Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
feat: Add java sample for managed autoscaler (#2709)
Add java sample for managed autoscaler. See the support for autoscaler here: https://togithub.com/claire921/java-spanner/pull/1/commits/e5e6923a351670ab237c411bb4a549533dac1b6b.
- Loading branch information
Showing
3 changed files
with
127 additions
and
0 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
84 changes: 84 additions & 0 deletions
84
...nippets/src/main/java/com/example/spanner/CreateInstanceWithAutoscalingConfigExample.java
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,84 @@ | ||
| /* | ||
| * Copyright 2023 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. | ||
| */ | ||
|
|
||
| package com.example.spanner; | ||
|
|
||
| // [START spanner_create_instance_with_autoscaling_config] | ||
|
|
||
| import com.google.api.gax.longrunning.OperationFuture; | ||
| import com.google.cloud.spanner.Instance; | ||
| import com.google.cloud.spanner.InstanceAdminClient; | ||
| import com.google.cloud.spanner.InstanceConfigId; | ||
| import com.google.cloud.spanner.InstanceId; | ||
| import com.google.cloud.spanner.InstanceInfo; | ||
| import com.google.cloud.spanner.Spanner; | ||
| import com.google.cloud.spanner.SpannerOptions; | ||
| import com.google.spanner.admin.instance.v1.AutoscalingConfig; | ||
| import com.google.spanner.admin.instance.v1.CreateInstanceMetadata; | ||
| import java.util.concurrent.ExecutionException; | ||
|
|
||
| class CreateInstanceWithAutoscalingConfigExample { | ||
|
|
||
| static void createInstance() { | ||
| // TODO(developer): Replace these variables before running the sample. | ||
| String projectId = "my-project"; | ||
| String instanceId = "my-instance"; | ||
| createInstance(projectId, instanceId); | ||
| } | ||
|
|
||
| static void createInstance(String projectId, String instanceId) { | ||
| Spanner spanner = SpannerOptions.newBuilder().setProjectId(projectId).build().getService(); | ||
| InstanceAdminClient instanceAdminClient = spanner.getInstanceAdminClient(); | ||
|
|
||
| // Set Instance configuration. | ||
| String configId = "regional-us-central1"; | ||
| // Create an autoscaling config. | ||
| AutoscalingConfig autoscalingConfig = | ||
| AutoscalingConfig.newBuilder() | ||
| .setAutoscalingLimits( | ||
| AutoscalingConfig.AutoscalingLimits.newBuilder().setMinNodes(1).setMaxNodes(2)) | ||
| .setAutoscalingTargets( | ||
| AutoscalingConfig.AutoscalingTargets.newBuilder() | ||
| .setHighPriorityCpuUtilizationPercent(65) | ||
| .setStorageUtilizationPercent(95)) | ||
| .build(); | ||
|
|
||
| // Create an InstanceInfo object that will be used to create the instance. | ||
| InstanceInfo instanceInfo = | ||
| InstanceInfo.newBuilder(InstanceId.of(projectId, instanceId)) | ||
| .setInstanceConfigId(InstanceConfigId.of(projectId, configId)) | ||
| .setAutoscalingConfig(autoscalingConfig) | ||
| .setDisplayName("Descriptive name") | ||
| .build(); | ||
| OperationFuture<Instance, CreateInstanceMetadata> operation = | ||
| instanceAdminClient.createInstance(instanceInfo); | ||
|
|
||
| try { | ||
| // Wait for the createInstance operation to finish. | ||
| Instance instance = operation.get(); | ||
| System.out.printf("Autoscaler instance %s was successfully created%n", instance.getId()); | ||
| } catch (ExecutionException e) { | ||
| System.out.printf( | ||
| "Error: Creating instance %s failed with error message %s%n", | ||
| instanceInfo.getId(), e.getMessage()); | ||
| } catch (InterruptedException e) { | ||
| System.out.println("Error: Waiting for createInstance operation to finish was interrupted"); | ||
| } finally { | ||
| spanner.close(); | ||
| } | ||
| } | ||
| } | ||
| // [END spanner_create_instance_with_autoscaling_config] |
42 changes: 42 additions & 0 deletions
42
...ippets/src/test/java/com/example/spanner/CreateInstanceWithAutoscalingConfigSampleIT.java
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,42 @@ | ||
| /* | ||
| * Copyright 2023 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. | ||
| */ | ||
|
|
||
| package com.example.spanner; | ||
|
|
||
| import static com.google.common.truth.Truth.assertThat; | ||
|
|
||
| import com.google.cloud.spanner.InstanceId; | ||
| import java.util.UUID; | ||
| import org.junit.Test; | ||
|
|
||
| public class CreateInstanceWithAutoscalingConfigSampleIT extends SampleTestBase { | ||
|
|
||
| @Test | ||
| public void testCreateInstanceWithAutoscalingConfig() throws Exception { | ||
| String instanceId = String.format("autoscaler-%s", UUID.randomUUID()); | ||
| String out = | ||
| SampleRunner.runSample( | ||
| () -> { | ||
| try { | ||
| CreateInstanceWithAutoscalingConfigExample.createInstance(projectId, instanceId); | ||
| } finally { | ||
| spanner.getInstanceAdminClient().deleteInstance(instanceId); | ||
| } | ||
| }); | ||
| assertThat(out) | ||
| .contains(String.format("Autoscaler instance %s", InstanceId.of(projectId, instanceId))); | ||
| } | ||
| } |