container-disc/src/main/java/com/yahoo/container/jdisc/athenz/AthenzService.java


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package com.yahoo.container.jdisc.athenz;

import com.fasterxml.jackson.databind.ObjectMapper;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpUriRequest;
import org.apache.http.client.methods.RequestBuilder;
import org.apache.http.entity.ContentType;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClientBuilder;
import org.apache.http.util.EntityUtils;
import org.eclipse.jetty.http.HttpStatus;

import java.io.IOException;

/**
 * @author mortent
 */
public class AthenzService {

    /**
     * Send instance register request to ZTS, get InstanceIdentity
     *
     * @param instanceRegisterInformation
     */
     InstanceIdentity sendInstanceRegisterRequest(InstanceRegisterInformation instanceRegisterInformation, String athenzUrl) {
        try(CloseableHttpClient client = HttpClientBuilder.create().build()) {
            ObjectMapper objectMapper = new ObjectMapper();
            System.out.println(objectMapper.writeValueAsString(instanceRegisterInformation));
            HttpUriRequest postRequest = RequestBuilder.post()
                    .setUri(athenzUrl + "/instance")
                    .setEntity(new StringEntity(objectMapper.writeValueAsString(instanceRegisterInformation), ContentType.APPLICATION_JSON))
                    .build();
            CloseableHttpResponse response = client.execute(postRequest);
            if(HttpStatus.isSuccess(response.getStatusLine().getStatusCode())) {
                return objectMapper.readValue(response.getEntity().getContent(), InstanceIdentity.class);
            } else {
                String s = EntityUtils.toString(response.getEntity());
                System.out.println("s = " + s);
                throw new RuntimeException(response.toString());
            }
        } catch (IOException e) {
            throw new RuntimeException(e);
        }
    }
}