feature(retrofit): Add exception handler to service factory (spinnake…

…r#1185)

This commit adds the SpinnakerRetrofitErrorHandler to service factories
which allows for clients that rely on service factories to properly have
RetrofitErrors be converted to some Spinnaker*Exception.

Signed-off-by: benjamin-j-powell <bjp@apple.com>
Co-authored-by: benjamin-j-powell <bjp@apple.com>

kork-retrofit/src/main/java/com/netflix/spinnaker/kork/retrofit/RetrofitServiceFactory.java

@@ -25,6 +25,7 @@
 import com.netflix.spinnaker.config.okhttp3.OkHttpClientProvider;
 import com.netflix.spinnaker.kork.annotations.NonnullByDefault;
 import com.netflix.spinnaker.kork.client.ServiceClientFactory;
+import com.netflix.spinnaker.kork.retrofit.exceptions.SpinnakerRetrofitErrorHandler;
 import com.netflix.spinnaker.retrofit.Slf4jRetrofitLogger;
 import retrofit.Endpoint;
 import retrofit.RequestInterceptor;
@@ -54,6 +55,7 @@ public <T> T create(Class<T> type, ServiceEndpoint serviceEndpoint, ObjectMapper
         .setRequestInterceptor(spinnakerRequestInterceptor)
         .setConverter(new JacksonConverter(objectMapper))
         .setEndpoint(endpoint)
+        .setErrorHandler(SpinnakerRetrofitErrorHandler.getInstance())
         .setClient(new Ok3Client(clientProvider.getClient(serviceEndpoint)))
         .setLogLevel(retrofitLogLevel)
         .setLog(new Slf4jRetrofitLogger(type))