
+  - match: { acknowledged: true }
+  - do:
+      data_frame.get_data_frame_transform_stats:
+        transform_id: "old-complex-transform"
+  - match: { count: 1 }
+  - match: { transforms.0.id: "old-complex-transform" }
+  - match: { transforms.0.state.indexer_state: "stopped" }
+  - match: { transforms.0.state.task_state: "stopped" }

x-pack/qa/rolling-upgrade/src/test/resources/rest-api-spec/test/old_cluster/80_data_frame_jobs_crud.yml

@@ -0,0 +1,124 @@
+---
+"Test put batch data frame transforms on old cluster":
+  - do:
+      indices.create:
+        index: dataframe-transform-airline-data
+        body:
+          mappings:
+            properties:
+              time:
+                type: date
+              airline:
+                type: keyword
+              responsetime:
+                type: float
+              event_rate:
+                type: integer
+  - do:
+      cluster.health:
+        index: "dataframe-transform-airline-data"
+        wait_for_status: green
+        timeout: 70s
+
+  - do:
+      data_frame.put_data_frame_transform:
+        transform_id: "old-simple-transform"
+        body: >
+          {
+            "source": { "index": "dataframe-transform-airline-data" },
+            "dest": { "index": "old-simple-transform-idx" },
+            "pivot": {
+              "group_by": { "airline": {"terms": {"field": "airline"}}},
+              "aggs": {"avg_response": {"avg": {"field": "responsetime"}}}
+            }
+          }
+  - match: { acknowledged: true }
+
+  - do:
+      data_frame.get_data_frame_transform:
+        transform_id: "old-simple-transform"
+  - match: { count: 1 }
+  - match: { transforms.0.id: "old-simple-transform" }
+
+  - do:
+      data_frame.start_data_frame_transform:
+        transform_id: "old-simple-transform"
+  - match: { acknowledged: true }
+  - do:
+      data_frame.get_data_frame_transform_stats:
+        transform_id: "old-simple-transform"
+  - match: { count: 1 }
+  - match: { transforms.0.id: "old-simple-transform" }
+  - match: { transforms.0.state.task_state: "/started|stopped/" }
+
+  - do:
+      data_frame.stop_data_frame_transform:
+        transform_id: "old-simple-transform"
+        wait_for_completion: true
+  - match: { acknowledged: true }
+
+  - do:
+      data_frame.get_data_frame_transform_stats:
+        transform_id: "old-simple-transform"
+  - match: { count: 1 }
+  - match: { transforms.0.id: "old-simple-transform" }
+  - match: { transforms.0.state.indexer_state: "stopped" }
+  - match: { transforms.0.state.task_state: "stopped" }
+
+  - do:
+      data_frame.put_data_frame_transform:
+        transform_id: "old-complex-transform"
+        body: >
+          {
+            "source": {
+              "index": "dataframe-transform-airline-data",
+              "query": {
+                "bool": {
+                  "filter": {"term": {"airline": "ElasticAir"}}
+                }
+              }
+            },
+            "dest": {
+              "index": "old-complex-transform-idx"
+            },
+            "pivot": {
+              "group_by": {
+                "airline": {"terms": {"field": "airline"}},
+                "day": {"date_histogram": {"field": "timestamp", "calendar_interval": "1d"}},
+                "every_50": {"histogram": {"field": "responsetime", "interval": 50}}
+              },
+              "aggs": {"avg_response": {"avg": {"field": "responsetime"}}}
+            }
+          }
+  - match: { acknowledged: true }
+
+  - do:
+      data_frame.get_data_frame_transform:
+        transform_id: "old-complex-transform"
+  - match: { count: 1 }
+  - match: { transforms.0.id: "old-complex-transform" }
+
+  - do:
+      data_frame.start_data_frame_transform:
+        transform_id: "old-complex-transform"
+  - match: { acknowledged: true }
+  - do:
+      data_frame.get_data_frame_transform_stats:
+        transform_id: "old-complex-transform"
+  - match: { count: 1 }
+  - match: { transforms.0.id: "old-complex-transform" }
+  - match: { transforms.0.state.task_state: "/started|stopped/" }
+
+  - do:
+      data_frame.stop_data_frame_transform:
+        transform_id: "old-complex-transform"
+        wait_for_completion: true
+  - match: { acknowledged: true }
+
+  - do:
+      data_frame.get_data_frame_transform_stats:
+        transform_id: "old-complex-transform"
+  - match: { count: 1 }
+  - match: { transforms.0.id: "old-complex-transform" }
+  - match: { transforms.0.state.indexer_state: "stopped" }
+  - match: { transforms.0.state.task_state: "stopped" }

x-pack/qa/rolling-upgrade/src/test/resources/rest-api-spec/test/upgraded_cluster/80_data_frame_jobs_crud.yml

