Refatoring due to prh workflow

1. Added specified HttpClient for DmaaPPublisher:
*DmaaP Handle transfer-encoding: chunk header and
reject the request if it will be set by the client.
In conclusion no other reactive http client can be
used for pushing something to dmaap.

2. Added sll support to A&AI rective webclient.
*Behaviour of reactive A&AI HttpClient is different as
in native spring have without it.

3. Added 10s fixed time in PRH for requesting DmaaP.

4. Added debug log in reactive/native http clients.

5. Fixed reactive workflow of prh.

6. Updated the version of:
* spring-boot-dependencies:2.0.1.RELEASE->2.0.4.RELEASE
* spring-boot-starter-reactor-netty:2.0.2.RELEASE->2.0.4.RELEASE
* spring-webflux:5.0.5.RELEASE->5.0.8.RELEASE
* reactor-bom:Bismuth-RELEASE->Bismuth-SR10

Change-Id: I815ffb5bdcf48d94f3b7c64040a73e98e404a5e8
Issue-ID: DCAEGEN2-743
Signed-off-by: pwielebs <piotr.wielebski@nokia.com>

1 files changed, 23 insertions, 5 deletions

diff --git a/prh-aai-client/src/main/java/org/onap/dcaegen2/services/prh/service/AaiReactiveWebClient.java b/prh-aai-client/src/main/java/org/onap/dcaegen2/services/prh/service/AaiReactiveWebClient.java
index 6daf54a1..55dcb398 100644
--- a/prh-aai-client/src/main/java/org/onap/dcaegen2/services/prh/service/AaiReactiveWebClient.java
+++ b/prh-aai-client/src/main/java/org/onap/dcaegen2/services/prh/service/AaiReactiveWebClient.java
@@ -24,11 +24,18 @@ import static org.onap.dcaegen2.services.prh.model.logging.MDCVariables.RESPONSE
 import static org.onap.dcaegen2.services.prh.model.logging.MDCVariables.SERVICE_NAME;
 import static org.springframework.web.reactive.function.client.ExchangeFilterFunctions.basicAuthentication;
 
+import io.netty.handler.ssl.SslContext;
+import io.netty.handler.ssl.SslContextBuilder;
+import io.netty.handler.ssl.util.InsecureTrustManagerFactory;
+
 import java.util.Map;
+import javax.net.ssl.SSLException;
+
 import org.onap.dcaegen2.services.prh.config.AaiClientConfiguration;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.slf4j.MDC;
+import org.springframework.http.client.reactive.ReactorClientHttpConnector;
 import org.springframework.web.reactive.function.client.ExchangeFilterFunction;
 import org.springframework.web.reactive.function.client.WebClient;
 import reactor.core.publisher.Mono;
@@ -36,7 +43,7 @@ import reactor.core.publisher.Mono;
 
 public class AaiReactiveWebClient {
 
-    private Logger logger = LoggerFactory.getLogger(this.getClass());
+    private static final Logger LOGGER = LoggerFactory.getLogger(AaiReactiveWebClient.class);
 
     private String aaiUserName;
     private String aaiUserPassword;
@@ -60,8 +67,19 @@ public class AaiReactiveWebClient {
      *
      * @return WebClient
      */
-    public WebClient build() {
+    public WebClient build() throws SSLException {
+        SslContext sslContext;
+        sslContext = SslContextBuilder
+            .forClient()
+            .trustManager(InsecureTrustManagerFactory.INSTANCE)
+            .build();
+        LOGGER.debug("Setting ssl context");
+
         return WebClient.builder()
+            .clientConnector(new ReactorClientHttpConnector(clientOptions -> {
+                clientOptions.sslContext(sslContext);
+                clientOptions.disablePool();
+            }))
             .defaultHeaders(httpHeaders -> httpHeaders.setAll(aaiHeaders))
             .filter(basicAuthentication(aaiUserName, aaiUserPassword))
             .filter(logRequest())
@@ -72,9 +90,9 @@ public class AaiReactiveWebClient {
     private ExchangeFilterFunction logRequest() {
         return ExchangeFilterFunction.ofRequestProcessor(clientRequest -> {
             MDC.put(SERVICE_NAME, String.valueOf(clientRequest.url()));
-            logger.info("Request: {} {}", clientRequest.method(), clientRequest.url());
+            LOGGER.info("Request: {} {}", clientRequest.method(), clientRequest.url());
             clientRequest.headers()
-                .forEach((name, values) -> values.forEach(value -> logger.info("{}={}", name, value)));
+                .forEach((name, values) -> values.forEach(value -> LOGGER.info("{}={}", name, value)));
             return Mono.just(clientRequest);
         });
     }
@@ -82,7 +100,7 @@ public class AaiReactiveWebClient {
     private ExchangeFilterFunction logResponse() {
         return ExchangeFilterFunction.ofResponseProcessor(clientResponse -> {
             MDC.put(RESPONSE_CODE, String.valueOf(clientResponse.statusCode()));
-            logger.info("Response Status {}", clientResponse.statusCode());
+            LOGGER.info("Response Status {}", clientResponse.statusCode());
             return Mono.just(clientResponse);
         });
     }