ctrlaltdilj commented on code in PR #1020:
URL:
https://github.com/apache/flink-kubernetes-operator/pull/1020#discussion_r2298835783
##########
flink-kubernetes-operator/src/main/java/org/apache/flink/kubernetes/operator/autoscaler/AutoscalerFactory.java:
##########
@@ -22,31 +22,59 @@
import org.apache.flink.autoscaler.RestApiMetricsCollector;
import org.apache.flink.autoscaler.ScalingExecutor;
import org.apache.flink.autoscaler.ScalingMetricEvaluator;
+import org.apache.flink.autoscaler.realizer.FlinkAutoscalerScalingRealizer;
+import org.apache.flink.autoscaler.realizer.ScalingRealizer;
import org.apache.flink.kubernetes.operator.autoscaler.state.ConfigMapStore;
import
org.apache.flink.kubernetes.operator.autoscaler.state.KubernetesAutoScalerStateStore;
+import org.apache.flink.kubernetes.operator.config.FlinkConfigManager;
import org.apache.flink.kubernetes.operator.resources.ClusterResourceManager;
import org.apache.flink.kubernetes.operator.utils.EventRecorder;
+import org.apache.flink.kubernetes.operator.utils.PluginDiscoveryUtils;
import io.fabric8.kubernetes.client.KubernetesClient;
import io.javaoperatorsdk.operator.processing.event.ResourceID;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.Set;
/** The factory of {@link JobAutoScaler}. */
public class AutoscalerFactory {
+ private static Logger LOG =
LoggerFactory.getLogger(AutoscalerFactory.class);
+
public static JobAutoScaler<ResourceID, KubernetesJobAutoScalerContext>
create(
KubernetesClient client,
EventRecorder eventRecorder,
- ClusterResourceManager clusterResourceManager) {
+ ClusterResourceManager clusterResourceManager,
+ FlinkConfigManager configManager) {
var stateStore = new KubernetesAutoScalerStateStore(new
ConfigMapStore(client));
var eventHandler = new KubernetesAutoScalerEventHandler(eventRecorder);
+ Set<FlinkAutoscalerScalingRealizer> flinkAutoscalerScalingRealizers =
+ PluginDiscoveryUtils.discoverResources(
+ configManager, FlinkAutoscalerScalingRealizer.class);
+
+ flinkAutoscalerScalingRealizers.forEach(
+ realizer -> {
+ LOG.info(
+ "Discovered resource from plugin directory {}",
+ realizer.getClass().getName());
+ });
+
+ ScalingRealizer scalingRealizer = new KubernetesScalingRealizer();
+
+ if (!flinkAutoscalerScalingRealizers.isEmpty()) {
+ scalingRealizer =
flinkAutoscalerScalingRealizers.stream().findFirst().get();
Review Comment:
this assumes 1 scaling realizer, I'll harden this
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