@@ -0,0 +1,163 @@
+setup:
+  - do:
+      cluster.health:
+        wait_for_status: green
+        wait_for_nodes: 3
+        # wait for long enough that we give delayed unassigned shards to stop being delayed
+        timeout: 70s
+---
+"Get start, stop, and delete old and mixed cluster batch data frame transforms":
+  # Simple and complex OLD transforms
+  - do:
+      data_frame.get_data_frame_transform:
+        transform_id: "old-simple-transform"
+  - match: { count: 1 }
+  - match: { transforms.0.id: "old-simple-transform" }
+  - match: { transforms.0.source.index.0: "dataframe-transform-airline-data" }
+  - match: { transforms.0.dest.index: "old-simple-transform-idx" }
+  - match: { transforms.0.pivot.group_by.airline.terms.field: "airline" }
+  - match: { transforms.0.pivot.aggregations.avg_response.avg.field: "responsetime" }
+
+  - do:
+      data_frame.start_data_frame_transform:
+        transform_id: "old-simple-transform"
+  - match: { acknowledged: true }
+  - do:
+      data_frame.get_data_frame_transform_stats:
+        transform_id: "old-simple-transform"
+  - match: { count: 1 }
+  - match: { transforms.0.id: "old-simple-transform" }
+  - match: { transforms.0.state.task_state: "/started|stopped/" }
+
+  - do:
+      data_frame.stop_data_frame_transform:
+        transform_id: "old-simple-transform"
+        wait_for_completion: true
+  - match: { acknowledged: true }
+  - do:
+      data_frame.get_data_frame_transform_stats:
+        transform_id: "old-simple-transform"
+  - match: { count: 1 }
+  - match: { transforms.0.id: "old-simple-transform" }
+  - match: { transforms.0.state.indexer_state: "stopped" }
+  - match: { transforms.0.state.task_state: "stopped" }
+  - do:
+      data_frame.get_data_frame_transform:
+        transform_id: "old-complex-transform"
+  - match: { count: 1 }
+  - match: { transforms.0.id: "old-complex-transform" }
+  - match: { transforms.0.source.index.0: "dataframe-transform-airline-data" }
+  - match: { transforms.0.dest.index: "old-complex-transform-idx" }
+  - match: { transforms.0.pivot.group_by.airline.terms.field: "airline" }
+  - match: { transforms.0.pivot.group_by.day.date_histogram.field: "timestamp" }
+  - match: { transforms.0.pivot.group_by.every_50.histogram.field: "responsetime" }
+  - match: { transforms.0.pivot.aggregations.avg_response.avg.field: "responsetime" }
+
+  - do:
+      data_frame.start_data_frame_transform:
+        transform_id: "old-complex-transform"
+  - match: { acknowledged: true }
+  - do:
+      data_frame.get_data_frame_transform_stats:
+        transform_id: "old-complex-transform"
+  - match: { count: 1 }
+  - match: { transforms.0.id: "old-complex-transform" }
+  - match: { transforms.0.state.task_state: "/started|stopped/" }
+
+  - do:
+      data_frame.stop_data_frame_transform:
+        transform_id: "old-complex-transform"
+        wait_for_completion: true
+  - match: { acknowledged: true }
+  - do:
+      data_frame.get_data_frame_transform_stats:
+        transform_id: "old-complex-transform"
+  - match: { count: 1 }
+  - match: { transforms.0.id: "old-complex-transform" }
+  - match: { transforms.0.state.indexer_state: "stopped" }
+  - match: { transforms.0.state.task_state: "stopped" }
+
+  # Simple and complex Mixed cluster transforms
+  - do:
+      data_frame.get_data_frame_transform:
+        transform_id: "mixed-simple-transform"
+  - match: { count: 1 }
+  - match: { transforms.0.id: "mixed-simple-transform" }
+  - match: { transforms.0.source.index.0: "dataframe-transform-airline-data" }
+  - match: { transforms.0.dest.index: "mixed-simple-transform-idx" }
+  - match: { transforms.0.pivot.group_by.airline.terms.field: "airline" }
