[plugin/apm-data]Fallback to ILM for non-dsl-only mode if DSL unavailable (#112759)

Author: lahsivjar

test/framework/src/main/java/org/elasticsearch/test/ClusterServiceUtils.java

@@ -121,7 +121,20 @@ public static ClusterService createClusterService(ThreadPool threadPool, Cluster
     }
 
     public static ClusterService createClusterService(ThreadPool threadPool, DiscoveryNode localNode, ClusterSettings clusterSettings) {
-        Settings settings = Settings.builder().put("node.name", "test").put("cluster.name", "ClusterServiceTests").build();
+        return createClusterService(threadPool, localNode, Settings.EMPTY, clusterSettings);
+    }
+
+    public static ClusterService createClusterService(
+        ThreadPool threadPool,
+        DiscoveryNode localNode,
+        Settings providedSettings,
+        ClusterSettings clusterSettings
+    ) {
+        Settings settings = Settings.builder()
+            .put("node.name", "test")
+            .put("cluster.name", "ClusterServiceTests")
+            .put(providedSettings)
+            .build();
         ClusterService clusterService = new ClusterService(
             settings,
             clusterSettings,

x-pack/plugin/apm-data/src/main/java/org/elasticsearch/xpack/apmdata/APMIndexTemplateRegistry.java

@@ -16,6 +16,9 @@
 import org.elasticsearch.xpack.core.ClientHelper;
 import org.elasticsearch.xpack.core.template.YamlTemplateRegistry;
 
+import java.util.function.Predicate;
+
+import static org.elasticsearch.cluster.metadata.DataStreamLifecycle.isDataStreamsLifecycleOnlyMode;
 import static org.elasticsearch.xpack.apmdata.APMPlugin.APM_DATA_REGISTRY_ENABLED;
 
 /**
@@ -33,7 +36,15 @@ public APMIndexTemplateRegistry(
         NamedXContentRegistry xContentRegistry,
         FeatureService featureService
     ) {
-        super(nodeSettings, clusterService, threadPool, client, xContentRegistry, featureService);
+        super(
+            nodeSettings,
+            clusterService,
+            threadPool,
+            client,
+            xContentRegistry,
+            featureService,
+            templateFilter(isDataStreamsLifecycleOnlyMode(clusterService.getSettings()))
+        );
     }
 
     @Override
@@ -58,4 +69,9 @@ protected String getVersionProperty() {
     protected String getOrigin() {
         return ClientHelper.APM_ORIGIN;
     }
+
+    private static Predicate<String> templateFilter(boolean dslOnlyMode) {
+        // Load ILM files only when the server supports ILM i.e. dsl-only-mode is false
+        return templateName -> dslOnlyMode == false || templateName.endsWith("@ilm") == false;
+    }
 }

x-pack/plugin/apm-data/src/main/resources/component-templates/[email protected]

@@ -0,0 +1,11 @@
+---
+version: ${xpack.apmdata.template.version}
+_meta:
+  description: Fallback to ILM policy for logs-apm.app if data stream lifecycle not defined
+  managed: true
+template:
+  settings:
+    index:
+      lifecycle:
+        name: logs-apm.app_logs-default_policy
+        prefer_ilm: false

x-pack/plugin/apm-data/src/main/resources/component-templates/[email protected]

@@ -0,0 +1,11 @@
+---
+version: ${xpack.apmdata.template.version}
+_meta:
+  description: Fallback to ILM policy for logs-apm.error if data stream lifecycle not defined
+  managed: true
+template:
+  settings:
+    index:
+      lifecycle:
+        name: logs-apm.error_logs-default_policy
+        prefer_ilm: false

x-pack/plugin/apm-data/src/main/resources/component-templates/[email protected]

@@ -0,0 +1,11 @@
+---
+version: ${xpack.apmdata.template.version}
+_meta:
+  description: Fallback to ILM policy for metrics-apm.app if data stream lifecycle not defined
+  managed: true
+template:
+  settings:
+    index:
+      lifecycle:
+        name: metrics-apm.app_metrics-default_policy
+        prefer_ilm: false

x-pack/plugin/apm-data/src/main/resources/component-templates/[email protected]

@@ -0,0 +1,11 @@
+---
+version: ${xpack.apmdata.template.version}
+_meta:
+  description: Fallback to ILM policy for metrics-apm.internal if data stream lifecycle not defined
+  managed: true
+template:
+  settings:
+    index:
+      lifecycle:
+        name: metrics-apm.internal_metrics-default_policy
+        prefer_ilm: false

x-pack/plugin/apm-data/src/main/resources/component-templates/[email protected]

@@ -0,0 +1,11 @@
+---
+version: ${xpack.apmdata.template.version}
+_meta:
+  description: Fallback to ILM policy for metrics-apm.service_destination.10m if data stream lifecycle not defined
+  managed: true
+template:
+  settings:
+    index:
+      lifecycle:
+        name: metrics-apm.service_destination_10m_metrics-default_policy
+        prefer_ilm: false

x-pack/plugin/apm-data/src/main/resources/component-templates/[email protected]

@@ -0,0 +1,11 @@
+---
+version: ${xpack.apmdata.template.version}
+_meta:
+  description: Fallback to ILM policy for metrics-apm.service_destination.1m if data stream lifecycle not defined
+  managed: true
+template:
+  settings:
+    index:
+      lifecycle:
+        name: metrics-apm.service_destination_1m_metrics-default_policy
+        prefer_ilm: false

x-pack/plugin/apm-data/src/main/resources/component-templates/[email protected]

@@ -0,0 +1,11 @@
+---
+version: ${xpack.apmdata.template.version}
+_meta:
+  description: Fallback to ILM policy for metrics-apm.service_destination.60m if data stream lifecycle not defined
+  managed: true
+template:
+  settings:
+    index:
+      lifecycle:
+        name: metrics-apm.service_destination_60m_metrics-default_policy
+        prefer_ilm: false

x-pack/plugin/apm-data/src/main/resources/component-templates/[email protected]

@@ -0,0 +1,11 @@
+---
+version: ${xpack.apmdata.template.version}
+_meta:
+  description: Fallback to ILM policy for metrics-apm.service_summary.10m if data stream lifecycle not defined
+  managed: true
+template:
+  settings:
+    index:
+      lifecycle:
+        name: metrics-apm.service_summary_10m_metrics-default_policy
+        prefer_ilm: false