refactor(aws): Groovy -> Java DeleteAmazonLaunchConfigurationAtomicOp… (

#4876)

Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>

clouddriver-aws/src/main/groovy/com/netflix/spinnaker/clouddriver/aws/deploy/ops/DeleteAmazonLaunchConfigurationAtomicOperation.java

@@ -0,0 +1,90 @@
+/*
+ * Copyright 2020 Netflix, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.netflix.spinnaker.clouddriver.aws.deploy.ops;
+
+import com.amazonaws.services.autoscaling.AmazonAutoScaling;
+import com.amazonaws.services.autoscaling.model.AmazonAutoScalingException;
+import com.amazonaws.services.autoscaling.model.DeleteLaunchConfigurationRequest;
+import com.netflix.spinnaker.clouddriver.aws.deploy.description.DeleteAmazonLaunchConfigurationDescription;
+import com.netflix.spinnaker.clouddriver.aws.security.AmazonClientProvider;
+import com.netflix.spinnaker.clouddriver.aws.security.NetflixAmazonCredentials;
+import com.netflix.spinnaker.clouddriver.data.task.Task;
+import com.netflix.spinnaker.clouddriver.data.task.TaskRepository;
+import com.netflix.spinnaker.clouddriver.orchestration.AtomicOperation;
+import com.netflix.spinnaker.kork.core.RetrySupport;
+import com.netflix.spinnaker.kork.exceptions.IntegrationException;
+import java.time.Duration;
+import java.util.List;
+import org.springframework.beans.factory.annotation.Autowired;
+
+public class DeleteAmazonLaunchConfigurationAtomicOperation implements AtomicOperation<Void> {
+  private static final String BASE_PHASE = "DELETE_LAUNCH_CONFIGURATION";
+
+  private static Task getTask() {
+    return TaskRepository.threadLocalTask.get();
+  }
+
+  @Autowired private AmazonClientProvider amazonClientProvider;
+  @Autowired private RetrySupport retrySupport;
+
+  private final DeleteAmazonLaunchConfigurationDescription description;
+
+  public DeleteAmazonLaunchConfigurationAtomicOperation(
+      DeleteAmazonLaunchConfigurationDescription description) {
+    this.description = description;
+  }
+
+  @Override
+  public Void operate(List<Void> priorOutputs) {
+    final String region = description.getRegion();
+    final NetflixAmazonCredentials credentials = description.getCredentials();
+    final String launchConfigurationName = description.getLaunchConfigurationName();
+
+    final AmazonAutoScaling autoScaling =
+        amazonClientProvider.getAutoScaling(credentials, region, true);
+    getTask()
+        .updateStatus(
+            BASE_PHASE, "Deleting launch config " + launchConfigurationName + " in " + region);
+
+    retrySupport.retry(
+        () -> deleteLaunchConfiguration(launchConfigurationName, autoScaling),
+        5,
+        Duration.ofSeconds(1),
+        true);
+    getTask()
+        .updateStatus(
+            BASE_PHASE,
+            "Finished Delete Launch Config operation for " + launchConfigurationName + "");
+    return null;
+  }
+
+  private Boolean deleteLaunchConfiguration(
+      String launchConfigurationName, AmazonAutoScaling autoScaling) {
+    try {
+      autoScaling.deleteLaunchConfiguration(
+          new DeleteLaunchConfigurationRequest()
+              .withLaunchConfigurationName(launchConfigurationName));
+      return true;
+    } catch (AmazonAutoScalingException e) {
+      if (!e.getMessage().toLowerCase().contains("launch configuration name not found")) {
+        throw new IntegrationException(e).setRetryable(true);
+      }
+    }
+
+    return false;
+  }
+}