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feat: Add sample for asymmetric autoscaling instances
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105 changes: 105 additions & 0 deletions
105
...c/main/java/com/example/spanner/CreateInstanceWithAsymmetricAutoscalingConfigExample.java
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| /* | ||
| * Copyright 2024 Google LLC | ||
| * | ||
| * 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. | ||
| */ | ||
|
|
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| package com.example.spanner; | ||
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| // [START spanner_create_instance_with_asymmetric_autoscaling_config] | ||
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| import com.google.cloud.spanner.Spanner; | ||
| import com.google.cloud.spanner.SpannerOptions; | ||
| import com.google.cloud.spanner.admin.instance.v1.InstanceAdminClient; | ||
| import com.google.spanner.admin.instance.v1.AutoscalingConfig; | ||
| import com.google.spanner.admin.instance.v1.CreateInstanceRequest; | ||
| import com.google.spanner.admin.instance.v1.Instance; | ||
| import com.google.spanner.admin.instance.v1.InstanceConfigName; | ||
| import com.google.spanner.admin.instance.v1.ProjectName; | ||
| import com.google.spanner.admin.instance.v1.ReplicaSelection; | ||
| import java.util.concurrent.ExecutionException; | ||
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| class CreateInstanceWithAsymmetricAutoscalingConfigExample { | ||
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| static void createInstance() { | ||
| // TODO(developer): Replace these variables before running the sample. | ||
| String projectId = "my-project"; | ||
| String instanceId = "my-instance"; | ||
| createInstance(projectId, instanceId); | ||
| } | ||
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| static void createInstance(String projectId, String instanceId) { | ||
| try (Spanner spanner = | ||
| SpannerOptions.newBuilder() | ||
| .setProjectId(projectId) | ||
| .build() | ||
| .getService(); | ||
| InstanceAdminClient instanceAdminClient = spanner.createInstanceAdminClient()) { | ||
| // Set Instance configuration. | ||
| String configId = "nam-eur-asia3"; | ||
| String displayName = "Descriptive name"; | ||
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| // Create an autoscaling config. | ||
| // When autoscaling_config is enabled, node_count and processing_units fields | ||
| // need not be specified. | ||
| // The read-only replicas listed in the asymmetric autoscaling options scale independently | ||
| // from other replicas. | ||
| AutoscalingConfig autoscalingConfig = | ||
| AutoscalingConfig.newBuilder() | ||
| .setAutoscalingLimits( | ||
| AutoscalingConfig.AutoscalingLimits.newBuilder().setMinNodes(1).setMaxNodes(2)) | ||
| .setAutoscalingTargets( | ||
| AutoscalingConfig.AutoscalingTargets.newBuilder() | ||
| .setHighPriorityCpuUtilizationPercent(65) | ||
| .setStorageUtilizationPercent(95)) | ||
| .addAsymmetricAutoscalingOption( | ||
| AutoscalingConfig.AsymmetricAutoscalingOption.newBuilder() | ||
| .setReplicaSelection(ReplicaSelection.newBuilder().setLocation("europe-west1"))) | ||
| .addAsymmetricAutoscalingOption( | ||
| AutoscalingConfig.AsymmetricAutoscalingOption.newBuilder() | ||
| .setReplicaSelection(ReplicaSelection.newBuilder().setLocation("europe-west4"))) | ||
| .addAsymmetricAutoscalingOption( | ||
| AutoscalingConfig.AsymmetricAutoscalingOption.newBuilder() | ||
| .setReplicaSelection(ReplicaSelection.newBuilder().setLocation("asia-east1"))) | ||
| .build(); | ||
| Instance instance = | ||
| Instance.newBuilder() | ||
| .setAutoscalingConfig(autoscalingConfig) | ||
| .setDisplayName(displayName) | ||
| .setConfig( | ||
| InstanceConfigName.of(projectId, configId).toString()) | ||
| .build(); | ||
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| // Creates a new instance | ||
| System.out.printf("Creating instance %s.%n", instanceId); | ||
| try { | ||
| // Wait for the createInstance operation to finish. | ||
| Instance instanceResult = instanceAdminClient.createInstanceAsync( | ||
| CreateInstanceRequest.newBuilder() | ||
| .setParent(ProjectName.of(projectId).toString()) | ||
| .setInstanceId(instanceId) | ||
| .setInstance(instance) | ||
| .build()).get(); | ||
| System.out.printf("Autoscaler instance %s was successfully created%n", | ||
| instanceResult.getName()); | ||
| } catch (ExecutionException e) { | ||
| System.out.printf( | ||
| "Error: Creating instance %s failed with error message %s%n", | ||
| instance.getName(), e.getMessage()); | ||
| } catch (InterruptedException e) { | ||
| System.out.println("Error: Waiting for createInstance operation to finish was interrupted"); | ||
| } | ||
| } | ||
| } | ||
| } | ||
| // [END spanner_create_instance_with_asymmetric_autoscaling_config] |
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.../test/java/com/example/spanner/CreateInstanceWithAsymmetricAutoscalingConfigSampleIT.java
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| /* | ||
| * Copyright 2024 Google LLC | ||
| * | ||
| * 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. | ||
| */ | ||
|
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| package com.example.spanner; | ||
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| import static com.google.common.truth.Truth.assertThat; | ||
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| import com.google.spanner.admin.database.v1.InstanceName; | ||
| import org.junit.Test; | ||
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| public class CreateInstanceWithAsymmetricAutoscalingConfigSampleIT extends SampleTestBaseV2 { | ||
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| @Test | ||
| public void testCreateInstanceWithAsymmetricAutoscalingConfig() throws Exception { | ||
| String instanceId = idGenerator.generateInstanceId(); | ||
| String out = | ||
| SampleRunner.runSample( | ||
| () -> CreateInstanceWithAsymmetricAutoscalingConfigExample.createInstance(projectId, instanceId)); | ||
| assertThat(out) | ||
| .contains(String.format("Asymmetric Autoscaling instance %s", | ||
| InstanceName.of(projectId, instanceId).toString())); | ||
| } | ||
| } |