LookUpServicewithFilter.java - AWS Code Sample


LookUpServiceFilter.java helps to lookup a service with filter from AWS Cloud Map

// Copyright 2010-2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. // // This file is licensed under the Apache License, Version 2.0 (the "License"). // You may not use this file except in compliance with the License. A copy of // the License is located at // // http://aws.amazon.com/apache2.0/ // // This file 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 aws.example.cloudmap; import java.util.HashMap; import java.util.Map; import com.amazonaws.AmazonClientException; import com.amazonaws.auth.AWSCredentials; import com.amazonaws.auth.AWSStaticCredentialsProvider; import com.amazonaws.auth.profile.ProfileCredentialsProvider; import com.amazonaws.services.servicediscovery.AWSServiceDiscovery; import com.amazonaws.services.servicediscovery.AWSServiceDiscoveryClientBuilder; import com.amazonaws.services.servicediscovery.model.DiscoverInstancesRequest; public class LookUpServicewithFilter { public static void main(String args[]) throws Exception { AWSCredentials credentials = null; try { credentials = new ProfileCredentialsProvider().getCredentials(); }catch(Exception e) { throw new AmazonClientException("Cannot Load credentials"); } AWSServiceDiscovery client = AWSServiceDiscoveryClientBuilder .standard() .withCredentials(new AWSStaticCredentialsProvider(credentials)) .withRegion("us-east-1") .build(); DiscoverInstancesRequest direquest = new DiscoverInstancesRequest(); direquest.setNamespaceName("my-apps"); direquest.setServiceName("frontend"); //Use a filter to retrieve the service based on environment and version Map<String,String> filtermap = new HashMap<String,String>(); filtermap.put("Stage", "Dev"); //Stage - key of the custom attribute, Dev - value of the custom attribute filtermap.put("Version", "01");//Version - key of the custom attribute, 01 - value of the custom attribute direquest.setQueryParameters(filtermap); System.out.println(client.discoverInstances(direquest)); } }

Sample Details

Service: cloudmap

Last tested: 2019-04-19

Author: rajib76

Type: full-example