+  - match: { transforms.0.pivot.aggregations.avg_response.avg.field: "responsetime" }
+
+  - do:
+      data_frame.start_data_frame_transform:
+        transform_id: "mixed-simple-transform"
+  - match: { acknowledged: true }
+  - do:
+      data_frame.get_data_frame_transform_stats:
+        transform_id: "mixed-simple-transform"
+  - match: { count: 1 }
+  - match: { transforms.0.id: "mixed-simple-transform" }
+  - match: { transforms.0.state.task_state: "/started|stopped/" }
+
+  - do:
+      data_frame.stop_data_frame_transform:
+        transform_id: "mixed-simple-transform"
+        wait_for_completion: true
+  - match: { acknowledged: true }
+  - do:
+      data_frame.get_data_frame_transform_stats:
+        transform_id: "mixed-simple-transform"
+  - match: { count: 1 }
+  - match: { transforms.0.id: "mixed-simple-transform" }
+  - match: { transforms.0.state.indexer_state: "stopped" }
+  - match: { transforms.0.state.task_state: "stopped" }
+
+  - do:
+      data_frame.get_data_frame_transform:
+        transform_id: "mixed-complex-transform"
+  - match: { count: 1 }
+  - match: { transforms.0.id: "mixed-complex-transform" }
+  - match: { transforms.0.source.index.0: "dataframe-transform-airline-data" }
+  - match: { transforms.0.dest.index: "mixed-complex-transform-idx" }
+  - match: { transforms.0.pivot.group_by.airline.terms.field: "airline" }
+  - match: { transforms.0.pivot.group_by.day.date_histogram.field: "timestamp" }
+  - match: { transforms.0.pivot.group_by.every_50.histogram.field: "responsetime" }
+  - match: { transforms.0.pivot.aggregations.avg_response.avg.field: "responsetime" }
+
+  - do:
+      data_frame.start_data_frame_transform:
+        transform_id: "mixed-complex-transform"
+  - match: { acknowledged: true }
+  - do:
+      data_frame.get_data_frame_transform_stats:
+        transform_id: "mixed-complex-transform"
+  - match: { count: 1 }
+  - match: { transforms.0.id: "mixed-complex-transform" }
+  - match: { transforms.0.state.task_state: "/started|stopped/" }
+
+  - do:
+      data_frame.stop_data_frame_transform:
+        transform_id: "mixed-complex-transform"
+        wait_for_completion: true
+  - match: { acknowledged: true }
+  - do:
+      data_frame.get_data_frame_transform_stats:
+        transform_id: "mixed-complex-transform"
+  - match: { count: 1 }
+  - match: { transforms.0.id: "mixed-complex-transform" }
+  - match: { transforms.0.state.indexer_state: "stopped" }
+  - match: { transforms.0.state.task_state: "stopped" }
+
+# Delete all old and mixed transforms
+  - do:
+      data_frame.delete_data_frame_transform:
+        transform_id: "old-simple-transform"
+
+  - do:
+      data_frame.delete_data_frame_transform:
+        transform_id: "mixed-simple-transform"
+
+  - do:
+      data_frame.get_data_frame_transform_stats:
+        transform_id: "old-simple-transform,mixed-simple-transform"
+  - match: { count: 0 }

x-pack/qa/src/main/java/org/elasticsearch/xpack/test/rest/XPackRestTestConstants.java

@@ -35,6 +35,13 @@ public final class XPackRestTestConstants {
     public static final List<String> ML_POST_V660_TEMPLATES = Collections.unmodifiableList(Arrays.asList(
         AUDITOR_NOTIFICATIONS_INDEX, ML_META_INDEX_NAME, STATE_INDEX_PREFIX, RESULTS_INDEX_PREFIX, CONFIG_INDEX));
 
+    // Data Frame constants:
+    public static final String DATA_FRAME_INTERNAL_INDEX = ".data-frame-internal-1";
+    public static final String DATA_FRAME_NOTIFICATIONS_INDEX = ".data-frame-notifications-1";
+
+    public static final List<String> DATA_FRAME_TEMPLATES =
+        Collections.unmodifiableList(Arrays.asList(DATA_FRAME_INTERNAL_INDEX, DATA_FRAME_NOTIFICATIONS_INDEX));
+
     private XPackRestTestConstants() {
     }
 }